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

Validation of sea ice concentration

Bulletin date: 2010-12-15

Model vs. observations, sea ice class contingency tables

Date: 2010-12-09:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 20539 468 269 505 11 VODI 132 73 108 190 22 ODI 68 69 85 219 34 CDI 48 55 65 364 131 VCDI 29 125 210 1278 12322	...date precedes bulletin

Date: 2010-12-13:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 20173 512 278 466 23 VODI 136 120 125 186 17 ODI 57 73 102 175 46 CDI 43 87 87 315 168 VCDI 66 123 397 1519 12125	...date precedes bulletin

Date: 2010-12-15:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 20255 559 386 173 156 VODI 142 121 124 82 52 ODI 62 104 121 103 74 CDI 35 92 222 217 218 VCDI 79 175 541 1298 12028	observations water VODI ODI CDI VCDI m o d e l water 20229 543 382 186 139 VODI 135 108 114 58 62 ODI 69 97 120 87 70 CDI 50 103 169 182 225 VCDI 90 200 609 1360 12032

Date: 2010-12-17:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 20434 421 298 150 157 VODI 182 99 117 83 63 ODI 150 81 97 103 72 CDI 77 123 126 197 133 VCDI 92 319 578 1631 11636	observations water VODI ODI CDI VCDI m o d e l water 20415 424 318 153 156 VODI 185 86 94 73 64 ODI 127 83 87 96 58 CDI 88 104 107 184 116 VCDI 120 346 610 1658 11667

Date: 2010-12-21:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 20261 254 88 248 72 VODI 250 104 69 107 52 ODI 126 89 83 116 18 CDI 140 66 122 249 71 VCDI 145 200 412 2428 11649	observations water VODI ODI CDI VCDI m o d e l water 20183 273 107 278 79 VODI 182 90 61 100 45 ODI 147 62 72 111 24 CDI 166 68 113 236 61 VCDI 244 220 421 2423 11653

Date: 2010-12-23:

Best estimate	Forecast
observations water VODI ODI CDI VCDI m o d e l water 19934 397 242 213 105 VODI 122 108 118 86 64 ODI 47 73 125 124 46 CDI 59 69 143 229 167 VCDI 71 169 341 1625 12742	observations water VODI ODI CDI VCDI m o d e l water 19749 441 268 240 100 VODI 129 78 109 97 52 ODI 118 32 111 101 51 CDI 85 57 115 192 139 VCDI 152 208 366 1647 12782

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