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: 2021-04-01

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-03-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84041 610 5
FY ice 368 41949 6272
MY ice 0 17403 13052
...date precedes bulletin

Date: 2021-03-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84710 430 8
FY ice 741 42217 5555
MY ice 0 17475 13030
...date precedes bulletin

Date: 2021-03-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85254 551 0
FY ice 906 42688 4420
MY ice 0 17670 12763
...date precedes bulletin

Date: 2021-04-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84372 773 0
FY ice 785 43109 4298
MY ice 0 18114 12393
observations
open FY ice MY ice
m
d
l
open 84565 915 0
FY ice 592 42972 4378
MY ice 0 18109 12313

Date: 2021-04-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 83796 907 2
FY ice 620 42944 4824
MY ice 0 18091 12421
observations
open FY ice MY ice
m
d
l
open 83957 1133 2
FY ice 459 42810 4890
MY ice 0 17999 12355

Date: 2021-04-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85062 916 0
FY ice 476 42168 4997
MY ice 1 18015 12362
observations
open FY ice MY ice
m
d
l
open 84721 969 0
FY ice 817 42227 5125
MY ice 1 17903 12234

Date: 2021-04-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85109 781 0
FY ice 590 42014 5082
MY ice 8 17972 12361
observations
open FY ice MY ice
m
d
l
open 84794 888 0
FY ice 906 41933 5278
MY ice 7 17946 12165

Date: 2021-04-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85566 709 0
FY ice 1407 41435 4652
MY ice 35 18110 12456
observations
open FY ice MY ice
m
d
l
open 85118 788 0
FY ice 1870 41361 4891
MY ice 20 18105 12217


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