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: 2023-11-16

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-11-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14234 1056 0
FY ice 649 15265 1003
MY ice 0 2777 8183
...date precedes bulletin

Date: 2023-11-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 13079 1360 0
FY ice 604 16331 933
MY ice 0 2625 8368
...date precedes bulletin

Date: 2023-11-14:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 13152 696 0
FY ice 246 17593 943
MY ice 1 2811 8087
...date precedes bulletin

Date: 2023-11-16:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 12149 961 0
FY ice 227 18471 1067
MY ice 0 2982 7645
observations
open FY ice MY ice
m
d
l
open 12148 1050 0
FY ice 228 18484 1024
MY ice 0 2880 7688

Date: 2023-11-18:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 11539 1061 0
FY ice 241 19215 1225
MY ice 1 2988 7208
observations
open FY ice MY ice
m
d
l
open 11538 1169 0
FY ice 243 19189 1227
MY ice 0 2906 7206

Date: 2023-11-20:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 11482 277 0
FY ice 163 20061 1348
MY ice 0 3071 7066
observations
open FY ice MY ice
m
d
l
open 11359 818 0
FY ice 286 19742 1417
MY ice 0 2849 6997

Date: 2023-11-22:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 11491 209 0
FY ice 259 20183 1146
MY ice 6 3219 6767
observations
open FY ice MY ice
m
d
l
open 11448 522 0
FY ice 308 20108 1211
MY ice 0 2981 6702

Date: 2023-11-24:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 11062 401 0
FY ice 213 20417 1362
MY ice 1 3221 6820
observations
open FY ice MY ice
m
d
l
open 10995 582 0
FY ice 281 20365 1391
MY ice 0 3092 6791


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