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: 2018-10-25

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

Model vs. observations, ice type area extent contingency tables

Date: 2018-10-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 18294 3347 34
FY ice 69 4580 3878
MY ice 0 151 13459
...date precedes bulletin

Date: 2018-10-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 17568 3225 79
FY ice 54 4197 4701
MY ice 0 64 13527
...date precedes bulletin

Date: 2018-10-23:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 16773 3004 1
FY ice 117 6445 3957
MY ice 0 132 13334
...date precedes bulletin

Date: 2018-10-25:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 16127 2581 0
FY ice 279 7903 3555
MY ice 0 256 13096
observations
open FY ice MY ice
m
d
l
open 16151 2603 0
FY ice 255 7882 3412
MY ice 0 255 13239

Date: 2018-10-27:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 15300 2645 0
FY ice 344 9313 3243
MY ice 0 344 12861
observations
open FY ice MY ice
m
d
l
open 15304 2739 0
FY ice 340 9204 3089
MY ice 0 359 13015

Date: 2018-10-29:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14448 2501 0
FY ice 50 10496 3216
MY ice 0 637 12793
observations
open FY ice MY ice
m
d
l
open 14300 2631 0
FY ice 198 10611 3100
MY ice 0 392 12909

Date: 2018-10-31:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14394 2125 0
FY ice 40 11348 3236
MY ice 0 613 12618
observations
open FY ice MY ice
m
d
l
open 14172 2335 0
FY ice 262 11304 3185
MY ice 0 447 12669

Date: 2018-11-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 14071 1759 0
FY ice 74 12117 3257
MY ice 0 558 12349
observations
open FY ice MY ice
m
d
l
open 13947 1937 0
FY ice 198 11999 3164
MY ice 0 498 12442


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