Description of algorithm
Interpretation of results
Full domain
American sector
  Ice type distr., stat.s
  Contingency tables
European sector
Asian sector

Validation of ice type - American sector

Bulletin date: 2020-10-22

Data source: OSI SAF N.H. sea ice type

Model vs. observations, ice type area extent contingency tables

Date: 2020-10-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21542 1092 58
FY ice 135 871 6106
MY ice 0 190 13997
...date precedes bulletin

Date: 2020-10-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21073 1247 32
FY ice 113 4530 1333
MY ice 0 1225 12119
...date precedes bulletin

Date: 2020-10-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 20827 772 52
FY ice 49 6139 1235
MY ice 0 1563 12028
...date precedes bulletin

Date: 2020-10-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 20861 716 20
FY ice 34 6489 1125
MY ice 0 1542 12217
observations
open FY ice MY ice
m
d
l
open 20869 759 21
FY ice 26 6468 1097
MY ice 0 1520 12244

Date: 2020-10-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 20176 1000 3
FY ice 4 6801 1003
MY ice 0 1750 12207
observations
open FY ice MY ice
m
d
l
open 20180 1074 13
FY ice 0 6760 950
MY ice 0 1717 12250

Date: 2020-10-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 19374 924 17
FY ice 9 7759 1083
MY ice 0 1776 12278
observations
open FY ice MY ice
m
d
l
open 19382 1583 45
FY ice 1 7150 1015
MY ice 0 1726 12318

Date: 2020-10-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 18420 1367 193
FY ice 9 7740 1351
MY ice 0 1947 12232
observations
open FY ice MY ice
m
d
l
open 18413 1540 211
FY ice 16 7542 1289
MY ice 0 1972 12276

Date: 2020-10-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 16915 2453 0
FY ice 29 8631 911
MY ice 0 1979 12164
observations
open FY ice MY ice
m
d
l
open 16912 2295 0
FY ice 32 8701 864
MY ice 0 2067 12211


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