Description of algorithm
Full domain
  Ice concntr, edge pos
  Contingency tables
American sector
European sector
Asian sector

Validation of sea ice concentration - Full domain

Bulletin date: 2021-08-03

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

Model vs. observations, sea ice class contingency tables

Date: 2021-08-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25532 19660 0 906 127 6 0 0
OW 0 582 0 799 412 88 8 0
VODI 0 715 0 1500 2578 2888 404 0
ODI 0 498 0 1212 3549 8318 3097 51
CDI 0 161 0 484 3504 13273 8441 253
VCDI 0 51 0 79 191 691 779 12

Date: 2021-08-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 27879 18174 0 1571 747 211 59 2
OW 0 523 0 535 653 489 106 16
VODI 6 817 0 1195 2190 2546 676 65
ODI 0 654 0 1360 3786 7003 2586 243
CDI 0 212 0 665 3938 12620 6856 786
VCDI 0 53 0 76 291 723 505 32

Date: 2021-08-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25974 20540 0 1835 1096 595 174 0
OW 0 639 0 503 648 693 221 0
VODI 0 998 0 1055 2069 2454 579 0
ODI 0 799 0 1354 4232 7121 1725 65
CDI 0 260 0 636 4362 13292 5440 218
VCDI 0 59 0 68 194 490 437 24

Date: 2021-08-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25888 20873 0 1996 1285 1218 134 0
OW 0 730 0 488 605 702 97 0
VODI 0 1093 0 1023 2248 2469 336 3
ODI 0 902 0 1313 4586 6197 2255 226
CDI 0 356 0 752 5334 10129 5764 643
VCDI 0 50 0 56 234 488 365 11


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