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: 2022-04-26

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

Model vs. observations, sea ice class contingency tables

Date: 2022-04-26:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25348 15543 0 566 317 32 2 0
OW 2 147 0 217 127 17 8 0
VODI 0 167 0 297 468 185 41 4
ODI 0 77 0 317 819 614 335 49
CDI 0 38 0 261 1045 1303 1860 439
VCDI 0 54 0 268 1841 7178 32551 60858

Date: 2022-04-28:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25151 15470 0 637 333 65 7 0
OW 4 193 0 159 105 57 5 0
VODI 4 213 0 345 407 228 83 4
ODI 3 126 0 374 813 943 307 159
CDI 0 51 0 283 1140 1886 1360 760
VCDI 0 129 0 357 2346 11439 30441 57008

Date: 2022-04-30:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25122 15258 0 781 474 52 45 3
OW 6 154 0 185 132 17 23 6
VODI 2 248 0 299 644 328 122 36
ODI 0 180 0 303 1186 850 332 124
CDI 0 77 0 299 1287 2258 1540 752
VCDI 0 182 0 383 2550 12134 30893 54128

Date: 2022-05-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25386 15257 0 836 429 121 50 18
OW 0 161 0 170 184 73 44 13
VODI 0 238 0 244 579 421 117 38
ODI 0 150 0 304 885 887 476 92
CDI 0 69 0 290 1289 2262 1966 733
VCDI 0 163 0 393 2859 11483 31951 52764


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