Validation of sea ice concentration

Bulletin date: 2011-03-02

Model vs. observations, sea ice class contingency tables

Date: 2011-02-24:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 19672 326 289 167 110
VODI 136 92 75 127 83
ODI 72 91 106 125 126
CDI 51 89 90 219 342
VCDI 74 165 257 1176 13359
...date precedes bulletin

Date: 2011-02-28:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 20205 220 154 214 78
VODI 255 130 127 152 97
ODI 130 78 127 220 175
CDI 70 88 133 281 460
VCDI 56 101 210 1175 12483
...date precedes bulletin

Date: 2011-03-02:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 20124 306 170 113 115
VODI 240 184 168 95 68
ODI 153 83 153 143 155
CDI 116 82 136 223 529
VCDI 96 150 251 1087 12479
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 20033 308 192 125 121
VODI 264 160 129 90 77
ODI 178 101 187 135 190
CDI 116 72 129 231 458
VCDI 138 164 241 1080 12500

Date: 2011-03-04:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 19685 457 191 284 36
VODI 167 149 174 134 60
ODI 108 80 192 193 94
CDI 134 64 196 256 346
VCDI 94 167 292 1301 12565
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 19612 462 212 270 38
VODI 210 127 144 148 71
ODI 122 81 217 172 131
CDI 119 81 169 266 326
VCDI 125 166 303 1312 12535

Date: 2011-03-08:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 19494 416 253 359 77
VODI 112 78 100 201 92
ODI 45 65 91 251 140
CDI 40 45 103 328 408
VCDI 12 55 137 1100 13417
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 19397 394 255 381 107
VODI 149 79 96 210 88
ODI 65 64 98 243 192
CDI 45 49 74 299 380
VCDI 47 73 161 1106 13367

Date: 2011-03-10:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 20066 420 215 142 33
VODI 140 198 120 137 92
ODI 66 113 147 171 168
CDI 46 54 149 235 454
VCDI 60 77 197 809 13110
observations
water VODI ODI CDI VCDI
m
o
d
e
l		 water 19954 402 196 129 56
VODI 190 207 166 144 89
ODI 83 113 132 197 181
CDI 70 61 123 231 426
VCDI 81 79 211 793 13105


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