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: 2021-03-25

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-03-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 11210 2211
MY ice 0 9602 11168
...date precedes bulletin

Date: 2021-03-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 7 11034 2187
MY ice 1 9557 11723
...date precedes bulletin

Date: 2021-03-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10881 2150
MY ice 0 9652 11634
...date precedes bulletin

Date: 2021-03-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10797 2162
MY ice 0 9640 11849
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10806 2280
MY ice 0 9631 11731

Date: 2021-03-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10766 2194
MY ice 0 9743 11897
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10790 2325
MY ice 0 9719 11766

Date: 2021-03-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10777 2155
MY ice 0 9770 11921
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10812 2271
MY ice 0 9735 11805

Date: 2021-03-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10465 2210
MY ice 0 10072 11520
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10511 2337
MY ice 0 10026 11393

Date: 2021-04-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10465 2155
MY ice 0 10145 11555
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 10398 2309
MY ice 0 10212 11401


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