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: 2021-12-09

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-12-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 101060 1682 0
FY ice 733 45321 5838
MY ice 10 4374 19475
...date precedes bulletin

Date: 2021-12-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 100658 1507 0
FY ice 915 46328 4767
MY ice 0 5261 18303
...date precedes bulletin

Date: 2021-12-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 99574 2069 0
FY ice 649 47620 4751
MY ice 2 5007 18772
...date precedes bulletin

Date: 2021-12-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 98499 2534 19
FY ice 650 48390 4777
MY ice 0 5449 17941
observations
open FY ice MY ice
m
d
l
open 98500 2585 19
FY ice 649 48145 4943
MY ice 0 5643 17775

Date: 2021-12-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 97913 2452 0
FY ice 823 48306 4859
MY ice 4 5524 17447
observations
open FY ice MY ice
m
d
l
open 97917 2465 0
FY ice 818 48078 4936
MY ice 5 5739 17370

Date: 2021-12-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 97742 1634 3
FY ice 552 48880 5729
MY ice 3 5713 17953
observations
open FY ice MY ice
m
d
l
open 97363 2381 3
FY ice 930 48200 5752
MY ice 4 5646 17930

Date: 2021-12-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 96737 1841 40
FY ice 631 49889 5033
MY ice 7 5939 17382
observations
open FY ice MY ice
m
d
l
open 96429 2464 45
FY ice 942 49188 5006
MY ice 4 6017 17404

Date: 2021-12-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 96393 1686 0
FY ice 828 50170 4835
MY ice 8 6444 16917
observations
open FY ice MY ice
m
d
l
open 96081 2198 0
FY ice 1134 49483 4688
MY ice 14 6619 17064


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