East Arctic Regional Seas 21 May 2001 Kara Sea (70E-95E): Sea Ice Free Kara South: The following Imagery used f13.01.140.0432 covering 55-60E and 60-75E. f13.01.141.0746 used between 75-80N and between 75-90E. Remainder of area estimated using weather, climatology and persistence. Summary (Kara South): 70% OLS, 30% estimated. Kara North: The following OLS Imagery used for analysis f13.01.141.0746 used for entire Kara North Sea. Summary (Kara North): 100% OLS Barents Sea (0-70E): Barents North: OLS Imagery 141.0746, 142.0733 used from Spitzberg to Frans Josef Island and along western Nevya Zemlya. Remainder of area estimated using SSMI and Quickscat for 21 May 2001 in conjunction with weather and climatology. Summary: 70% OLS, 30% estimated. Barents South: OLS Imagery 139.0446, 140.0432, 138.1543 used for entire Barents SouthRemainder of area estimated using SSMI and Quickscat for 21 May 2001 in conjunction with weather and climatology. Summary: 70% OLS, 30% estimated. Baltic Sea: Sea Ice Free - Confirmed using OLS VIS f13.01143.0713, f13.01143.0407, f13.01142.0733, and f13.01142.0545; and using AVHRR IR 2001.141.1157:39; and using QUICKSCAT imagery from 23 May 2001; and using the Swedish Meteorological and Hydrological Institute Sea Surface Temperatures Chart dated 21 May 2001. Summary: 50% DMSP OLS, 45% AVHRR, 5% estimated White Sea: Analyzed using RADARSAT(c) from 2001.139.1456; and OLS VIS f15.01139.1347, and f13.01139.0319. Eastern portions of the White Sea are sea ice free, remainder estimated using QUICKSCAT imagery dated 22 May 2001, climatology, weather, and persistence. Summary: 80% RADARSAT(c), 10% DMSP OLS, and 10% estimated. Canadian Archipelago (80W-95W): Northern and central portions analyzed using DMSP OLS 01141.2115Z and 01140.2128Z. Gulf of Boothia estimated using climatology, weather, and persistence Summary: 80% DMSP OLS, 20% estimated. Baffin Bay/Davis Strait: Baffin Bay analyzed using OLS 142.2102 and 142.1741. Cloud coverage obscured the western coast of Baffin Island. Davis Strait analyzed using OLS 142.2102, 142.1741 and AVHRR 142.1958, 142.1551, 141.1700 and 140.1710. Area in central Davis obscured by clouds. Areas obscured by clouds estimated using a combination of climatology, weather, SSM/I and persistence. Summary: 60% OLS, 30% AVHRR, 10% estimated Labrador Sea: Entire area anlyzed using DMSP OLS f13.01140.1130Z and f13.01140.2128Z. Summary: 100% DMSP OLS. Gulf of St. Lawrence: Sea ice free with the exception of the Strait of Belle Isle, which was analyzed using DMSP OLS f13.01140.2128Z. Summary: 100% DMSP OLS. Grand Banks of Newfoundland: Entire area analyzed using DMSP OLS f13.01141.1118Z. Summary: 100% DMSP OLS. Hudson Bay: Entire area analyzed using DMSP OLS 01140.2307Z and 01139.2321Z. Summary: 100% DMSP OLS. Foxe Basin: Foxe Basin and Hudson Strait analyzed using DMSP OLS 01138.1157Z and 01140.2128Z. Roes Welcome Sound estimated using climatology, weather, and persistence. Summary: 90% DMSP OLS, 10% estimated. Greenland South/Southwest: Area from 60.5N-63.5N and 46W-39.5W analyzed using radarsat from 21 May 01:0910. Area from 65N-68N and 36.5W- 25W analzyed using Radarsat from 22 May: 0839. 63N-65N and 40W-36W analyzed using DMSP OLS f13.01141.0746. Remainder of area estimated using a combination of SSM/I from 22 May, climatology, and meteorology. Summary: 60% Radarsat, 20% OLS, 20% estimated. Greenland Central: Area from 71.5N-73.5N and 22W- 13W analyzed using Radarsat 20 May: 0756. 75N-79N and 13W-2W analyzed using Radarsat from 21 May: 0725. Coastal area from Scoresby Sound north analyzed using DMSP OLS f13.01141.0746. Remainder of area estimated using a combination of SSM/I from 22 May, climatology, and meteorology. Summary: 45% Radarsat, 40% OLS, 15% estimated. Greenland North: Area from 79.5N-83N and 12W-05E analzyed using Radarsat from 21 May: 1543. From 75N-79.5N and 13W-2W analyzed using Radarsat from 21 May: 0725. Portions of edge and fast ice analyzed using DMSP OLS f1.01140.1332 and f13.01141.0746. Remainder of area estimated using a combination of SSM/I from 22 May, climatology, and meteorology. Summary: 25% Radarsat, 40% OLS, 35% estimated.