Validation of sea ice concentration

Bulletin date: 2016-09-08

Model vs. observations, sea ice class contingency tables

Date: 2016-09-02:

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 24028 4980 1257 899 106 15 1 0
OW 0 19 31 176 133 35 6 0
VODI 0 10 6 59 234 243 48 0
ODI 0 4 7 18 136 865 582 0
CDI 0 0 0 9 31 212 1443 0
VCDI 0 0 0 4 2 5 1327 1228
...date precedes bulletin

Date: 2016-09-06:

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 25467 4178 1209 489 88 1 0 0
OW 0 0 51 128 115 11 2 0
VODI 0 0 29 89 218 78 42 0
ODI 0 0 3 47 180 350 339 1
CDI 0 0 0 5 225 622 1883 93
VCDI 0 0 0 0 0 0 429 1787
...date precedes bulletin

Date: 2016-09-08:

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 24305 5184 1122 704 96 8 1 0
OW 0 0 42 129 142 33 2 0
VODI 0 0 28 55 192 122 49 0
ODI 0 0 6 20 103 354 331 0
CDI 0 0 0 4 229 623 1932 163
VCDI 0 0 0 0 0 3 885 1292
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24305 5184 1128 698 104 10 1 0
OW 0 0 45 115 125 21 3 0
VODI 0 0 20 73 199 125 48 0
ODI 0 0 5 19 142 415 380 0
CDI 0 0 0 7 192 561 1822 156
VCDI 0 0 0 0 0 11 946 1299

Date: 2016-09-12:

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 25267 4589 996 435 184 20 0 0
OW 0 0 28 104 100 26 1 0
VODI 0 0 9 84 178 124 45 0
ODI 0 0 0 40 105 186 281 0
CDI 0 89 12 11 109 429 2132 0
VCDI 0 192 0 4 26 92 2261 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25267 4589 1002 447 175 24 0 0
OW 0 0 23 88 121 36 4 0
VODI 0 0 8 81 154 134 95 0
ODI 0 3 0 34 74 157 575 0
CDI 0 56 7 24 103 187 1751 0
VCDI 0 222 5 4 75 339 2295 0

Date: 2016-09-14:

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 25036 4917 836 577 155 29 1 0
OW 0 1 26 110 110 41 6 0
VODI 0 0 7 108 122 170 32 0
ODI 0 0 0 35 83 220 262 0
CDI 0 0 0 10 44 210 2157 0
VCDI 0 0 0 0 14 155 2405 280
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25036 4916 830 555 148 28 1 0
OW 0 2 22 127 106 44 6 0
VODI 0 0 14 105 112 165 82 0
ODI 0 0 3 35 62 189 529 0
CDI 0 0 0 18 87 151 1753 0
VCDI 0 0 0 0 13 248 2492 280

Date: 2016-09-16:

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 24964 4924 969 442 136 26 5 0
OW 0 1 25 132 116 29 3 0
VODI 0 0 18 127 160 106 29 0
ODI 0 0 2 41 105 236 170 0
CDI 0 0 0 8 24 204 1648 2
VCDI 0 0 0 0 5 190 2504 808
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24964 4919 948 420 136 28 4 0
OW 0 6 35 142 112 29 3 0
VODI 0 0 23 116 147 128 65 0
ODI 0 0 4 48 82 154 441 0
CDI 0 0 4 24 64 204 1204 0
VCDI 0 0 0 0 5 248 2642 810


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