Description of algorithm
Interpretation of results
Full domain
American sector
European sector
  Ice type distr., stat.s
  Contingency tables
Asian sector

Validation of ice type - European sector

Bulletin date: 2021-04-22

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-04-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85752 1598 0
FY ice 156 11479 2059
MY ice 0 260 919
...date precedes bulletin

Date: 2021-04-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86162 1198 2
FY ice 282 11869 1595
MY ice 0 275 1003
...date precedes bulletin

Date: 2021-04-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 87063 1084 0
FY ice 117 11373 1642
MY ice 0 242 1032
...date precedes bulletin

Date: 2021-04-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 87295 977 0
FY ice 73 11102 1920
MY ice 0 242 1022
observations
open FY ice MY ice
m
d
l
open 87293 968 0
FY ice 75 11078 2003
MY ice 0 275 939

Date: 2021-04-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86700 1467 0
FY ice 50 11474 1959
MY ice 0 255 1018
observations
open FY ice MY ice
m
d
l
open 86700 1454 0
FY ice 50 11483 2060
MY ice 0 259 917

Date: 2021-04-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86677 1138 0
FY ice 21 11470 1611
MY ice 0 243 907
observations
open FY ice MY ice
m
d
l
open 86645 1310 0
FY ice 53 11295 1636
MY ice 0 246 882

Date: 2021-04-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86591 1584 1
FY ice 26 10897 2092
MY ice 0 233 970
observations
open FY ice MY ice
m
d
l
open 86561 1741 14
FY ice 56 10728 2129
MY ice 0 245 920

Date: 2021-04-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86958 1431 13
FY ice 75 11081 1786
MY ice 0 264 898
observations
open FY ice MY ice
m
d
l
open 86920 1630 24
FY ice 113 10860 1852
MY ice 0 286 821


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