Validation of sea ice concentration

Bulletin date: 2011-10-12

Model vs. observations, sea ice class contingency tables

Date: 2011-10-06:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29827 242 126 79 4
VODI 59 31 106 77 11
ODI 15 17 56 105 40
CDI 5 16 65 150 102
VCDI 4 58 72 886 5266
...date precedes bulletin

Date: 2011-10-10:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29240 334 143 75 16
VODI 43 108 101 68 16
ODI 5 31 109 108 36
CDI 1 20 82 129 54
VCDI 0 9 96 795 5800
...date precedes bulletin

Date: 2011-10-12:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28959 454 177 81 39
VODI 48 114 123 67 30
ODI 1 41 117 61 31
CDI 0 7 77 127 69
VCDI 0 4 100 721 5971
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28937 389 173 68 36
VODI 61 147 92 80 31
ODI 9 51 122 69 27
CDI 1 29 83 110 90
VCDI 0 4 124 730 5956

Date: 2011-10-14:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28970 453 193 74 28
VODI 56 112 90 64 40
ODI 21 41 56 60 64
CDI 6 41 65 79 106
VCDI 0 37 194 540 6029
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28907 379 164 73 33
VODI 91 120 64 66 48
ODI 34 84 79 54 67
CDI 14 40 90 97 100
VCDI 7 61 201 527 6019

Date: 2011-10-18:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28894 274 131 118 48
VODI 190 119 52 52 31
ODI 44 76 40 61 40
CDI 9 68 71 87 82
VCDI 1 70 240 636 5985
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28806 210 118 125 51
VODI 237 141 65 60 30
ODI 70 95 32 50 51
CDI 19 75 65 89 76
VCDI 6 86 254 630 5978

Date: 2011-10-20:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29005 364 136 75 21
VODI 140 102 63 63 27
ODI 47 37 33 53 44
CDI 29 36 61 83 77
VCDI 26 63 151 459 6224
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28661 237 144 84 26
VODI 335 137 43 46 21
ODI 165 82 33 61 46
CDI 41 61 51 88 95
VCDI 45 85 173 454 6205


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