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: 2021-11-18

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-11-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 11161 1425 0
FY ice 65 15257 1891
MY ice 0 1133 10517
...date precedes bulletin

Date: 2021-11-14:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 10560 1428 0
FY ice 187 15500 2193
MY ice 0 1068 10543
...date precedes bulletin

Date: 2021-11-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 10057 1055 0
FY ice 147 15872 2317
MY ice 0 1159 10509
...date precedes bulletin

Date: 2021-11-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 9152 1360 0
FY ice 261 16782 2029
MY ice 0 1402 10245
observations
open FY ice MY ice
m
d
l
open 9205 1374 0
FY ice 208 16723 2043
MY ice 0 1447 10231

Date: 2021-11-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 8715 1164 0
FY ice 228 16670 2512
MY ice 0 1164 10766
observations
open FY ice MY ice
m
d
l
open 8729 1171 0
FY ice 214 16641 2499
MY ice 0 1186 10779

Date: 2021-11-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 8710 203 0
FY ice 178 17584 2072
MY ice 0 1904 10156
observations
open FY ice MY ice
m
d
l
open 8605 809 0
FY ice 283 17314 2047
MY ice 0 1568 10181

Date: 2021-11-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 8781 112 0
FY ice 288 16961 2513
MY ice 0 1757 10741
observations
open FY ice MY ice
m
d
l
open 8743 441 0
FY ice 326 16950 2548
MY ice 0 1439 10706

Date: 2021-11-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 8508 134 0
FY ice 302 16728 2755
MY ice 0 1812 10786
observations
open FY ice MY ice
m
d
l
open 8401 142 0
FY ice 408 17029 2763
MY ice 1 1503 10778


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