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: 2023-10-19

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-10-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 140062 2385 0
FY ice 825 13076 412
MY ice 58 4901 9740
...date precedes bulletin

Date: 2023-10-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 137993 3327 0
FY ice 1261 14323 412
MY ice 95 4317 11452
...date precedes bulletin

Date: 2023-10-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 135872 2625 0
FY ice 587 17103 865
MY ice 15 4710 13958
...date precedes bulletin

Date: 2023-10-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 131466 5699 0
FY ice 402 18748 1095
MY ice 12 5147 12330
observations
open FY ice MY ice
m
d
l
open 131397 5498 0
FY ice 470 18764 1110
MY ice 13 5332 12315

Date: 2023-10-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 129486 5256 0
FY ice 1161 21196 1300
MY ice 38 5836 11894
observations
open FY ice MY ice
m
d
l
open 129212 4970 0
FY ice 1432 21393 1150
MY ice 41 5925 12044

Date: 2023-10-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 127202 5251 0
FY ice 1260 22775 1672
MY ice 4 5306 11925
observations
open FY ice MY ice
m
d
l
open 127369 5182 0
FY ice 1094 22810 1655
MY ice 3 5340 11942

Date: 2023-10-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 125088 4828 0
FY ice 743 25595 1946
MY ice 0 4675 14461
observations
open FY ice MY ice
m
d
l
open 125106 5663 0
FY ice 724 24794 2042
MY ice 1 4641 14365

Date: 2023-10-27:

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
observations
open FY ice MY ice
m
d
l
open 0 0 0
FY ice 0 0 0
MY ice 0 0 0


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