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

Validation of sea ice concentration - Asian sector

Bulletin date: 2023-12-07

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

Model vs. observations, sea ice class contingency tables

Date: :

Best estimate	Forecast
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 845 172 201 146 8 0 0 OW 0 76 58 162 22 12 0 0 VODI 0 29 31 247 105 13 0 0 ODI 0 2 6 104 222 32 6 0 CDI 0 0 0 15 208 154 64 3 VCDI 0 0 0 1 102 1709 8164 19163	...date precedes bulletin

Date: :

Best estimate	Forecast
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 781 101 190 54 2 0 0 OW 0 27 71 141 33 11 0 0 VODI 0 6 11 204 97 38 2 0 ODI 0 6 10 90 240 37 5 0 CDI 0 0 1 67 180 91 40 8 VCDI 0 0 0 1 129 841 3751 24816	...date precedes bulletin

Date: :

Best estimate	Forecast
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 550 128 203 82 1 0 0 OW 0 6 22 155 41 0 0 0 VODI 0 0 5 206 78 4 0 0 ODI 0 0 0 94 172 17 0 0 CDI 0 0 0 15 344 223 22 10 VCDI 0 0 0 3 35 797 5958 22911	...date precedes bulletin

Date: :

Best estimate	Forecast
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 292 49 318 135 37 0 0 OW 0 2 14 85 52 15 0 0 VODI 0 0 2 64 152 39 0 0 ODI 0 0 0 50 120 62 2 0 CDI 0 0 0 20 157 291 41 0 VCDI 0 0 0 0 88 646 6786 22563	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 292 53 317 142 39 0 0 OW 0 2 9 86 48 12 0 0 VODI 0 0 3 56 133 31 0 0 ODI 0 0 0 39 120 65 2 0 CDI 0 0 0 39 144 233 47 1 VCDI 0 0 0 0 117 710 6780 22562

Date: :

Best estimate	Forecast
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 3 303 17 70 247 113 31 0 OW 0 8 9 60 72 31 2 0 VODI 0 1 8 42 110 44 1 0 ODI 0 0 0 14 117 105 4 0 CDI 0 0 0 5 101 245 39 1 VCDI 0 0 0 0 58 508 4862 24851	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 3 303 19 72 252 117 32 0 OW 0 9 8 59 61 25 1 0 VODI 0 0 7 42 108 35 1 0 ODI 0 0 0 15 110 90 4 0 CDI 0 0 0 3 95 234 29 4 VCDI 0 0 0 0 79 545 4872 24848

Date: :

Best estimate	Forecast
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 1 664 103 160 166 8 0 0 OW 0 61 59 174 45 0 0 0 VODI 0 17 35 171 65 0 0 0 ODI 0 0 5 138 121 0 0 0 CDI 0 0 2 61 204 96 22 8 VCDI 0 0 0 41 202 830 5962 22661	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 1 545 46 73 160 8 0 0 OW 0 102 47 60 48 0 0 0 VODI 0 64 36 95 57 0 0 0 ODI 0 25 51 96 63 0 0 0 CDI 0 6 19 212 109 37 28 14 VCDI 0 0 5 209 366 889 5956 22655

Date: :

Best estimate	Forecast
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 1 609 46 146 124 0 0 0 OW 0 244 56 101 64 0 0 0 VODI 0 193 49 101 65 0 0 0 ODI 0 65 43 99 76 0 11 0 CDI 0 18 13 144 116 62 38 8 VCDI 0 10 19 144 323 1333 5963 21798	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 1 534 33 105 116 0 0 0 OW 0 171 25 72 62 0 0 0 VODI 0 184 49 81 87 0 0 0 ODI 0 165 41 90 88 11 12 0 CDI 0 64 54 145 45 86 58 6 VCDI 0 21 24 242 370 1298 5942 21800

Date: :

Best estimate	Forecast
observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 6 472 35 116 79 0 0 0 OW 0 242 25 60 125 4 0 0 VODI 0 155 72 189 83 58 0 0 ODI 0 48 32 141 88 72 0 0 CDI 0 14 12 115 145 155 5 5 VCDI 0 12 16 90 374 1771 5734 21532	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 6 404 24 109 90 0 0 0 OW 0 172 30 42 85 10 0 0 VODI 0 152 21 116 83 46 0 0 ODI 0 141 45 96 84 90 0 0 CDI 0 57 50 151 75 78 15 4 VCDI 0 17 22 197 477 1836 5724 21533

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