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: 2021-10-14

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-10-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 138087 3567 2
FY ice 302 9787 2911
MY ice 4 749 24422
...date precedes bulletin

Date: 2021-10-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 136457 4160 0
FY ice 351 13217 1073
MY ice 7 1584 20178
...date precedes bulletin

Date: 2021-10-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 135014 3478 1
FY ice 188 13887 1690
MY ice 5 1603 21971
...date precedes bulletin

Date: 2021-10-14:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 134003 3564 0
FY ice 529 13291 2328
MY ice 19 980 22860
observations
open FY ice MY ice
m
d
l
open 133983 3663 0
FY ice 541 13059 2364
MY ice 27 1113 22824

Date: 2021-10-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 131825 4160 0
FY ice 760 14751 2998
MY ice 7 889 23797
observations
open FY ice MY ice
m
d
l
open 131874 4192 0
FY ice 708 14652 3076
MY ice 10 956 23719

Date: 2021-10-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 129328 2822 0
FY ice 455 18080 3324
MY ice 6 1674 23773
observations
open FY ice MY ice
m
d
l
open 129118 4759 0
FY ice 663 16804 3490
MY ice 8 1013 23607

Date: 2021-10-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 126492 4438 0
FY ice 793 18533 4135
MY ice 0 1449 24166
observations
open FY ice MY ice
m
d
l
open 126258 5508 0
FY ice 1022 18021 4268
MY ice 5 891 24033

Date: 2021-10-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 124524 5062 0
FY ice 842 20921 3786
MY ice 7 1368 23679
observations
open FY ice MY ice
m
d
l
open 124287 5983 0
FY ice 1076 20590 3830
MY ice 10 778 23635


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