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: 2022-04-28

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

Model vs. observations, ice type area extent contingency tables

Date: 2022-04-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 3 6 13
FY ice 6 16910 355
MY ice 13 14854 8695
...date precedes bulletin

Date: 2022-04-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 3 5 0
FY ice 11 17030 299
MY ice 0 15054 8538
...date precedes bulletin

Date: 2022-04-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 6 4 0
FY ice 77 17144 251
MY ice 57 15240 8122
...date precedes bulletin

Date: 2022-04-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 10 6 0
FY ice 213 17172 230
MY ice 13 15740 8032
observations
open FY ice MY ice
m
d
l
open 7 7 0
FY ice 216 17260 222
MY ice 13 15651 8040

Date: 2022-04-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 8 17 0
FY ice 151 17171 168
MY ice 71 16214 7602
observations
open FY ice MY ice
m
d
l
open 8 20 0
FY ice 153 17292 168
MY ice 69 16090 7602

Date: 2022-05-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 15 0 0
FY ice 164 0 0
MY ice 160 0 0
observations
open FY ice MY ice
m
d
l
open 6 0 0
FY ice 168 0 0
MY ice 165 0 0

Date: 2022-05-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 9 0 0
FY ice 238 0 0
MY ice 272 0 0
observations
open FY ice MY ice
m
d
l
open 3 0 0
FY ice 219 0 0
MY ice 297 0 0

Date: 2022-05-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 15 0 0
FY ice 264 0 0
MY ice 207 0 0
observations
open FY ice MY ice
m
d
l
open 3 0 0
FY ice 251 0 0
MY ice 232 0 0


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