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

Validation of sea ice concentration - Asian sector

Bulletin date: 2024-12-12

Data source: OSI SAF N.H. AMSR 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 0 1318 32 28 7 2 0 0
OW 0 192 62 84 31 7 0 0
VODI 0 58 40 167 137 35 0 0
ODI 0 4 7 70 209 159 6 0
CDI 0 0 0 16 163 654 356 0
VCDI 0 0 0 0 51 1031 11115 16041
...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 1 1252 8 4 0 0 0 0
OW 0 299 40 30 11 0 0 0
VODI 0 133 71 185 30 0 0 0
ODI 0 23 18 109 244 9 0 0
CDI 0 0 5 28 298 442 137 14
VCDI 0 0 0 1 89 630 7140 20831
...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 106 1243 0 0 0 0 0 0
OW 5 353 62 26 0 0 0 0
VODI 1 63 59 165 74 1 0 0
ODI 0 8 13 55 149 80 5 0
CDI 0 1 4 11 50 447 97 1
VCDI 0 0 0 2 9 442 6011 22539
...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 2 1170 27 7 0 0 0 0
OW 0 210 60 103 32 1 0 0
VODI 0 53 38 110 131 48 0 0
ODI 0 5 4 45 97 116 0 0
CDI 0 1 0 12 78 297 49 0
VCDI 0 0 0 1 9 618 7605 21153
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2 1299 47 46 2 0 0 0
OW 0 122 66 114 63 7 0 0
VODI 0 17 15 99 144 101 0 0
ODI 0 1 1 16 94 127 5 0
CDI 0 0 0 3 42 315 82 2
VCDI 0 0 0 0 2 530 7567 21151

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 1 926 26 20 2 0 0 0
OW 0 128 41 91 100 2 0 0
VODI 0 29 33 66 141 135 0 0
ODI 0 7 3 33 78 172 29 0
CDI 0 0 0 6 58 187 218 9
VCDI 0 0 0 0 22 362 12908 16249
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1 1018 53 65 37 0 0 0
OW 0 52 38 79 124 15 0 0
VODI 0 18 9 59 127 204 2 0
ODI 0 2 3 12 75 146 54 0
CDI 0 0 0 1 28 179 211 16
VCDI 0 0 0 0 10 314 12888 16242

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 1 908 42 50 14 2 0 0
OW 0 81 40 69 70 26 0 0
VODI 0 36 24 61 112 118 30 0
ODI 0 7 7 21 90 140 102 0
CDI 0 0 0 4 53 199 189 0
VCDI 0 0 0 0 27 383 12029 17147
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1 873 33 41 12 2 0 0
OW 0 97 42 70 80 27 0 0
VODI 0 56 31 57 128 128 18 0
ODI 0 6 7 34 81 161 105 0
CDI 0 0 0 3 54 180 200 6
VCDI 0 0 0 0 11 370 12027 17141

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 0 854 9 5 1 0 0 0
OW 0 137 24 17 3 0 0 0
VODI 0 65 57 80 22 2 0 0
ODI 0 6 11 68 91 30 5 0
CDI 0 5 9 16 127 366 387 1
VCDI 0 0 0 14 27 449 11395 17799
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 789 21 13 1 0 0 0
OW 0 164 32 51 25 8 0 0
VODI 0 82 33 86 111 89 14 0
ODI 0 20 10 31 67 141 171 0
CDI 0 12 11 11 51 187 322 3
VCDI 0 0 3 8 16 422 11280 17797

Date: 2024-12-20:

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


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