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: 2023-05-04

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-04-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 16 15 0
FY ice 66 21431 394
MY ice 10 7889 7390
...date precedes bulletin

Date: 2023-04-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 10 13 0
FY ice 75 18891 381
MY ice 24 7383 7201
...date precedes bulletin

Date: 2023-05-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 59 0 0
FY ice 216 0 0
MY ice 15 0 0
...date precedes bulletin

Date: 2023-05-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 82 0 0
FY ice 345 0 0
MY ice 53 0 0
observations
open FY ice MY ice
m
d
l
open 80 0 0
FY ice 330 0 0
MY ice 70 0 0

Date: 2023-05-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90 0 0
FY ice 392 0 0
MY ice 68 0 0
observations
open FY ice MY ice
m
d
l
open 82 0 0
FY ice 381 0 0
MY ice 87 0 0

Date: 2023-05-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 230 0 0
FY ice 460 0 0
MY ice 57 0 0
observations
open FY ice MY ice
m
d
l
open 130 0 0
FY ice 533 0 0
MY ice 84 0 0

Date: 2023-05-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 218 0 0
FY ice 386 0 0
MY ice 107 0 0
observations
open FY ice MY ice
m
d
l
open 113 0 0
FY ice 481 0 0
MY ice 117 0 0

Date: 2023-05-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 245 0 0
FY ice 564 0 0
MY ice 131 0 0
observations
open FY ice MY ice
m
d
l
open 169 0 0
FY ice 598 0 0
MY ice 173 0 0


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