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

Validation of sea ice concentration - Asian sector

Bulletin date: 2023-10-17

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

Model vs. observations, sea ice class contingency tables

Date: 2023-10-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 3810 7663 144 1169 170 18 0 0
OW 0 256 9 238 102 13 0 0
VODI 0 254 18 367 298 51 0 0
ODI 0 64 8 223 354 90 2 0
CDI 0 3 0 99 461 279 61 15
VCDI 0 0 0 18 590 1676 5214 8546

Date: 2023-10-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 3465 4902 124 2000 986 126 1 0
OW 0 167 15 256 163 56 0 0
VODI 0 195 23 307 339 142 4 0
ODI 0 248 4 286 328 199 13 0
CDI 0 28 0 99 380 364 25 3
VCDI 0 1 0 1 526 1981 6321 8205

Date: 2023-10-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 3278 4151 69 1089 1015 931 10 0
OW 0 73 9 241 136 90 1 0
VODI 0 162 19 497 314 180 6 0
ODI 0 244 27 449 402 278 17 0
CDI 0 142 22 349 396 434 52 23
VCDI 0 47 5 96 738 2493 7711 6087

Date: 2023-10-23:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2869 3932 112 931 1107 859 0 0
OW 0 55 7 112 146 174 0 0
VODI 0 77 6 230 365 356 5 0
ODI 0 43 5 254 564 481 2 0
CDI 0 18 2 371 739 646 110 15
VCDI 0 13 7 214 1071 3050 5935 7400


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