Validation of sea ice concentration

Bulletin date: 2016-08-04

Model vs. observations, sea ice class contingency tables

Date: 2016-07-29:

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 24165 5456 1116 440 180 63 25 0
OW 0 0 14 106 116 91 67 0
VODI 0 0 8 51 233 292 243 2
ODI 0 0 1 7 50 194 873 29
CDI 0 0 1 5 7 10 1507 2772
VCDI 0 0 4 2 4 0 24 1
...date precedes bulletin

Date: 2016-08-02:

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 24466 5273 728 588 185 88 44 0
OW 0 0 9 123 135 93 44 0
VODI 0 0 2 44 206 272 160 0
ODI 0 0 0 6 55 230 1041 8
CDI 0 0 0 5 6 8 1710 2520
VCDI 0 0 0 7 6 3 44 50
...date precedes bulletin

Date: 2016-08-04:

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 24180 5472 885 538 178 64 40 0
OW 0 0 34 178 174 59 21 0
VODI 0 0 17 144 348 194 94 0
ODI 0 0 2 20 180 658 516 6
CDI 0 0 1 5 27 155 1932 2006
VCDI 0 0 0 7 6 3 15 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24180 5472 886 541 181 66 41 0
OW 0 0 30 163 147 51 28 0
VODI 0 0 20 153 350 191 67 0
ODI 0 0 2 23 185 590 442 10
CDI 0 0 1 7 46 232 1974 2002
VCDI 0 0 0 5 4 3 66 0

Date: 2016-08-08:

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 24451 5065 1062 567 199 49 32 0
OW 0 0 13 123 156 76 37 0
VODI 0 0 1 63 198 180 104 0
ODI 0 0 0 10 127 327 556 3
CDI 0 0 0 5 5 34 1810 2097
VCDI 0 0 0 15 4 1 424 365
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24451 5065 1048 482 201 74 50 0
OW 0 0 24 171 160 93 52 0
VODI 0 0 4 100 208 229 412 0
ODI 0 0 0 11 111 210 704 184
CDI 0 0 0 9 7 61 1603 2011
VCDI 0 0 0 10 2 0 142 270

Date: 2016-08-10:

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 24304 5089 1112 636 252 53 14 0
OW 0 0 31 89 204 113 22 0
VODI 0 0 1 51 199 221 128 0
ODI 0 0 0 9 62 308 542 0
CDI 0 0 0 6 6 56 2112 1812
VCDI 0 0 0 14 3 0 358 352
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24304 5089 1103 562 259 93 32 0
OW 0 0 41 132 201 128 49 0
VODI 0 0 0 85 197 288 419 0
ODI 0 0 0 7 60 202 1050 223
CDI 0 0 0 10 7 40 1495 1712
VCDI 0 0 0 9 2 0 131 229

Date: 2016-08-12:

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 24283 5153 938 661 378 42 10 0
OW 0 0 16 102 216 128 20 0
VODI 0 0 0 32 150 393 119 0
ODI 0 0 0 6 47 383 417 0
CDI 0 0 0 5 7 59 2300 1720
VCDI 0 0 0 14 2 0 160 398
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24283 5143 935 669 327 80 28 0
OW 0 10 14 102 242 150 50 0
VODI 0 0 5 26 193 511 321 0
ODI 0 0 0 5 30 225 1227 110
CDI 0 0 0 9 8 39 1282 1736
VCDI 0 0 0 9 0 0 118 272


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