Description of algorithm
Interpretation of results
Full domain
  Ice type distr., stat.s
  Contingency tables
American sector
European sector
Asian sector

Validation of ice type - Full domain

Bulletin date: 2021-05-06

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

Model vs. observations, ice type area extent contingency tables

Date: 2021-04-30:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 87056 1579 13
FY ice 137 42778 3311
MY ice 24 18964 9375
...date precedes bulletin

Date: 2021-05-02:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 87620 1369 56
FY ice 148 42620 3351
MY ice 0 19525 8983
...date precedes bulletin

Date: 2021-05-04:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88092 1551 0
FY ice 126 42514 3580
MY ice 6 19346 9167
...date precedes bulletin

Date: 2021-05-06:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88485 1573 2
FY ice 141 42545 3662
MY ice 11 19042 9276
observations
open FY ice MY ice
m
d
l
open 88479 1573 2
FY ice 150 42511 3832
MY ice 8 19076 9106

Date: 2021-05-08:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88491 1407 2
FY ice 170 42841 3431
MY ice 63 19095 9160
observations
open FY ice MY ice
m
d
l
open 88478 1390 2
FY ice 183 42847 3572
MY ice 63 19106 9019

Date: 2021-05-10:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 89110 1078 1
FY ice 233 41811 3514
MY ice 30 19076 9214
observations
open FY ice MY ice
m
d
l
open 88976 1266 1
FY ice 334 41717 3814
MY ice 63 18982 8914

Date: 2021-05-12:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88897 1382 0
FY ice 246 40854 3809
MY ice 126 18777 9182
observations
open FY ice MY ice
m
d
l
open 88767 1681 0
FY ice 367 40543 4101
MY ice 135 18789 8890

Date: 2021-05-14:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 88483 1548 0
FY ice 375 41369 3426
MY ice 213 18109 8676
observations
open FY ice MY ice
m
d
l
open 88418 1834 1
FY ice 414 40976 3716
MY ice 239 18216 8385


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