Description of algorithm Full domain American sector European sector   Ice concntr, edge pos   Contingency tables Asian sector

Validation of sea ice concentration - European sector

Bulletin date: 2023-12-19

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2023-12-19:

Forecast

observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 25848 10588 93 541 183 290 179 0 OW 3 174 13 128 22 27 3 0 VODI 2 239 28 243 61 28 6 0 ODI 0 235 30 371 110 25 7 1 CDI 0 104 20 377 290 168 156 11 VCDI 0 28 9 482 1466 3549 5775 4755

Date: 2023-12-21:

Forecast

observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 24681 11296 169 965 346 311 263 0 OW 0 86 9 86 42 6 2 0 VODI 0 103 7 128 93 20 3 0 ODI 0 68 14 128 105 16 5 0 CDI 0 63 13 152 195 71 46 4 VCDI 0 77 28 562 1604 4521 6266 4114

Date: 2023-12-23:

Forecast

observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 24012 11701 161 1020 464 297 185 0 OW 0 49 8 71 58 6 2 0 VODI 1 64 10 113 75 17 2 0 ODI 0 70 5 112 71 15 5 0 CDI 0 65 3 92 143 127 95 5 VCDI 0 209 29 545 1401 4348 6587 4425

Date: 2023-12-25:

Forecast

observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 24516 11273 98 958 443 316 147 0 OW 0 55 6 50 47 8 2 0 VODI 1 64 6 74 65 18 7 0 ODI 0 75 5 90 89 26 9 0 CDI 0 92 4 100 153 183 84 13 VCDI 0 273 22 483 1066 4007 6345 5395

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