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: 2021-11-04

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-10-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 16460 903 0
FY ice 162 9717 1805
MY ice 0 261 11922
...date precedes bulletin

Date: 2021-10-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 15830 1171 0
FY ice 265 9565 1878
MY ice 0 192 12234
...date precedes bulletin

Date: 2021-11-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 15380 1078 0
FY ice 236 10110 1692
MY ice 3 273 11741
...date precedes bulletin

Date: 2021-11-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14539 1383 0
FY ice 365 11563 1611
MY ice 1 406 11483
observations
open FY ice MY ice
m
d
l
open 14529 1378 0
FY ice 374 11566 1704
MY ice 2 408 11390

Date: 2021-11-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 13700 1599 0
FY ice 709 11801 2006
MY ice 0 427 11146
observations
open FY ice MY ice
m
d
l
open 13672 1549 0
FY ice 737 11800 2169
MY ice 0 478 10983

Date: 2021-11-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 12711 1057 0
FY ice 364 12992 2135
MY ice 3 1074 10879
observations
open FY ice MY ice
m
d
l
open 12540 1854 0
FY ice 538 12749 2291
MY ice 0 520 10723

Date: 2021-11-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 12099 1035 0
FY ice 408 13871 2175
MY ice 1 1129 10841
observations
open FY ice MY ice
m
d
l
open 12047 1534 0
FY ice 459 13891 2317
MY ice 2 610 10699

Date: 2021-11-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 11161 1425 0
FY ice 65 15257 1891
MY ice 0 1133 10517
observations
open FY ice MY ice
m
d
l
open 10967 1699 0
FY ice 259 15539 1928
MY ice 0 577 10480


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