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: 2019-02-21

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

Model vs. observations, sea ice class contingency tables

Date: 2019-02-15:

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 0 208 2 8 0 0 0 0 OW 0 45 1 13 0 0 0 0 VODI 0 40 2 7 1 0 0 0 ODI 0 23 0 3 30 4 0 0 CDI 0 24 3 5 12 59 15 22 VCDI 0 2 3 52 109 349 5236 25804	...date precedes bulletin

Date: 2019-02-17:

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 0 164 2 12 0 0 0 0 OW 0 37 1 12 2 0 0 0 VODI 0 24 2 28 4 0 0 0 ODI 0 18 2 7 13 5 0 0 CDI 0 20 1 10 10 57 1 7 VCDI 0 3 5 39 81 334 3026 28155	...date precedes bulletin

Date: 2019-02-19:

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 0 150 2 16 8 0 0 0 OW 0 26 2 14 7 0 0 0 VODI 0 10 6 30 11 1 0 0 ODI 0 2 2 26 9 3 0 0 CDI 0 0 0 13 17 41 10 66 VCDI 0 0 0 6 48 312 2935 28309	...date precedes bulletin

Date: 2019-02-21:

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 61 10 53 18 0 0 0 OW 0 2 6 28 17 1 0 0 VODI 0 0 0 23 33 2 0 0 ODI 0 0 0 9 32 4 0 0 CDI 0 0 0 0 33 26 38 23 VCDI 0 0 0 0 45 331 5213 26074	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 59 11 50 17 0 0 0 OW 0 4 5 27 17 1 0 0 VODI 0 0 0 24 32 2 0 0 ODI 0 0 0 12 31 4 0 0 CDI 0 0 0 0 36 24 32 28 VCDI 0 0 0 0 45 333 5219 26069

Date: 2019-02-23:

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 0 152 6 13 1 0 0 0 OW 0 40 3 17 1 0 0 0 VODI 0 21 6 30 7 0 0 0 ODI 0 5 1 30 13 6 0 0 CDI 0 1 1 20 33 51 36 1 VCDI 0 0 0 18 99 613 6887 23970	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 143 6 14 2 0 0 0 OW 0 40 3 12 2 0 0 0 VODI 0 29 5 31 7 0 0 0 ODI 0 6 2 32 13 5 0 0 CDI 0 1 1 26 37 51 45 1 VCDI 0 0 0 13 93 614 6878 23970

Date: 2019-02-25:

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 0 111 7 22 0 0 0 0 OW 0 29 4 23 0 0 0 0 VODI 0 22 5 40 9 0 0 0 ODI 0 6 1 33 24 2 0 0 CDI 0 0 0 20 54 41 8 10 VCDI 0 0 0 5 99 510 5514 25483	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 94 6 22 0 0 0 0 OW 0 42 4 18 0 0 0 0 VODI 0 23 4 28 7 0 0 0 ODI 0 7 3 40 15 1 0 0 CDI 0 2 0 25 36 35 18 4 VCDI 0 0 0 10 128 517 5504 25489

Date: 2019-02-27:

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 17 4 44 7 0 0 0 OW 0 10 3 21 18 0 0 0 VODI 0 7 2 22 29 0 0 0 ODI 0 0 0 20 35 5 0 1 CDI 0 0 0 21 120 74 6 97 VCDI 0 0 0 3 254 1619 8342 21301	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 15 4 46 12 0 0 0 OW 0 12 3 23 23 0 0 0 VODI 0 7 2 21 31 0 0 0 ODI 0 0 0 18 34 4 0 0 CDI 0 0 0 16 61 40 12 47 VCDI 0 0 0 7 302 1654 8336 21352

Date: 2019-03-01:

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 0 1 40 9 0 0 0 OW 0 0 2 39 13 0 0 0 VODI 0 0 0 30 31 0 0 0 ODI 0 0 0 18 25 2 0 0 CDI 0 0 0 15 48 31 18 1 VCDI 0 0 0 0 199 1456 5982 24122	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 1 41 20 0 0 0 OW 0 0 2 34 14 0 0 0 VODI 0 0 0 30 32 0 0 0 ODI 0 0 0 16 32 4 0 0 CDI 0 0 0 16 56 56 24 27 VCDI 0 0 0 5 171 1429 5976 24096

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