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: 2022-12-22

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-12-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 779 605 0
FY ice 455 28471 521
MY ice 0 3380 8225
...date precedes bulletin

Date: 2022-12-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 592 668 0
FY ice 317 28643 458
MY ice 0 3396 8528
...date precedes bulletin

Date: 2022-12-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 319 424 0
FY ice 166 29024 582
MY ice 0 3498 8211
...date precedes bulletin

Date: 2022-12-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 144 213 0
FY ice 182 29267 559
MY ice 0 3884 7693
observations
open FY ice MY ice
m
d
l
open 131 245 0
FY ice 195 29286 572
MY ice 0 3833 7680

Date: 2022-12-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 194 38 0
FY ice 754 28775 513
MY ice 0 3865 8184
observations
open FY ice MY ice
m
d
l
open 175 45 0
FY ice 773 28813 481
MY ice 0 3820 8216

Date: 2022-12-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 554 176 0
FY ice 528 28160 714
MY ice 0 3642 8965
observations
open FY ice MY ice
m
d
l
open 390 187 0
FY ice 692 28239 652
MY ice 0 3552 9027

Date: 2022-12-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 190 184 0
FY ice 195 28615 958
MY ice 0 3387 8988
observations
open FY ice MY ice
m
d
l
open 163 235 0
FY ice 222 28624 899
MY ice 0 3327 9047

Date: 2022-12-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 73 124 0
FY ice 137 28767 1027
MY ice 0 3269 8824
observations
open FY ice MY ice
m
d
l
open 36 75 0
FY ice 174 28890 954
MY ice 0 3195 8897


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