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: 2023-01-26

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-02-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89569 805 0
FY ice 1840 54766 3651
MY ice 0 8718 13406
...date precedes bulletin

Date: 2023-02-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89396 993 0
FY ice 1912 55020 3187
MY ice 0 9163 12502
...date precedes bulletin

Date: 2023-02-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89386 1267 0
FY ice 1469 55315 2696
MY ice 2 9570 12113
...date precedes bulletin

Date: 2023-02-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88863 1312 0
FY ice 1339 55052 3715
MY ice 3 8783 12631
observations
open FY ice MY ice
m
d
l
open 88776 1275 0
FY ice 1426 54968 3661
MY ice 3 8904 12685

Date: 2023-02-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88399 1172 0
FY ice 1313 54706 4378
MY ice 0 8348 13765
observations
open FY ice MY ice
m
d
l
open 88351 1126 0
FY ice 1361 54600 4371
MY ice 0 8500 13772

Date: 2023-02-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88664 876 0
FY ice 1132 55554 4032
MY ice 7 8165 13661
observations
open FY ice MY ice
m
d
l
open 88228 882 0
FY ice 1551 55310 4065
MY ice 24 8403 13628

Date: 2023-02-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88043 977 0
FY ice 998 55358 4024
MY ice 2 8646 12983
observations
open FY ice MY ice
m
d
l
open 87741 1000 0
FY ice 1281 55021 4057
MY ice 21 8960 12950

Date: 2023-02-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 87552 1225 0
FY ice 795 55785 3400
MY ice 1 8321 13560
observations
open FY ice MY ice
m
d
l
open 87313 1446 0
FY ice 1020 55067 3419
MY ice 15 8818 13541


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