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: 2020-12-24

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

Model vs. observations, ice type area extent contingency tables

Date: 2020-12-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90691 1306 0
FY ice 285 7820 2351
MY ice 0 30 3162
...date precedes bulletin

Date: 2020-12-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90482 1304 0
FY ice 265 8138 2450
MY ice 0 24 3014
...date precedes bulletin

Date: 2020-12-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90435 764 0
FY ice 228 8533 2103
MY ice 0 147 2686
...date precedes bulletin

Date: 2020-12-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90553 570 0
FY ice 419 8987 1203
MY ice 1 320 1898
observations
open FY ice MY ice
m
d
l
open 90572 607 0
FY ice 401 8819 1203
MY ice 0 451 1898

Date: 2020-12-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90835 446 13
FY ice 779 9027 738
MY ice 0 130 2284
observations
open FY ice MY ice
m
d
l
open 90835 441 14
FY ice 779 8904 699
MY ice 0 258 2322

Date: 2020-12-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91356 591 12
FY ice 651 7431 2310
MY ice 5 365 2128
observations
open FY ice MY ice
m
d
l
open 91034 631 14
FY ice 978 7286 2312
MY ice 0 470 2124

Date: 2020-12-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90923 477 9
FY ice 653 6632 2775
MY ice 0 29 2151
observations
open FY ice MY ice
m
d
l
open 90468 540 8
FY ice 1108 6528 2756
MY ice 0 70 2171

Date: 2021-01-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 90624 363 10
FY ice 612 6369 2827
MY ice 0 36 2022
observations
open FY ice MY ice
m
d
l
open 90205 342 10
FY ice 1031 6352 2734
MY ice 0 74 2115


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