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: 2024-07-09

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

Model vs. observations, sea ice class contingency tables

Date: 2024-07-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 4524 4401 55 351 233 36 0 0
OW 10 181 15 89 74 16 0 0
VODI 15 371 26 246 310 182 4 0
ODI 4 1130 61 895 1235 1097 28 0
CDI 0 495 27 726 3629 4737 248 0
VCDI 0 28 4 207 4201 14302 1403 0

Date: 2024-07-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 4735 4925 37 468 411 10 0 0
OW 2 183 9 99 81 19 0 0
VODI 1 402 23 291 305 174 0 0
ODI 0 838 47 833 994 1218 3 0
CDI 0 385 19 734 2194 5366 15 0
VCDI 0 69 11 286 2344 18024 41 0

Date: 2024-07-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 4845 5600 51 506 496 26 0 0
OW 0 183 10 96 58 8 0 0
VODI 0 388 31 314 258 144 1 0
ODI 0 644 60 712 1053 1079 7 0
CDI 0 313 22 814 2740 4451 39 0
VCDI 0 150 12 385 4801 14931 368 0

Date: 2024-07-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 5191 6096 36 501 459 52 0 0
OW 0 170 7 98 56 9 1 0
VODI 0 360 14 298 191 159 3 0
ODI 0 550 27 667 760 1151 28 0
CDI 0 303 33 760 2416 4623 146 0
VCDI 0 212 14 472 4285 14694 754 0


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