SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 05 January 1997 GMT TIME: 0800 1200 1600 SHIP'S POSITION: Southbound along the west coast of Tierra del Fuego LAT: 52-35S 53-13S 53-43S LONG: 68-24W 67-31W 66-54W TEMPERATURE (C): 7.2 10.1 9 AIR PRESSURE (MB): 983 982 984 WIND SPEED (KN): 35 40 40 WIND DIRECTION: NW NW W CLOUDS (%): OVCST PCL OVCST SEA STATE (M): 1.0-1.5 1.5-2.0 1.0-1.5 SEA ICE: NONE SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 06 January 1997 GMT TIME: 0000 0800 1600 SHIP'S POSITION: One-third across the Drake LAT: 54-43S 56-06S 57-34S LONG: 65-00W 64-42W 64-10W TEMPERATURE (C): 3.7 5.4 5.1 AIR PRESSURE (MB): 987 984 978 WIND SPEED (KN): 7-10 17-21 11-16 WIND DIRECTION: SW W W CLOUDS (%): PCL PCL PCL SEA STATE (M): 1-2 1-2 1-2 SEA ICE: NONE FUEL ON BOARD (@ 0800): 520 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 01 Jan '97 02 JAN 02 JAN 02 JAN GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76-22S 76-00S 76-00S 76-00S LONG: 168-03E 168-04E 171-00E 172-59E WEATHER: TEMPERATURE (C): 0.0 -1.0 0.2 -2.0 AIR PRESSURE (MB): 989.2 989.2 988.7 988.1 RELATIVE HUMIDITY (%): 89.7 80.8 85.7 69.2 WIND SPEED (KN): CALM 5-6 15-17 8-9 WIND DIRECTION (DEG): - 227 110 164 SALINITY (PPM): SEA SURFACE TEMP (C): VISIBILITY (NM): 10 10 10 10 CLOUDS (%): 30 Sc,St,Ac NONE 60 Sc 40Sc SEA STATE (BEAUFORT): - - 3 3 SEA ICE: ICE TOTAL (TENTHS): 9 0 0 0 NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): 3 MED ICE (60-120): 4 THICK ICE (120-200): 2 OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2M/E;Var 2M/E; FULL STATION STA; 2 THRUSTERS FUEL ON BOARD (@ 0000): 272,700 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 03 Jan '97 04 JAN 04 JAN 04 JAN GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 75-30S 75-10S 75-00S 75-00S LONG: 171-45E 170-37E 169-30E 167-17E WEATHER: TEMPERATURE (C): -0.9 1.8 1.8 -0.5 AIR PRESSURE (MB): 985.2 985.7 986.0 985.7 RELATIVE HUMIDITY (%): 72.7 71.5 63.8 77.0 WIND SPEED (KN): - 11 10-13 14-15 WIND DIRECTION (DEG): 225 248.4 270 265 SALINITY (PPM): SEA SURFACE TEMP (C): VISIBILITY (NM): 10 10 10 10 CLOUDS (%): 90 Sc - - - SEA STATE (BEAUFORT): 4 3 3 - SEA ICE: ICE TOTAL (TENTHS): 0 0 0 5 NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): 2 MED ICE (60-120): 3 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2M/E,F/A 2M/E,F/A STA STA;THRUSTERS FUEL ON BOARD (@ 0000): 262,500 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 05 Jan '97 06 JAN 06 JAN 06 JAN GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 74-28S 74-10S 74-09S 74-27S LONG: 167-22E 167-44E 170-04E 172-08E WEATHER: TEMPERATURE (C): -0.2 0.7 2.2 1.0 AIR PRESSURE (MB): 989.6 980.8 991.0 990.9 RELATIVE HUMIDITY (%): 73.5 78.5 78.4 62.8 WIND SPEED (KN): 8-10 - - 6-9 WIND DIRECTION (DEG): 030 - - 090.5 SALINITY (PPM): SEA SURFACE TEMP (C): VISIBILITY (NM): 10 10 - - CLOUDS (%): 30 Sc 40 Sc 20Sc 30Sc SEA STATE (BEAUFORT): - - - 1 SEA ICE: ICE TOTAL (TENTHS): 4 7 0 0 NEW & GREY ICE: GREY-WHITE: THIN ICE (30-60): 2 3 MED ICE (60-120): 2 4 THICK ICE (120-200): 2 10 OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 2M/E,VAR STA STA 2M/E,F/A FUEL ON BOARD (@ 0000): 252,400 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 02 Jan '97 03 JAN 03 JAN 03 JAN GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76-00S 75-38S 75-30S 75-36S LONG: 175-22E 178-00E 176-13E 174-50E WEATHER: TEMPERATURE (C): -2.0 -1.1 -1.3 -0.9 AIR PRESSURE (MB): 986.3 984.1 985.3 984.9 RELATIVE HUMIDITY (%): 78.1 81.9 72.5 76.9 WIND SPEED (KN): 10-19 17-20 19-21 20-21 WIND DIRECTION (DEG): 180 140 165 181 SALINITY (PPM): SEA SURFACE TEMP (C): VISIBILITY (NM): 10 10 10 10 CLOUDS (%): 100 Sc 100 Sc 90 Sc 90Sc SEA STATE (BEAUFORT): 3 3 4 4 SEA ICE: ICE TOTAL (TENTHS): 0 0 0 0 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: 2M/E,F/A 2M/E,F/A 2M/E,F/A PM/E,VAR FUEL ON BOARD (@ 0000): 267,000 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 07 January 1997 GMT TIME: 0400 1200 SHIP'S POSITION: LAT: 59-49S 61-28S LONG: 63-46W 64-06W TEMPERATURE (C): 1.5 5.7 AIR PRESSURE (MB): 984 984 WIND SPEED (KN): 4-6 1-3 WIND DIRECTION: N N CLOUDS (%): PCL PCL SEA STATE (M): 1.0 1.0 SEA ICE: NONE FUEL ON BOARD (@ 0800): 508 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 08 January 1997 GMT TIME: 0000 0800 SHIP'S POSITION: Hugo Island to Palmer Station LAT: 63-58S 64-56S LONG: 65-12W 65-15W TEMPERATURE (C): 0.5 1.4 AIR PRESSURE (MB): 984 984 WIND SPEED (KN): 11-16 22-27 WIND DIRECTION: NE NW CLOUDS (%): OVCST OVCST SEA STATE (M): 1 1-2 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 497 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 06 Jan '97 07 JAN 07 JAN 07 JAN GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 75-19S 76-12S 77-00S 77-09S LONG: 173-40E 174-26E 172-00E 168-47E WEATHER: TEMPERATURE (C): 1.0 0.7 -1.9 -2.1 AIR PRESSURE (MB): 990.0 989.3 987.1 985.1 RELATIVE HUMIDITY (%): 62.5 69.9 78.6 89.6 WIND SPEED (KN): 4-6 - - 15-20 WIND DIRECTION (DEG): 090 - - 125.0 SALINITY (PPM): SEA SURFACE TEMP (C): VISIBILITY (NM): 10 10 10 10 CLOUDS (%): 30 Sc,Hc,Cb 100 Sc 100Sc 100Sc SEA STATE (BEAUFORT): 1 - - 1 SEA ICE: ICE TOTAL (TENTHS): 0 0 Polynya Polynya 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: 2M/E,F/A 2M/E,F/A STA 2M/E,F/A FUEL ON BOARD (@ 0000): 247,400 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 11 January 1997 GMT TIME: 0000 0800 1500 SHIP'S POSITION: Palmer Station/LTER Nearshore grid stations B-J LAT: LONG: TEMPERATURE (C): 4 3.6 3.9 AIR PRESSURE (MB): 978 980 981 WIND SPEED (KN): CALM 22-27 17-21 WIND DIRECTION: ---- N NE CLOUDS (%): PCL OVCST OVCST SEA STATE (M): CALM CALM 0.1-0.5 SEA ICE: Scattered brash ICE TOTAL (TENTHS): 1/10 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: FUEL ON BOARD (@ 0800): 489 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 12 January 1997 GMT TIME 0000 0400 1200 SHIP'S POSITION: 500 LTER grid, heading offshore LAT: 65-02S 65-23S 65-22S LONG: 64-51W 65-58W 66-27W TEMPERATURE (C): 2.0 1.0 1.4 AIR PRESSURE (MB): 982 982 981 WIND SPEED (KN): 11-21 22-27 17-21 WIND DIRECTION: N NNE NE CLOUDS (%): FOG FOG FOG SEA STATE (M): 3-6 1-4 1-4 SEA ICE: 14 Icebergs within a 9 mile radius of the vessel. 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: FUEL ON BOARD (@ 0800): 483 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 12/13 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: 500 LTER Grid, west of Palmer Station LAT: 65-20S 65-07S 65-00S 64-46S LONG: 66-33W 67-05W 67-24W 67-57W TEMPERATURE (C): 2 0.8 0.6 4.2 AIR PRESSURE (MB): 983 985 987 990 WIND SPEED (KN): 17-21 11-21 11-21 7-10 WIND DIRECTION: NE NE NNE NNW CLOUDS (%): FOG FOG FOG PCL SEA STATE (M): 1-2.5 0.5-1.0 0.5-1.0 0.5-1.0 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 478 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 13/14 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Bellinghausen Sea LAT: 64-46S 64-32S 64-20S 64-08S LONG: 68-01W 68-28W 68-48W 68-25W TEMPERATURE (C): 5.6 1.8 2.7 1.5 AIR PRESSURE (MB): 994 985 989 982 WIND SPEED (KN): 7-16 17-21 41-47 41-47 WIND DIRECTION: NNE NE NE NE CLOUDS (%): PCL OVCST OVCST FOG SEA STATE (M): 0.5-1.0 1.0-2.5 2.5-4 4-6 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 473 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 14/15 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Bellinghausen Sea LAT: 64-03S 64-14S 64-25S 64-53S LONG: 68-10W 67-43W 67-14W 66-08W TEMPERATURE (C): 2.4 2.0 1.4 6.9 AIR PRESSURE (MB): 981 986 990 995 WIND SPEED (KN): 22-27 11-16 17-21 11-16 WIND DIRECTION: NE N NNW NNE CLOUDS (%): FOG FOG OVCST OVCST SEA STATE (M): 4-6 1-2.5 1-2.5 0.5-1.0 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 467.5 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 13-14 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 30.0'S 76 31.0'S 76 30.0'S 76 28.7'S LONG: 169 00.7'E 168 57.6'E 169 04.8'E 169 03.4'E WEATHER: TEMPERATURE (C): -2.3 -1.44 -1.74 -2.33 AIR PRESSURE (MB): 992.7 992.0 990.5 988.7 RELATIVE HUMIDITY (%): N.D. 60.0 69.8 77.81 WIND SPEED (KN): 5-6 light 6-8 15.0 WIND DIRECTION (DEG): 180 var 240 262 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 unrestr 10 unrestr CLOUDS (%): 70/Sc,Cu 100/Sc 90/Sc,Cu 100/Sc SEA STATE: 2 2 2 3 SEA ICE: polynya polynya polynya polynya 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: on station on station on station on station 2 Mains 2 declutched, 2 Mains 2 idle declutched, Bow/Stern declutched, 750 RPMs, thrusters, Bow/Stern 2 thrusters thrusters on line FUEL ON BOARD (@ 0000): 366,600 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 15/16 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: 100 miles west of Palmer Station LAT: 65-05S 65-30S 64-56S 64-47S LONG: 63-36W 64-29W 64-25W 64-44W TEMPERATURE (C): 3.8 1.1 1.7 0.6 AIR PRESSURE (MB): 996 994 988 986 WIND SPEED (KN): 22-27 4-6 17-21 11-16 WIND DIRECTION: NE NNE E SW CLOUDS (%): RAIN PCL OVCST RAIN SEA STATE (M): 1-2.5 0.5 1 1 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 462 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 14-15 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 30.0'S 76 30.5'S 76 30.0'S 76 30.1'S LONG: 169 02.8'E 169 02.2'E 169 58.0'E 172 00.4'E WEATHER: TEMPERATURE (C): +0.35 +2.38 -1.4 -5.4 AIR PRESSURE (MB): 996.8 986.9 988.1 989.7 RELATIVE HUMIDITY (%): 66.9 60.25 77.1 88.1 WIND SPEED (KN): 18 10.49 14-16 22.01 WIND DIRECTION (DEG): 260 358.6 140 148.9 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 unrestr 10 6-8 CLOUDS (%): 50/Sc/Cu 60/Sc 100/Sc 100/Sc SEA STATE: 3 3-4 4 4-5 SEA ICE: ICE TOTAL (TENTHS): polynya polynya polynya polynya 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: on station 2/50% on station on station PME on line 2 thrusters 2 M/E idle, 900RPM, on line, 2 ME bow & stern 2 thrusters declutched thrusters FUEL ON BOARD (@ 0000): 363,600 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 16/17 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: 75 nm west of Palmer Station LAT: 64-42S 64-27S 64-25S 64-12S LONG: 65-04W 65-42W 65-40W 66-16W TEMPERATURE (C): 2 0.6 -0.3 -0.4 AIR PRESSURE (MB): 987 995 997 999 WIND SPEED (KN): 17-27 22-27 22-27 11-16 WIND DIRECTION: SW WSW WSW SW SEA STATE (M): 0.5-1 1-2.5 1-2.5 0.5-1 CLOUDS: OVCST OVCST OVCST OVCST SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 456.5 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 15-16 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 29.45'S 76 30.2'S 76 29.9S 76 35.3'S LONG: 171 59.3E 171 54.5' 173 59.7'E 173 59.5'E WEATHER: TEMPERATURE (C): -5.5 -7.11 -7.5 -4.17 AIR PRESSURE (MB): 991.3 N.D. 992.8 993.2 RELATIVE HUMIDITY (%): 84.7 80.31 82.7 84.16 WIND SPEED (KN): 16 17.82 11-13 11.43 WIND DIRECTION (DEG): 155 174 183 158 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 8 8 10 8 CLOUDS (%): 90/Sc 100/Sc 100/Sc 100/Sc SEA STATE: 4 4 4 3 SEA ICE: ICE TOTAL (TENTHS): numerous numerous polynya polynya bergs, bits bergs, bits & growlers & growlers 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 de- on station, on station, on station, clutched, 2 M/E idle, 2 M/E de- 2 M/E de- 2 thrusters Bow & stern clutched, clutched on line thrusters 2 thrusters and idle, on line bow & stern thrust. O/L FUEL ON BOARD (@ 0000): 360,400 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 17/18 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Sediment trap site north of Hugo Island LAT: 64-07S 63-57S 63-43S 64-30S LONG: 66-30W 66-50W 67-27W 66-02W TEMPERATURE (C): -0.2 0.1 -1.3 0.5 AIR PRESSURE (MB): 1000 995 1007 1009 WIND SPEED (KN): 17-21 11-16 7-10 7-10 WIND DIRECTION: SW SW SW SW CLOUDS (%): OVCST FOG FOG OVCST SEA STATE (M): 1 1 1 1 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 450.5 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 16-17 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 28.95'S 76 29.0'S 76 30.1'S 76 29.6'S LONG: 175 59.9'E 176 .050'E 176 01.0'E 175 59.5'E WEATHER: TEMPERATURE (C): -5.1 -4.48 -3.8 -5.56 AIR PRESSURE (MB): 933.3 933.77 994.7 995.8 RELATIVE HUMIDITY (%): 85.8 89.05 77.8 86.71 WIND SPEED (KN): 16 10.41 14 11.38 WIND DIRECTION (DEG): 187 184.7 170 194.3 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 8 10 N.D. CLOUDS (%): 100/Sc 100/Sc 80/Sc/Cu 90/Sc SEA STATE: 4 4 4 4 SEA ICE: ICE TOTAL (TENTHS): polynya polynya polynya polynya 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 de- towing Moch, on station, towing Moch, clutched, Bow & stern 2 thrusters 2 I/B M/E 750 RPM thrusters @ on line 2 25%. 25% pitch and idle, bow & stern thrusters FUEL ON BOARD (@ 0000): 356,300 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 17-18 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 29.9'S 76 28.7'S 76 28.8'S 76 29.7'S LONG: 175 59.8'E 175 59.8'E 176 06.3'E 177 45.8'E WEATHER: TEMPERATURE (C): -5.5 -2.2 -0.3 -1.7 AIR PRESSURE (MB): 996.4 996.9 996.1 996.99 RELATIVE HUMIDITY (%): 88.9 71.42 72.0 78.45 WIND SPEED (KN): 12.14 13.59 10-14 7.31 WIND DIRECTION (DEG): 220 224.1 225 228.9 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 10 10 unrestr CLOUDS (%): 70/Sc/Cu 10/Sc/Ci 20/Sc/Cu 25/Sc/Ci SEA STATE: N.D. 4 N.D. 4 SEA ICE: ICE TOTAL (TENTHS): polynya polynya polynya polynya 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: On station, towing Moch, on station, 2 F/A 2 M/E de- 2 M/E @25%, 2 M/E de- clutched, Bow & stern clutched, 2 thrusters thrusters on line FUEL ON BOARD (@ 0000): 352,800 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 18/19 January 1997 GMT TIME: 1600 0000 1200 SHIP'S POSITION: Palmer Basin LAT: 64-35S 64-55S 64-49S LONG: 65-40W 64-07W 64-02W TEMPERATURE (C): 1.4 1.5 3.2 AIR PRESSURE (MB): 1009 1009 1002 WIND SPEED (KN): 7-10 CALM CALM WIND DIRECTION: SW ---- ---- CLOUDS (%): OVSCT OVCST PCL SEA STATE (M): 1 0.5 0.5 SEA ICE: SCATTERED BRASH AND SMALL FLOES 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: FUEL ON BOARD (@ 0800): 444.5 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 19/20 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Palmer Basin LAT: 64-46S 64-48S 64-51S 64-51S LONG: 64-08W 64-04W 63-54W 64-07W TEMPERATURE (C): 1.8 1.7 1.9 3.2 AIR PRESSURE (MB): 1004 1000 1000 1000 WIND SPEED (KN): 4-6 22-27 22-27 7-10 WIND DIRECTION: SW ESE E E CLOUDS (%): PCL OVCST RAIN OVCST SEA STATE (M): 0.5 1 0.5 0.5 SEA ICE: SCATTERED BRASH AND SMALL FLOES. DISTANT LARGE BERGS 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: FUEL ON BOARD (@ 0800): 439.5 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 18-19 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 29.25'S 76 30.1'S 76 30'S 76 30.6'S LONG: 178 0.8'E 179 59.6'W 178 11'W 178 01.4'W WEATHER: TEMPERATURE (C): -1.5 +0.2 -0.7 -1.6 AIR PRESSURE (MB): 996.6 996.9 995.9 N.D. RELATIVE HUMIDITY (%): 75.3 69.02 74.7 70.25 WIND SPEED (KN): 4-5 1.59 4-7 4.28 WIND DIRECTION (DEG): 220 326.5 358 005.08 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 8 10 10 CLOUDS (%): 10/Cs/Sc 95/Sc 90/Sc 100/Sc SEA STATE: 1 1 1 1 SEA ICE: ICE TOTAL (TENTHS): polynya polynya polynya polynya 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: On station, towing Moc, On station, On station, 2 M/E de- 2 @ 20% 2 M/E all pump cast clutched, pitch and full, in water, 2 thrusters 900 rpm 2 Declutched on line and idle. Bow & stern thrusters FUEL ON BOARD (@ 0000): 349,600 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 19 - 20 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 29.7'S 76 30.2'S 76 30.7'S 76 30.1'S LONG: 178 02.1'W 178 00.9'W 177 58.3'W 178 05.1'W WEATHER: TEMPERATURE (C): -0.1 +2.0 -0.77 -1.18 AIR PRESSURE (MB): 995.2 994.8 993.1 991.4 RELATIVE HUMIDITY (%): 72.3 60.43 80.2 84.39 WIND SPEED (KN): calm 1.49 10 13.72 WIND DIRECTION (DEG): calm 65.7 105 97.9 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 10 10 6 CLOUDS (%): 100/Sc 100/Sc 100/Sc 100/Sc SEA STATE: 0 0 1 3 SEA ICE: ICE TOTAL (TENTHS): polynya polynya polynya polynya 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: On station, On station, On station, On station, M/E de- M/E de- 2 M/E O/L M/E de- clutched, clutched 900 rpm clutched 2 thrusters and idle, and idle, on line Bow and stern Bow and stern thrusters thrusters FUEL ON BOARD (@ 0000): 345,400 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 20/21 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: Palmer Basin LAT: 64-50S 64-49S 64-52S 64-53S LONG: 64-12W 63-58W 64-10W 64-10W TEMPERATURE (C): 3.8 3.0 1.9 2.4 AIR PRESSURE (MB): 995 990 987 978 WIND SPEED (KN): 4-6 CALM 28-33 41-55 WIND DIRECTION: W ---- E E CLOUDS (%): OVCST OVCST RAIN OVCST SEA STATE (M): 0.5 0.5 1.0 1.0 SEA ICE: SCATTERED BERGS 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: FUEL ON BOARD (@ 0800): 434.5 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 21/22 January 1997 GMT TIME: 1600 0000 0800 SHIP'S POSITION: Palmer Basin LAT: 64-57S 64-56S 64-46S LONG: 64-13W 64-09W 64-04W TEMPERATURE (C): 4.0 1.3 4.1 AIR PRESSURE (MB): 978 990 997 WIND SPEED (KN): 11-16 11-16 1-3 WIND DIRECTION: E W SE CLOUDS (%): OVCST OVCST PCL SEA STATE (M): 1 1 0 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 429.5 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 20 - 21 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 29.9'S 76 30.9'S 77 14.3'S 78 02.5'S LONG: 177 59.7'W 178 46.1'W 177 04.0'W 176 01.7'W WEATHER: TEMPERATURE (C): -0.37 -1.87 -4.04 -7.66 AIR PRESSURE (MB): 989.39 989.6 990.83 991.7 RELATIVE HUMIDITY (%): 81.29 80.69 88.87 89.32 WIND SPEED (KN): 21 17.88 21.62 8.93 WIND DIRECTION (DEG): 125 149.3 169.5 182.4 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 8 10 4-6 CLOUDS (%): 100/Sc 100/Sc 100/Sc 100/Sc SEA STATE: 3 4 4 3 SEA ICE: ICE TOTAL (TENTHS): polynya polynya polynya polynya NEW & GREY ICE: Ross Ice GREY-WHITE: shelf THIN ICE (30-60): bergie bits & MED ICE (60-120): brash <1/10 THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 1800: On station, 2 M/E declutched, 2 thrusters O/L 0000: Recovering array, 2 M/E declutched, bow and stern thrusters 0600: 2 ib. ME O/L, all and full 900 rpms 1200: On station along side the Ross ice shelf, 2 declutched and idle, bow and stern thrusters O/L FUEL ON BOARD (@ 0000): 342,600 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 21 - 22 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 78 03.0'S 78 01.3'S 78 01.5'S 77 32.2'S LONG: 176 03.9'W 176 10.2'W 176 07.1'W 179 01.2'W WEATHER: TEMPERATURE (C): -7.24 -3.89 -3.48 -3.84 AIR PRESSURE (MB): 992.22 992.9 993.69 996.32 RELATIVE HUMIDITY (%): 91.28 82.93 85.76 82.18 WIND SPEED (KNOTS): 9.62 11.95 9.38 14.06 WIND DIRECTION (DEG): 238.1 224.8 258.9 207.9 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 4-6 6 8 8 CLOUDS (%): 100/Sc 100/Sc 100/Sc 100/Sc SEA STATE: 1 2-3 1 3 SEA ICE: ICE TOTAL (TENTHS): ice shelf ice shelf ice shelf in polynya, bergs, bits, bergs, bits, bergs, bits, few growlers growlers, growlers, growlers, in area brash brash brash 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: 1800: 2 M/E declutched, 2 thrusters O/L 0000: on station, U/W to shelf, 4 M/E F/D, bow and stern thrusters 0600: 2 ME O/L, 900 rpms 1200: 2 F/A FUEL ON BOARD (@ 0000): 337,000 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 21 - 22 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 78 03.0'S 78 01.3'S 78 01.5'S 77 32.2'S LONG: 176 03.9'W 176 10.2'W 176 07.1'W 179 01.2'W WEATHER: TEMPERATURE (C): -7.24 -3.89 -3.48 -3.84 AIR PRESSURE (MB): 992.22 992.9 993.69 996.32 RELATIVE HUMIDITY (%): 91.28 82.93 85.76 82.18 WIND SPEED (KNOTS): 9.62 11.95 9.38 14.06 WIND DIRECTION (DEG): 238.1 224.8 258.9 207.9 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 4-6 6 8 8 CLOUDS (%): 100/Sc 100/Sc 100/Sc 100/Sc SEA STATE: 1 2-3 1 3 SEA ICE: ICE TOTAL (TENTHS): ice shelf ice shelf ice shelf in polynya, bergs, bits, bergs, bits, bergs, bits, few growlers growlers, growlers, growlers, in area brash brash brash 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: 1800: 2 M/E declutched, 2 thrusters O/L 0000: on station, U/W to shelf, 4 M/E F/D, bow and stern thrusters 0600: 2 ME O/L, 900 rpms 1200: 2 F/A FUEL ON BOARD (@ 0000): 337,000 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 23 - 24 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 74 54.2'S 74 00.3'S 74 00.2'S 74 02.1'S LONG: 176 41.1'E 176 57.8'E 176 58.9'E 176 59.3'E WEATHER: TEMPERATURE (C): -1.49 -0.61 -0.66 -1.65 AIR PRESSURE (MB): 996.41 994.65 993.45 992.78 RELATIVE HUMIDITY (%): 75.89 75.01 70.47 84.42 WIND SPEED (KNOTS): 9.92 15.19 18.42 14.68 WIND DIRECTION (DEG): 179.7 172.8 165.5 174.6 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 10 10 1 CLOUDS (%): 100/Sc 95/Sc 100/Sc 100/St SEA STATE: 3 4 4 4 SEA ICE: ICE TOTAL (TENTHS): in polynya, in polynya in polynya in polynya 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: 1800: 2 I/B M/E F/A, 900 rpms 0000: on station, 2 M/E var., bow and stern thrusters 0600: on station, 2 M/E declutched, 2 thrusters O/L 1200: on station, 2 var.,bow and stern thrusters FUEL ON BOARD (@ 0000): 328,000 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 26/27 January 1997 GMT TIME: 1600 0000 0400 1400 SHIP'S POSITION: LAT: 64-57S 65-30S 66-02S 66-00S LONG: 64-48W 66-21W 67-02W 67-59W TEMPERATURE (C): 2 0.7 0.1 4.6 AIR PRESSURE (MB): 988 987 988 987 WIND SPEED (KN): 11-16 11-16 11-16 11-16 WIND DIRECTION: NE NE NE S CLOUDS (%): OVCST FOG OVCST OVCST SEA STATE (M): 1 1 1 1 SEA ICE: 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: FUEL ON BOARD (@ 0800): 405 m3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 26 - 27 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 74 51.6'S 75 29.5'S 76 03.7'S 76 30.2'S LONG: 179 32.4'W 176 28.4'E 172 19.0'E 168 59.3'E WEATHER: TEMPERATURE (C): -0.51 +1.42 +1.11 -1.55 AIR PRESSURE (MB): 987.04 988.8 989.6 990.84 RELATIVE HUMIDITY (%): 91.79 59.53 70.0 77.07 WIND SPEED (KNOTS): 17.37 12.35 10 3.08 WIND DIRECTION (DEG): 095.8 088.8 050 290.6 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 6-8 10 8 8 CLOUDS (%): 100/Sc 80/Sc 80/Sc 95/St/Sc SEA STATE: 3 4 4 3 SEA ICE: ICE TOTAL (TENTHS): in polynya in polynya in polynya in polynya, NEW & GREY ICE: numerous GREY-WHITE: bergs and THIN ICE (30-60): bits MED ICE (60-120): THICK ICE (120-200): OLD ICE 2 Yr. Plus: SNOW DEPTH (CM): ICE PRESSURE: ENGINES/PITCH: 1800: 2 I/B M/E, F/A 900 rpms 0000: 2 F/A 0600: 2 I/B M/E F/A, 900 rpms 1200: On station, 2 declutched, bow and stern thrusters FUEL ON BOARD (@ 0000): 319,200 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 25 - 26 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 74 12.1'S 74 19.9'S 74 20.0'S 74 21.4'S LONG: 179 54.9'W 176 00.1'W 175 59.5'W 176 08.0'W WEATHER: TEMPERATURE (C): -1.49 -1.04 -0.90 -2.49 AIR PRESSURE (MB): 988.54 989.2 989.34 988.7 RELATIVE HUMIDITY (%): 69.87 67.15 70.09 97.01 WIND SPEED (KNOTS): 13.84 11.75 8.26 4.58 WIND DIRECTION (DEG): 240 264.2 285 344.5 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 8 10 10 <0.5/snow CLOUDS (%): 100/Sc 75/Sc 90/Sc 100/St/Sc SEA STATE: 4 4 4 4-5 SEA ICE: ICE TOTAL (TENTHS): in polynya in polynya in polynya in polynya 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: 1800: 2 O/B O/L, F/A 900 rpms 0000: On station, 2 var., bow and stern thrusters 0600: On station, 2 I/B M/E declutched, 2 thrusters O/L 1200: On station, 2 ME declutched, 2 thrusters O/L FUEL ON BOARD (@ 0000): 319,200 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 24 - 25 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 74 01.4'S 74 01.9'S 74 00.7'S 74 02.2'S LONG: 176 59.2'E 176 40.1'E 176 38.2'E 176 39.4'E WEATHER: TEMPERATURE (C): -0.83 -0.71 -1.27 -2.28 AIR PRESSURE (MB): 991.44 990.72 989.91 989.71 RELATIVE HUMIDITY (%): 63.94 70.15 70.75 93.86 WIND SPEED (KNOTS): 18-20 18.15 12.71 12.29 WIND DIRECTION (DEG): 219.3 245.1 190.1 235.9 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 8 8 10 0.5-2 CLOUDS (%): 80/Sc 100/Sc 100/Sc 100/Sc SEA STATE: 4 4 4 4-5 SEA ICE: ICE TOTAL (TENTHS): in polynya in polynya in polynya in polynya 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: 1800: On station, 2 M/E O/L, 900 rpms, 2 thrusters O/L 0000: Towing MOCNESS, 2 at 25% pitch, bow and stern thrusters 0600: On station, 2 M/E declutched 1200: Towing MOCNESS, 2 at 25% pitch, stern thrusters FUEL ON BOARD (@ 0000): 322,400 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 27/27 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: LAT: 65-59S 65-40S 65-35S 65-22S LONG: 68-01W 68-47W 68-54W 69-30W TEMPERATURE (C): 3.1 -1.3 -2.1 2.6 AIR PRESSURE (MB): 989 993 995 999 WIND SPEED (KN): 11-16 4-6 4-6 4-6 WIND DIRECTION: SE S WSW W CLOUDS (%): PCL FOG FOG OVCST SEA STATE (M): 1 1 1 1 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 399.5 M3 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 28/29 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: 120 nm west of Lavooisier Island LAT: 65-14S 65-33S 65-51S 65-57S LONG: 69-46W 70-39W 71-22W 71-09W TEMPERATURE (C): 2.7 1.3 0.6 3.4 AIR PRESSURE (MB): 1000 1001 1002 1003 WIND SPEED (KN): 7-10 7-10 7-10 1-3 WIND DIRECTION: NW W W NW CLOUDS (%): OVCST OVCST OVCST PCL SEA STATE (M): 1 1 1 1 SEA ICE: NONE 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: FUEL ON BOARD (@ 0800): 394. M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 27 - 28 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 29.9'S 76 32.2'S 76 34.3'S 76 36.6'S LONG: 168 58.7'E 168 52.7'E 168 49.9'E 168 56.2'E WEATHER: TEMPERATURE (C): -1.99 -0.52 -1.18 -1.82 AIR PRESSURE (MB): 992.45 994.14 993.98 993.74 RELATIVE HUMIDITY (%): 64.28 65.32 72.53 63.34 WIND SPEED (KNOTS): 4.63 4.23 5.97 5.76 WIND DIRECTION (DEG): 307.1 357.7 008.6 051.9 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 8 8 10 10 CLOUDS (%): 95/Sc 100/Sc 60/Sc/Cu 90/Sc SEA STATE: 2 2 2 2 SEA ICE: ICE TOTAL (TENTHS): in polynya, in polynya, in polynya, in polynya, numerous numerous numerous numerous bergs,bits bergs,bits bergs,bits bergs,bits and and and and growlers growlers growlers growlers 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: 1800: On station, 2 I/B M/E declutched, 2 thrusters O/L 0000: On station, 2 idle 0600: On station, 2 I/B M/E declutched 1200: On station, 2 declutched and idle FUEL ON BOARD (@ 0000): 307,000 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 29/30 January 1997 GMT TIME: 1600 0000 0400 1200 SHIP'S POSITION: 32 nm west of northern tip of Adelaide Island LAT: 66-08S 66-21S 66-23S 66-38S LONG: 70-44W 70-11W 70-11W 69-34W TEMPERATURE (C): 3.4 -0.5 -1.2 3.7 AIR PRESSURE (MB): 1004 1004 1004 1005 WIND SPEED (KN): 4-6 4-6 4-6 CALM WIND DIRECTION: NW S SSW ---- CLOUDS (%): OVCST PCL PCL PCL SEA STATE (M): 0.5 0.5 0.5 0.5 SEA ICE: Several large tabular icebergs within 9nm. 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: FUEL ON BOARD (@ 0800): 389 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 28 - 29 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 37.5'S 76 29.6'S 76 34.0'S 76 30.1'S LONG: 168 56.2'E 170 02.0'E 170 15'E 172 00.5'E WEATHER: TEMPERATURE (C): -3.7 -4.59 -3.6 -4.15 AIR PRESSURE (MB): 993.13 992.70 991.9 991.72 RELATIVE HUMIDITY (%): 83.66 75.04 73.4 73.44 WIND SPEED (KNOTS): 22 20.78 17-20 22.24 WIND DIRECTION (DEG): 111.8 147.2 150 178.9 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 1-5 10 10 10 CLOUDS (%): 100/Sc 100/Sc 80/Sc 98/Sc SEA STATE: 4 4 4 4-5 SEA ICE: ICE TOTAL (TENTHS): in polynya, in polynya, in polynya, in polynya, numerous numerous numerous numerous bergs,bits bergs,bits bergs,bits bergs,bits and and and and growlers growlers growlers growlers 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: 1800: On station, 2 M/E O/L, 900 rpms 0000: On station, 2 var. pitch, bow and stern thrusters 0600: On station, 2 M/E 1200: On station, 2 var. pitch, bow and stern thrusters FUEL ON BOARD (@ 0000): 303,800 SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE GMT DATE: 30/31 January 1997 GMT TIME: 1600 0000 0400 SHIP'S POSITION: LAT: 66-45S 67-20S 67-25S LONG: 69-16W 69-24W 69-12W TEMPERATURE (C): 4.7 -0.6 -2.4 AIR PRESSURE (MB): 1006 1004 1003 WIND SPEED (KN): 1-3 CALM CALM WIND DIRECTION: S ---- ---- CLOUDS (%): PCL PCL PCL SEA STATE (M): -- -- -- SEA ICE: Several very large tabular bergs within 9nm. 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: FUEL ON BOARD (@ 0800): 383.5 M3 R/V NATHANIEL B. PALMER DAILY SITUATION REPORT GMT DATE: 29 - 30 Jan 97 GMT TIME: 1800 0000 0600 1200 POSITION: LAT: 76 30'S 76 32.7'S 76 30'S 76 28.8'S LONG: 173 23'E 174 44.8'E 176 00'E 176 04.3'E WEATHER: TEMPERATURE (C): -6.6 -6.02 -5.4 -4.97 AIR PRESSURE (MB): 991.2 991.75 992.8 996.41 RELATIVE HUMIDITY (%): 85.6 75.41 81.2 84.91 WIND SPEED (KNOTS): 24-26 22.87 28.32 19.37 WIND DIRECTION (DEG): 180 189.3 180 180.8 SEA SURFACE TEMP (C): N.D. SALINITY (PPM): N.D. VISIBILITY (NM): 10 8 10 10 CLOUDS (%): 100/Sc 100/Sc 100/Sc 100/Sc SEA STATE: 5 5 5 5 SEA ICE: ICE TOTAL (TENTHS): in polynya, in polynya, in polynya, in polynya, a few a few a few a few bergs,bits bergs,bits bergs,bits bergs,bits and and and and growlers growlers growlers growlers 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: 1800: 2 M/E, F/A 0000: 2 F/A 0600: On station 1200: Lay to drift, 2 declutched and idle FUEL ON BOARD (@ 0000): 299,500