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: 2021-10-21

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-10-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 18493 616 0
FY ice 307 8371 1460
MY ice 0 403 11782
...date precedes bulletin

Date: 2021-10-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17721 938 0
FY ice 251 8836 1554
MY ice 2 462 11914
...date precedes bulletin

Date: 2021-10-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17488 743 0
FY ice 130 9216 1714
MY ice 7 483 11909
...date precedes bulletin

Date: 2021-10-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17861 361 0
FY ice 468 9105 1988
MY ice 0 385 12403
observations
open FY ice MY ice
m
d
l
open 17849 362 0
FY ice 480 9066 1994
MY ice 0 423 12397

Date: 2021-10-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17634 447 0
FY ice 442 10375 1000
MY ice 0 560 11656
observations
open FY ice MY ice
m
d
l
open 17644 444 0
FY ice 432 10329 1034
MY ice 0 609 11622

Date: 2021-10-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17249 686 0
FY ice 114 9525 1610
MY ice 1 504 11069
observations
open FY ice MY ice
m
d
l
open 17034 774 0
FY ice 329 9231 1654
MY ice 1 710 11025

Date: 2021-10-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17016 667 0
FY ice 161 9741 1796
MY ice 1 495 11560
observations
open FY ice MY ice
m
d
l
open 16704 730 0
FY ice 473 9478 1903
MY ice 1 695 11453

Date: 2021-10-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 16460 903 0
FY ice 162 9717 1805
MY ice 0 261 11922
observations
open FY ice MY ice
m
d
l
open 16187 966 0
FY ice 435 9392 2059
MY ice 0 523 11668


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