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: 2021-03-25

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 83848 643 9
FY ice 219 12571 2562
MY ice 0 88 968
...date precedes bulletin

Date: 2021-03-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 83897 619 3
FY ice 430 12057 2679
MY ice 5 88 1010
...date precedes bulletin

Date: 2021-03-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84000 724 0
FY ice 388 11638 3180
MY ice 5 103 1000
...date precedes bulletin

Date: 2021-03-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 83938 451 1
FY ice 498 11372 3562
MY ice 0 95 1023
observations
open FY ice MY ice
m
d
l
open 83925 450 1
FY ice 511 11356 3513
MY ice 0 112 1072

Date: 2021-03-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84295 637 0
FY ice 404 11778 3363
MY ice 0 91 1032
observations
open FY ice MY ice
m
d
l
open 84271 625 0
FY ice 428 11782 3314
MY ice 0 99 1081

Date: 2021-03-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84997 433 8
FY ice 565 12138 2323
MY ice 0 96 947
observations
open FY ice MY ice
m
d
l
open 84542 392 13
FY ice 1020 12177 2277
MY ice 0 98 988

Date: 2021-03-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 84830 585 0
FY ice 801 12757 1673
MY ice 0 97 881
observations
open FY ice MY ice
m
d
l
open 84452 554 0
FY ice 1179 12777 1628
MY ice 0 108 926

Date: 2021-04-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 83996 860 2
FY ice 558 12585 2497
MY ice 0 107 932
observations
open FY ice MY ice
m
d
l
open 83720 776 1
FY ice 834 12657 2451
MY ice 0 119 979


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