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: 2023-10-05

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-09-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 30381 0 0
FY ice 134 0 0
MY ice 0 0 0
...date precedes bulletin

Date: 2023-10-01:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 30330 944 0
FY ice 265 1776 1
MY ice 9 1365 4069
...date precedes bulletin

Date: 2023-10-03:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 29515 1244 0
FY ice 78 2501 0
MY ice 1 1974 4249
...date precedes bulletin

Date: 2023-10-05:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 28705 1773 0
FY ice 75 2850 11
MY ice 1 1843 4977
observations
open FY ice MY ice
m
d
l
open 28685 1706 0
FY ice 94 2876 15
MY ice 2 1884 4973

Date: 2023-10-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 27383 2611 0
FY ice 60 3352 10
MY ice 0 1322 4678
observations
open FY ice MY ice
m
d
l
open 27374 2377 0
FY ice 69 3571 16
MY ice 0 1337 4672

Date: 2023-10-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 26576 854 0
FY ice 120 4198 22
MY ice 7 3305 3759
observations
open FY ice MY ice
m
d
l
open 26677 2471 0
FY ice 26 4332 37
MY ice 0 1554 3744

Date: 2023-10-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25956 1202 0
FY ice 115 4706 13
MY ice 2 3505 4078
observations
open FY ice MY ice
m
d
l
open 25997 2586 0
FY ice 76 4840 25
MY ice 0 1987 4066

Date: 2023-10-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 25339 1371 0
FY ice 225 5413 25
MY ice 9 2980 4739
observations
open FY ice MY ice
m
d
l
open 25354 2314 0
FY ice 219 5672 17
MY ice 0 1778 4747


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