SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 01 OCT 94 GMT = (+4) 00 6024S 5909W WIND SSW 5 SEA 4 SKY OVC TEMP -7C BP 986MB 04 6059S 5815W WIND SE 5 SEA 4 SKY OVC TEMP -11C BP 986MB 08 6132S9 5724W3 WIND SE 6 SEA 3 SKY OVC TEMP -12C BP 990MB 12 6202S7 5719W5 WIND SSE 5 SEA ICESKY HAZ TEMP -10C BP 993MB ICE: 9/10 PANCAKE WITH OPEN LEADS COMMENTS: Occasional patches of pack ice were experienced during our approach to the east end of King George Island. Once in the Bransfield Strait we have had mostly 8-9/10 pancake ice with open leads. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 03 OCT 94 GMT = (+4) 00 6241S8 5930W4 WIND SW 7 SEA || SKY OVC TEMP -7C BP 983MB ICE: 9/10 PACK ICE WITH OCCASIONAL BERGY BITS AND OPEN LEADS 04 6252S5 5955W5 WIND SW 8 SEA || SKY SNW TEMP -8C BP 980MB ICE: 9/10 PACK ICE 08 6304S8 6045W3 WIND SW 8 SEA 5 SKY OVC TEMP -5C BP 979MB ICE: 1/10 BRASH 12 6317S3 6128W3 WIND SW 11 SEA 6 SKY OVC TEMP -4C BP 977MB ICE: 1/10 BRASH SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 04 OCT 94 GMT = (+4) 00 6342S 6214W3 WIND SW 6 SEA 3 SKY PCL TEMP -6C BP 986MB 04 6403S 6253W WIND SW 4 SEA 3 SKY PCL TEMP -7C BP 986MB 08 |LAT.. |LON... WIND VAR 2 SEA 1 SKY CLR TEMP -5C BP 988MB 12 6453S 6341W WIND W 4 SEA 1 SKY PCL TEMP -8C BP 989MB ICE OBS: 1) SW of Two Hummock Island (6410S X 6150W) the Gerlache Strait is completely filled with fast ice and judged impassable at this time. 2) Heavy pack ice extends from a point north of Hoseason Island (6335S X 6130W) to a point off the entrance to Dallmann Bay (64S X 63W) and inshore to Brabant Island. 3) The entire east side of Dallmann Bay is filled with fast ice, but the west side is passable through 8/10 - 10/10 pack ice (new ice, 6-8/10 pancake, 1-2/10 dark nilas), with occasional small ice bergs and growlers. 4) Bismark Strait from Cape Lancaster (6451S X 6343W) to the entrance to Arthur Harbor (6446S X 6404W) is filled with heavy pack ice. (10/10 new ice, 6/10 small floe, 3/10 pancake, and 1/10 dark nilas) There are occasional small bergs, numerous bergy bits and growlers, and few leads. Many small pressure ridges were observed. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 07 OCT 94 GMT = (+4) 00 6016S 5833W WIND WNW 6 SEA 4 SKY OVC TEMP -1C BP 994MB 04 5928S 5904W WIND WNW 5 SEA 4 SKY OVC TEMP -1C BP 995MB 08 5838S 5936W WIND W 5 SEA 3 SKY HAZ TEMP 0C BP 996MB 12 5752S 6014W WIND W 4 SEA 3 SKY HAZ TEMP +1C BP 998MB SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 08 OCT 94 GMT = (+4) 00 5539S 6219W WIND WNW 5 SEA 3 SKY PCL TEMP +2C BP 1006MB 04 5453S 6248W WIND WNW 6 SEA 3 SKY OVC TEMP +4C BP 1009MB 08 5418S 6352W WIND WNW 6 SEA 3 SKY CLR TEMP +6C BP 1010MB 12 5400S 6442W WIND NW 6 SEA 3 SKY CLR TEMP +7C BP 1011MB SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 09 OCT 94 GMT = (+4) 00 5243S 6751W WIND NNW 7 SEA 3 SKY PCL TEMP +4C BP 1007MB 04 |LAT.. |LON... WIND NW 6 SEA 2 SKY OVC TEMP +6C BP 1009MB 08 |LAT.. |LON... WIND WNW 5 SEA 2 SKY PCL TEMP +6C BP 1009MB 12 5300S 7033W WIND WNW 6 SEA 2 SKY PCL TEMP +7C BP 1009MB SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE |D MMM YY GMT = (+4) 00 LAT 52 42S LON 68 10W/WIND NE4/SEA 3/SKY PTCLDY/TEMP 4C/BP 993MB 04 LAT 53 21S LON 67 09W/WIND CLM/SEA 2/SKY CLR/TEMP 4C/BP 992MB 08 LAT 53 57S LON 66 10W/WIND SE 3/SEA 2/SKY PTCLDY/TEMP 4C/BP 991MB 12 LAT 54 34S LON 64 58W/WIND SE 3/SEA 3/SKY PTCLDY/TEMP 6C/BP 989MB ICE AND WEATHER OBS: No ice observed, and no significant weather to report. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 16 Oct 94 GMT = (+4) 00 LAT 56 45S LON 63 10W/WIND SE 1 /SEA 2/SKY CDY/TEMP 3C/BP 988MB 04 LAT 57 30S LON 62 15W/WIND N 2/SEA 3/SKY CDY/TEMP 3C/BP 985MB 08 LAT 58 14S LON 61 17W/WIND E 3/SEA 3/SKY CDY/TEMP 1C/BP 984MB 12 LAT 58 58S LON 60 26W/WIND VAR 1/SEA 3/SKY FOG/TEMP 0C/BP 984MB ICE AND WEATHER OBS: No ice reported. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 17 OCT 94 GMT = (+3) 00 LAT 61 00S LON 58 02W/WIND S 8/SEA 4/SKY PCL/TEMP -4C/BP 987MB 04 LAT 61 40S LON 57 12W/WIND S 7/SEA 4/SKY CDY/TEMP -7C/BP 990MB 08 LAT 62 07S LON 57 40W/WIND S 4/SEA 3/SKY PCL/TEMP -7C/BP 993MB 12 ADMIRALITY BAY, KGI/WIND CLM/SEA 1/SKY CDY/TEMP -5C/BP 994MB ICE AND WEATHER OBS: SCATTERED ICEBERGS AND BERGY BITS THROUGHOUT REGION NORTH OF KING GEORGE ISLAND WITH OPEN WATER BETWEEN. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 18 OCT 94 GMT = (+3) 00 LAT 62 46S/LON 59 15W/WIND SW 5/SEA 1/SKY PCL/TEMP -7C/BP 994MB 04 LAT 63 03S/LON 60 33W/WIND SW 3/SEA 2/SKY SNO/TEMP -7C/BP 991MB 08 LAT 63 20S/LON 61 21W/WIND SW 5/SEA 2/SKY CDY/TEMP -8C/BP 990MB 12 LAT 63 19S/LON 61 38W/WIND W 6/SEA ICE/SKY FOG/TEMP -7C/BP 989MB ICE AND WEATHER OBS: 7/10 CLOSE PACK OF PANCAKE ICE AS WELL AS FRESH FROZEN IN THE ARE BETWEEN LOW ISLAND AND UPPER DALLMAN BAY. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 19 OCT 94 GMT = (+3) 00 LAT 64 37S/LON 64 20W/WIND VAR 1/SEA ICE/SKY SNO/TEMP -8C/BP 986MB 04 LAT 64 49S/LON 63 12W/WIND NE 2/SEA ICE/SKY SNO/TEMP -7C/BP 986MB 08 LAT 64 52S/LON 63 44W/WIND NE 4/SEA ICE/SKY SNO/TEMP -6C/BP 987MB 12 ARRIVAL AT PALMER STATION ICE AND WEATHER OBS: VERY CLOSE PACK FLOE ICE, 50CM THICK IN NEUMEYER CHANNEL. CONSOLIDATED FLOW ICE AGAINST FAST ICE EDGE AT ARTHUR HBR. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 20 OCT 94 GMT = (+3) 00 PALMER STATION 12 LAT 6345S LON 6452/WIND E 1/SEA 1/SKY SNO/TEMP -5C/BP 993MB ICE AND WEATHER OBS: OPEN DRIFT ICE CONDITIONS IN THE LOWER GERLACHE WITH SCATTERED BERGS THROUGHOUT THE STRAIGHTS. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 21 OCT 94 GMT = (+3) 00 LAT 64 23S LON 62 36W/WIND WSW 6/SEA 3/SKY PCL/TEMP -8C/BP 989MB 04 LAT 64 10S LON 62 51W/WIND SW 3/SEA 2/SKY PCL/TEMP -7C/BP 986MB 08 LAT 64 17S LON 62 51W/WIND WSW 7/SEA 3/SKY PCL/TEMP -6C/BP 984MB 12 LAT 63 51S LON 63 34W/WIND WNW 6/SEA ICE/SKY FOG/TEMP -6C/BP 982MB ICE AND WEATHER OBS: OPEN DRIFT OF BERGS AND FIRST YEAR SHEET ICE IN THE MID TO LOWER DALLMAN BAY AREA. VERY CLOSE PACK(!!) MEDIUM FIRST YEAR SHEET ICE OF NORTH SIDE OF ANVERS ISLAND. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 22 OCT 94 GMT = (+3) 00 LAT 62 47S LON 64 19W/WIND W 4/SEA ICE/SKY SNO/TEMP -2C/BP 966MB  04 LAT 62 36S LON 64 35W/WIND SW 9/SEA ICE/SKY SNO/TEMP -8C/BP 975MB  08 LAT 62 33S LON 64 34W/WIND SW 8/SEA ICE/SKY PCL/TEMP -11C/BP 980MB 12 LAT 62 35S LON 63 30W/WIND SW 8/SEA ICE/SKY CLR/TEMP -10C/BP 980MB ICE OBSERVATIONS: 3/10THS OPEN DRIFT CONDITIONS IN OPERATION AREA (north east of Smith Island). TRANSIT TO AREA FROM THE WEST IN THE EARLY MORNING HAD THE VESSEL PASSING THROUGH VERY CLOSE PACK CAKE ICE. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 24 OCT 94 GMT = (+3) 00 LAT 61 43S LON 59 56W/WIND SW 4/SEA 2/SKY CDY/TEMP -8C/BP 990MB  04 LAT 61 37S LON 59 19W/WIND W 2/SEA 2/SKY CDY/TEMP -2C/BP 988MB 08 LAT 61 38S LON 58 25W/WIND NW 3/SEA 2/SKY PCL/TEMP -3C/BP 985MB 12 LAT 61 40S LON 58 10W/WIND N 4/SEA 3/SKY FOG/TEMP -2C/BP 982MB ICE OBSERVATIONS: VERY OPEN WATER WITH SCATTERED BERGS AND GROWLERS. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 25 OCT 94  GMT = (+3)  00 LAT 61 27S LON 58 00W/WIND NE 5/SEA 3/SKY SNO/TEMP -2C/BP 975MB 04 LAT 61 33S LON 57 55W/WIND ESE 9/SEA 5/SKY SNO/TEMP -5C/BP 976MB 08 LAT 61 41S LON 57 51W/WIND SE 8/SEA ICE/SKY SNO/TEMP -7C/BP 980MB 12 LAT 61 43S LON 57 59W/WIND SE 6/SEA ICE/SKY CDY/TEMP -6C/BP 982MB  ICE AND WEATHER OBSERVATIONS: MORNING SQALL PASSED THRU OPERATING AREA IN EARLY MORNING HOURS. OPEN DRIFT WITH BANDS OF SMALL FLOE PANCAKE ICE AND SCATTERD BERGY BITS. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 26 OCT 94 GMT = (+3) 00 LAT 61 20S LAT 57 16W/WIND E 5/SEA 3/SKY CDY/TEMP -7C/BP 980MB  04 LAT 61 20S LAT 57 00W/WIND ESE 7/SEA 5/SKY CDY/TEMP -9C/BP 981MB 08 LAT 61 21S LAT 56 18W/WIND SE 8/SEA 4/SKY CDY/TEMP -10C/BP 985MB  12 LAT 61 14S LAT 56 32W/WIND SE 8/SEA 4/SKY PCL/TEMP -10C/BP 987MB SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 27 OCT 94 GMT = (+3)  00 LAT 60 58S LON 56 17W/WIND S 7/SEA 4/SKY SNO/TEMP -11C/BP 992MB 04 LAT 61 13S LON 56 08W/WIND SSE 6/SEA 3/SKY CDY/TEMP -11C/BP 996MB  08 LAT 61 11S LON 56 05W/WIND SE 6/SEA 3/SKY PCL/TEMP -14C/BP 997MB. 12 LAT 61 11S LON 56 09W/WIND SE 6/SEA 3/SKY PCL/TEMP -13C/BP 1001MB ICE OBSERVATIONS: OPEN WATER WITH SCATTERED BERGS AND BITS. BANDED DRIFTS OF BROKEN ICE BEING BLOWN INTO AREA FROM THE SOUTHEAST. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 28 OCT 94 GMT = (+3) 00 Lat 60 59S Lon 56 23W/Wind SW 4/SEA 3/Sky PCL/TEMP -10C/BP 1011MB 04 LAT 61 03S LON 56 12W/Wind SW 5/SEA 3/SKY CDY/TEMP -7C/BP 1010MB 08 LAT 61 16S LON 56 04W/WIND SE 4/SEA 2/SKY PCL/TEMP -10C/BP 1011MB 12 LAT 61 17S LON 56 05W/WIND VAR 1/SEA 2/SKY CLR/TEMP -8C/BP 1011MB ICE AND WEATHER OBS: Operation area is generally ice free except for a few scattered bergs or small floes of broken ice. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 29 OCT 94 GMT = (+3) 00 LAT 61 29S LON 56 45W/WIND W 7/SEA ICE/SKY SNO/TEMP -3C/BP 997MB 04 LAT 61 53S LON 57 03W/WIND WSW 7/SEA ICE/SKY CDY/TEMP -2C/BP 993MB 08 LAT 61 51S LON 57 05W/WIND SSW 7/SEA ICE/SKY PCL/TEMP -2C/BP 994MB 12 LAT 61 42S LON 57 27W/WIND N 5/SEA 3/SKY PCL/TEMP 0C/BP 994MB ICE AND WEATHER OBS: Broken sea ice drifting into the region west of Elephant Island, 7/10 coverage. Along the north east corner of King George open water with scattered brash ice drifts and bergs. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 30 Oct 94 GMT = (+3) 00 LAT 61 25S LON 57 50W/WIND SE 7/SEA 4/SKY CDY/TEMP -6C/BP 999MB 04 LAT 61 46S LON 58 13W/WIND SE 7/SEA 4/SKY PCL/TEMP -9C/BP 1003MB 08 LAT 61 47S LON 58 12W/WIND SE 6/SEA 3/SKY PCL/TEMP -9C/BP 1008MB 12 LAT 61 46S LON 58 30W/WIND E 4/SEA 3/SKY PCL/TEMP -6C/BP 1008MB ICE AND WEATHER OBS: Open water in operation area approx. 10 miles north of King George Island. Scattered bergs. SUBJECT: SITREP AND OBSERVATIONS FROM R/V POLAR DUKE 31 Oct 94 GMT = (+3) 00 LAT 61 29S LON 58 50W/WIND NW 5/SEA 3/SKY CDY/TEMP -5C/BP 1012MB 04 LAT 61 42S LON 57 44W/WIND NW 4/SEA ICE/SKY CDY/TEMP -5C/BP 1013MB 08 LAT 62 08S LON 58 25W/WIND WSW 6/SEA ICE/SKY PCL/TEMP -4C/BP 1011MB 12 ADMIRALITY BAY/WIND WSW 4/ SEA 2/SKY CLR/TEMP -1C/BP 1012MB ICE AND WEATHER OBS: Open water in Admirality Bay with scattered brash ice.