Validation of sea ice concentration

Bulletin date: 2013-03-28

Model vs. observations, sea ice class contingency tables

Date: 2013-03-22:

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 12937 5707 465 342 117 68 29 0
OW 0 95 67 103 91 70 20 0
VODI 0 16 61 96 94 132 69 0
ODI 0 0 18 45 106 172 139 0
CDI 0 0 7 18 74 390 588 50
VCDI 0 0 0 47 78 480 8322 6306
...date precedes bulletin

Date: 2013-03-26:

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 12629 5729 489 299 180 109 24 0
OW 0 56 82 84 93 86 38 0
VODI 0 25 42 87 106 144 84 0
ODI 0 11 14 46 86 176 137 0
CDI 0 2 11 22 102 317 502 2
VCDI 0 0 1 11 104 740 7749 7000
...date precedes bulletin

Date: 2013-03-28:

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

Date: 2013-04-01:

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

Date: 2013-04-03:

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 12508 5851 572 397 178 69 0 0
OW 0 85 45 95 102 107 6 0
VODI 0 40 51 88 136 189 54 0
ODI 0 15 20 82 127 288 166 4
CDI 0 15 6 39 105 411 601 70
VCDI 0 4 12 98 99 707 8716 5261
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 12508 5787 565 392 206 199 21 0
OW 0 53 36 40 54 64 29 0
VODI 0 48 39 53 59 90 55 0
ODI 0 23 18 99 92 154 79 0
CDI 0 15 17 82 135 277 440 27
VCDI 0 84 31 133 201 987 8919 5308

Date: 2013-04-05:

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 12469 5828 586 273 213 82 0 0
OW 0 92 77 67 84 102 18 0
VODI 0 81 58 83 135 160 71 0
ODI 0 45 30 112 163 179 119 3
CDI 0 11 31 49 202 321 428 62
VCDI 0 0 18 106 155 901 8458 5547
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 12469 5773 556 297 257 169 24 0
OW 0 56 45 28 59 59 28 0
VODI 0 55 53 39 75 78 48 0
ODI 0 48 35 64 95 119 96 22
CDI 0 41 32 79 127 239 378 46
VCDI 0 84 79 183 339 1081 8520 5544


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