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

Validation of sea ice concentration

Bulletin date: 2011-11-30

Model vs. observations, sea ice class contingency tables

Date: 2011-11-24:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23555 835 354 349 267 VODI 40 234 185 123 121 ODI 8 81 164 194 213 CDI 13 20 81 223 489 VCDI 4 33 91 512 9230	...date precedes bulletin

Date: 2011-11-28:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23734 566 288 162 110 VODI 227 195 292 157 72 ODI 96 100 194 199 140 CDI 44 53 149 220 332 VCDI 37 57 177 694 9124	...date precedes bulletin

Date: 2011-11-30:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23525 627 269 201 104 VODI 208 185 256 168 34 ODI 72 132 213 253 50 CDI 51 70 197 310 174 VCDI 39 79 331 1108 8763	observations water VODI ODI CDI VCDI m o d e l water 23496 580 264 185 97 VODI 249 203 231 152 38 ODI 59 117 198 260 55 CDI 40 98 202 314 159 VCDI 51 95 371 1129 8776

Date: 2011-12-02:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23852 498 383 125 184 VODI 188 157 238 146 102 ODI 73 109 218 168 228 CDI 42 74 175 189 348 VCDI 38 107 306 961 8510	observations water VODI ODI CDI VCDI m o d e l water 23784 455 343 118 166 VODI 226 188 258 105 93 ODI 75 102 189 182 227 CDI 56 87 228 192 348 VCDI 52 113 302 992 8538

Date: 2011-12-06:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23558 673 247 141 184 VODI 331 195 203 161 55 ODI 157 106 174 215 113 CDI 112 73 88 230 419 VCDI 148 208 262 732 8634	observations water VODI ODI CDI VCDI m o d e l water 23489 588 197 108 173 VODI 414 270 238 135 42 ODI 116 98 170 216 104 CDI 107 80 93 246 367 VCDI 180 219 276 774 8719

Date: 2011-12-08:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 23696 352 311 305 154 VODI 317 191 162 169 117 ODI 110 93 229 129 172 CDI 87 57 97 236 348 VCDI 103 162 219 863 8740	observations water VODI ODI CDI VCDI m o d e l water 23479 268 262 238 145 VODI 406 261 225 167 115 ODI 138 84 184 177 144 CDI 131 73 121 244 331 VCDI 159 169 226 876 8796

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