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

Validation of ice type - Full domain

Bulletin date: 2021-04-08

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-04-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84017 910 2
FY ice 638 42853 4959
MY ice 0 18048 12532
...date precedes bulletin

Date: 2021-04-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84229 690 0
FY ice 906 42206 4783
MY ice 4 18059 12315
...date precedes bulletin

Date: 2021-04-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84989 961 0
FY ice 487 42186 5221
MY ice 3 18019 12313
...date precedes bulletin

Date: 2021-04-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85513 698 0
FY ice 1009 41690 4822
MY ice 19 18036 12402
observations
open FY ice MY ice
m
d
l
open 85488 700 0
FY ice 1031 41659 5031
MY ice 22 18065 12193

Date: 2021-04-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85870 815 0
FY ice 1736 41336 4488
MY ice 50 18229 12353
observations
open FY ice MY ice
m
d
l
open 85920 814 0
FY ice 1683 41383 4750
MY ice 53 18183 12091

Date: 2021-04-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 87088 980 0
FY ice 1073 40860 4474
MY ice 93 18397 12264
observations
open FY ice MY ice
m
d
l
open 86704 894 0
FY ice 1453 41030 4762
MY ice 97 18313 11976

Date: 2021-04-14:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85899 1483 0
FY ice 373 41914 4610
MY ice 27 19026 11224
observations
open FY ice MY ice
m
d
l
open 85581 1132 0
FY ice 685 42300 4889
MY ice 33 18991 10945

Date: 2021-04-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85775 1679 0
FY ice 233 42370 3931
MY ice 22 19068 10811
observations
open FY ice MY ice
m
d
l
open 85445 1215 0
FY ice 525 42882 4222
MY ice 60 19020 10520


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