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: 2021-05-06

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-04-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21 6 0
FY ice 60 12011 1523
MY ice 24 10153 8474
...date precedes bulletin

Date: 2021-05-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 65 2 0
FY ice 47 12368 1441
MY ice 0 10690 8058
...date precedes bulletin

Date: 2021-05-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 192 2 0
FY ice 56 11726 1811
MY ice 6 10415 8222
...date precedes bulletin

Date: 2021-05-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 303 0 0
FY ice 58 11863 2025
MY ice 10 10213 8317
observations
open FY ice MY ice
m
d
l
open 305 0 0
FY ice 59 11891 2169
MY ice 7 10185 8173

Date: 2021-05-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 310 0 0
FY ice 65 11914 1881
MY ice 61 10371 8159
observations
open FY ice MY ice
m
d
l
open 313 0 0
FY ice 61 11949 1991
MY ice 62 10336 8049

Date: 2021-05-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 337 3 0
FY ice 49 11620 1957
MY ice 22 10307 8191
observations
open FY ice MY ice
m
d
l
open 306 2 0
FY ice 67 11686 2237
MY ice 35 10242 7911

Date: 2021-05-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 347 0 0
FY ice 49 11421 2120
MY ice 92 10255 8152
observations
open FY ice MY ice
m
d
l
open 302 0 0
FY ice 86 11466 2380
MY ice 100 10210 7892

Date: 2021-05-14:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 333 2 0
FY ice 93 11280 1815
MY ice 148 9733 7674
observations
open FY ice MY ice
m
d
l
open 313 8 0
FY ice 112 11237 2064
MY ice 149 9770 7425


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