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

Validation of ice type - European sector

Bulletin date: 2023-04-13

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

Model vs. observations, ice type area extent contingency tables

Date: 2023-04-07:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85144 1479 0
FY ice 488 12245 504
MY ice 0 521 3551
...date precedes bulletin

Date: 2023-04-09:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85253 1487 1
FY ice 515 13558 368
MY ice 0 580 3202
...date precedes bulletin

Date: 2023-04-11:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85078 1917 0
FY ice 444 14496 272
MY ice 2 715 2178
...date precedes bulletin

Date: 2023-04-13:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85283 2107 0
FY ice 324 14479 135
MY ice 0 591 2941
observations
open FY ice MY ice
m
d
l
open 85285 2119 0
FY ice 322 14459 163
MY ice 0 599 2913

Date: 2023-04-15:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 85846 1666 3
FY ice 430 13619 206
MY ice 1 642 2657
observations
open FY ice MY ice
m
d
l
open 85872 1678 3
FY ice 404 13605 232
MY ice 1 644 2631

Date: 2023-04-17:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86172 1533 0
FY ice 365 12151 583
MY ice 7 510 2775
observations
open FY ice MY ice
m
d
l
open 86015 1598 2
FY ice 527 12038 588
MY ice 2 558 2768

Date: 2023-04-19:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86336 1597 0
FY ice 318 12783 328
MY ice 11 429 2890
observations
open FY ice MY ice
m
d
l
open 86147 1631 0
FY ice 514 12677 345
MY ice 4 501 2873

Date: 2023-04-21:

Best estimate Forecast
observations
open FY ice MY ice
m
d
l
open 86107 1521 91
FY ice 372 12050 1205
MY ice 41 408 2698
observations
open FY ice MY ice
m
d
l
open 85938 1634 119
FY ice 546 11898 1175
MY ice 36 447 2700


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