Validation of sea ice concentration

Bulletin date: 2011-03-23

Model vs. observations, sea ice class contingency tables

Date: 2011-03-17:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20013 441 388 208 27
VODI 158 93 227 139 89
ODI 121 76 248 167 167
CDI 92 92 306 264 378
VCDI 86 133 582 1198 11726
...date precedes bulletin

Date: 2011-03-21:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19950 553 316 218 23
VODI 404 207 131 216 96
ODI 125 212 156 240 195
CDI 76 146 200 334 518
VCDI 89 198 278 1068 11470
...date precedes bulletin

Date: 2011-03-23:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19453 507 369 300 50
VODI 294 182 292 231 128
ODI 130 86 254 301 208
CDI 63 62 141 450 549
VCDI 79 87 258 1538 11407
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 19440 533 426 329 87
VODI 288 129 265 235 106
ODI 140 94 211 264 194
CDI 64 88 148 444 494
VCDI 87 80 264 1548 11461

Date: 2011-03-25:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 18641 809 549 299 166
VODI 233 207 178 119 152
ODI 166 264 253 238 223
CDI 77 112 204 424 534
VCDI 116 193 367 1315 11580
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 18707 850 587 324 195
VODI 210 293 217 136 174
ODI 92 149 196 205 235
CDI 76 97 187 442 541
VCDI 148 196 364 1288 11510

Date: 2011-03-29:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 18351 716 587 454 238
VODI 192 85 109 212 139
ODI 156 148 108 260 182
CDI 49 174 208 399 432
VCDI 30 77 293 1296 12524
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 18371 739 625 516 240
VODI 202 185 121 201 154
ODI 108 121 119 233 195
CDI 54 61 202 386 349
VCDI 43 94 238 1285 12577

Date: 2011-03-31:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 18369 706 504 682 169
VODI 105 65 130 209 132
ODI 104 119 105 214 182
CDI 94 177 188 386 338
VCDI 95 92 315 1257 12682
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 18336 702 546 762 185
VODI 183 227 96 210 124
ODI 64 95 170 222 196
CDI 67 55 169 392 352
VCDI 117 80 261 1162 12646


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