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: 2018-04-19

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

Model vs. observations, sea ice class contingency tables

Date: 2018-04-13:

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 1 0 0 0 0 0 0 OW 0 0 0 2 5 0 0 0 VODI 0 0 0 7 12 0 0 0 ODI 0 0 0 4 34 7 5 0 CDI 0 0 0 1 61 72 96 42 VCDI 0 0 0 0 31 595 8566 22541	...date precedes bulletin

Date: 2018-04-15:

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 0 0 0 0 0 0 0 OW 0 0 0 1 3 0 0 0 VODI 0 0 0 2 14 0 0 0 ODI 0 0 0 3 39 23 20 6 CDI 0 0 0 0 63 93 97 34 VCDI 0 0 0 0 62 855 8457 22310	...date precedes bulletin

Date: 2018-04-17:

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 0 0 1 0 0 0 0 OW 0 0 0 0 6 0 0 0 VODI 0 0 0 0 28 1 0 0 ODI 0 0 0 0 30 7 14 0 CDI 0 0 0 0 12 229 125 13 VCDI 0 0 0 0 5 1156 11197 19258	...date precedes bulletin

Date: 2018-04-19:

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 0 0 0 0 0 0 0 OW 0 0 0 0 1 0 0 0 VODI 0 0 0 0 7 3 0 0 ODI 0 0 0 0 22 11 4 0 CDI 0 0 0 0 19 107 124 0 VCDI 0 0 0 0 22 1244 11616 18902	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 1 0 0 0 VODI 0 0 0 0 9 2 0 0 ODI 0 0 0 0 21 11 9 0 CDI 0 0 0 0 19 110 130 0 VCDI 0 0 0 0 21 1242 11605 18902

Date: 2018-04-21:

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 0 0 0 0 0 0 0 OW 0 0 0 0 1 0 0 0 VODI 0 0 0 0 2 3 0 0 ODI 0 0 0 0 17 13 8 0 CDI 0 0 0 0 19 91 141 9 VCDI 0 0 0 0 0 494 9459 21825	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 1 0 0 0 VODI 0 0 0 0 2 2 0 0 ODI 0 0 0 0 20 10 8 0 CDI 0 0 0 0 16 76 131 12 VCDI 0 0 0 0 0 513 9469 21822

Date: 2018-04-23:

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 0 0 0 0 0 0 0 OW 0 0 0 0 1 0 0 0 VODI 0 0 0 0 2 1 0 0 ODI 0 0 0 0 53 38 6 0 CDI 0 0 0 0 102 147 80 2 VCDI 0 0 0 0 241 985 9782 20642	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 0 0 0 0 OW 0 0 0 0 1 0 0 0 VODI 0 0 0 0 2 2 0 0 ODI 0 0 0 0 13 22 16 0 CDI 0 0 0 0 76 140 109 44 VCDI 0 0 0 0 307 1007 9743 20600

Date: 2018-04-25:

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 0 0 0 0 0 0 0 OW 0 0 0 0 1 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 2 4 10 0 CDI 0 0 0 0 5 63 64 30 VCDI 0 0 0 0 6 1085 8266 22546	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 1 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 4 0 0 0 ODI 0 0 0 0 5 11 8 0 CDI 0 0 0 0 2 40 75 119 VCDI 0 0 0 0 2 1101 8257 22457

Date: 2018-04-27:

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 0 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 1 0 0 0 ODI 0 0 0 0 6 10 13 0 CDI 0 0 0 0 25 112 109 5 VCDI 0 0 0 0 86 914 8487 22314	observations Ice free Ice free near MIZ OW VODI ODI CDI VCDI near MIZ VCDI m o d e l Ice free 0 0 0 0 1 0 0 0 OW 0 0 0 0 1 0 0 0 VODI 0 0 0 0 4 5 0 0 ODI 0 0 0 0 3 28 10 0 CDI 0 0 0 0 19 104 112 65 VCDI 0 0 0 0 90 899 8487 22254

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