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: 2021-12-02

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-11-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 103494 1896 0
FY ice 683 42703 5805
MY ice 0 3770 20295
...date precedes bulletin

Date: 2021-11-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 102767 1728 0
FY ice 823 43444 5739
MY ice 0 3914 20021
...date precedes bulletin

Date: 2021-11-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 102384 1703 0
FY ice 383 43775 6438
MY ice 0 4129 19800
...date precedes bulletin

Date: 2021-12-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 101546 1527 0
FY ice 617 43833 6524
MY ice 0 4271 19728
observations
open FY ice MY ice
m
d
l
open 101488 1510 0
FY ice 675 43680 6450
MY ice 0 4441 19802

Date: 2021-12-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 100908 1427 0
FY ice 817 45997 4748
MY ice 2 4998 18333
observations
open FY ice MY ice
m
d
l
open 100888 1433 0
FY ice 835 45762 4771
MY ice 4 5227 18310

Date: 2021-12-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 100344 1740 0
FY ice 691 47149 4745
MY ice 2 4904 18737
observations
open FY ice MY ice
m
d
l
open 99959 1866 0
FY ice 1076 46934 4860
MY ice 2 4993 18622

Date: 2021-12-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 99021 2383 0
FY ice 741 47942 5104
MY ice 0 5165 18767
observations
open FY ice MY ice
m
d
l
open 98643 2306 0
FY ice 1119 48020 5183
MY ice 0 5164 18688

Date: 2021-12-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 98517 2163 20
FY ice 902 48539 4492
MY ice 0 5688 17420
observations
open FY ice MY ice
m
d
l
open 98172 2082 20
FY ice 1247 48687 4681
MY ice 0 5621 17231


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