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: 2021-12-14

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

Model vs. observations, sea ice class contingency tables

Date: 2021-12-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7801 7783 0 266 70 4 0 0
OW 0 79 0 52 46 7 0 0
VODI 0 68 0 94 97 14 1 0
ODI 0 36 0 102 162 53 33 0
CDI 0 20 0 88 234 239 290 1
VCDI 0 8 0 78 612 1826 7364 2874

Date: 2021-12-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8158 7584 0 322 113 0 0 0
OW 0 70 0 60 41 2 0 0
VODI 0 74 0 62 79 3 0 0
ODI 0 63 0 80 101 69 32 1
CDI 0 42 0 63 222 233 290 1
VCDI 0 15 0 100 656 1750 6045 4071

Date: 2021-12-18:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8181 7532 0 332 116 0 0 0
OW 0 70 0 80 42 0 0 0
VODI 0 73 0 96 116 0 0 0
ODI 0 66 0 77 121 54 3 0
CDI 0 41 0 59 222 311 170 0
VCDI 0 26 0 112 596 2283 7000 2623

Date: 2021-12-20:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7916 7258 0 438 284 41 0 0
OW 0 52 0 33 25 9 0 0
VODI 0 60 0 55 63 17 0 0
ODI 0 56 0 57 47 43 10 0
CDI 0 69 0 84 164 287 215 5
VCDI 0 82 0 216 654 1967 6541 3654


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