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

Validation of ice type - European sector

Bulletin date: 2022-12-22

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-12-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91746 1475 0
FY ice 330 5817 1624
MY ice 0 195 4035
...date precedes bulletin

Date: 2022-12-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91555 1415 0
FY ice 432 6048 1482
MY ice 2 406 4131
...date precedes bulletin

Date: 2022-12-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91425 1272 0
FY ice 321 6587 1524
MY ice 0 658 3920
...date precedes bulletin

Date: 2022-12-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91242 1218 1
FY ice 353 6721 1043
MY ice 2 590 3425
observations
open FY ice MY ice
m
d
l
open 91254 1269 1
FY ice 341 6583 944
MY ice 2 677 3524

Date: 2022-12-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90831 1248 1
FY ice 351 6892 1653
MY ice 0 175 4295
observations
open FY ice MY ice
m
d
l
open 90829 1243 1
FY ice 353 6854 1498
MY ice 0 218 4450

Date: 2022-12-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90912 1095 1
FY ice 358 6648 1932
MY ice 0 159 4650
observations
open FY ice MY ice
m
d
l
open 90706 1088 5
FY ice 564 6650 1799
MY ice 0 164 4779

Date: 2022-12-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90750 1140 0
FY ice 537 7016 1063
MY ice 0 459 4218
observations
open FY ice MY ice
m
d
l
open 90458 1147 0
FY ice 828 6989 930
MY ice 1 479 4351

Date: 2022-12-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90564 1130 0
FY ice 892 6949 999
MY ice 7 1165 3566
observations
open FY ice MY ice
m
d
l
open 89908 1231 0
FY ice 1551 6838 796
MY ice 4 1175 3769


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