Description of algorithm Interpretation of results RMS, ice class areas Contingency tables Sea ice concentration maps

Validation of sea ice concentration

Bulletin date: 2012-01-04

Model vs. observations, sea ice class contingency tables

Date: 2011-12-29:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23523 665 250 150 75 VODI 201 208 243 143 69 ODI 130 99 204 303 145 CDI 27 54 165 483 341 VCDI 0 8 113 1151 8669	...date precedes bulletin

Date: 2012-01-02:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 22880 322 147 135 107 VODI 263 187 138 200 142 ODI 95 160 196 259 217 CDI 37 74 188 336 552 VCDI 13 57 99 694 9921	...date precedes bulletin

Date: 2012-01-04:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23606 464 202 27 32 VODI 169 165 286 183 53 ODI 42 89 263 456 159 CDI 15 35 193 618 839 VCDI 1 11 104 716 8691	observations water VODI ODI CDI VCDI m o d e l water 23045 269 199 111 99 VODI 440 166 195 145 142 ODI 172 124 207 178 252 CDI 131 87 165 365 479 VCDI 45 118 282 1201 8802

Date: 2012-01-06:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23301 408 127 79 32 VODI 173 239 124 140 56 ODI 28 126 146 356 135 CDI 10 65 122 504 623 VCDI 3 8 118 1565 8931	observations water VODI ODI CDI VCDI m o d e l water 22806 274 100 120 103 VODI 442 177 80 198 191 ODI 165 144 66 151 217 CDI 82 150 99 366 583 VCDI 20 101 292 1809 8683

Date: 2012-01-10:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 22744 391 236 280 43 VODI 152 108 132 268 54 ODI 55 83 83 273 164 CDI 28 68 84 519 320 VCDI 0 36 53 1430 9815	observations water VODI ODI CDI VCDI m o d e l water 22546 355 200 288 136 VODI 297 123 153 296 68 ODI 90 81 84 315 82 CDI 22 42 76 406 321 VCDI 24 85 75 1465 9789

Date: 2012-01-12:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 22852 407 167 94 16 VODI 143 218 187 110 27 ODI 26 116 169 283 109 CDI 1 34 118 446 469 VCDI 1 4 30 786 10606	observations water VODI ODI CDI VCDI m o d e l water 22481 304 173 157 141 VODI 379 176 139 155 85 ODI 111 142 105 222 135 CDI 22 90 128 343 322 VCDI 30 67 126 842 10544

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