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: 2021-10-07

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-10-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 20444 1489 0
FY ice 172 7198 578
MY ice 137 681 11159
...date precedes bulletin

Date: 2021-10-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 20050 1519 0
FY ice 175 6431 1110
MY ice 34 361 11880
...date precedes bulletin

Date: 2021-10-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 20133 815 0
FY ice 121 6428 1223
MY ice 31 687 11789
...date precedes bulletin

Date: 2021-10-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 19999 904 0
FY ice 130 6548 1726
MY ice 5 478 11968
observations
open FY ice MY ice
m
d
l
open 20005 937 0
FY ice 124 6334 1661
MY ice 5 659 12033

Date: 2021-10-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 19144 1408 0
FY ice 136 6865 1939
MY ice 7 473 11858
observations
open FY ice MY ice
m
d
l
open 19157 1495 0
FY ice 123 6578 1885
MY ice 7 673 11912

Date: 2021-10-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 18855 675 0
FY ice 58 8721 925
MY ice 2 806 10928
observations
open FY ice MY ice
m
d
l
open 18805 1404 0
FY ice 108 7993 898
MY ice 2 805 10955

Date: 2021-10-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 19005 432 0
FY ice 205 8683 784
MY ice 4 626 10674
observations
open FY ice MY ice
m
d
l
open 18959 940 0
FY ice 255 8147 781
MY ice 0 654 10677

Date: 2021-10-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 18493 616 0
FY ice 307 8371 1460
MY ice 0 403 11782
observations
open FY ice MY ice
m
d
l
open 18407 1001 0
FY ice 393 7947 1479
MY ice 0 442 11763


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