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: 2023-12-05

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

Model vs. observations, sea ice class contingency tables

Date: 2023-12-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 27476 10787 110 521 334 260 14 0
OW 9 164 16 104 20 6 1 0
VODI 9 219 16 242 44 7 2 0
ODI 0 171 18 368 145 9 3 0
CDI 0 125 11 314 448 144 120 2
VCDI 0 27 3 290 997 2065 7435 3612

Date: 2023-12-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26875 11574 162 986 378 317 36 0
OW 1 43 8 81 35 8 0 0
VODI 0 48 8 137 64 7 1 0
ODI 0 46 7 140 99 31 5 0
CDI 0 82 10 194 222 201 116 8
VCDI 0 70 8 400 882 2157 7338 3883

Date: 2023-12-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 27416 10600 82 1193 581 409 108 0
OW 0 51 5 64 35 15 2 0
VODI 0 63 5 104 66 23 0 0
ODI 0 56 4 84 83 53 2 2
CDI 0 54 5 97 114 160 193 72
VCDI 0 105 27 466 848 2168 6429 4824

Date: 2023-12-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26862 11062 162 1088 493 331 264 0
OW 0 47 10 65 36 15 1 0
VODI 0 81 3 115 49 19 2 0
ODI 0 52 12 102 61 29 5 8
CDI 0 53 7 130 128 181 271 113
VCDI 0 151 31 565 983 2065 6204 4812


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