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: 2022-12-15

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-12-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 96882 4242 10
FY ice 867 48410 4253
MY ice 0 6198 14164
...date precedes bulletin

Date: 2022-12-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 96158 3772 4
FY ice 941 49282 3968
MY ice 0 6343 14574
...date precedes bulletin

Date: 2022-12-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 95134 2357 1
FY ice 583 51701 4226
MY ice 2 6638 14585
...date precedes bulletin

Date: 2022-12-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 94615 2063 0
FY ice 815 52423 3812
MY ice 0 6766 13418
observations
open FY ice MY ice
m
d
l
open 94638 2186 0
FY ice 792 52268 3600
MY ice 0 6798 13630

Date: 2022-12-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 94014 2168 1
FY ice 1117 52740 3663
MY ice 3 7162 13077
observations
open FY ice MY ice
m
d
l
open 94004 2270 1
FY ice 1127 52544 3376
MY ice 3 7256 13364

Date: 2022-12-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 93408 1925 0
FY ice 828 54309 3006
MY ice 0 7544 13439
observations
open FY ice MY ice
m
d
l
open 93198 2448 0
FY ice 1038 53821 2741
MY ice 0 7509 13704

Date: 2022-12-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 92912 1806 0
FY ice 656 55889 2288
MY ice 6 9391 11775
observations
open FY ice MY ice
m
d
l
open 92600 2077 1
FY ice 965 55353 2062
MY ice 9 9656 12000

Date: 2022-12-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 92163 1714 1
FY ice 584 56157 2806
MY ice 0 8243 11228
observations
open FY ice MY ice
m
d
l
open 92052 1885 3
FY ice 695 55776 2604
MY ice 0 8453 11428


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