SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 30 Sept./01 Oct. GMT TIME: 2000 0400 1200 SHIP'S POSITION: Gerlache Straits east of Brabant Island LAT: 64-39S 64-13S 64-13S LONG: 63-03W 61-51W 61-47W TEMPERATURE (C): -1 -1.6 -1 AIR PRESSURE (MB): 977 981 982 WIND SPEED (KN): 28-33 11-21 11-16 WIND DIRECTION: N NW N CLOUDS (%): OVCST PCL OVCST SEA STATE (M): 01.-0.5 0.1-0.5 0-0.1 SEA ICE: Grease and frazil ice predominate in the immediate visibile vicinity of the vessel. A few tabular icebergs in the area. FUEL ON BOARD (@ 0800): 435m3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 02 OCTOBER 1996 GMT TIME: 0000 0800 1600 SHIP'S POSITION: Gerlache Straits east of Brabant Island LAT: 64-15S SAME SAME LONG: 61-50W ---- ---- TEMPERATURE (C): -2 0 -2.6 AIR PRESSURE (MB): 978 986 995 WIND SPEED (KN): 7-10 11-16 4-6 WIND DIRECTION: NE NE VAR CLOUDS (%): OVCST/SNOW SAME PCL SEA STATE (M): 0 0-0.1 0 SEA ICE: Various combinations of frazil, grease, slush and light nilas as well as numerous tabular icebergs in the near vicinity of the ship. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 03 OCTOBER 1996 GMT TIME: 0000 0800 1600 SHIP'S POSITION: Gerlache Straits LAT: 64-05S SAME SAME LONG: 61-52W ---- ---- TEMPERATURE (C): -3.5 -4.2 -0.3 AIR PRESSURE (MB): 998 997 992 WIND SPEED (KN): CALM 17-21 11-21 WIND DIRECTION: ---- NNE NE CLOUDS (%): PCL OVCST/SNOW OVCST/SNOW SEA STATE (M): ---- 0-0.1 ---- SEA ICE: Grease, shuga and slush FUEL ON BOARD (@ 0800): 425m3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 02-03 OCTOBER 1996 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 45 59S 46 47.1S 47 51S 48 36.4S LONG: 175 55E 176 49.0E 178 04E 178 57.7E WEATHER: TEMPERATURE (C): 8.6 9 8.3 7.3 AIR PRESSURE (MB): 1010.1 1012.6 1012.2 1011.7 RELATIVE HUMIDITY (%): 95.8 85.3 84.5 93.8 WIND SPEED (KN): 20-25 10 10 10 WIND DIRECTION: S W WNW NW VISIBILITY (NM): 5-8 8-12 DARK 8-12 CLOUDS (%): 100 ST SC 75 ST SC DARK 50 ST SEA STATE: 4-5 4 4 4 SEA ICE: 0 0 0 0 ICE TOTAL (TENTHS): NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2 M/E F/A 2 M/E F/A 2 M/E F/A 2 M/E F/A FUEL ON BOARD (@ 0000): 391,723 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 03/04 October 1996 GMT TIME: 2000 0000 0800 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-11S 64-12S SAME SAME LONG: 61-53W 61-54W ---- ---- TEMPERATURE (C): -2 -2 -1 -2 AIR PRESSURE (MB): 989 986 984 978 WIND SPEED (KN): 17-27 22-33 11-16 11-16 WIND DIRECTION: NE NE N NE CLOUDS (%): OVCST/SNOW OVCST/SNOW OVCST/SNOW OVCST/FOG SEA STATE (M): ---- ---- ---- ---- SEA ICE: Grease ice predominates FUEL ON BOARD (@ 0800): 420m3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 03 OCT 04 OCT 04 OCT 04 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 49 34S 50 33.3S 51 31S 52 21.2S LONG: 179 52W 178 39.9W 177 27W 176 17.4W WEATHER: TEMPERATURE (C): 7.5 7.6 6.6 6.7 AIR PRESSURE (MB): 1009.2 1006.6 1007.1 1007.4 RELATIVE HUMIDITY (%): 90.3 90.9 81.3 81.1 WIND SPEED (KN): 8 20 20 20 WIND DIRECTION: WNW NW W W VISIBILITY (NM): 5-8 8-10 10 12 CLOUDS (%): 60 ST SC AC 60 AC SC 0 10 LS SEA STATE: 4 4 4-5 5 SEA ICE: 0 0 0 0 ICE TOTAL (TENTHS): NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2 ME F/A 2 ME F/A 2 ME F/A 2 ME F/A FUEL ON BOARD (@ 0000): 383,900 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 05/06 October 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-10S SAME SAME SAME LONG: 61-53W TEMPERATURE (C): -3.5 -3.1 -5.5 -1.3 AIR PRESSURE (MB): 968 968 966 970 WIND SPEED (KN): CALM CALM 1-6 CALM WIND DIRECTION: ---- ---- VARIOUS ---- CLOUDS (%): PCL PCL PCL PCL SEA STATE (M): ---- ---- ---- ---- SEA ICE: Pancake ice, 1m in diameter predominates in large patches up to several miles wide in the immediate vicinity of the ship. FUEL ON BOARD (@ 0800): 410 m3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 06/07 October 1996 GMT TIME: 2000 0000 0800 1200 SHIP'S POSITION: Gerlace Straits LAT: 64-07S SAME SAME SAME LONG: 61-53W TEMPERATURE (C): -4.5 -5.5 -5.2 -2.7 AIR PRESSURE (MB): 973 973 975 975 WIND SPEED (KN): CALM 4-6 11-16 11-16 WIND DIRECTION: ---- VARIOUS SE SE CLOUDS (%): PCL CLR CLR PCL SEA STATE (M): ---- ---- ---- ---- SEA ICE: Brash ice and bergy bits surround our area of open water. R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 06 OCT 07 OCT 07 OCT 07 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 58 29S 59 35.6S 60 46S 61 50.3S LONG: 171 21W 170 55.7W 170 06W 169 57.3W WEATHER: TEMPERATURE (C): 2.3 3.6 1.2 -2.98 AIR PRESSURE (MB): 1000.8 989.3 979.5 974.5 RELATIVE HUMIDITY (%): 68.8 79.5 88.6 84.2 WIND SPEED (KN): 37 45-50 35 40-55 WIND DIRECTION: NW NW W W VISIBILITY (NM): 8-10 6 1-3 3-5 CLOUDS (%): 80 ST CS AC 100 NS ST 100 ST 25 CS SEA STATE: 5-6 7-8 7-8 8 SEA ICE: 0 0 0 0 ICE TOTAL (TENTHS): NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2 ME 80% 4 ME 100 2 ME 80 2 ME 80 FUEL ON BOARD (@ 0000): 362,600 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 05 OCT 06 OCT 06 OCT 06 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 56 55S 57 46.6S 57 57S 58 06.7S LONG: 170 07W 170 05W 170 27W 171 02.1W WEATHER: TEMPERATURE (C): 5.5 4.5 -0.5 -0.6 AIR PRESSURE (MB): 985.3 980.1 995.0 1003.3 RELATIVE HUMIDITY (%): 93.8 71.1 58.8 56.9 WIND SPEED (KN): 40 45.6 50 18-22 WIND DIRECTION: NW W WSW SW VISIBILITY (NM): 2-4 RAIN 2-4 3-5 3-4 CLOUDS (%): 100 ST 50 CS 100 ST 100 NS SEA STATE: 6-7 8-9 8-9 8 SEA ICE: 0 0 0 0 ICE TOTAL (TENTHS): NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2 ME F/A 2 ME 50% 2 ME 40% 2 ME 40% FUEL ON BOARD (@ 0000): 370,600 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 04 OCT 05 OCT 05 OCT 05 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 53 17S 54 11.1S 55 06S 56 01.1S LONG: 175 09W 173 56.9W 172 41.0W 171 24.5W WEATHER: TEMPERATURE (C): 7.0 7.2 6.5 6.5 AIR PRESSURE (MB): 1006.5 1004.5 1001.0 993.8 RELATIVE HUMIDITY (%): 78.1 84.4 89.2 89.8 WIND SPEED (KN): 25 35 35 40 WIND DIRECTION: WNW WNW NW NW VISIBILITY (NM): 5-8 10 3-5 8 DARK CLOUDS (%): 100 ST 80 ST NS 100 ST 100 ST DARK SEA STATE: 5 6-7 6-7 8 SEA ICE: 0 0 0 0 ICE TOTAL (TENTHS): NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2 ME F/A 2 ME 1/B 80 2 ME F/A 2 ME F/A FUEL ON BOARD (@ 0000): 376,000 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 06 OCT 07 OCT 07 OCT 07 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 58 29S 59 35.6S 60 46S 61 50.3S LONG: 171 21W 170 55.7W 170 06W 169 57.3W WEATHER: TEMPERATURE (C): 2.3 3.6 1.2 -2.98 AIR PRESSURE (MB): 1000.8 989.3 979.5 974.5 RELATIVE HUMIDITY (%): 68.8 79.5 88.6 84.2 WIND SPEED (KN): 37 45-50 35 40-55 WIND DIRECTION: NW NW W W VISIBILITY (NM): 8-10 6 1-3 3-5 CLOUDS (%): 80 ST CS AC 100 NS ST 100 ST 25 CS SEA STATE: 5-6 7-8 7-8 8 SEA ICE: 0 0 0 0 ICE TOTAL (TENTHS): NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2 ME 80% 4 ME 100 2 ME 80 2 ME 80 FUEL ON BOARD (@ 0000): 362,600 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 07/08 October 1996 GMT TIME: 1600 0000 0800 1200 SHIP'S POSITION: Gerlache Straits LAT: 63-58S 64-10S 64-15S SAME LONG: 61-40W 61-51W 61-50W ---- TEMPERATURE (C): -7 -9 -6.5 -4.3 AIR PRESSURE (MB): 977 978 981 983 WIND SPEED (KN): 7-16 22-33 28-40 11-16 WIND DIRECTION: W S SSW SSW CLOUDS (%): PCL CLR CLR PCL SEA STATE (M): 0-0.1 ---- 0.5-1.25 0.1-0.5 SEA ICE: ICE TOTAL (TENTHS): 9/10 9/10 NONE NONE NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): 9/10 9/10 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 25 25 FUEL ON BOARD (@ 0800): 400 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 07 OCT 08 OCT 08 OCT 08 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 60 17S 63 12S 63 27S 63 24S LONG: 170 16W 170 41W 170 35W 170 37W WEATHER: TEMPERATURE (C): -6.6 -10.7 -10.2 -9.9 AIR PRESSURE (MB): 981.2 983.8 985.9 989.9 RELATIVE HUMIDITY (%): 76.2 75.3 70.7 68.5 WIND SPEED (KN): 30 15-20 30 26 WIND DIRECTION: SW S SW SW VISIBILITY (NM): 4-6 SNOW 6 6-8 6-8 CLOUDS (%): 100 ST 100 CS 100 ST 45 CS SEA STATE: 5-6 3 3 2 SEA ICE: 0 3 3 2 ICE TOTAL (TENTHS): NEW & GREY ICE: 2 3 2 GREY-WHITE: 1 1 1 THIN ICE (30-60): 1 MED ICE (60-120): 1 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: 0 0 0 ENGINES/PITCH: 2 ME 58% 2 ME F/A 2 ME 2 ME FUEL ON BOARD (@ 0000): 356,800 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 08/09 October 1996 GMT TIME: 2000 0000 0800 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-14S SAME SAME SAME LONG: 61-52W ---- ---- ---- TEMPERATURE (C): -7.4 -7.3 -4.6 -2.5 AIR PRESSURE (MB): 979 979 980 985 WIND SPEED (KN): 11-16 4-16 CALM 28-33 WIND DIRECTION: NE VARIOUS ---- SW CLOUDS (%): OVCST/SNOW CLR/SNOW OVCST/SNOW PCL SEA STATE (M): 0-0.1 ---- ---- ---- SEA ICE: Slush prevails in the near vicinity of the vessel. FUEL ON BOARD (@ 0800): 394 m3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 08 OCT 09 OCT 09 OCT 09 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 63 45S 64 09S 64 16S 64 48S LONG: 170 57W 171 33W 171 06S 172 25W WEATHER: TEMPERATURE (C): -9.8 -7.3 -3.2 -0.7 AIR PRESSURE (MB): 993.6 992.4 983.7 973.1 RELATIVE HUMIDITY (%): 72.5 75 90.8 97.1 WIND SPEED (KN): 15 15 17 24 WIND DIRECTION: WSW N N NNW VISIBILITY (NM): 10+ 12 1-3 SNOW 6 SNOW CLOUDS (%): 5 AC 100 ST 100 ST 100 ST SEA STATE: ICE ICE ICE ICE SEA ICE: 10 10 10 10 ICE TOTAL (TENTHS): NEW & GREY ICE: 1 GREY-WHITE: THIN ICE (30-60): 6 7 6 6 MED ICE (60-120): 3 2 3 3 THICK ICE (120-200): 1 1 1 OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 4-8 4-8 4-8 4-8 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME VAR 2 ME 1/B VAR 2 ME VAR 2 ME VAR FUEL ON BOARD (@ 0000): 354,200 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 09/10 October 1996 GMT TIME: 2000 0000 0800 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-14S SAME SAME SAME LONG: 61-51W TEMPERATURE (C): -4.2 -5.3 0 1.5 AIR PRESSURE (MB): 994 995 1002 1004 WIND SPEED (KN): 4-10 4-6 CALM CALM WIND DIRECTION: NE VARIOUS CLOUDS (%): CLR SNOW OVCST OVCST SEA STATE (M): ---- ---- ---- ---- SEA ICE: Grease and frazil ice with bergy bits and icebergs visible a few miles from the vessel. R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 09 OCT 10 OCT 10 OCT 10 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 65 19S 65 51S 66 17S 66 37S LONG: 172 58W 173 45W 173 54W 174 16W WEATHER: TEMPERATURE (C): -3.5 -7.9 -10.4 -11.0 AIR PRESSURE (MB): 970.7 976.6 981.2 omitted RELATIVE HUMIDITY (%): WIND SPEED (KN): 25 24 15 13 WIND DIRECTION: WNW SSW SSE NE VISIBILITY (NM): 4-6 6 10 10 DARK CLOUDS (%): 100 ST 95 ST 0 100 DARK SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10/10 10/10 9/10 9/10 NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): 7 7 6 2 MED ICE (60-120): 2 1 2 5 THICK ICE (120-200): 1 2 1 2 OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 15-20 15-20 15-20 15-20 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME VAR 2 ME VAR 2 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 346,000 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 12/13 October 1996 GMT TIME: 1600 0000 0800 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-15S SAME SAME SAME LONG: 61-47W TEMPERATURE (C): -3 -4 -6 -7 AIR PRESSURE (MB): 957 957 963 965 WIND SPEED (KN): CALM CALM 41-55 17-21 WIND DIRECTION: SSW SSW CLOUDS (%): PCL PCL PCL PCL SEA STATE (M): ---- 0-0.1 0.5-1.25 0.5-1.25 SEA ICE: Strong winds out of the south have blown out all brash ice. A few large bergy bits and icebergs remain in the area. R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 12 OCT 13 OCT 13 OCT 13 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 69 48S 70 10S 70 34S 70 53S LONG: 179 53W 179 43E 178 54E 178 07E WEATHER: TEMPERATURE (C): -12.1 -10.6 -10.3 -12.8 AIR PRESSURE (MB): 971.9 974.0 978.9 984.6 RELATIVE HUMIDITY (%): WIND SPEED (KN): 30 35 35 22 WIND DIRECTION: E ESE SE SE VISIBILITY (NM): 0-0.5 <1 10+ 10 CLOUDS (%): 100 ST 95 ST 100 ST 85 CS SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 10 10 NEW & GREY ICE: GREY-WHITE: 2 1 THIN ICE (30-60): 3 2 3 8 MED ICE (60-120): 5 5 6 1 THICK ICE (120-200): 2 1 1 OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 20 10-20 15-20 10 ICE PRESSURE: 0 0 0 MODERATE ENGINES/PITCH: 4 ME VAR 4 ME VAR 4 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 320,900 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 11 OCT 12 OCT 12 OCT 12 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 68 O5S 68 21S 68 42S 69 11S LONG: 177 17W 178 12W 178 18W 178 53W WEATHER: TEMPERATURE (C): -9.9 -9.7 -9.8 -11.5 AIR PRESSURE (MB): 983.9 982.9 978.2 972.9 RELATIVE HUMIDITY (%): WIND SPEED (KN): 5 18 24 22 WIND DIRECTION: N NE ENE E VISIBILITY (NM): 3-4 8 2 10 CLOUDS (%): 100 ST 100 ST 100 95 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 9 9 9 8 NEW & GREY ICE: 1 1 1 1 GREY-WHITE: 1 1 THIN ICE (30-60): 5 5 4 5 MED ICE (60-120): 2 2 2 1 THICK ICE (120-200): 1 1 1 OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 10 20 5-10 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 4 ME VAR 2 ME 4 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 329,400 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 10 OCT 11 OCT 11 OCT 11 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 67 01S 67 22S 67 36S 67 36S LONG: 174 21W 174 59W 175 46W 176 31W WEATHER: TEMPERATURE (C): -12.4 -8.5 -10.9 -16.8 AIR PRESSURE (MB): 977.2 975.8 979.0 982.5 RELATIVE HUMIDITY (%): WIND SPEED (KN): 12 13 10 7 WIND DIRECTION: E E SE NW VISIBILITY (NM): 10 10 10 10 CLOUDS (%): 90 SC ST 90 AC 20 AC CLEAR SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 10 10 NEW & GREY ICE: 1 1 2 1 GREY-WHITE: THIN ICE (30-60): 1 1 1 2 MED ICE (60-120): 5 5 5 5 THICK ICE (120-200): 2 3 2 1 OLD ICE 2 Yr. Plus: 1 SNOW DEPTH (CM): 20 20-30 20 20 ICE PRESSURE: MODERATE 0 0 0 ENGINES/PITCH: 4 ME VAR 4 ME VAR 4 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 337,600 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 13/14 OCTOBER 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-06S SAME SAME SAME LONG: 61-50W TEMPERATURE (C): -8.2 -9 -9.2 -7.3 AIR PRESSURE (MB): 967 967 967 967 WIND SPEED (KN): 11-21 7-16 7-10 4-10 WIND DIRECTION: SSW SSW SSW SE CLOUDS (%): PCL PCL PCL PCL SEA STATE (M): 0.1-0.5 0.1-0.5 0.1-0.5 ---- SEA ICE: Forming pancake ice ICE TOTAL (TENTHS): 6-7/10 FUEL ON BOARD (@ 0800): 367 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 13 OCT 14 OCT 14 OCT 14 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 71 07S 71 31S 71 51S 72 25S LONG: 176 52E 176 01E 175 18E 174 55E WEATHER: TEMPERATURE (C): -15.8 -14.3 -14.7 -14.3 AIR PRESSURE (MB): 989 989 985 983 RELATIVE HUMIDITY (%): WIND SPEED (KN): 20 17 15 8 WIND DIRECTION: ENE E E E VISIBILITY (NM): 10+ 10 8 8 CLOUDS (%): 100 ST 45 AC 90 ST SC 100 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 9 10 10 NEW & GREY ICE: GREY-WHITE: 2 1 1 THIN ICE (30-60): 8 6 8 8 MED ICE (60-120): 2 1 1 1 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 15-20 15-20 15-20 15-20 ICE PRESSURE: 0 0 0 moderate ENGINES/PITCH: 4 ME VAR 4 ME VAR 4 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 311,500 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 13 OCT 14 OCT 14 OCT 14 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 71 07S 71 31S 71 51S 72 25S LONG: 176 52E 176 01E 175 18E 174 55E WEATHER: TEMPERATURE (C): -15.8 -14.3 -14.7 -14.3 AIR PRESSURE (MB): 989 989 985 983 RELATIVE HUMIDITY (%): WIND SPEED (KN): 20 17 15 8 WIND DIRECTION: ENE E E E VISIBILITY (NM): 10+ 10 8 8 CLOUDS (%): 100 ST 45 AC 90 ST SC 100 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 9 10 10 NEW & GREY ICE: GREY-WHITE: 2 1 1 THIN ICE (30-60): 8 6 8 8 MED ICE (60-120): 2 1 1 1 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 15-20 15-20 15-20 15-20 ICE PRESSURE: 0 0 0 moderate ENGINES/PITCH: 4 ME VAR 4 ME VAR 4 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 311,500 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 14/15 OCTOBER 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-08S SAME SAME SAME LONG: 61-53W TEMPERATURE (C): -7 -7 -7.4 -6 AIR PRESSURE (MB): 971 975 978 982 WIND SPEED (KN): 11-21 7-16 4-10 CALM WIND DIRECTION: SSW SW ESE ---- CLOUDS (%): CLR CLR CLR OVCST SEA STATE (M): ---- ---- ---- ---- SEA ICE: Grease and frazil ice surrounding the vessel. FUEL ON BOARD (@ 0800): 361 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 14 OCT 15 OCT 15 OCT 15 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 72 44S 72 49S 72 45S 72 42S LONG: 174 33E 174 28E 174 25E 174 27E WEATHER: TEMPERATURE (C): -14.6 -16.0 -14.8 -16.7 AIR PRESSURE (MB): 977.6 976.6 976.3 979.2 RELATIVE HUMIDITY (%): WIND SPEED (KN): 17 18 45 40-45 WIND DIRECTION: SSE S SSW SW VISIBILITY (NM): 0.5 <1 SNOW <1/4 SNOW <1/4 CLOUDS (%): 100 ST 100 ST 100 ST 100 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 10 10 NEW & GREY ICE: 1 GREY-WHITE: 1 THIN ICE (30-60): 7 6 6 9 MED ICE (60-120): 2 3 3 1 THICK ICE (120-200): 1 OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 20 20 20 20-25 ICE PRESSURE: 0 moderate extreme extreme ENGINES/PITCH: 2 ME VAR 2 ME VAR 2 ME VAR 2 ME 0 FUEL ON BOARD (@ 0000): 302,700 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 15/16 OCTOBER 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-08S SAME SAME SAME LONG: 61-52W TEMPERATURE (C): -8 -6.5 -7 -5 AIR PRESSURE (MB): 987 987 985 977 WIND SPEED (KN): CALM 17-27 17-21 4-10 WIND DIRECTION: ---- NE NE VARIOUS CLOUDS (%): PCL PCL SNOW SNOW SEA STATE (M): ---- ---- ---- ---- SEA ICE: Grease ice and slush. FUEL ON BOARD (@ 0800): 355 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 16/17 October 1996 GMT TIME: 2030 0000 0800 1200 SHIP'S POSITION: Gerlache Straits enroute to Deception Island LAT: 64-01S 63-37S 63-00S DECEPTION IS. LONG: 61-43W 61-28W 60-20W ---- TEMPERATURE (C): -1 -2 -4 -3 AIR PRESSURE (MB): 978 977 977 978 WIND SPEED (KN): 11-21 28-40 17-27 22-27 WIND DIRECTION: NE NNE NE NE CLOUDS (%): OVCST OVCST OVCST/SNOW SNOW SEA STATE (M): 0.5-1.25 1.25-4.0 1.25-2.5 0-0.1 SEA ICE: ICE TOTAL (TENTHS): 6/10 NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): 6/10 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 20 FUEL ON BOARD (@ 0800): 349 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 18/19 October 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-13S SAME SAME SAME LONG: 61-54W TEMPERATURE (C): -5 -4.5 -5 -2 AIR PRESSURE (MB): 997 999 1000 1002 WIND SPEED (KN): 4-6 CALM 4-6 CALM WIND DIRECTION: VARIOUS ---- VARIOUS ---- CLOUDS (%): PCL OVCST OVCST OVCST SEA STATE (M): ---- ---- ---- ---- SEA ICE: Predominately large pancake ice, 3/10, snow depth 15-20 cm. R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 16 OCT 16 OCT 16 OCT 16 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 74 59S 75 34S 75 48S 76 26S LONG: 179 21E 179 34W 178 59W 178 06W WEATHER: TEMPERATURE (C): -25.5 -24.6 -20.2 -17.6 AIR PRESSURE (MB): 974.3 969.9 965.4 961.3 RELATIVE HUMIDITY (%): WIND SPEED (KN): 37 35 36 30 WIND DIRECTION: SSW SW SW WSW VISIBILITY (NM): 10+ 10 10 10 CLOUDS (%): CLEAR 10 SCT AS 30 AS ST 75 CS AS ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 9 10 NEW & GREY ICE: GREY-WHITE: 1 1 6 THIN ICE (30-60): 10 9 8 4 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 8-10 5-10 5-10 5-10 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 4 ME VAR 4 ME VAR 4 ME VAR 2 ME VAR FUEL ON BOARD (@ 0000): 284,400 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 17 OCT 18 OCT 18 OCT 18 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 30S 76 30S 76 29S 76 31S LONG: 177 56W 177 58W 177 52W 177 55W WEATHER: TEMPERATURE (C): -17.4 -16.1 -16.2 -18.4 AIR PRESSURE (MB): 962.2 965.2 968.0 971.2 RELATIVE HUMIDITY (%): WIND SPEED (KN): 33 24 20 12 WIND DIRECTION: W W WNW NNW VISIBILITY (NM): 10 10 10 10 CLOUDS (%): 20 ST SC 25 CS 40 CS 30 CS SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 9 10 NEW & GREY ICE: 3 4 GREY-WHITE: 2 5 5 5 THIN ICE (30-60): 8 5 1 1 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 10-15 3-5 5 5 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME 0 2 ME 10 4 ME VAR 2 ME 0 FUEL ON BOARD (@ 0000): 279,900 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 18 OCT 19 OCT 19 OCT 19 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 31S 76 31S 76 30S 76 35S LONG: 177 58W 178W 178W 178 17W WEATHER: TEMPERATURE (C): -15.5 -14.3 -14.6 -15.4 AIR PRESSURE (MB): 972.6 973.4 974.1 974.2 RELATIVE HUMIDITY (%): WIND SPEED (KN): 12 10 14 10 WIND DIRECTION: N NE NNE NE VISIBILITY (NM): 1-3 4-5 1-3 SNOW 3-4 SNOW CLOUDS (%): 100 ST 95 ST 100 ST 100 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 9 9 10 9 NEW & GREY ICE: 1 GREY-WHITE: 8 8 8 8 THIN ICE (30-60): 1 1 1 1 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 5-8 5 5 5 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME 0 2 ME 0 2 ME 0 2 ME 0 FUEL ON BOARD (@ 0000): 276,100 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT (RESUBMITTED) GMT DATE: 15 OCT 16 OCT 16 OCT 16 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 72 48S 73 09S 73 43S 74 20S LONG: 174 19E 176 31E 177 17E 178 28E WEATHER: TEMPERATURE (C): -19 -18 -20 -23 AIR PRESSURE (MB): 979.8 978.5 977.3 975.5 RELATIVE HUMIDITY (%): WIND SPEED (KN): 40 40-45 32-37 30-35 WIND DIRECTION: SW SW SSW SSW VISIBILITY (NM): 3/4 SNOW <1/4 SNOW 1 3 SNOW CLOUDS (%): 100 ST 100 ST 100 ST 25 CS SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 9 9 10 9 NEW & GREY ICE: GREY-WHITE: 7 1 THIN ICE (30-60): 6 2 8 8 MED ICE (60-120): 3 2 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 20-30 20-30 15-20 10-15 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 4 ME VAR 4 ME VAR 4 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 293,400 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 19/20 October 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-12S SAME SAME SAME LONG: 61-48W TEMPERATURE (C): -4 -5 -5.7 0 AIR PRESSURE (MB): 1001 1000 998 997 WIND SPEED (KN): 4-6 CALM CALM CALM WIND DIRECTION: VARIOUS CLOUDS (%): PCL PCL PCL PCL SEA STATE (M): ---- ---- ---- ---- SEA ICE: Pancake, bergy bits, 5/10. FUEL ON BOARD (@ 0800): 331 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 19 OCT 20 OCT 20 OCT 20 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 30S 76 30S 76 30S 76 30S LONG: 179 59E 179 44E 177 59E 177 40E WEATHER: TEMPERATURE (C): -16.1 -14.5 -15.1 -15.3 AIR PRESSURE (MB): 972.7 972.2 971.1 969.5 RELATIVE HUMIDITY (%): WIND SPEED (KN): 13 5 8 15 WIND DIRECTION: NNE NNE ENE ESE VISIBILITY (NM): 2 4-5 4-6 4-5 CLOUDS (%): 100 ST 95 ST 95 CS CT 95 ST SC SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 10 10 NEW & GREY ICE: 4 4 4 4 GREY-WHITE: 6 6 6 6 THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 5 5 5 2-3 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME VAR 2 ME VER 2 ME 10 2 ME FUEL ON BOARD (@ 0000): 271,300 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 20/21 October 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-14S SAME SAME SAME LONG: 61-50W TEMPERATURE (C): -2 -2.4 -2.4 -2 AIR PRESSURE (MB): 996 994 993 992 WIND SPEED (KN): CALM CALM 4-10 CALM WIND DIRECTION: ---- ---- SSW ---- CLOUDS (%): OVCST OVCST PCL PCL SEA STATE (M): ---- ---- ---- ---- SEA ICE: ICE TOTAL (TENTHS): 6/10 thin ice, 20cm snow depth, with bergy bits and icebergs R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 20 OCT 21 OCT 21 OCT 21 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 30S 76 26S 76 22S 76 28S LONG: 179 59E 175 53E 175 40E 174 14E WEATHER: TEMPERATURE (C): -14.4 -18.2 -18.9 -22.3 AIR PRESSURE (MB): 967.1 965.3 963.0 962.2 RELATIVE HUMIDITY (%): WIND SPEED (KN): 14 19 20 35 WIND DIRECTION: ESE S SSE S VISIBILITY (NM): 5 5-10 8 10 CLOUDS (%): 100 ST 50 ST SC 80 ST SC 50 SC SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 6 6 6 9 NEW & GREY ICE: 3 2 2 2 GREY-WHITE: 3 4 4 5 THIN ICE (30-60): 2 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 5 <5 <5 5-10 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME 2 ME 4 ME VAR 2 ME FUEL ON BOARD (@ 0000): 267,600 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 21 OCT 22 OCT 22 OCT 22 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 30S 76 29S 76 29S 76 30S LONG: 173 21E 171 59E 171 59E 170 06E WEATHER: TEMPERATURE (C): -22.5 -23.8 -20.3 -20.3 AIR PRESSURE (MB): 961.8 960.7 957.6 956.1 RELATIVE HUMIDITY (%): WIND SPEED (KN): 38 15 22 7 WIND DIRECTION: S S SSE SE VISIBILITY (NM): 4-6 8-10 SEA SMOKE 1-3 8-10 CLOUDS (%): 90 ST CS 25 CS ST 100 ST 50 ST CS SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 8 10 10 NEW & GREY ICE: 8 6 8 2 GREY-WHITE: 2 2 2 6 THIN ICE (30-60): 2 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): <5 <5 <5 <5 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME 2 ME 2 ME 2 ME FUEL ON BOARD (@ 0000): 263,300 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 15 OCT 16 OCT 16 OCT 16 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 72 48S 73 09S 73 43S 74 20S LONG: 174 19E 176 31E 177 17E 178 28E WEATHER: TEMPERATURE (C): -19 -18 -20 -23 AIR PRESSURE (MB): 979.8 978.5 977.3 975.5 RELATIVE HUMIDITY (%): WIND SPEED (KN): 40 40-45 32-37 30-35 WIND DIRECTION: SW SW SSW SSW VISIBILITY (NM): 3/4 SNOW <1/4 SNOW 1 3 SNOW CLOUDS (%): 100 ST 100 ST 100 ST 25 CS SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 9 9 10 9 NEW & GREY ICE: GREY-WHITE: 7 1 THIN ICE (30-60): 6 2 8 8 MED ICE (60-120): 3 2 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 20-30 20-30 15-20 10-15 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 4 ME VAR 4 ME VAR 4 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 293,400 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 15 OCT 16 OCT 16 OCT 16 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 72 48S 73 09S 73 43S 74 20S LONG: 174 19E 176 31E 177 17E 178 28E WEATHER: TEMPERATURE (C): -19 -18 -20 -23 AIR PRESSURE (MB): 979.8 978.5 977.3 975.5 RELATIVE HUMIDITY (%): WIND SPEED (KN): 40 40-45 32-37 30-35 WIND DIRECTION: SW SW SSW SSW VISIBILITY (NM): 3/4 SNOW <1/4 SNOW 1 3 SNOW CLOUDS (%): 100 ST 100 ST 100 ST 25 CS SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 9 9 10 9 NEW & GREY ICE: GREY-WHITE: 7 1 THIN ICE (30-60): 6 2 8 8 MED ICE (60-120): 3 2 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 20-30 20-30 15-20 10-15 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 4 ME VAR 4 ME VAR 4 ME VAR 4 ME VAR FUEL ON BOARD (@ 0000): 293,400 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 22 OCT 23 OCT 23 OCT 23 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 33S 76 34S 76 33S 76 33S LONG: 169 49E 169 05E 169 03E 169 03E WEATHER: TEMPERATURE (C): -20.6 -21.0 -20.0 -24.2 AIR PRESSURE (MB): 954.1 953.4 952.3 950.6 RELATIVE HUMIDITY (%): WIND SPEED (KN): 10 5 7 0 WIND DIRECTION: SSW NE NNE VAR VISIBILITY (NM): 10 5 10 12+ CLOUDS (%): 20 ST CS 25 CS 50 SC ST 45 ST SC SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 10 10 NEW & GREY ICE: 4 GREY-WHITE: 6 3 2 1 THIN ICE (30-60): 6 1 MED ICE (60-120): 1 8 8 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): <5 5-10 5 <5 ICE PRESSURE: 0 moderate moderate moderate ENGINES/PITCH: 2 ME VAR 2 ME 2 ME 10% 2 ME FUEL ON BOARD (@ 0000): 257,900 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 23/23 oCTOBER 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-11S LONG: 61-50W TEMPERATURE (C): -6 -6 -5.5 0 AIR PRESSURE (MB): 982 986 989 996 WIND SPEED (KN): 34-40 CALM CALM CALM WIND DIRECTION: SW CLOUDS (%): CLR CLR CLR CLR SEA STATE (M): ---- ---- ---- ---- SEA ICE: Open water within a few mile radius of the vessel. Large icebergs beyond this distance. FUEL ON BOARD (@ 0800): 319 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 23/24 October 1996 GMT TIME: 2000 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-07S SAME SAME SAME LONG: 61-52W TEMPERATURE (C): -3 -4 -3.7 -0.7 AIR PRESSURE (MB): 1000 1000 998 997 WIND SPEED (KN): 4-6 4-6 CALM CALM WIND DIRECTION: SE SE CLOUDS (%): CLR PCL OVCST OVCST SEA STATE (M): ---- ---- ---- ---- SEA ICE: Brash ice, 5/10 FUEL ON BOARD (@ 0800): 307 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 23 OCT 24 OCT 24 OCT 24 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 34S 76 34S 76 33S 76 32S LONG: 169 05E 169 08E 169 24E 169 42E WEATHER: TEMPERATURE (C): -26.1 -19.6 -20.8 -18.8 AIR PRESSURE (MB): 951.1 953.6 955.4 957.0 RELATIVE HUMIDITY (%): WIND SPEED (KN): 10 7 14 6 WIND DIRECTION: NNW S SSW N VISIBILITY (NM): 12+ 12+ 3-4 5-6 CLOUDS (%): 30 CS ST 20 CS ST 100 ST 75 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 10 10 NEW & GREY ICE: 1 GREY-WHITE: 3 3 3 9 THIN ICE (30-60): MED ICE (60-120): 3 3 3 THICK ICE (120-200): 4 4 4 OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 6-12 6-12 6-12 <3 ICE PRESSURE: moderate moderate moderate moderate ENGINES/PITCH: 2 ME 2 ME 4 ME 2 ME FUEL ON BOARD (@ 0000): 253,600 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 24 OCT 25 OCT 25 OCT 25 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 31S 76 32S 76 30S 76 30S LONG: 174 12E 176 22E 178 30E 178 59W WEATHER: TEMPERATURE (C): -17.8 -19.2 -20.1 -21.2 AIR PRESSURE (MB): 959.3 959.7 956.7 952.9 RELATIVE HUMIDITY (%): WIND SPEED (KN): 17 5 9 10 WIND DIRECTION: NE SSW SW W VISIBILITY (NM): 10 10-12 HAZE 4-6 6-8 CLOUDS (%): 60 CS ST SC 20 CU 100 ST 100 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 10 10 NEW & GREY ICE: 3 4 2 2 GREY-WHITE: 7 6 8 6 THIN ICE (30-60): 2 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): <5 <5 <5 <5 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME VAR 2 ME VAR 2 ME VAR 2 ME VAR FUEL ON BOARD (@ 0000): 247,800 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 24/25 October 1996 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Gerlache Straits LAT: 64-06S SAME SAME SAME LONG: 61-50W TEMPERATURE (C): -2.4 -2 -1.7 1 AIR PRESSURE (MB): 995 993 991 986 WIND SPEED (KN): CALM CALM 4-6 17-21 WIND DIRECTION: ---- ---- VARIOUS SSW CLOUDS (%): PCL CLR OVCST OVCST SEA STATE (M): ---- ---- ---- ---- SEA ICE: Brash ice. FUEL ON BOARD (@ 0800): 301 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 25/26 October 1996 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Gerlache Straits/Neumayer Channel LAT: 64-14S 64-32S 64-39S 64-50S LONG: 61-45W 62-27W 63-04W 63-30W TEMPERATURE (C): -0.2 -2.5 -3.1 0 AIR PRESSURE (MB): 988 995 998 998 WIND SPEED (KN): 28-33 28-40 22-33 11-16 WIND DIRECTION: SSW SW SW SW CLOUDS (%): PCL PCL PCL OVCST SEA STATE (M): 0.1-0.5 0.5-1.25 0.1-0.5 ---- SEA ICE: ICE TOTAL (TENTHS): 4/10 7/10 NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): 4/10 7/10 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: FUEL ON BOARD (@ 0800): 295 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 26 OCT 27 OCT 27 OCT 27 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 57S 77 35S 78 02S 77 59S LONG: 177 16W 176 31W 175 58W 175 54W WEATHER: TEMPERATURE (C): -17.4 -16.0 -29.8 -22.3 AIR PRESSURE (MB): 958.7 957.6 958.1 959.9 RELATIVE HUMIDITY (%): WIND SPEED (KN): 19 12 15 13 WIND DIRECTION: WSW WSW SSW S VISIBILITY (NM): 3-6 4-6 <0.5 0.5-3.0 CLOUDS (%): 90 ST 100 ST 100 ST FOG 100 ST FOG SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 9 10 9 8 NEW & GREY ICE: 5 6 9 8 GREY-WHITE: 4 4 THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 4 <3 <3 <3 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME VAR 2 ME VAR 2 ME 0 2 ME 0 FUEL ON BOARD (@ 0000): 238,300 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 25 OCT 26 OCT 26 OCT 26 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 31S 76 29S 76 27S 76 28S LONG: 177 53W 177 55W 177 56W 177 47W WEATHER: TEMPERATURE (C): -16.3 -19.3 -21.6 -20.2 AIR PRESSURE (MB): 949.4 951.6 955.7 957.7 RELATIVE HUMIDITY (%): WIND SPEED (KN): 10 11 17 16 WIND DIRECTION: S S SSW WSW VISIBILITY (NM): 10 12 5-6 6 CLOUDS (%): 0 50 CU 100 ST SC 95 ST SC SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 9 9 9 9 NEW & GREY ICE: 2 2 2 GREY-WHITE: 6 7 7 7 THIN ICE (30-60): 3 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): <5 <5 <5 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME 0 2 ME 0 2 ME O 4 ME VAR FUEL ON BOARD (@ 0000): 243,800 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 27 OCT 28 OCT 28 OCT 28 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 77 56S 77 52S 77 48S 77 32S LONG: 176 00W 175 53W 175 49W 176 10W WEATHER: TEMPERATURE (C): -30.9 -30.9 -22.7 -14.1 AIR PRESSURE (MB): 961.5 963.7 964.9 964.7 RELATIVE HUMIDITY (%): WIND SPEED (KN): 20 20-25 22 20 WIND DIRECTION: SSW S SSW SW VISIBILITY (NM): <1 <1 1-2 1-2 CLOUDS (%): 100 ST 100 ST 100 ST 100 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 8 9 9 10 NEW & GREY ICE: 6 8 7 6 GREY-WHITE: 2 1 2 4 THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): <3 <3 <3 <3 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME 0 2 ME 0 2 ME 0 2 ME VAR FUEL ON BOARD (@ 0000): R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 28 OCT 29 OCT 29 OCT 29 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 57S 76 29S 76 26S 76 29S LONG: 177 10W 177 57W 177 42W 177 43W WEATHER: TEMPERATURE (C): -12.9 -12.0 -12.3 -13.9 AIR PRESSURE (MB): 966.7 971.2 974.7 979.0 RELATIVE HUMIDITY (%): WIND SPEED (KN): 37 25 26 12 WIND DIRECTION: NNW SSW SW SW VISIBILITY (NM): 6-8 4-5 8 6 CLOUDS (%): 100 ST 100 ST 90 ST CS 100 ST SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 10 10 9 10 NEW & GREY ICE: 5 9 8 9 GREY-WHITE: 5 1 1 1 THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): <5 4-5 <5 5 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME VAR 2 ME 0 2 ME 0 4 ME VAR FUEL ON BOARD (@ 0000): (fuel omitted 27-28 OCT report: 234,700) 229,600 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 28/29 October 1996 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Enroute to COPA/Punta Arenas LAT: 63-58S 63-19S 62-41S 62-12S LONG: 61-42W 60-30W 59-12W 58-04W TEMPERATURE (C): -1.4 -0.5 0 +0.3 AIR PRESSURE (MB): 1000 1000 1002 1004 WIND SPEED (KN): 22-27 7-10 7-10 11-16 WIND DIRECTION: NE N N N CLOUDS (%): OVCST OVCST OVCST PCL SEA STATE (M): 1.2-2.5 0.5-1.2 0.5-1.2 1.2-2.5 SEA ICE: ICE TOTAL (TENTHS): 6/10 NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): 6/10 MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 20-40 ICE PRESSURE: Moderate R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 29 OCT 30 OCT 30 OCT 30 OCT GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 32S 76 30S 76 30S 76 31S LONG: 179 29W 179 13E 177 04E 175 55E WEATHER: TEMPERATURE (C): -12.4 -9.4 -9.9 -10.8 AIR PRESSURE (MB): 982.6 985.8 987.5 989.9 RELATIVE HUMIDITY (%): WIND SPEED (KN): 22 5-10 18 15 WIND DIRECTION: SSW ESE ENE E VISIBILITY (NM): 5-7 10-12 10+ 10 CLOUDS (%): 100 ST 25 AC 80 ST CS SC 85 ST CS SEA STATE: SEA ICE: ICE TOTAL (TENTHS): 9 10 10 9 NEW & GREY ICE: 9 7 7 9 GREY-WHITE: 3 3 THIN ICE (30-60): MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): 5 <10 <10 <5 ICE PRESSURE: 0 0 0 0 ENGINES/PITCH: 2 ME VAR 2 ME VAR 2 ME VAR 2 ME 0 FUEL ON BOARD (@ 0000): 224,200 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 29/30 October 1996 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Drake Passage LAT: 60-54S 60-09S 59-24S 57-57S LONG: 57-52W 58-35W 59-21W 60-35W TEMPERATURE (C): 0 -1 0.5 5 AIR PRESSURE (MB): 1007 1009 1012 1016 WIND SPEED (KN): 22-27 22-27 22-27 11-16 WIND DIRECTION: NW NW NW NW CLOUDS (%): OVCST OVCST OVCST FOG SEA STATE (M): 1.2-2.5 1.2-2.5 1.2-2.5 1.2-2.5 FUEL ON BOARD (@ 0800): 265 M3