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: 2021-12-30

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-12-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91362 1722 34
FY ice 945 53326 6622
MY ice 6 7906 15697
...date precedes bulletin

Date: 2021-12-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91200 1539 25
FY ice 1204 52051 7008
MY ice 8 7240 15870
...date precedes bulletin

Date: 2021-12-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90462 1099 12
FY ice 898 52782 7232
MY ice 5 7822 16213
...date precedes bulletin

Date: 2021-12-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89735 1159 6
FY ice 868 52467 7958
MY ice 3 7985 16042
observations
open FY ice MY ice
m
d
l
open 89726 1145 6
FY ice 877 52532 7416
MY ice 3 7934 16584

Date: 2022-01-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89397 1052 12
FY ice 1096 53015 8134
MY ice 2 8167 15979
observations
open FY ice MY ice
m
d
l
open 89399 1046 11
FY ice 1094 53061 7606
MY ice 2 8127 16508

Date: 2022-01-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89663 1093 0
FY ice 866 53495 7314
MY ice 2 8963 15110
observations
open FY ice MY ice
m
d
l
open 89214 1108 0
FY ice 1316 53633 6767
MY ice 1 8810 15657

Date: 2022-01-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88781 1261 1
FY ice 875 54664 7386
MY ice 0 9585 14835
observations
open FY ice MY ice
m
d
l
open 88538 1303 2
FY ice 1117 54771 6951
MY ice 1 9436 15269

Date: 2022-01-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88587 1029 0
FY ice 908 54073 8248
MY ice 0 8796 15750
observations
open FY ice MY ice
m
d
l
open 88466 1193 0
FY ice 1027 53971 7664
MY ice 2 8734 16334


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