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: 2021-04-15

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-04-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 12 10913 2134
MY ice 6 9985 11442
...date precedes bulletin

Date: 2021-04-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 22 11024 2063
MY ice 6 10000 11454
...date precedes bulletin

Date: 2021-04-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 27 11254 1935
MY ice 0 10144 10738
...date precedes bulletin

Date: 2021-04-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 7 0 0
FY ice 20 11543 1769
MY ice 5 10557 9726
observations
open FY ice MY ice
m
d
l
open 6 0 0
FY ice 21 11602 1921
MY ice 5 10498 9574

Date: 2021-04-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 19 1 0
FY ice 36 11587 1708
MY ice 15 10991 9380
observations
open FY ice MY ice
m
d
l
open 13 0 0
FY ice 43 11624 1896
MY ice 14 10955 9192

Date: 2021-04-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 4 5 0
FY ice 14 11785 1374
MY ice 5 11324 8629
observations
open FY ice MY ice
m
d
l
open 2 22 0
FY ice 16 11892 1524
MY ice 5 11200 8479

Date: 2021-04-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 4 0
FY ice 10 11667 1387
MY ice 8 10474 9567
observations
open FY ice MY ice
m
d
l
open 0 9 0
FY ice 7 11788 1520
MY ice 11 10348 9434

Date: 2021-04-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 0 14 0
FY ice 3 11684 1429
MY ice 1 10640 9494
observations
open FY ice MY ice
m
d
l
open 0 5 0
FY ice 2 11770 1511
MY ice 2 10563 9412


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