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: 2023-04-27

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-04-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 4 2 0
FY ice 129 21790 400
MY ice 13 7980 7696
...date precedes bulletin

Date: 2023-04-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 0 0
MY ice 0 0 0
...date precedes bulletin

Date: 2023-04-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 9 0 0
FY ice 88 21621 317
MY ice 14 8326 7318
...date precedes bulletin

Date: 2023-04-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14 4 0
FY ice 90 21351 336
MY ice 21 7981 7372
observations
open FY ice MY ice
m
d
l
open 14 4 0
FY ice 92 21230 290
MY ice 19 8102 7418

Date: 2023-04-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 12 19 0
FY ice 80 20447 445
MY ice 26 7662 7282
observations
open FY ice MY ice
m
d
l
open 15 18 0
FY ice 78 20265 383
MY ice 25 7845 7344

Date: 2023-05-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 40 0 0
FY ice 177 0 0
MY ice 3 0 0
observations
open FY ice MY ice
m
d
l
open 10 0 0
FY ice 184 0 0
MY ice 26 0 0

Date: 2023-05-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 65 0 0
FY ice 236 0 0
MY ice 54 0 0
observations
open FY ice MY ice
m
d
l
open 18 0 0
FY ice 252 0 0
MY ice 85 0 0

Date: 2023-05-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 81 0 0
FY ice 320 0 0
MY ice 66 0 0
observations
open FY ice MY ice
m
d
l
open 65 0 0
FY ice 268 0 0
MY ice 134 0 0


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