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: 2022-03-31

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-03-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 2 18131 335
MY ice 6 13086 9171
...date precedes bulletin

Date: 2022-03-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 20 18072 374
MY ice 3 13087 9657
...date precedes bulletin

Date: 2022-03-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 1 1 0
FY ice 34 18037 436
MY ice 0 12842 9939
...date precedes bulletin

Date: 2022-03-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 1 0
FY ice 35 17948 408
MY ice 0 12978 10053
observations
open FY ice MY ice
m
d
l
open 0 1 0
FY ice 35 17934 424
MY ice 0 12992 10037

Date: 2022-04-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 4 3 0
FY ice 33 17792 385
MY ice 0 13490 9690
observations
open FY ice MY ice
m
d
l
open 3 5 0
FY ice 34 17800 407
MY ice 0 13480 9668

Date: 2022-04-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 2 11 0
FY ice 57 17607 398
MY ice 0 13591 9685
observations
open FY ice MY ice
m
d
l
open 0 5 0
FY ice 59 17580 407
MY ice 0 13624 9676

Date: 2022-04-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 3 13 0
FY ice 17 17386 339
MY ice 2 13978 9664
observations
open FY ice MY ice
m
d
l
open 1 13 0
FY ice 19 17165 343
MY ice 2 14199 9660

Date: 2022-04-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 16 0
FY ice 45 17210 393
MY ice 19 14212 9602
observations
open FY ice MY ice
m
d
l
open 0 12 0
FY ice 45 17027 383
MY ice 19 14399 9612


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