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: 2021-10-21

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 133393 3473 0
FY ice 645 14338 2749
MY ice 8 928 23661
...date precedes bulletin

Date: 2021-10-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 130270 4746 0
FY ice 694 16248 3137
MY ice 4 921 23769
...date precedes bulletin

Date: 2021-10-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 127848 3662 0
FY ice 478 18596 3695
MY ice 7 1536 23895
...date precedes bulletin

Date: 2021-10-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 125598 4745 0
FY ice 907 19791 4133
MY ice 3 1427 24069
observations
open FY ice MY ice
m
d
l
open 125628 4659 0
FY ice 873 19673 4298
MY ice 7 1631 23904

Date: 2021-10-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 123773 4914 0
FY ice 787 22386 3474
MY ice 1 1490 23152
observations
open FY ice MY ice
m
d
l
open 123806 4818 0
FY ice 751 22302 3650
MY ice 4 1670 22976

Date: 2021-10-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 121568 2358 0
FY ice 312 24658 4266
MY ice 2 2860 22407
observations
open FY ice MY ice
m
d
l
open 121384 4896 0
FY ice 497 23300 4397
MY ice 1 1680 22276

Date: 2021-10-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 120149 2537 0
FY ice 322 25454 4776
MY ice 3 2857 22802
observations
open FY ice MY ice
m
d
l
open 119798 4249 0
FY ice 661 24904 4911
MY ice 15 1695 22667

Date: 2021-10-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 118884 2654 0
FY ice 349 26041 5087
MY ice 4 2604 23020
observations
open FY ice MY ice
m
d
l
open 118504 3933 0
FY ice 681 25943 5224
MY ice 52 1423 22883


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