Validation of sea ice concentration

Bulletin date: 2011-04-13

Model vs. observations, sea ice class contingency tables

Date: 2011-04-07:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19459 471 376 412 147
VODI 111 70 113 248 160
ODI 63 49 114 190 226
CDI 54 32 111 385 528
VCDI 32 40 87 872 13069
...date precedes bulletin

Date: 2011-04-11:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19792 333 265 241 187
VODI 124 152 138 169 219
ODI 84 147 153 170 285
CDI 40 106 237 296 471
VCDI 0 25 145 972 12668
...date precedes bulletin

Date: 2011-04-13:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19723 403 303 271 170
VODI 80 165 116 237 244
ODI 21 110 144 230 351
CDI 29 90 160 415 513
VCDI 1 31 213 817 12582
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19713 432 321 306 163
VODI 72 134 155 253 199
ODI 31 89 86 238 281
CDI 36 106 148 332 429
VCDI 2 38 226 841 12788

Date: 2011-04-15:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20011 372 236 187 230
VODI 169 153 123 145 248
ODI 86 77 145 153 306
CDI 60 86 205 333 494
VCDI 5 28 99 752 12716
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20030 409 285 248 215
VODI 136 96 108 137 201
ODI 109 102 134 158 261
CDI 47 71 166 251 408
VCDI 9 38 115 776 12909

Date: 2011-04-19:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20137 337 228 188 259
VODI 231 165 122 107 232
ODI 89 129 151 147 345
CDI 81 92 195 231 655
VCDI 12 62 187 645 12392
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20200 408 277 218 264
VODI 152 120 130 132 224
ODI 134 99 144 123 276
CDI 42 70 118 209 570
VCDI 22 88 214 636 12549

Date: 2011-04-21:

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


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