Validation of sea ice concentration

Bulletin date: 2011-02-23

Model vs. observations, sea ice class contingency tables

Date: 2011-02-17:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19578 329 276 114 185
VODI 138 87 109 104 127
ODI 55 110 125 112 146
CDI 46 62 152 185 369
VCDI 5 50 306 1175 13474
...date precedes bulletin

Date: 2011-02-21:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19440 307 171 171 166
VODI 142 127 76 190 98
ODI 40 102 82 179 164
CDI 16 58 119 235 422
VCDI 18 76 173 1651 13196
...date precedes bulletin

Date: 2011-02-23:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19638 318 221 154 96
VODI 157 71 103 83 99
ODI 88 73 167 125 118
CDI 67 61 133 233 294
VCDI 53 110 260 1202 13495
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19493 251 207 154 92
VODI 226 97 84 84 86
ODI 137 93 172 104 133
CDI 92 89 156 247 300
VCDI 55 103 265 1208 13491

Date: 2011-02-25:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19932 265 184 262 81
VODI 157 82 56 126 94
ODI 94 68 92 147 154
CDI 47 107 104 209 387
VCDI 59 151 315 1425 12821
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19764 242 164 245 86
VODI 259 79 56 104 88
ODI 166 96 100 125 149
CDI 54 115 127 233 319
VCDI 46 141 304 1462 12895

Date: 2011-03-01:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20076 309 219 108 102
VODI 284 210 136 95 70
ODI 144 125 127 181 139
CDI 94 104 132 240 467
VCDI 61 166 249 1342 12239
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19929 287 229 96 94
VODI 317 188 106 112 70
ODI 225 136 115 155 141
CDI 108 119 141 215 420
VCDI 80 184 272 1388 12292

Date: 2011-03-03:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20059 332 191 150 92
VODI 214 132 184 104 93
ODI 117 92 148 182 143
CDI 139 71 150 270 436
VCDI 163 114 277 1071 12495
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19738 299 199 135 96
VODI 306 95 122 100 80
ODI 236 106 146 175 156
CDI 185 109 159 212 391
VCDI 227 132 324 1155 12536


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