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: 2023-10-26

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-10-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 22451 1847 0
FY ice 113 7659 95
MY ice 0 3891 5358
...date precedes bulletin

Date: 2023-10-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21657 1815 0
FY ice 86 8574 236
MY ice 0 3518 6393
...date precedes bulletin

Date: 2023-10-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21739 1300 0
FY ice 104 8868 244
MY ice 0 3361 6480
...date precedes bulletin

Date: 2023-10-26:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 21235 1370 0
FY ice 111 9348 391
MY ice 0 3430 7059
observations
open FY ice MY ice
m
d
l
open 21233 1449 0
FY ice 113 9289 425
MY ice 0 3410 7025

Date: 2023-10-28:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 20273 1801 0
FY ice 69 9900 513
MY ice 0 2757 7698
observations
open FY ice MY ice
m
d
l
open 20285 1858 0
FY ice 57 9822 536
MY ice 0 2778 7675

Date: 2023-10-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 18820 1591 0
FY ice 50 11035 731
MY ice 1 2654 8305
observations
open FY ice MY ice
m
d
l
open 18855 2628 0
FY ice 16 10320 716
MY ice 0 2332 8320

Date: 2023-11-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17705 2159 0
FY ice 132 11443 826
MY ice 20 2381 8439
observations
open FY ice MY ice
m
d
l
open 17824 2802 0
FY ice 33 10976 823
MY ice 0 2205 8442

Date: 2023-11-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 16722 2285 0
FY ice 251 12172 982
MY ice 1 1996 8872
observations
open FY ice MY ice
m
d
l
open 16829 3127 0
FY ice 145 11421 914
MY ice 0 1905 8940


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