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

Validation of sea ice concentration

Bulletin date: 2011-12-07

Model vs. observations, sea ice class contingency tables

Date: 2011-12-01:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23658 603 416 166 109 VODI 173 155 229 165 63 ODI 62 98 220 205 124 CDI 29 78 192 238 265 VCDI 12 116 389 1068 8586	...date precedes bulletin

Date: 2011-12-05:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23655 450 422 174 171 VODI 296 285 152 184 45 ODI 51 256 140 261 59 CDI 28 218 111 380 278 VCDI 20 470 326 1055 7932	...date precedes bulletin

Date: 2011-12-07:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23745 425 287 264 130 VODI 278 192 219 162 55 ODI 132 91 188 220 145 CDI 92 57 95 227 321 VCDI 120 151 246 847 8730	observations water VODI ODI CDI VCDI m o d e l water 23583 398 292 281 133 VODI 385 205 227 171 73 ODI 123 79 169 208 149 CDI 93 56 98 210 350 VCDI 183 178 249 850 8676

Date: 2011-12-09:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23577 482 419 290 111 VODI 279 153 190 195 94 ODI 92 68 197 227 130 CDI 71 58 97 255 327 VCDI 68 74 184 1002 8779	observations water VODI ODI CDI VCDI m o d e l water 23431 446 402 283 118 VODI 330 188 279 271 109 ODI 109 40 117 202 151 CDI 100 65 104 248 353 VCDI 117 96 185 965 8710

Date: 2011-12-13:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23251 573 366 342 137 VODI 234 160 187 230 142 ODI 87 92 135 275 194 CDI 67 92 82 205 335 VCDI 65 135 181 515 9337	observations water VODI ODI CDI VCDI m o d e l water 23066 524 357 298 144 VODI 310 201 232 397 163 ODI 124 73 90 218 218 CDI 91 65 74 141 369 VCDI 113 189 198 513 9251

Date: 2011-12-15:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23375 430 296 290 128 VODI 299 101 169 372 139 ODI 150 56 72 236 210 CDI 139 106 59 136 403 VCDI 135 119 130 741 9128	observations water VODI ODI CDI VCDI m o d e l water 23093 363 275 312 140 VODI 498 165 191 420 169 ODI 176 49 73 195 272 CDI 126 84 34 117 395 VCDI 205 151 153 731 9032

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