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: 2017-12-21

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

Model vs. observations, ice type area extent contingency tables

Date: 2017-12-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 1665 772 0
FY ice 200 17009 302
MY ice 0 3650 12191
...date precedes bulletin

Date: 2017-12-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 1135 637 0
FY ice 87 17103 470
MY ice 0 3583 12575
...date precedes bulletin

Date: 2017-12-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 695 158 0
FY ice 143 16995 576
MY ice 0 3543 12780
...date precedes bulletin

Date: 2017-12-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 610 204 0
FY ice 131 16908 550
MY ice 0 3787 12594
observations
open FY ice MY ice
m
d
l
open 580 219 0
FY ice 161 16866 496
MY ice 0 3814 12648

Date: 2017-12-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 587 112 0
FY ice 129 16946 472
MY ice 0 4381 11517
observations
open FY ice MY ice
m
d
l
open 573 121 0
FY ice 143 16906 423
MY ice 0 4412 11566

Date: 2017-12-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 592 240 0
FY ice 31 17370 432
MY ice 0 4312 11508
observations
open FY ice MY ice
m
d
l
open 577 180 0
FY ice 46 17433 391
MY ice 0 4309 11549

Date: 2017-12-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 507 301 0
FY ice 0 17569 437
MY ice 0 4149 11662
observations
open FY ice MY ice
m
d
l
open 456 137 0
FY ice 51 17704 428
MY ice 0 4178 11671

Date: 2017-12-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 340 234 0
FY ice 2 17854 329
MY ice 0 4061 12072
observations
open FY ice MY ice
m
d
l
open 279 150 0
FY ice 63 17948 304
MY ice 0 4051 12097


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