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: 2023-05-04

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-04-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86467 1880 171
FY ice 804 55111 1579
MY ice 90 14303 9943
...date precedes bulletin

Date: 2023-04-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86681 1763 163
FY ice 706 51204 1444
MY ice 56 13793 9735
...date precedes bulletin

Date: 2023-05-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86821 0 0
FY ice 641 0 0
MY ice 23 0 0
...date precedes bulletin

Date: 2023-05-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86141 0 0
FY ice 646 0 0
MY ice 65 0 0
observations
open FY ice MY ice
m
d
l
open 86148 0 0
FY ice 621 0 0
MY ice 83 0 0

Date: 2023-05-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86228 0 0
FY ice 583 0 0
MY ice 68 0 0
observations
open FY ice MY ice
m
d
l
open 86233 0 0
FY ice 559 0 0
MY ice 87 0 0

Date: 2023-05-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 87114 0 0
FY ice 630 0 0
MY ice 63 0 0
observations
open FY ice MY ice
m
d
l
open 86940 0 0
FY ice 777 0 0
MY ice 90 0 0

Date: 2023-05-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 87853 0 0
FY ice 703 0 0
MY ice 135 0 0
observations
open FY ice MY ice
m
d
l
open 87661 0 0
FY ice 859 0 0
MY ice 171 0 0

Date: 2023-05-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88171 0 0
FY ice 936 0 0
MY ice 138 0 0
observations
open FY ice MY ice
m
d
l
open 87978 0 0
FY ice 1084 0 0
MY ice 183 0 0


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