Validation of sea ice concentration

Bulletin date: 2012-02-01

Model vs. observations, sea ice class contingency tables

Date: 2012-01-26:

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 14388 6400 643 234 120 35 5 0
OW 1 294 144 127 124 67 13 0
VODI 0 390 155 227 179 180 20 0
ODI 0 99 107 167 141 318 55 0
CDI 0 11 53 161 188 475 410 9
VCDI 0 0 6 32 178 1127 6878 3258
...date precedes bulletin

Date: 2012-01-30:

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 14501 6408 820 121 44 14 4 0
OW 0 194 286 151 133 24 20 0
VODI 0 225 190 240 306 93 61 2
ODI 0 195 129 184 275 326 164 7
CDI 0 9 68 109 179 515 563 15
VCDI 0 0 39 26 98 554 6258 3869
...date precedes bulletin

Date: 2012-02-01:

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 15084 6740 746 682 255 36 43 0
OW 0 215 194 340 255 141 93 0
VODI 0 55 86 137 274 338 253 2
ODI 0 57 48 99 160 265 466 10
CDI 0 2 47 62 127 262 794 13
VCDI 0 0 3 27 106 153 4751 3998
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15084 6412 749 540 187 70 98 0
OW 0 88 43 82 57 60 40 0
VODI 0 140 47 146 153 103 120 4
ODI 0 152 46 117 134 152 187 8
CDI 0 136 74 150 146 236 414 11
VCDI 0 141 165 312 500 574 5541 4000

Date: 2012-02-05:

Best estimate Forecast
...observations not yet available ...observations not yet available

Date: 2012-02-07:

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 14265 6898 624 73 13 5 2 0
OW 0 515 378 199 72 16 16 0
VODI 0 601 269 386 256 180 32 0
ODI 0 535 137 257 294 286 231 2
CDI 0 77 47 133 201 434 605 6
VCDI 0 0 62 90 153 719 4710 3640
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14265 6995 944 309 131 51 62 0
OW 0 208 44 40 29 22 22 0
VODI 0 350 63 140 68 87 27 0
ODI 0 392 108 135 108 136 105 0
CDI 0 393 128 127 149 229 355 5
VCDI 0 288 230 387 504 1115 5025 3643

Date: 2012-02-09:

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 15703 6852 640 532 84 29 6 0
OW 0 376 135 549 154 40 13 0
VODI 0 24 43 369 398 137 77 0
ODI 0 5 14 94 252 280 303 0
CDI 0 0 42 89 168 209 932 13
VCDI 0 0 18 42 74 271 4771 3681
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15703 5967 506 362 113 46 92 0
OW 0 196 50 108 48 32 23 0
VODI 0 260 73 186 82 57 47 0
ODI 0 352 75 197 90 72 138 0
CDI 0 341 48 264 178 106 467 6
VCDI 0 141 140 558 619 653 5335 3688


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