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: 2023-04-06

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-03-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85025 1503 0
FY ice 257 55007 2423
MY ice 12 11784 12369
...date precedes bulletin

Date: 2023-04-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84946 1806 0
FY ice 305 54987 2852
MY ice 0 11381 12641
...date precedes bulletin

Date: 2023-04-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85478 1229 0
FY ice 374 54104 2915
MY ice 4 11669 12809
...date precedes bulletin

Date: 2023-04-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85492 1373 0
FY ice 583 55163 2770
MY ice 1 12105 12552
observations
open FY ice MY ice
m
d
l
open 85479 1372 0
FY ice 593 54757 2778
MY ice 4 12512 12544

Date: 2023-04-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85629 1326 0
FY ice 675 56451 1985
MY ice 0 13185 11688
observations
open FY ice MY ice
m
d
l
open 85611 1296 0
FY ice 693 56038 1996
MY ice 0 13628 11677

Date: 2023-04-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85367 1645 0
FY ice 531 58528 1790
MY ice 13 13389 11515
observations
open FY ice MY ice
m
d
l
open 85236 1824 0
FY ice 674 57837 1775
MY ice 1 13901 11530

Date: 2023-04-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85007 2330 0
FY ice 394 58375 1501
MY ice 2 13919 10070
observations
open FY ice MY ice
m
d
l
open 84815 2456 0
FY ice 587 57598 1484
MY ice 1 14570 10087

Date: 2023-04-14:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85586 2006 23
FY ice 351 57646 1559
MY ice 0 13682 11129
observations
open FY ice MY ice
m
d
l
open 85341 2190 31
FY ice 596 56817 1552
MY ice 0 14327 11128


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