Validation of sea ice concentration

Bulletin date: 2011-09-21

Model vs. observations, sea ice class contingency tables

Date: 2011-09-15:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 30380 447 348 145 79
VODI 22 65 258 239 151
ODI 0 12 83 173 651
CDI 0 23 63 283 1308
VCDI 0 15 88 144 2442
...date precedes bulletin

Date: 2011-09-19:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29972 644 343 128 44
VODI 46 96 190 151 129
ODI 2 10 122 191 431
CDI 0 0 39 246 827
VCDI 1 0 28 439 3340
...date precedes bulletin

Date: 2011-09-21:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29906 624 331 147 48
VODI 54 131 151 138 88
ODI 1 12 107 249 135
CDI 0 12 23 286 595
VCDI 0 29 139 476 3737
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29900 673 382 163 56
VODI 54 77 137 162 72
ODI 7 19 72 275 262
CDI 0 8 21 265 568
VCDI 0 31 139 431 3645

Date: 2011-09-23:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 30195 432 185 154 67
VODI 56 186 175 96 100
ODI 5 24 97 213 160
CDI 0 4 17 320 443
VCDI 0 34 138 421 3897
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 30187 492 259 196 97
VODI 65 117 129 126 89
ODI 3 32 63 268 181
CDI 1 6 30 261 532
VCDI 0 33 131 353 3768

Date: 2011-09-27:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 30205 368 222 43 56
VODI 102 158 209 98 82
ODI 3 46 124 216 177
CDI 0 7 31 238 536
VCDI 0 0 11 579 3908
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 30221 446 276 85 66
VODI 86 80 135 137 97
ODI 3 42 116 143 247
CDI 0 11 61 206 529
VCDI 0 0 9 603 3820

Date: 2011-09-29:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 30144 285 178 118 16
VODI 64 91 128 143 69
ODI 3 32 70 210 207
CDI 0 41 33 184 460
VCDI 0 0 10 405 4528
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 30143 322 248 183 33
VODI 62 51 74 201 135
ODI 6 20 51 115 248
CDI 0 52 34 132 464
VCDI 0 4 12 429 4400


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