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

Validation of sea ice concentration - Full domain

Bulletin date: 2021-03-16

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

Model vs. observations, sea ice class contingency tables

Date: 2021-03-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 5287 7264 0 547 144 3 0 0
OW 0 37 0 89 79 7 0 0
VODI 0 35 0 106 137 12 0 0
ODI 0 17 0 71 162 88 117 7
CDI 0 6 0 41 233 380 863 502
VCDI 0 2 0 87 1099 3571 23913 55943

Date: 2021-03-18:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 5189 7427 0 388 138 5 0 0
OW 0 55 0 88 42 6 0 0
VODI 0 56 0 126 92 17 0 0
ODI 0 30 0 97 134 47 75 4
CDI 0 11 0 67 257 382 739 422
VCDI 0 4 0 91 967 3281 17642 62970

Date: 2021-03-20:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 5570 7327 0 242 18 0 0 0
OW 0 88 0 66 8 1 0 0
VODI 0 140 0 136 33 3 0 0
ODI 0 107 0 126 72 35 31 24
CDI 0 74 0 129 251 348 499 412
VCDI 0 216 0 441 1971 4037 14898 63546

Date: 2021-03-22:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 5406 7267 0 285 78 8 0 0
OW 0 111 0 62 27 2 0 0
VODI 0 144 0 105 45 7 0 0
ODI 0 114 0 71 97 58 75 53
CDI 0 139 0 121 280 316 542 592
VCDI 0 401 0 610 1966 3619 14698 63550


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