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

Validation of ice type - Full domain

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 93108 1483 0
FY ice 550 47949 3444
MY ice 1 9349 16070
...date precedes bulletin

Date: 2020-12-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 92302 1463 0
FY ice 487 48214 3894
MY ice 0 9177 16068
...date precedes bulletin

Date: 2020-12-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91900 847 0
FY ice 297 48348 3612
MY ice 0 9348 15711
...date precedes bulletin

Date: 2020-12-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91748 632 0
FY ice 495 48669 2504
MY ice 1 9720 14163
observations
open FY ice MY ice
m
d
l
open 91766 655 0
FY ice 478 48324 2543
MY ice 0 10042 14124

Date: 2020-12-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91798 453 13
FY ice 875 48561 2013
MY ice 0 9970 14786
observations
open FY ice MY ice
m
d
l
open 91798 449 14
FY ice 875 48284 1953
MY ice 0 10251 14845

Date: 2020-12-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 92260 618 12
FY ice 757 46228 3870
MY ice 5 10312 15005
observations
open FY ice MY ice
m
d
l
open 91916 660 14
FY ice 1106 45865 3871
MY ice 0 10633 15002

Date: 2020-12-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91598 482 9
FY ice 715 44980 4456
MY ice 0 10319 14772
observations
open FY ice MY ice
m
d
l
open 91133 548 8
FY ice 1180 44568 4433
MY ice 0 10665 14796

Date: 2021-01-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 91283 366 10
FY ice 792 44072 4393
MY ice 0 10966 13690
observations
open FY ice MY ice
m
d
l
open 90815 347 10
FY ice 1260 43847 4405
MY ice 0 11210 13678


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