Validation of sea ice concentration

Bulletin date: 2011-05-04

Model vs. observations, sea ice class contingency tables

Date: 2011-04-28:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20444 310 334 306 380
VODI 186 174 113 194 280
ODI 100 117 155 239 340
CDI 77 108 131 316 866
VCDI 36 73 109 643 11388
...date precedes bulletin

Date: 2011-05-02:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20501 469 383 243 356
VODI 205 243 221 172 228
ODI 156 225 153 188 306
CDI 152 155 222 447 941
VCDI 92 100 202 1033 10026
...date precedes bulletin

Date: 2011-05-04:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20431 391 423 535 302
VODI 178 231 224 294 242
ODI 135 171 98 235 353
CDI 139 84 220 301 1214
VCDI 47 89 166 325 10591
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20357 403 438 580 269
VODI 249 245 217 264 266
ODI 177 146 112 208 386
CDI 110 100 157 281 1298
VCDI 37 72 207 357 10483

Date: 2011-05-06:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20467 422 423 545 367
VODI 155 155 181 344 238
ODI 108 146 82 290 457
CDI 87 81 145 450 1224
VCDI 95 127 216 917 9697
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20444 429 448 641 349
VODI 161 158 163 284 306
ODI 128 148 90 248 479
CDI 103 78 123 441 1189
VCDI 76 118 223 932 9660

Date: 2011-05-10:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20310 547 601 562 414
VODI 189 100 280 321 166
ODI 83 74 221 424 370
CDI 76 56 143 568 1083
VCDI 63 42 169 737 9820
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20269 551 651 585 393
VODI 240 97 263 339 214
ODI 83 71 217 370 427
CDI 63 45 131 506 916
VCDI 66 55 152 812 9903

Date: 2011-05-12:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20635 665 440 331 475
VODI 229 201 147 237 234
ODI 129 184 159 288 402
CDI 81 133 189 447 909
VCDI 78 117 221 989 9499
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 20569 729 466 367 449
VODI 304 205 149 209 237
ODI 118 166 172 271 450
CDI 71 73 150 418 843
VCDI 90 127 219 1027 9540


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