Validation of sea ice concentration

Bulletin date: 2014-09-25

Model vs. observations, sea ice class contingency tables

Date: 2014-09-19:

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 22253 4869 948 440 80 3 0 0
OW 0 55 99 117 60 20 4 0
VODI 0 11 77 199 110 53 12 0
ODI 0 0 22 124 139 73 41 0
CDI 0 0 2 104 264 310 309 0
VCDI 0 0 3 41 155 409 2687 2974
...date precedes bulletin

Date: 2014-09-23:

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 21891 5050 1203 507 159 15 0 0
OW 0 0 192 119 103 22 0 0
VODI 0 0 104 129 143 60 6 0
ODI 0 0 17 147 180 142 43 0
CDI 0 0 1 109 245 319 648 14
VCDI 0 0 0 1 33 101 2062 3302
...date precedes bulletin

Date: 2014-09-25:

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 22798 4587 959 401 68 22 2 0
OW 0 47 114 133 93 29 13 0
VODI 0 16 124 109 123 66 30 0
ODI 0 1 57 65 148 64 40 0
CDI 0 0 35 113 225 249 328 0
VCDI 0 0 76 74 107 156 2730 2865
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22798 4579 921 426 87 24 5 0
OW 0 49 148 114 79 23 9 0
VODI 0 22 125 98 111 66 27 0
ODI 0 1 67 65 150 66 40 0
CDI 0 0 23 121 225 246 312 0
VCDI 0 0 81 71 112 161 2750 2865

Date: 2014-09-29:

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 23561 4162 415 80 22 4 0 0
OW 0 150 126 67 23 2 0 0
VODI 0 76 148 165 106 35 9 0
ODI 0 10 58 159 177 114 68 0
CDI 0 0 19 101 295 297 296 0
VCDI 0 0 10 18 167 401 2558 3168
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 23561 4188 354 82 23 4 0 0
OW 0 104 206 68 49 11 1 0
VODI 0 57 97 135 71 41 14 0
ODI 0 27 53 120 126 44 33 0
CDI 0 22 41 88 159 158 160 0
VCDI 0 0 25 97 362 595 2723 3168

Date: 2014-10-01:

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 22392 4513 759 275 76 21 2 0
OW 0 6 98 176 59 12 3 0
VODI 0 0 58 188 131 20 2 0
ODI 0 0 19 165 193 60 24 0
CDI 0 0 15 113 240 189 127 0
VCDI 0 0 0 104 378 644 3239 2766
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22392 4479 779 269 68 22 2 0
OW 0 25 76 198 70 17 2 0
VODI 0 13 48 177 129 22 3 0
ODI 0 2 26 145 149 35 14 0
CDI 0 0 20 95 194 114 59 0
VCDI 0 0 0 137 467 736 3317 2766

Date: 2014-10-03:

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 22016 4775 752 282 86 16 1 0
OW 0 45 115 163 127 23 1 0
VODI 0 13 59 87 176 68 17 0
ODI 0 6 22 77 122 94 47 0
CDI 0 0 17 74 132 193 162 0
VCDI 0 0 1 80 154 290 3165 3609
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22016 4728 790 366 142 38 6 0
OW 0 68 79 85 155 32 13 0
VODI 0 28 45 74 125 76 36 0
ODI 0 10 25 78 79 75 38 0
CDI 0 5 24 83 123 148 109 2
VCDI 0 0 3 77 173 315 3191 3607


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