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: 2021-04-29

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-04-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 14 0
FY ice 3 11684 1429
MY ice 1 10640 9494
...date precedes bulletin

Date: 2021-04-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 1 15 0
FY ice 3 11898 1384
MY ice 3 10450 9216
...date precedes bulletin

Date: 2021-04-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 1 0
FY ice 22 11744 1433
MY ice 7 10105 9457
...date precedes bulletin

Date: 2021-04-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 6 1 0
FY ice 41 11941 1479
MY ice 28 10188 8911
observations
open FY ice MY ice
m
d
l
open 7 0 0
FY ice 36 12036 1610
MY ice 32 10094 8780

Date: 2021-05-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 30 7 0
FY ice 51 12012 1530
MY ice 2 10356 8079
observations
open FY ice MY ice
m
d
l
open 35 2 0
FY ice 46 12089 1656
MY ice 2 10284 7953

Date: 2021-05-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 146 5 0
FY ice 36 11812 1332
MY ice 0 10684 8179
observations
open FY ice MY ice
m
d
l
open 144 0 0
FY ice 34 11940 1592
MY ice 4 10561 7919

Date: 2021-05-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 248 0 0
FY ice 62 11804 1962
MY ice 8 10214 8329
observations
open FY ice MY ice
m
d
l
open 240 0 0
FY ice 70 11903 2185
MY ice 8 10115 8106

Date: 2021-05-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 349 0 0
FY ice 72 12072 1956
MY ice 42 10380 8153
observations
open FY ice MY ice
m
d
l
open 336 0 0
FY ice 76 12202 2110
MY ice 51 10250 7999


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