Validation of sea ice concentration

Bulletin date: 2014-09-11

Model vs. observations, sea ice class contingency tables

Date: 2014-09-05:

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 22839 4794 883 224 64 14 0 0
OW 0 16 145 129 62 20 1 0
VODI 0 8 75 131 126 37 20 0
ODI 0 11 22 93 93 108 93 0
CDI 0 18 6 30 167 244 668 1
VCDI 0 6 7 11 36 148 2996 2721
...date precedes bulletin

Date: 2014-09-09:

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 22375 5257 742 350 79 16 0 0
OW 0 52 65 125 83 16 3 0
VODI 0 14 55 154 127 38 13 0
ODI 0 5 14 89 75 84 99 0
CDI 0 3 19 54 151 223 461 0
VCDI 0 0 0 21 66 154 3447 2538
...date precedes bulletin

Date: 2014-09-11:

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 21921 5048 1372 331 62 6 7 0
OW 0 37 139 118 46 10 2 0
VODI 0 18 84 142 92 37 12 0
ODI 0 6 28 92 109 89 59 0
CDI 0 3 23 98 169 239 370 0
VCDI 0 0 0 9 76 149 3484 2580
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21921 5062 1432 355 75 10 7 0
OW 0 27 105 113 38 10 2 0
VODI 0 14 61 138 102 37 19 0
ODI 0 7 29 81 98 90 55 0
CDI 0 2 19 94 173 243 402 0
VCDI 0 0 0 9 68 140 3449 2580

Date: 2014-09-15:

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 22609 5029 937 188 52 15 0 0
OW 0 13 106 97 51 26 5 0
VODI 0 1 53 204 96 50 25 0
ODI 0 0 17 117 122 96 109 0
CDI 0 0 6 61 172 276 538 0
VCDI 0 0 3 5 42 178 2847 2921
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22609 4977 867 180 63 16 0 0
OW 0 57 101 129 50 18 4 0
VODI 0 8 94 127 71 49 23 0
ODI 0 1 46 108 93 72 90 0
CDI 0 0 13 123 198 257 467 0
VCDI 0 0 1 5 60 229 2940 2921

Date: 2014-09-17:

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 22715 4482 1105 453 44 5 0 0
OW 0 57 88 107 55 26 5 0
VODI 0 20 88 163 91 50 20 0
ODI 0 9 25 98 126 103 59 0
CDI 0 4 12 101 177 268 434 0
VCDI 0 0 2 28 51 220 2974 2802
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22711 4353 1029 428 45 6 0 0
OW 4 120 64 87 57 21 3 0
VODI 0 81 114 123 87 51 21 0
ODI 0 12 86 119 90 90 65 0
CDI 0 6 25 168 197 234 339 0
VCDI 0 0 2 25 68 270 3064 2802

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
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22243 4742 899 408 91 5 0 0
OW 10 139 82 92 45 11 1 0
VODI 0 46 104 179 94 47 4 0
ODI 0 8 50 145 143 80 26 0
CDI 0 0 12 137 255 304 323 0
VCDI 0 0 4 64 180 421 2699 2974


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