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: 2021-11-25

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-11-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 106472 2863 0
FY ice 861 39562 5279
MY ice 9 3314 20763
...date precedes bulletin

Date: 2021-11-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 105564 2571 0
FY ice 741 40548 5344
MY ice 0 3355 20018
...date precedes bulletin

Date: 2021-11-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 105293 1324 0
FY ice 890 41574 5623
MY ice 0 3743 20462
...date precedes bulletin

Date: 2021-11-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 104099 1680 0
FY ice 611 42691 5732
MY ice 0 3732 20368
observations
open FY ice MY ice
m
d
l
open 104098 1693 0
FY ice 612 42484 5606
MY ice 0 3926 20494

Date: 2021-11-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 103012 1977 0
FY ice 634 43145 5742
MY ice 0 3879 20145
observations
open FY ice MY ice
m
d
l
open 102930 1938 0
FY ice 716 43068 5639
MY ice 0 3995 20248

Date: 2021-11-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 103029 1436 0
FY ice 399 43528 5973
MY ice 0 4040 19972
observations
open FY ice MY ice
m
d
l
open 102492 1588 0
FY ice 936 43248 5839
MY ice 0 4168 20106

Date: 2021-12-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 101967 1670 0
FY ice 502 43914 6237
MY ice 0 4200 19637
observations
open FY ice MY ice
m
d
l
open 101713 1799 0
FY ice 756 43630 6292
MY ice 0 4355 19582

Date: 2021-12-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 101060 1682 0
FY ice 733 45321 5838
MY ice 10 4374 19475
observations
open FY ice MY ice
m
d
l
open 100838 1829 0
FY ice 956 44960 5977
MY ice 9 4588 19336


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