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

Validation of sea ice concentration - Full domain

Bulletin date: 2022-04-12

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

Model vs. observations, sea ice class contingency tables

Date: 2022-04-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26045 14812 0 643 327 54 39 0
OW 2 136 0 202 183 8 14 0
VODI 3 185 0 262 457 103 100 10
ODI 2 161 0 243 636 503 391 11
CDI 0 144 0 252 967 1165 1605 121
VCDI 2 141 0 225 2049 7407 27871 65914

Date: 2022-04-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25800 15048 0 878 484 69 45 0
OW 3 119 0 117 135 14 6 0
VODI 1 130 0 201 380 117 44 0
ODI 2 126 0 206 668 499 387 17
CDI 2 138 0 262 1120 1391 2008 264
VCDI 1 129 0 317 2083 6762 29596 63826

Date: 2022-04-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26028 14611 0 848 658 113 15 0
OW 1 132 0 92 155 24 5 0
VODI 3 179 0 117 371 174 66 1
ODI 5 163 0 154 666 617 427 47
CDI 2 194 0 199 1127 1557 1648 418
VCDI 2 220 0 269 1973 7081 29480 63553

Date: 2022-04-18:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26263 14441 0 916 431 126 65 0
OW 3 189 0 94 116 28 8 0
VODI 4 274 0 158 345 192 111 7
ODI 5 214 0 167 576 725 430 38
CDI 1 214 0 207 916 1413 1710 264
VCDI 0 175 0 265 1832 6919 32797 60756


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