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: 2023-10-19

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-10-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25339 1371 0
FY ice 225 5413 25
MY ice 9 2980 4739
...date precedes bulletin

Date: 2023-10-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 24424 1817 0
FY ice 492 6047 66
MY ice 27 2585 5754
...date precedes bulletin

Date: 2023-10-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 23914 1073 0
FY ice 128 6930 180
MY ice 1 3401 6221
...date precedes bulletin

Date: 2023-10-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 22824 1817 0
FY ice 46 7301 212
MY ice 0 3742 5801
observations
open FY ice MY ice
m
d
l
open 22829 1791 0
FY ice 41 7244 225
MY ice 0 3825 5788

Date: 2023-10-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21919 1926 0
FY ice 113 8099 254
MY ice 2 3862 5773
observations
open FY ice MY ice
m
d
l
open 21915 1912 0
FY ice 117 8069 260
MY ice 2 3906 5767

Date: 2023-10-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21630 1728 0
FY ice 151 8486 267
MY ice 0 3373 6191
observations
open FY ice MY ice
m
d
l
open 21669 1633 0
FY ice 112 8566 261
MY ice 0 3388 6197

Date: 2023-10-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21318 1744 0
FY ice 144 8840 286
MY ice 0 3260 7044
observations
open FY ice MY ice
m
d
l
open 21366 1626 0
FY ice 96 9023 286
MY ice 0 3195 7044

Date: 2023-10-27:

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
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 0 0
MY ice 0 0 0


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