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

Validation of sea ice concentration - European sector

Bulletin date: 2018-11-15

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

Model vs. observations, sea ice class contingency tables

Date: 2018-11-09:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 88170 8584 58 285 75 5 0 0
OW 19 307 26 195 245 17 0 0
VODI 0 121 26 179 214 161 0 0
ODI 0 25 7 121 152 233 37 0
CDI 0 1 4 97 232 303 216 0
VCDI 0 0 0 18 259 3157 3878 1673
...date precedes bulletin

Date: 2018-11-11:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 86447 9488 68 260 82 4 0 0
OW 20 485 30 309 228 2 0 0
VODI 0 141 25 216 326 106 0 0
ODI 0 41 8 122 195 147 36 0
CDI 0 20 1 81 228 275 140 0
VCDI 0 4 3 10 260 3224 4223 1845
...date precedes bulletin

Date: 2018-11-13:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 86300 9541 90 300 93 13 0 0
OW 23 219 24 250 169 1 0 0
VODI 0 79 16 246 388 82 0 0
ODI 0 29 6 98 250 119 5 0
CDI 0 19 1 35 227 341 190 0
VCDI 0 6 4 30 167 2214 5227 2298
...date precedes bulletin

Date: 2018-11-15:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85232 10009 77 281 76 26 0 0
OW 28 374 29 241 52 0 0 0
VODI 1 148 23 271 235 9 0 0
ODI 0 22 6 142 434 25 0 0
CDI 0 19 3 57 398 108 2 0
VCDI 0 0 2 33 312 2462 5660 2303
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85232 10079 79 273 77 26 0 0
OW 28 321 28 220 41 1 0 0
VODI 1 132 25 313 203 8 0 0
ODI 0 24 3 137 438 22 0 0
CDI 0 16 3 49 466 165 3 0
VCDI 0 0 2 33 282 2408 5659 2303

Date: 2018-11-17:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85460 9204 72 259 111 66 3 0
OW 29 379 37 208 106 13 0 0
VODI 0 162 17 293 214 15 0 0
ODI 0 24 5 139 339 33 0 0
CDI 0 8 3 97 414 176 1 0
VCDI 0 1 1 47 388 2941 5285 2550
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 85460 9262 71 267 117 63 3 0
OW 29 358 39 198 97 14 0 0
VODI 0 130 17 296 196 16 0 0
ODI 0 19 4 156 333 26 0 0
CDI 0 7 3 80 517 153 0 0
VCDI 0 2 1 46 312 2972 5286 2550

Date: 2018-11-19:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 84041 10750 104 298 96 56 0 0
OW 29 223 40 408 134 3 0 0
VODI 0 16 11 281 279 4 0 0
ODI 0 4 1 71 405 32 0 0
CDI 0 0 1 31 463 322 0 0
VCDI 0 0 0 16 312 3772 4891 2006
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 84041 10380 77 271 132 59 0 0
OW 29 318 33 194 61 2 0 0
VODI 0 216 37 294 172 3 0 0
ODI 0 77 7 220 227 41 0 0
CDI 0 2 3 81 491 180 2 0
VCDI 0 0 0 45 606 3904 4889 2006

Date: 2018-11-21:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 84278 9806 97 368 137 43 0 0
OW 37 291 43 277 134 0 0 0
VODI 0 136 19 323 285 9 0 0
ODI 0 59 12 160 282 44 0 0
CDI 0 46 1 113 359 245 0 0
VCDI 0 3 0 65 804 3543 4709 2372
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 84277 9533 88 378 208 43 0 0
OW 38 258 33 187 97 6 0 0
VODI 0 249 24 263 221 12 0 0
ODI 0 164 14 157 201 68 0 0
CDI 0 84 12 188 263 239 6 0
VCDI 0 53 1 133 1011 3516 4703 2372

Date: 2018-11-23:

Best estimate Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 82855 10654 99 462 257 85 0 0
OW 35 353 35 196 135 3 0 0
VODI 0 172 35 254 257 21 0 0
ODI 0 39 15 249 251 72 0 0
CDI 0 4 7 160 388 253 0 0
VCDI 0 0 0 57 719 3530 4728 2720
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 82852 10381 83 444 318 98 0 0
OW 38 381 28 128 110 19 0 0
VODI 0 269 35 221 201 40 0 0
ODI 0 136 26 219 216 80 0 0
CDI 0 50 15 206 326 211 0 0
VCDI 0 5 4 160 836 3516 4728 2720


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