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

Validation of sea ice concentration - American sector

Bulletin date: 2019-01-03

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

Model vs. observations, sea ice class contingency tables

Date: 2018-12-28:

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 0 0 0 0 ODI 0 0 0 0 0 5 3 0 CDI 0 0 0 3 194 164 33 1 VCDI 0 0 0 19 590 2124 12037 30693	...date precedes bulletin

Date: 2018-12-30:

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 0 0 0 0 ODI 0 0 0 0 0 1 0 0 CDI 0 0 0 0 36 118 67 13 VCDI 0 0 0 0 385 2164 11339 31743	...date precedes bulletin

Date: 2019-01-01:

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 0 0 0 0 0 0 OW 0 0 0 0 0 0 0 0 VODI 0 0 0 0 0 0 0 0 ODI 0 0 0 0 0 2 0 0 CDI 0 0 0 0 0 142 8 9 VCDI 0 0 0 0 17 1856 10679 33153	...date precedes bulletin

Date: 2019-01-03:

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 0 0 0 0 ODI 0 0 0 0 0 0 0 0 CDI 0 0 0 0 0 44 10 37 VCDI 0 0 0 0 5 1193 6047 38530	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 0 0 0 0 ODI 0 0 0 0 0 0 0 0 CDI 0 0 0 0 0 41 8 45 VCDI 0 0 0 0 5 1196 6049 38522

Date: 2019-01-05:

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 0 0 0 0 ODI 0 0 0 0 0 0 0 0 CDI 0 0 0 0 11 22 4 51 VCDI 0 0 0 0 103 997 6199 38479	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 0 0 0 0 ODI 0 0 0 0 0 0 0 0 CDI 0 0 0 0 7 6 4 39 VCDI 0 0 0 0 107 1013 6199 38491

Date: 2019-01-07:

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 0 0 0 0 ODI 0 0 0 0 0 0 0 0 CDI 0 0 0 0 11 97 34 6 VCDI 0 0 0 0 4 1116 5567 39031	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 0 0 0 0 ODI 0 0 0 0 0 0 0 0 CDI 0 0 0 0 0 52 54 0 VCDI 0 0 0 0 15 1161 5547 39037

Date: 2019-01-09:

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 0 0 0 0 ODI 0 0 0 0 2 0 0 0 CDI 0 0 0 0 13 55 45 69 VCDI 0 0 0 0 85 1163 9220 35214	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 0 0 0 0 ODI 0 0 0 0 0 0 0 103 CDI 0 0 0 0 0 22 30 150 VCDI 0 0 0 0 100 1196 9235 35030

Date: 2019-01-11:

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 0 0 0 0 ODI 0 0 0 0 0 0 16 100 CDI 0 0 0 0 25 54 93 71 VCDI 0 0 0 0 62 1370 9526 34549	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 0 0 0 0 ODI 0 0 0 0 0 0 0 65 CDI 0 0 0 0 11 25 53 96 VCDI 0 0 0 0 76 1399 9582 34559

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