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: 2022-10-27

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-10-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 19838 1465 0
FY ice 385 9355 313
MY ice 14 1105 10888
...date precedes bulletin

Date: 2022-10-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 18752 2051 0
FY ice 405 9725 411
MY ice 1 1007 11332
...date precedes bulletin

Date: 2022-10-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17937 1732 0
FY ice 97 11116 303
MY ice 0 1234 10794
...date precedes bulletin

Date: 2022-10-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17187 1773 0
FY ice 184 11705 430
MY ice 0 1088 11387
observations
open FY ice MY ice
m
d
l
open 17167 1828 0
FY ice 204 11817 471
MY ice 0 921 11346

Date: 2022-10-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 15734 2292 0
FY ice 357 12433 616
MY ice 0 979 11409
observations
open FY ice MY ice
m
d
l
open 15742 2348 0
FY ice 349 12505 671
MY ice 0 851 11354

Date: 2022-10-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14787 1107 0
FY ice 256 14010 690
MY ice 0 1318 11599
observations
open FY ice MY ice
m
d
l
open 14733 2444 0
FY ice 310 13237 743
MY ice 0 754 11546

Date: 2022-11-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14120 937 0
FY ice 323 15005 721
MY ice 0 1311 11499
observations
open FY ice MY ice
m
d
l
open 14022 1938 0
FY ice 421 14423 784
MY ice 0 892 11436

Date: 2022-11-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 13649 751 0
FY ice 592 15125 921
MY ice 0 1092 11660
observations
open FY ice MY ice
m
d
l
open 13402 1102 0
FY ice 839 15075 1106
MY ice 0 791 11475


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