Validation of sea ice concentration

Bulletin date: 2016-03-03

Model vs. observations, sea ice class contingency tables

Date: 2016-02-26:

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 14907 6427 529 120 31 3 4 0
OW 0 373 269 148 80 22 9 0
VODI 0 182 300 518 306 140 38 0
ODI 0 79 114 254 353 277 237 0
CDI 0 16 101 153 307 325 681 2
VCDI 0 3 100 259 322 491 5990 3689
...date precedes bulletin

Date: 2016-03-01:

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 14216 6662 928 234 43 14 0 0
OW 0 163 241 152 62 33 2 0
VODI 0 100 230 227 155 119 44 0
ODI 0 73 111 118 204 373 177 0
CDI 0 55 36 99 157 560 714 11
VCDI 0 3 18 93 160 973 6882 3717
...date precedes bulletin

Date: 2016-03-03:

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 14534 6575 599 168 23 10 0 0
OW 0 258 247 124 49 31 12 0
VODI 0 141 239 219 146 57 26 0
ODI 0 44 105 267 309 116 124 0
CDI 0 27 38 164 242 403 595 14
VCDI 0 34 64 112 217 731 6790 4305
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14534 6593 597 167 23 23 1 0
OW 0 245 241 113 38 15 8 0
VODI 0 133 242 222 158 41 29 0
ODI 0 48 103 259 284 123 104 0
CDI 0 29 43 174 258 379 559 15
VCDI 0 31 66 119 225 767 6846 4304

Date: 2016-03-07:

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 14459 6886 765 231 48 5 5 0
OW 0 302 317 278 108 16 12 0
VODI 0 86 187 330 385 135 82 4
ODI 0 18 79 210 332 256 302 31
CDI 0 18 28 102 226 385 780 44
VCDI 0 5 36 47 117 295 5806 4401
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14459 6632 612 185 44 6 5 0
OW 0 294 203 138 56 21 13 0
VODI 0 165 235 201 202 83 46 2
ODI 0 89 100 201 208 155 218 22
CDI 0 46 89 196 297 219 507 39
VCDI 0 89 173 277 409 608 6198 4417

Date: 2016-03-09:

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 14544 6661 717 185 72 14 3 0
OW 0 374 242 207 109 82 12 0
VODI 0 159 183 226 304 292 70 0
ODI 0 23 92 189 201 420 233 0
CDI 0 22 44 136 182 483 745 17
VCDI 0 4 20 65 98 375 6289 4065
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14544 6603 583 117 43 7 4 0
OW 0 314 195 125 44 21 8 0
VODI 0 165 247 176 178 169 54 0
ODI 0 53 87 154 182 271 161 3
CDI 0 45 49 202 217 423 581 17
VCDI 0 63 137 234 302 775 6544 4062

Date: 2016-03-11:

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 14794 6695 541 153 38 13 6 0
OW 0 358 327 201 120 24 19 0
VODI 0 234 295 244 271 128 44 0
ODI 0 49 184 193 322 266 213 0
CDI 0 40 74 129 214 313 757 12
VCDI 0 3 48 75 134 295 6648 3685
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14794 6412 460 139 34 11 10 0
OW 0 291 187 113 49 12 18 0
VODI 0 253 228 178 154 76 44 0
ODI 0 217 164 143 203 131 145 0
CDI 0 85 196 143 216 285 555 0
VCDI 0 121 234 279 443 524 6915 3697


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