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: 2024-01-02

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

Model vs. observations, sea ice class contingency tables

Date: 2024-01-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 23114 12438 36 296 214 98 109 0
OW 20 269 13 86 35 0 19 0
VODI 32 401 35 186 69 9 16 0
ODI 5 353 45 356 94 15 10 0
CDI 7 372 43 608 397 309 234 130
VCDI 5 183 38 1184 2548 8846 24427 56843

Date: 2024-01-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22196 12927 142 760 189 124 82 0
OW 8 126 8 103 25 4 8 0
VODI 15 169 8 180 76 7 7 0
ODI 29 189 15 200 132 14 15 0
CDI 10 151 14 269 299 292 271 258
VCDI 5 369 49 1069 2991 8851 29235 52656

Date: 2024-01-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19367 14627 123 1247 392 139 114 0
OW 0 93 5 98 63 6 3 0
VODI 0 143 10 139 113 10 4 0
ODI 0 163 5 131 130 50 11 1
CDI 0 116 14 177 240 400 297 212
VCDI 0 310 61 778 2566 9105 26631 56453

Date: 2024-01-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20353 13453 114 1142 353 131 55 0
OW 10 107 5 81 54 6 0 0
VODI 17 134 4 140 78 17 1 0
ODI 13 126 2 124 108 53 9 2
CDI 31 127 7 124 240 436 334 279
VCDI 48 335 30 683 2494 8448 26092 58147


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