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: 2021-07-13

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

Model vs. observations, sea ice class contingency tables

Date: 2021-07-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 951 2635 0 233 125 17 0 0
OW 18 109 0 62 158 37 0 0
VODI 9 139 0 112 390 727 18 0
ODI 4 149 0 209 1111 4078 358 5
CDI 0 143 0 250 2394 11362 998 77
VCDI 0 8 0 11 329 5495 2391 217

Date: 2021-07-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 629 2924 0 242 345 62 10 0
OW 18 112 0 59 86 115 8 0
VODI 6 179 0 127 281 954 42 0
ODI 1 140 0 206 839 4319 289 0
CDI 0 108 0 227 1640 13092 1133 0
VCDI 0 13 0 16 166 5702 1239 0

Date: 2021-07-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1241 2332 0 245 320 110 0 0
OW 6 167 0 38 103 125 0 0
VODI 2 241 0 117 462 864 30 0
ODI 0 257 0 182 1385 3840 409 0
CDI 0 129 0 222 2769 11443 2469 0
VCDI 0 7 0 12 284 3539 1979 0

Date: 2021-07-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 525 3164 0 258 345 124 3 0
OW 0 149 0 34 144 82 3 0
VODI 0 268 0 137 712 573 52 0
ODI 0 284 0 248 2499 3490 526 0
CDI 0 162 0 259 3421 9924 3110 1
VCDI 0 3 0 11 232 2567 2019 0


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