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: 2022-12-01

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-11-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 9083 1000 0
FY ice 228 18540 1151
MY ice 0 1611 11347
...date precedes bulletin

Date: 2022-11-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 8215 1326 0
FY ice 240 19015 1103
MY ice 0 1685 11258
...date precedes bulletin

Date: 2022-11-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 7500 1216 0
FY ice 250 19986 1076
MY ice 0 1771 11182
...date precedes bulletin

Date: 2022-12-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 7359 869 0
FY ice 446 20551 800
MY ice 0 1992 10850
observations
open FY ice MY ice
m
d
l
open 7423 890 0
FY ice 382 20529 799
MY ice 0 1993 10851

Date: 2022-12-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 6443 1331 0
FY ice 598 20913 797
MY ice 0 1774 11229
observations
open FY ice MY ice
m
d
l
open 6547 1357 0
FY ice 494 20902 846
MY ice 0 1759 11180

Date: 2022-12-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 6379 843 0
FY ice 663 21844 524
MY ice 7 2328 9724
observations
open FY ice MY ice
m
d
l
open 6204 1133 0
FY ice 843 21681 500
MY ice 2 2201 9748

Date: 2022-12-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 4267 1937 0
FY ice 611 23185 471
MY ice 0 2859 9139
observations
open FY ice MY ice
m
d
l
open 4251 2267 0
FY ice 627 22970 484
MY ice 0 2744 9126

Date: 2022-12-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 1767 2508 0
FY ice 197 25355 634
MY ice 0 2831 9348
observations
open FY ice MY ice
m
d
l
open 1737 3093 0
FY ice 227 24850 674
MY ice 0 2751 9308


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