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: 2023-04-27

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-04-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86292 1591 91
FY ice 591 56640 1821
MY ice 62 14213 10446
...date precedes bulletin

Date: 2023-04-23:

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

Date: 2023-04-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86156 1696 125
FY ice 794 56007 1362
MY ice 118 14949 9638
...date precedes bulletin

Date: 2023-04-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86084 2103 107
FY ice 805 55244 1435
MY ice 118 14405 9611
observations
open FY ice MY ice
m
d
l
open 86116 2106 106
FY ice 773 54823 1367
MY ice 118 14823 9680

Date: 2023-04-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86656 1725 184
FY ice 704 53011 1720
MY ice 68 14033 9742
observations
open FY ice MY ice
m
d
l
open 86677 1739 182
FY ice 686 52517 1627
MY ice 65 14513 9837

Date: 2023-05-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86863 0 0
FY ice 590 0 0
MY ice 16 0 0
observations
open FY ice MY ice
m
d
l
open 86618 0 0
FY ice 813 0 0
MY ice 38 0 0

Date: 2023-05-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86478 0 0
FY ice 629 0 0
MY ice 62 0 0
observations
open FY ice MY ice
m
d
l
open 86198 0 0
FY ice 872 0 0
MY ice 99 0 0

Date: 2023-05-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86079 0 0
FY ice 590 0 0
MY ice 68 0 0
observations
open FY ice MY ice
m
d
l
open 85952 0 0
FY ice 640 0 0
MY ice 145 0 0


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