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

Validation of sea ice concentration - European sector

Bulletin date: 2021-05-25

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

Model vs. observations, sea ice class contingency tables

Date: 2021-05-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7467 7315 0 280 109 70 12 0
OW 0 167 0 192 134 42 7 0
VODI 0 146 0 291 377 216 130 17
ODI 0 66 0 255 380 377 273 67
CDI 0 38 0 172 360 530 505 260
VCDI 0 50 0 289 1133 2640 3815 2220

Date: 2021-05-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 8278 6371 0 321 256 99 47 0
OW 0 225 0 215 196 74 39 0
VODI 0 191 0 259 452 269 101 22
ODI 0 137 0 250 373 355 144 132
CDI 0 78 0 203 381 628 262 392
VCDI 0 108 0 523 1018 2789 2413 2801

Date: 2021-05-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7911 6895 0 365 262 100 68 0
OW 0 176 0 217 288 128 55 1
VODI 0 212 0 286 488 273 116 33
ODI 0 149 0 224 331 287 227 179
CDI 0 103 0 221 335 624 508 386
VCDI 0 101 0 507 1013 2860 2401 2072

Date: 2021-05-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7700 7225 0 435 235 154 69 0
OW 0 229 0 264 251 125 58 0
VODI 0 188 0 334 479 291 143 13
ODI 0 148 0 264 406 304 285 156
CDI 0 133 0 260 372 580 608 417
VCDI 0 102 0 432 924 2330 2863 1625


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