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: 2023-11-02

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-10-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 20756 1617 0
FY ice 68 9631 434
MY ice 0 2969 7625
...date precedes bulletin

Date: 2023-10-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 19643 2171 0
FY ice 33 10232 583
MY ice 0 2622 7978
...date precedes bulletin

Date: 2023-10-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17954 2235 0
FY ice 92 11143 870
MY ice 17 2232 8624
...date precedes bulletin

Date: 2023-11-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17096 2328 0
FY ice 230 11770 885
MY ice 4 2253 8602
observations
open FY ice MY ice
m
d
l
open 17118 2394 0
FY ice 205 11617 917
MY ice 7 2340 8570

Date: 2023-11-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 16166 2468 0
FY ice 297 12399 1054
MY ice 0 1913 8913
observations
open FY ice MY ice
m
d
l
open 16147 2485 0
FY ice 316 12390 1082
MY ice 0 1905 8885

Date: 2023-11-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 15808 999 0
FY ice 202 13668 1110
MY ice 1 2731 8621
observations
open FY ice MY ice
m
d
l
open 15693 2052 0
FY ice 318 13317 1121
MY ice 0 2029 8610

Date: 2023-11-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14762 1466 0
FY ice 313 14367 1039
MY ice 1 2771 8450
observations
open FY ice MY ice
m
d
l
open 14674 2078 0
FY ice 402 14227 1049
MY ice 0 2299 8440

Date: 2023-11-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14234 1056 0
FY ice 649 15265 1003
MY ice 0 2777 8183
observations
open FY ice MY ice
m
d
l
open 14145 1579 0
FY ice 738 15121 970
MY ice 0 2398 8216


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