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

Validation of sea ice concentration - American sector

Bulletin date: 2024-05-21

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

Model vs. observations, sea ice class contingency tables

Date: 2024-05-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 8 0 4 0 1 0 0
OW 0 35 0 28 13 1 8 0
VODI 1 379 7 246 168 100 118 3
ODI 1 637 24 579 524 363 505 73
CDI 2 236 3 413 742 1049 1916 737
VCDI 0 77 9 278 793 2892 14114 18509

Date: 2024-05-23:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 684 2 98 39 4 2 0
OW 0 150 11 57 38 11 16 0
VODI 0 370 29 319 193 108 145 5
ODI 0 209 18 532 403 340 548 85
CDI 0 103 9 436 651 857 1944 886
VCDI 0 169 6 340 822 2456 13553 18948

Date: 2024-05-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 50 1207 7 262 86 9 10 0
OW 0 103 1 107 38 15 29 5
VODI 0 142 4 256 177 121 165 15
ODI 0 136 12 420 385 314 525 229
CDI 0 90 10 329 590 712 1623 1332
VCDI 0 168 11 366 805 2353 11823 20554

Date: 2024-05-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 149 1368 18 310 136 18 19 0
OW 0 79 2 88 43 21 40 0
VODI 0 131 8 218 194 143 184 27
ODI 0 122 11 408 352 302 509 136
CDI 0 117 21 340 568 675 1658 1119
VCDI 0 207 27 424 1174 3082 15983 15165


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