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: 2020-02-27

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

Model vs. observations, sea ice class contingency tables

Date: 2020-02-21:

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 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 19 37 18 62 VCDI 0 0 0 0 18 900 6987 37825	...date precedes bulletin

Date: 2020-02-23:

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 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 0 8 21 VCDI 0 0 0 0 0 632 4771 40434	...date precedes bulletin

Date: 2020-02-25:

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 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 26 10 8 VCDI 0 0 0 0 0 654 3560 41608	...date precedes bulletin

Date: 2020-02-27:

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 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 2 5 4 VCDI 0 0 0 0 0 476 5095 40284	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 5 8 7 VCDI 0 0 0 0 0 473 5092 40281

Date: 2020-02-29:

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 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 5 21 26 VCDI 0 0 0 0 0 331 5948 39535	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 4 29 23 VCDI 0 0 0 0 0 332 5940 39538

Date: 2020-03-02:

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 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 1 14 33 VCDI 0 0 0 0 0 225 4741 40852	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 1 17 16 VCDI 0 0 0 0 0 225 4738 40869

Date: 2020-03-04:

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 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 13 7 29 VCDI 0 0 0 0 0 385 3094 42338	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 14 3 4 VCDI 0 0 0 0 0 384 3098 42363

Date: 2020-03-06:

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 0 0 0 ODI 0 0 0 0 0 0 0 8 CDI 0 0 0 0 0 3 0 64 VCDI 0 0 0 0 0 327 2456 43008	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 13 3 95 VCDI 0 0 0 0 0 317 2453 42985

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