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: 2020-04-23

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

Model vs. observations, ice type area extent contingency tables

Date: 2020-04-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 11 0
FY ice 58 19185 266
MY ice 0 5435 9468
...date precedes bulletin

Date: 2020-04-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 10 0
FY ice 0 18975 451
MY ice 0 5709 9169
...date precedes bulletin

Date: 2020-04-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 1
FY ice 0 19125 301
MY ice 0 6004 9092
...date precedes bulletin

Date: 2020-04-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 1 0 0
FY ice 8 19137 281
MY ice 0 5529 9589
observations
open FY ice MY ice
m
d
l
open 1 0 0
FY ice 8 19177 293
MY ice 0 5489 9577

Date: 2020-04-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25 0 0
FY ice 103 19318 304
MY ice 0 5434 9688
observations
open FY ice MY ice
m
d
l
open 23 0 0
FY ice 105 19322 318
MY ice 0 5430 9674

Date: 2020-04-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 113 0 0
FY ice 20 19426 260
MY ice 0 5428 9430
observations
open FY ice MY ice
m
d
l
open 9 0 0
FY ice 124 19443 269
MY ice 0 5411 9421

Date: 2020-04-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 129 0 0
FY ice 13 19459 199
MY ice 0 5556 9064
observations
open FY ice MY ice
m
d
l
open 6 1 0
FY ice 136 19576 210
MY ice 0 5438 9053

Date: 2020-05-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 122 1 0
FY ice 8 19707 130
MY ice 2 5779 8587
observations
open FY ice MY ice
m
d
l
open 20 1 0
FY ice 110 19734 142
MY ice 2 5752 8575


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