Description of algorithm
Interpretation of results
Full domain
American sector
European sector
  Ice type distr., stat.s
  Contingency tables
Asian sector

Validation of ice type - European sector

Bulletin date: 2021-11-25

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-11-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 95446 1197 0
FY ice 407 4256 1101
MY ice 0 147 5393
...date precedes bulletin

Date: 2021-11-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 94848 1413 0
FY ice 240 4567 1494
MY ice 0 98 5357
...date precedes bulletin

Date: 2021-11-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 94547 1019 0
FY ice 253 5147 1507
MY ice 0 51 5336
...date precedes bulletin

Date: 2021-11-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 93955 1219 0
FY ice 280 5408 1504
MY ice 0 24 5295
observations
open FY ice MY ice
m
d
l
open 93984 1205 0
FY ice 251 5391 1315
MY ice 0 55 5484

Date: 2021-11-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 93539 1268 0
FY ice 300 5684 1449
MY ice 0 32 5294
observations
open FY ice MY ice
m
d
l
open 93540 1263 0
FY ice 299 5680 1243
MY ice 0 41 5500

Date: 2021-11-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 93535 999 0
FY ice 194 6065 1447
MY ice 0 38 5260
observations
open FY ice MY ice
m
d
l
open 93302 1040 0
FY ice 427 6025 1225
MY ice 0 37 5482

Date: 2021-12-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 92966 1212 0
FY ice 274 6557 1095
MY ice 0 46 4888
observations
open FY ice MY ice
m
d
l
open 92791 1259 0
FY ice 449 6497 1090
MY ice 0 59 4893

Date: 2021-12-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 92526 1399 0
FY ice 341 7291 926
MY ice 0 100 4644
observations
open FY ice MY ice
m
d
l
open 92263 1328 0
FY ice 604 7352 873
MY ice 0 110 4697


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