Close

Service Interruption

Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors, Version 2

Missing Data

The following table lists the dates for which data are actually available for the Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors, Version 2 data set. In most cases, data are missing at either the beginning or end of the year. Where data are missing at some other time during the year, this is noted in the Additional Missing Days column.

Table 1. Data Availability/Missing Data
Type/Sensor Hemisphere Year Day of Year
Data Begin1
Day of Year
Data End2
Additional Missing Days
Grid Northern 1978 305  
Southern 1978 305  
1979 363  
1980 003  
1983 364  
1984 002  
1985, 1987 364  
1988 003, 007, 012, 053
1991 363  
2007,
2009-2011
364  
2012 057  
AMSR-E Northern 2002 170  
2011 220  
Southern N/A  
AVHRR Northern 1981 205 361  
1982 360  
1983 014 351  
1984-1985 005 364  
1992 002 364  
1994 255  
1995 019 364  
1984-1988
1990-1993
1995-1999
364  
Southern 1981 205 364  
1982 360  
1983 351 002-013
1984 005 364 013-015, 027-028, 040-041, 044, 048-055, 100-101, 104-110, 124-125, 182-183, 235, 317-318, 340-344
1985 005 364 026-027, 039-042, 069
1986 364 027-031, 073-074, 137-141, 163-166
1987 364  
1988 364 018, 019
1989 360  
1990 364 114, 115
1991-1993 364  
1994 255  
1995 007 364 045-072, 150-151, 214-241
1996-1999 364  
Buoy Northern 1979 018 364  
1980-1981 002 364  
1982-1983 002 363  
1984-1986 002 364  
1987-2011 364  
Southern N/A  
SMMR, SSM/I, SSMIS Northern 1978 298  
1985 363  
1986 003  
1987 335  
1988 013  
2009-2011 364  
Southern 1978 298  
1985 363  
1986 003  
1987 335  
1988 013  
2007,
2009-2011
364  
Winds (NCEP/NCAR) Northern 1978 298  
Southern N/A  
Type Hemisphere Year Week or Month
Data Begin
Week or Month
Data End
Additional Missing Weeks or Months
Means Northern: Months N/A  
Northern: Weeks 1978 Week 45  
Northern: Years N/A  
Southern: Months 2012 Month 03  
1980 Month 02
Southern: Weeks 1978 Week 45  
1980 Week 08  
1987 Week 51 Week 04
2012 Week 09  
Southern: Years N/A  

1If other than Day 001.
2If other than Day 365 or 366 (for leap years).