Validation of sea ice concentration

Bulletin date: 2016-06-30

Model vs. observations, sea ice class contingency tables

Date: 2016-06-24:

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 18067 7303 1280 1602 692 198 146 9
OW 0 58 38 200 251 218 58 0
VODI 0 5 23 93 201 380 217 2
ODI 0 0 1 20 70 262 427 4
CDI 0 0 0 7 29 272 1153 178
VCDI 0 0 0 4 2 0 1269 3420
...date precedes bulletin

Date: 2016-06-28:

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 19104 8073 1140 986 314 102 158 13
OW 0 2 69 190 212 89 62 0
VODI 0 1 28 104 226 219 138 2
ODI 0 0 3 31 209 297 455 1
CDI 0 0 2 6 35 149 1468 324
VCDI 0 0 0 2 2 2 905 3036
...date precedes bulletin

Date: 2016-06-30:

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 19349 7790 965 1443 383 59 161 13
OW 0 7 53 194 235 46 63 0
VODI 0 1 10 97 389 188 132 2
ODI 0 0 1 24 225 251 311 1
CDI 0 0 0 3 23 139 1563 491
VCDI 0 0 0 2 2 1 624 2918
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19349 7791 982 1458 427 58 174 13
OW 0 6 37 177 201 40 43 0
VODI 0 1 9 97 407 211 154 2
ODI 0 0 0 27 201 243 339 1
CDI 0 0 1 2 19 130 1570 440
VCDI 0 0 0 2 2 2 574 2969

Date: 2016-07-04:

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 21232 6729 1012 834 375 111 163 13
OW 0 17 48 103 135 68 41 0
VODI 0 12 24 123 166 194 155 6
ODI 0 2 0 45 86 234 624 13
CDI 0 1 0 4 1 36 1811 625
VCDI 0 0 0 2 0 0 237 2877
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21232 6732 1030 868 394 144 189 13
OW 0 21 44 115 205 116 72 0
VODI 0 5 10 80 128 263 384 11
ODI 0 2 0 42 34 80 554 12
CDI 0 1 0 1 2 40 1716 853
VCDI 0 0 0 5 0 0 116 2645

Date: 2016-07-06:

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 21703 6744 950 598 314 154 172 12
OW 0 4 60 107 118 99 61 0
VODI 0 2 21 77 173 302 216 2
ODI 0 1 2 18 61 202 600 6
CDI 0 1 0 5 5 48 1676 577
VCDI 0 0 0 2 0 0 322 2744
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 21703 6722 968 625 362 188 210 12
OW 0 23 50 103 114 185 116 0
VODI 0 4 13 52 144 252 356 6
ODI 0 2 2 19 43 133 510 7
CDI 0 1 0 4 8 47 1801 961
VCDI 0 0 0 4 0 0 54 2355

Date: 2016-07-08:

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 22338 6962 613 416 144 52 157 12
OW 0 17 50 135 127 106 67 0
VODI 0 3 20 70 211 377 213 2
ODI 0 0 2 31 117 217 450 1
CDI 0 0 0 3 12 90 1792 736
VCDI 0 0 0 0 0 0 156 2460
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 22338 6950 620 469 219 108 213 12
OW 0 30 45 83 146 239 102 0
VODI 0 1 17 52 138 255 324 2
ODI 0 1 2 38 82 129 450 1
CDI 0 0 1 9 23 77 1507 1022
VCDI 0 0 0 4 3 34 239 2174


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