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

Validation of sea ice concentration - Asian sector

Bulletin date: 2024-12-12

Data source: OSI SAF N.H. multi-product sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2024-12-06:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 144 1235 100 101 1 0 0 0
OW 5 85 68 201 33 0 0 0
VODI 1 16 17 206 211 3 0 0
ODI 0 0 1 55 301 107 1 0
CDI 0 0 0 7 173 740 274 14
VCDI 0 0 0 17 36 1033 8244 19666
...date precedes bulletin

Date: 2024-12-08:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 139 1244 47 19 0 0 0 0
OW 9 177 101 107 1 0 0 0
VODI 2 48 43 283 69 0 0 0
ODI 0 5 6 151 254 12 0 0
CDI 0 0 0 20 360 442 87 3
VCDI 0 0 0 19 55 627 5165 23601
...date precedes bulletin

Date: 2024-12-10:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 126 1384 5 1 0 0 0 0
OW 18 258 110 88 0 0 0 0
VODI 6 51 33 251 43 0 0 0
ODI 0 13 2 58 211 41 0 0
CDI 0 1 0 13 95 462 43 6
VCDI 0 0 0 21 18 453 4200 25085
...date precedes bulletin

Date: 2024-12-12:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 120 1191 43 5 0 0 0 0
OW 19 134 83 179 16 0 0 0
VODI 11 17 23 160 175 18 0 0
ODI 0 7 1 50 122 95 0 0
CDI 0 5 0 10 133 284 16 2
VCDI 0 0 0 6 34 616 6382 23139
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 133 1287 95 53 0 0 0 0
OW 15 58 49 210 62 0 0 0
VODI 2 9 6 121 187 66 0 0
ODI 0 0 0 24 122 108 2 0
CDI 0 0 0 2 82 313 42 7
VCDI 0 0 0 0 27 526 6354 23134

Date: 2024-12-14:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 140 850 57 97 3 0 0 0
OW 9 46 40 181 100 0 0 0
VODI 1 13 6 114 188 89 0 0
ODI 0 2 3 33 129 154 8 0
CDI 0 0 0 8 118 199 174 8
VCDI 0 0 0 1 20 257 4626 25422
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 147 885 85 202 36 0 0 0
OW 3 17 14 142 137 3 0 0
VODI 0 9 6 68 192 151 0 0
ODI 0 0 1 17 118 145 21 0
CDI 0 0 0 5 70 197 165 9
VCDI 0 0 0 0 5 203 4622 25421

Date: 2024-12-16:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 150 783 70 176 16 7 0 0
OW 0 23 16 108 115 26 0 0
VODI 0 13 6 74 157 100 37 0
ODI 0 0 4 24 120 130 97 0
CDI 0 0 0 8 74 202 170 15
VCDI 0 0 0 1 27 322 5602 24423
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 150 780 67 139 11 3 0 0
OW 0 25 16 133 108 31 0 0
VODI 0 14 10 87 189 105 22 0
ODI 0 0 3 26 119 155 100 0
CDI 0 0 0 6 72 202 186 2
VCDI 0 0 0 0 10 291 5598 24436

Date: 2024-12-18:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 135 792 81 36 0 0 0 0
OW 8 45 53 78 4 0 0 0
VODI 0 5 19 168 36 1 0 0
ODI 0 0 0 71 127 19 0 1
CDI 0 0 0 35 196 378 301 49
VCDI 0 0 0 8 63 485 8520 21382
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 127 730 82 49 0 0 0 0
OW 14 77 39 136 32 4 0 0
VODI 2 33 22 126 165 71 2 0
ODI 0 2 10 49 117 117 144 0
CDI 0 0 0 29 95 199 259 44
VCDI 0 0 0 7 17 492 8416 21388

Date: 2024-12-20:

Best estimate Forecast
...observations not yet available ...observations not yet available


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