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: 2020-01-02

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

Model vs. observations, sea ice class contingency tables

Date: 2019-12-27:

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 1 3 0 0 0 OW 0 0 0 52 53 0 0 0 VODI 0 0 0 120 108 1 0 0 ODI 0 0 0 26 125 62 30 0 CDI 0 0 0 0 281 578 76 1 VCDI 0 0 0 0 86 3860 14978 25425	...date precedes bulletin

Date: 2019-12-29:

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 8 21 0 0 0 VODI 0 0 0 89 85 0 0 0 ODI 0 0 0 81 108 1 0 0 CDI 0 0 0 14 255 158 9 1 VCDI 0 0 0 0 304 3166 15473 26093	...date precedes bulletin

Date: 2019-12-31:

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 5 22 0 0 0 VODI 0 40 9 75 114 0 0 0 ODI 0 3 0 16 122 8 0 0 CDI 0 0 0 0 149 494 13 1 VCDI 0 0 0 0 122 2782 12591 29300	...date precedes bulletin

Date: 2020-01-02:

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 2 0 0 0 VODI 0 0 0 31 40 0 0 0 ODI 0 22 8 72 122 6 0 0 CDI 0 0 0 44 116 136 14 1 VCDI 0 0 0 0 385 2483 11750 30634	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 11 0 0 0 VODI 0 0 1 47 52 0 0 0 ODI 0 22 7 62 114 10 0 0 CDI 0 0 0 38 155 190 20 4 VCDI 0 0 0 0 333 2425 11744 30631

Date: 2020-01-04:

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 33 0 0 0 ODI 0 3 2 53 116 7 0 0 CDI 0 4 2 42 199 192 16 12 VCDI 0 0 0 0 319 2223 10478 32164	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 8 0 0 0 VODI 0 0 0 3 35 0 0 0 ODI 0 4 2 53 126 28 0 0 CDI 0 3 2 39 184 185 17 16 VCDI 0 0 0 0 315 2209 10477 32160

Date: 2020-01-06:

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 2 0 0 ODI 0 0 0 60 32 41 0 0 CDI 0 0 0 41 156 164 3 13 VCDI 0 0 0 0 160 1957 8601 34636	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 23 0 0 ODI 0 0 0 0 2 28 0 0 CDI 0 0 0 26 31 113 1 11 VCDI 0 0 0 75 315 2000 8603 34638

Date: 2020-01-08:

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 4 143 40 15 VCDI 0 0 0 0 164 1917 9560 34021	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 14 0 0 ODI 0 0 0 0 0 21 0 0 CDI 0 0 0 0 0 81 45 6 VCDI 0 0 0 0 168 1946 9555 34030

Date: 2020-01-10:

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 24 0 0 CDI 0 0 0 0 4 130 22 1 VCDI 0 0 0 0 145 2011 9203 34326	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 3 0 0 CDI 0 0 0 0 0 63 12 29 VCDI 0 0 0 0 149 2099 9213 34298

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