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: 2023-03-07

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

Model vs. observations, sea ice class contingency tables

Date: 2023-03-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18904 14233 0 410 134 15 0 0
OW 0 311 0 107 40 2 0 0
VODI 0 291 0 222 105 7 2 0
ODI 0 155 0 220 195 54 19 0
CDI 0 108 0 223 361 326 231 0
VCDI 0 109 0 418 1944 4791 7607 5124

Date: 2023-03-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19283 13907 0 489 202 15 0 0
OW 0 151 0 128 53 2 0 0
VODI 0 185 0 141 91 8 1 0
ODI 0 143 0 144 178 37 34 0
CDI 0 130 0 210 388 290 207 5
VCDI 0 155 0 401 2007 6147 6844 4692

Date: 2023-03-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18487 14864 0 643 227 8 0 0
OW 3 119 0 111 60 5 0 0
VODI 5 139 0 145 120 16 4 0
ODI 0 118 0 141 130 49 42 0
CDI 2 116 0 205 320 335 323 46
VCDI 0 161 0 444 2126 5072 6452 5630

Date: 2023-03-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 17659 15486 0 693 372 34 0 0
OW 0 101 0 93 55 10 0 0
VODI 0 138 0 141 104 31 0 0
ODI 0 102 0 138 133 63 42 1
CDI 0 135 0 134 279 302 377 67
VCDI 0 142 0 382 1919 4798 6130 6607


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