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

Validation of sea ice concentration - American sector

Reference date: 2025-02-06

Model: GLO MFC - NEMO

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

Model vs. observations, sea ice class contingency tables

Date: 2025-01-31:

Best estimate
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 9 162 27 2 0 VCDI 0 0 0 2 223 2045 8387 35009

Date: 2025-02-02:

Best estimate
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 6 86 34 4 4 VCDI 0 0 0 6 196 2420 10354 32756

Date: 2025-02-04:

Best estimate
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 1 0 0 ODI 0 0 0 0 4 15 4 0 CDI 0 0 0 0 21 211 22 0 VCDI 0 0 0 0 83 2450 10341 32714

Date: 2025-02-06:

Best estimate
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 54 5 0 VCDI 0 0 0 0 29 1858 8719 35201

Date: 2025-02-08:

Best estimate
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 2 43 0 0 VCDI 0 0 0 0 1 1183 6328 38309

Date: 2025-02-10:

Best estimate
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 0 32 6 0 VCDI 0 0 0 0 0 985 7265 37577

Date: 2025-02-12:

Best estimate
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 4 0 0 CDI 0 0 0 0 3 20 1 0 VCDI 0 0 0 0 82 1394 6249 38113

Date: 2025-02-14:

Best estimate
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 1 0 0 0 0 ODI 0 0 0 3 1 2 1 0 CDI 0 0 0 17 40 105 10 3 VCDI 0 0 0 53 103 2111 9690 33726

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