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

Validation of sea ice concentration - European sector

Bulletin date: 2023-01-10

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

Model vs. observations, sea ice class contingency tables

Date: 2023-01-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25941 10971 0 453 320 115 65 0
OW 0 260 0 71 34 15 19 0
VODI 0 328 0 130 78 29 24 0
ODI 0 255 0 169 134 41 22 0
CDI 0 347 0 249 217 119 152 41
VCDI 0 187 0 468 1567 2755 6008 5084

Date: 2023-01-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25447 11496 0 473 344 125 43 0
OW 0 197 0 67 28 17 9 0
VODI 0 221 0 121 76 18 16 0
ODI 0 197 0 97 100 25 21 0
CDI 0 213 0 129 172 172 169 49
VCDI 0 341 0 606 1640 2746 6851 4442

Date: 2023-01-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25178 11034 0 543 324 127 4 0
OW 1 248 0 77 27 13 7 0
VODI 2 374 0 136 65 20 5 0
ODI 0 256 0 102 104 26 4 1
CDI 0 189 0 130 168 151 175 31
VCDI 0 417 0 622 1880 3167 7061 3999

Date: 2023-01-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 23582 12190 0 598 376 131 7 0
OW 0 198 0 71 49 10 3 0
VODI 0 247 0 102 71 23 0 0
ODI 0 193 0 123 113 22 14 0
CDI 0 157 0 160 206 177 143 4
VCDI 0 544 0 648 1996 3553 6947 4010


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