Validation of sea ice concentration

Bulletin date: 2016-09-01

Model vs. observations, sea ice class contingency tables

Date: 2016-08-26:

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 24325 5030 957 849 175 0 0 0
OW 0 0 5 153 146 17 2 0
VODI 0 0 1 107 199 72 19 0
ODI 0 0 1 26 268 691 224 0
CDI 0 0 0 7 47 596 1869 17
VCDI 0 0 0 0 3 4 1089 1260
...date precedes bulletin

Date: 2016-08-30:

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 24355 4937 1256 606 105 14 0 0
OW 0 16 11 117 122 39 1 0
VODI 0 8 4 69 223 224 94 0
ODI 0 54 8 19 159 592 1006 0
CDI 0 50 0 11 25 135 1340 0
VCDI 0 50 7 6 10 10 1681 795
...date precedes bulletin

Date: 2016-09-01:

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 24417 5068 963 696 109 11 2 0
OW 0 19 25 157 147 20 6 0
VODI 0 9 4 83 284 184 26 0
ODI 0 5 7 24 251 780 619 0
CDI 0 0 0 7 27 115 1491 12
VCDI 0 0 0 4 2 5 1229 1351
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24417 5077 964 714 119 12 3 0
OW 0 16 25 131 119 19 4 0
VODI 0 6 8 92 309 195 40 0
ODI 0 2 2 26 254 757 662 0
CDI 0 0 0 4 17 127 1463 6
VCDI 0 0 0 4 2 5 1201 1357

Date: 2016-09-05:

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 26045 4270 495 462 95 6 0 0
OW 0 6 52 111 122 18 1 0
VODI 0 0 34 78 213 89 54 0
ODI 0 0 3 25 160 279 523 0
CDI 0 0 0 1 188 575 1944 57
VCDI 0 0 0 0 0 0 423 1830
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26045 4222 489 439 92 9 0 0
OW 0 46 65 138 128 21 7 0
VODI 0 8 29 76 209 132 79 0
ODI 0 0 1 19 320 468 614 0
CDI 0 0 0 5 29 337 1610 98
VCDI 0 0 0 0 0 0 635 1789

Date: 2016-09-07:

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 24479 4653 1460 667 155 22 0 0
OW 0 0 41 94 139 52 2 0
VODI 0 0 29 41 174 159 45 0
ODI 0 0 2 23 100 301 416 0
CDI 0 0 0 1 204 610 2072 112
VCDI 0 0 0 0 0 0 619 1487
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24479 4653 1400 625 149 27 1 0
OW 0 0 104 104 111 61 3 0
VODI 0 0 28 75 204 173 96 0
ODI 0 0 0 18 249 457 550 2
CDI 0 0 0 4 59 420 1665 117
VCDI 0 0 0 0 0 6 839 1480

Date: 2016-09-09:

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 24388 5036 1236 593 129 15 3 0
OW 0 0 49 125 131 40 4 0
VODI 0 0 34 50 193 123 72 0
ODI 0 0 7 23 104 274 337 3
CDI 0 0 0 6 191 573 1883 192
VCDI 0 0 0 0 12 40 975 1318
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 24388 5028 1136 542 137 32 7 0
OW 0 8 135 115 104 43 17 0
VODI 0 0 51 101 193 115 156 0
ODI 0 0 4 31 226 445 423 0
CDI 0 0 0 8 95 412 1726 55
VCDI 0 0 0 0 5 18 945 1458


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