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: 2021-03-25

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-03-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 83855 668 9
FY ice 219 43239 5132
MY ice 0 17382 12290
...date precedes bulletin

Date: 2021-03-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 83951 620 3
FY ice 504 42535 5279
MY ice 6 17316 12848
...date precedes bulletin

Date: 2021-03-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84059 740 0
FY ice 510 41898 5895
MY ice 5 17394 12736
...date precedes bulletin

Date: 2021-03-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 83988 469 1
FY ice 576 41643 6225
MY ice 0 17402 12980
observations
open FY ice MY ice
m
d
l
open 83974 473 1
FY ice 590 41576 6262
MY ice 0 17465 12943

Date: 2021-03-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84337 673 0
FY ice 433 42166 6098
MY ice 0 17455 13025
observations
open FY ice MY ice
m
d
l
open 84314 661 0
FY ice 456 42122 6146
MY ice 0 17511 12977

Date: 2021-03-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85052 459 8
FY ice 604 42498 4938
MY ice 0 17520 12963
observations
open FY ice MY ice
m
d
l
open 84591 407 13
FY ice 1065 42535 4979
MY ice 0 17535 12917

Date: 2021-03-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84874 626 0
FY ice 862 42894 4192
MY ice 0 17968 12434
observations
open FY ice MY ice
m
d
l
open 84503 583 0
FY ice 1233 42867 4254
MY ice 0 18038 12372

Date: 2021-04-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84017 910 2
FY ice 638 42853 4959
MY ice 0 18048 12532
observations
open FY ice MY ice
m
d
l
open 83745 813 1
FY ice 910 42809 5039
MY ice 0 18189 12453


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