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

Validation of sea ice concentration - American sector

Bulletin date: 2022-10-04

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

Model vs. observations, sea ice class contingency tables

Date: 2022-10-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14006 13079 0 585 129 0 0 0
OW 0 55 0 96 38 1 0 0
VODI 0 53 0 240 107 3 0 0
ODI 0 27 0 210 430 19 1 1
CDI 0 19 0 124 949 291 181 85
VCDI 0 3 0 62 852 3746 9434 5768

Date: 2022-10-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13050 13978 0 647 269 1 0 0
OW 0 72 0 80 64 0 0 0
VODI 0 60 0 118 136 10 0 0
ODI 0 35 0 183 275 51 8 3
CDI 0 25 0 146 542 369 231 115
VCDI 0 15 0 78 1038 4148 9014 5833

Date: 2022-10-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13596 13690 0 605 280 7 0 0
OW 0 90 0 124 27 0 0 0
VODI 0 106 0 199 70 0 0 0
ODI 0 59 0 182 171 17 6 0
CDI 0 58 0 315 631 365 269 17
VCDI 0 37 0 225 2102 5677 10253 1416

Date: 2022-10-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13429 13444 0 903 424 5 0 0
OW 0 44 0 52 52 2 0 0
VODI 0 52 0 119 129 12 0 0
ODI 0 25 0 92 222 45 39 8
CDI 0 38 0 165 544 200 209 345
VCDI 0 10 0 231 1458 3701 7772 6823


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