Validation of sea ice concentration

Bulletin date: 2011-08-17

Model vs. observations, sea ice class contingency tables

Date: 2011-08-11:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28619 702 806 798 727
VODI 9 99 149 221 1600
ODI 0 25 93 149 1230
CDI 0 2 10 41 2121
VCDI 0 9 3 4 2
...date precedes bulletin

Date: 2011-08-15:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 28918 929 908 474 735
VODI 24 91 161 318 1546
ODI 0 13 95 189 932
CDI 0 8 18 62 1993
VCDI 0 1 2 0 2
...date precedes bulletin

Date: 2011-08-17:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29297 919 718 674 990
VODI 0 74 206 239 1174
ODI 0 7 62 197 956
CDI 0 0 13 21 1869
VCDI 0 0 0 1 2
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29279 900 706 620 875
VODI 18 88 175 268 1630
ODI 0 11 91 169 1116
CDI 0 1 27 74 1342
VCDI 0 0 0 1 28

Date: 2011-08-19:

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

Date: 2011-08-23:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29695 763 818 661 722
VODI 5 48 155 243 1311
ODI 0 11 107 171 1212
CDI 0 5 20 41 1428
VCDI 0 0 1 0 2
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29697 771 848 726 1809
VODI 3 40 161 222 644
ODI 0 12 60 96 1124
CDI 0 4 31 72 1097
VCDI 0 0 1 0 1

Date: 2011-08-25:

Best estimate Forecast
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29817 719 692 909 660
VODI 2 39 157 217 1339
ODI 0 1 60 176 1199
CDI 0 5 22 26 1376
VCDI 0 0 0 3 0
observations
water VODI ODI CDI VCDI
m
o
d
e
l
water 29818 713 708 924 1677
VODI 1 44 142 234 744
ODI 0 4 59 106 1071
CDI 0 3 22 64 1082
VCDI 0 0 0 3 0


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