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: 2018-05-03

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

Model vs. observations, ice type area extent contingency tables

Date: 2018-04-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 108 102 0
FY ice 113 14018 298
MY ice 0 8316 9885
...date precedes bulletin

Date: 2018-04-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 126 103 0
FY ice 265 13906 363
MY ice 0 8296 9822
...date precedes bulletin

Date: 2018-05-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 241 142 0
FY ice 179 13609 341
MY ice 0 8439 9305
...date precedes bulletin

Date: 2018-05-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 226 189 0
FY ice 142 13635 343
MY ice 11 8726 9022
observations
open FY ice MY ice
m
d
l
open 218 169 0
FY ice 148 13791 353
MY ice 13 8590 9012

Date: 2018-05-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 244 71 0
FY ice 104 13449 287
MY ice 3 9017 8730
observations
open FY ice MY ice
m
d
l
open 238 69 0
FY ice 109 13598 292
MY ice 4 8870 8725

Date: 2018-05-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 279 180 0
FY ice 58 13048 346
MY ice 0 10124 7782
observations
open FY ice MY ice
m
d
l
open 228 113 0
FY ice 109 13270 352
MY ice 0 9969 7776

Date: 2018-05-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 300 141 0
FY ice 35 12869 350
MY ice 0 9523 7862
observations
open FY ice MY ice
m
d
l
open 276 103 0
FY ice 59 12995 350
MY ice 0 9435 7862

Date: 2018-05-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 488 53 0
FY ice 306 12332 309
MY ice 26 9188 7872
observations
open FY ice MY ice
m
d
l
open 448 33 0
FY ice 347 12265 240
MY ice 25 9275 7941


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