Validation of sea ice concentration

Bulletin date: 2012-05-30

Model vs. observations, sea ice class contingency tables

Date: 2012-05-24:

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 16736 5273 635 405 142 25 1 0
OW 0 10 173 181 246 80 12 0
VODI 0 1 56 107 370 374 169 7
ODI 0 0 1 46 228 593 549 10
CDI 0 0 0 58 130 609 3244 1
VCDI 0 0 0 14 28 171 2711 4023
...date precedes bulletin

Date: 2012-05-28:

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

Date: 2012-05-30:

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 15772 5560 877 776 233 105 1 0
OW 0 0 98 339 434 286 6 5
VODI 0 0 72 158 570 776 34 8
ODI 0 0 27 40 273 1157 202 3
CDI 0 0 25 34 222 1422 1698 1
VCDI 0 0 0 1 13 65 2341 3785
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 15772 5560 998 1126 774 853 72 0
OW 0 0 37 62 143 171 34 0
VODI 0 0 28 59 187 319 64 0
ODI 0 0 9 49 201 477 172 1
CDI 0 0 13 34 282 1442 1436 9
VCDI 0 0 14 18 158 549 2504 3792

Date: 2012-06-03:

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

Date: 2012-06-05:

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 16216 5744 1178 965 296 34 0 0
OW 0 16 122 498 579 189 20 5
VODI 0 0 36 157 586 649 62 10
ODI 0 0 8 33 196 951 394 1
CDI 0 0 22 58 255 883 1221 4
VCDI 0 0 0 4 33 121 2116 3757
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 16216 5758 1316 1402 939 467 99 0
OW 0 2 11 79 96 129 36 0
VODI 0 0 13 84 176 211 66 2
ODI 0 0 5 56 207 416 209 8
CDI 0 0 21 62 332 1136 1305 12
VCDI 0 0 0 32 195 468 2098 3755

Date: 2012-06-07:

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 16402 5725 1418 781 170 34 11 0
OW 0 34 207 599 579 121 42 6
VODI 0 0 56 211 688 441 219 9
ODI 0 0 16 35 199 614 547 1
CDI 0 0 44 38 233 728 1318 15
VCDI 0 0 0 4 61 91 1953 3769
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 16402 5759 1612 1258 909 324 184 0
OW 0 0 24 67 147 94 43 0
VODI 0 0 33 100 147 135 96 5
ODI 0 0 26 104 188 260 242 9
CDI 0 0 34 99 337 878 1440 49
VCDI 0 0 12 40 202 338 2085 3737


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