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

Validation of sea ice concentration - American sector

Bulletin date: 2021-06-29

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

Model vs. observations, sea ice class contingency tables

Date: 2021-06-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 2494 0 147 133 19 0 0
OW 0 99 0 64 128 55 0 0
VODI 0 148 0 140 224 470 149 17
ODI 0 173 0 90 370 1958 1081 229
CDI 0 155 0 214 896 6832 3326 1255
VCDI 0 21 0 98 2034 3906 5227 3177

Date: 2021-07-01:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 3 2465 0 186 206 115 1 0
OW 0 99 0 60 77 142 24 0
VODI 0 132 0 99 162 544 254 2
ODI 0 131 0 113 257 2454 992 118
CDI 0 159 0 178 626 8404 3939 588
VCDI 0 15 0 70 835 4070 5740 2069

Date: 2021-07-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 281 2270 0 176 233 214 30 0
OW 0 114 0 31 73 74 60 0
VODI 2 149 0 61 138 393 359 11
ODI 1 143 0 93 263 1765 1451 115
CDI 0 193 0 210 426 6729 6098 1146
VCDI 0 36 0 70 876 3872 6079 1094

Date: 2021-07-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 524 2236 0 200 301 193 18 0
OW 1 98 0 33 97 103 37 0
VODI 2 174 0 96 199 481 196 2
ODI 0 202 0 164 339 2010 849 82
CDI 0 262 0 275 605 8394 4395 791
VCDI 0 14 0 49 476 4112 5375 1944


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