Description of algorithm
Interpretation of results
Full domain
American sector
European sector
  Ice type distr., stat.s
  Contingency tables
Asian sector

Validation of ice type - European sector

Bulletin date: 2021-12-23

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-12-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91760 846 0
FY ice 290 8637 1386
MY ice 8 278 3501
...date precedes bulletin

Date: 2021-12-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91645 819 2
FY ice 491 8066 1923
MY ice 11 209 3578
...date precedes bulletin

Date: 2021-12-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91153 898 42
FY ice 256 8262 2820
MY ice 14 154 3682
...date precedes bulletin

Date: 2021-12-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90606 895 13
FY ice 308 8631 3106
MY ice 4 179 3129
observations
open FY ice MY ice
m
d
l
open 90585 892 13
FY ice 329 8621 2782
MY ice 4 192 3453

Date: 2021-12-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90539 856 29
FY ice 528 8494 3313
MY ice 9 193 2917
observations
open FY ice MY ice
m
d
l
open 90515 859 29
FY ice 553 8483 3032
MY ice 8 201 3198

Date: 2021-12-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90353 802 5
FY ice 395 8547 2776
MY ice 8 172 2872
observations
open FY ice MY ice
m
d
l
open 90212 955 19
FY ice 539 8400 2532
MY ice 5 166 3102

Date: 2021-12-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89654 1041 10
FY ice 323 9137 3194
MY ice 5 168 2910
observations
open FY ice MY ice
m
d
l
open 89469 1167 32
FY ice 509 9021 2902
MY ice 4 158 3180

Date: 2021-12-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89395 1044 4
FY ice 518 9053 3254
MY ice 7 158 2856
observations
open FY ice MY ice
m
d
l
open 89091 1236 15
FY ice 823 8879 3088
MY ice 6 140 3011


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