Validation of sea ice concentration

Bulletin date: 2012-01-11

Model vs. observations, sea ice class contingency tables

Date: 2012-01-05:

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 15406 6956 429 189 36 6 3 0
OW 0 249 254 258 82 25 8 0
VODI 0 104 146 216 197 190 31 0
ODI 0 61 45 102 174 529 264 0
CDI 0 11 45 128 140 697 948 1
VCDI 0 0 0 25 130 868 4587 3879
...date precedes bulletin

Date: 2012-01-09:

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 14481 6997 527 253 111 27 1 0
OW 0 178 208 145 119 165 12 0
VODI 0 75 138 200 157 351 22 0
ODI 0 19 84 105 114 406 155 16
CDI 0 1 18 87 77 585 356 85
VCDI 0 0 1 14 49 1337 5529 4214
...date precedes bulletin

Date: 2012-01-11:

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 14194 6998 1143 325 56 16 0 0
OW 1 136 197 257 121 80 7 0
VODI 0 15 117 242 198 203 42 0
ODI 0 3 19 111 158 355 151 0
CDI 0 0 6 49 92 552 694 12
VCDI 0 0 0 10 25 845 6580 3409
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14195 6992 1094 510 198 207 144 0
OW 0 68 63 73 54 58 37 0
VODI 0 58 83 94 75 109 40 0
ODI 0 11 72 39 74 151 80 0
CDI 0 13 75 64 70 343 301 13
VCDI 0 10 95 214 179 1183 6872 3408

Date: 2012-01-15:

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

Date: 2012-01-17:

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 14411 6793 640 204 58 24 8 0
OW 0 195 277 294 77 77 12 0
VODI 0 55 103 324 270 199 64 0
ODI 0 41 56 96 198 335 141 6
CDI 0 6 42 104 136 481 699 82
VCDI 0 0 22 36 80 467 5544 4762
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14411 6794 821 545 208 172 162 0
OW 0 63 58 94 70 53 21 0
VODI 0 74 41 101 126 121 58 0
ODI 0 48 29 51 97 145 105 9
CDI 0 40 73 84 127 346 365 83
VCDI 0 71 118 183 191 746 5757 4758

Date: 2012-01-19:

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 15498 6288 1103 299 45 11 4 0
OW 0 250 315 265 103 37 13 0
VODI 0 38 89 262 236 166 59 0
ODI 0 2 32 141 145 235 203 4
CDI 0 0 19 115 221 347 839 21
VCDI 0 0 1 19 97 453 6184 3260
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15498 6179 869 365 98 60 169 0
OW 0 93 82 87 20 21 16 0
VODI 0 109 102 112 79 44 58 0
ODI 0 52 75 83 70 74 99 4
CDI 0 40 126 120 138 118 209 19
VCDI 0 105 305 334 442 932 6751 3262


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