Validation of sea ice concentration

Bulletin date: 2014-03-13

Model vs. observations, sea ice class contingency tables

Date: 2014-03-07:

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 13918 6485 314 113 49 12 0 0
OW 0 265 157 137 96 83 3 0
VODI 0 178 167 152 118 161 32 0
ODI 0 303 117 182 190 281 122 0
CDI 0 70 82 107 237 396 406 7
VCDI 0 8 46 104 208 941 7487 3685
...date precedes bulletin

Date: 2014-03-11:

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 14044 6362 585 250 63 32 0 0
OW 0 270 135 170 141 71 3 0
VODI 0 300 136 175 239 265 26 0
ODI 0 132 79 108 209 398 120 6
CDI 0 26 93 118 255 417 644 14
VCDI 0 11 25 110 231 752 6760 3644
...date precedes bulletin

Date: 2014-03-13:

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 13371 6394 693 191 27 2 0 0
OW 0 105 337 185 96 24 10 0
VODI 0 86 206 226 221 84 59 0
ODI 0 135 126 167 244 137 146 0
CDI 0 50 76 141 387 292 466 14
VCDI 0 40 78 154 356 1093 6902 4098
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13371 6487 959 334 141 38 26 0
OW 0 43 149 113 68 32 23 0
VODI 0 63 128 158 141 55 48 0
ODI 0 124 118 126 174 110 130 0
CDI 0 50 74 140 379 241 416 15
VCDI 0 43 88 193 428 1156 6940 4097

Date: 2014-03-17:

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 13436 6403 466 273 62 3 0 0
OW 0 180 193 202 81 24 0 0
VODI 0 32 151 261 176 115 0 0
ODI 0 1 51 203 258 304 31 1
CDI 0 0 20 153 279 420 355 10
VCDI 0 0 1 89 315 1586 6899 4385
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13436 6272 411 271 120 53 1 0
OW 0 113 110 98 51 31 0 0
VODI 0 98 133 146 80 93 4 0
ODI 0 45 73 159 172 203 32 3
CDI 0 38 58 143 184 301 340 21
VCDI 0 50 97 364 564 1771 6908 4372

Date: 2014-03-19:

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 13292 6295 450 315 118 22 1 0
OW 0 123 158 105 131 42 4 0
VODI 0 110 165 126 163 153 9 0
ODI 0 16 59 169 170 309 32 0
CDI 0 4 30 143 216 505 214 9
VCDI 0 2 7 105 343 1503 7038 4763
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13292 6161 470 377 216 80 7 0
OW 0 76 81 72 89 61 5 0
VODI 0 65 88 103 131 142 4 0
ODI 0 55 46 75 121 246 51 6
CDI 0 63 29 67 125 436 354 70
VCDI 0 130 155 269 459 1569 6877 4696

Date: 2014-03-21:

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 12953 6060 831 262 112 21 0 0
OW 0 78 158 155 74 38 2 0
VODI 0 95 130 182 154 107 7 0
ODI 0 59 113 126 159 170 42 0
CDI 0 2 84 155 217 420 395 32
VCDI 0 1 45 203 474 1246 7235 4822
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 12953 5921 944 388 202 100 7 0
OW 0 60 71 79 61 49 5 0
VODI 0 70 63 126 133 113 55 1
ODI 0 41 51 133 160 200 174 43
CDI 0 47 57 78 135 265 291 114
VCDI 0 156 175 279 499 1275 7149 4696


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