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: 2021-12-21

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

Model vs. observations, sea ice class contingency tables

Date: 2021-12-21:

Forecast

observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 32689 15148 0 613 277 143 3 0 OW 2 108 0 87 75 65 1 0 VODI 4 108 0 141 130 54 11 0 ODI 7 59 0 115 180 88 19 0 CDI 1 45 0 150 463 520 151 0 VCDI 0 53 0 333 1240 2876 7990 3734

Date: 2021-12-23:

Forecast

observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 32019 15239 0 717 376 220 41 0 OW 0 86 0 89 52 9 0 0 VODI 0 109 0 127 100 26 8 0 ODI 0 81 0 113 140 81 20 0 CDI 0 52 0 138 372 500 276 1 VCDI 0 47 0 260 1425 3477 8317 3165

Date: 2021-12-25:

Forecast

observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 31627 15411 0 606 467 242 90 0 OW 0 125 0 63 49 11 3 0 VODI 0 174 0 122 85 19 13 0 ODI 0 110 0 104 107 50 19 0 CDI 0 70 0 150 233 300 138 6 VCDI 0 86 0 423 1490 3761 7903 3626

Date: 2021-12-27:

Forecast

observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 31970 14734 0 709 532 355 119 0 OW 0 104 0 68 51 12 5 0 VODI 0 143 0 111 89 27 1 0 ODI 0 84 0 93 107 53 13 0 CDI 0 97 0 124 175 301 172 1 VCDI 0 125 0 351 1278 3171 8996 3512

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