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

Validation of sea ice concentration - European sector

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 23112 12071 34 294 207 98 109 0
OW 20 249 12 84 15 0 19 0
VODI 32 363 32 177 30 8 16 0
ODI 5 310 32 308 39 10 10 0
CDI 7 306 28 495 217 145 112 22
VCDI 5 138 22 697 1720 3194 7152 4712

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 12646 138 752 189 124 82 0
OW 8 119 6 94 24 4 8 0
VODI 15 162 8 162 47 6 7 0
ODI 29 178 13 175 65 5 10 0
CDI 10 131 11 213 149 92 96 6
VCDI 5 311 32 702 1657 3352 8972 3657

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 14366 114 1180 385 139 114 0
OW 0 93 4 88 56 6 3 0
VODI 0 142 9 132 101 10 4 0
ODI 0 163 5 124 114 19 8 0
CDI 0 108 14 155 166 146 136 28
VCDI 0 249 37 568 1412 3573 7967 5363

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 13205 104 1091 346 131 55 0
OW 10 105 5 78 49 6 0 0
VODI 17 127 4 132 69 17 1 0
ODI 13 119 2 112 100 49 0 0
CDI 31 117 7 116 209 241 105 22
VCDI 48 314 27 503 1541 3298 8194 5595


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