Validation of sea ice concentration

Bulletin date: 2019-04-25

Model vs. observations, sea ice class contingency tables

Date: 2019-04-19:

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

Date: 2019-04-23:

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 13124 6434 1019 704 206 133 58 0
OW 0 57 50 246 121 111 49 0
VODI 0 30 35 118 200 272 114 0
ODI 0 2 3 25 101 334 355 10
CDI 0 1 3 14 47 339 890 35
VCDI 0 0 4 7 20 257 6506 6125
...date precedes bulletin

Date: 2019-04-25:

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 13555 6463 833 534 205 114 83 0
OW 0 74 99 208 115 66 60 0
VODI 0 15 28 157 180 214 187 0
ODI 0 0 2 49 89 210 420 4
CDI 0 5 4 30 54 212 870 14
VCDI 0 0 0 4 32 246 7442 5282
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13555 6484 819 514 210 126 86 0
OW 0 52 106 211 83 57 49 0
VODI 0 16 35 167 198 197 188 0
ODI 0 0 2 56 91 206 394 7
CDI 0 5 4 29 59 230 857 12
VCDI 0 0 0 5 34 246 7488 5281

Date: 2019-04-29:

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 13615 6717 521 594 226 81 181 0
OW 0 60 71 143 87 30 69 0
VODI 0 12 21 136 191 122 173 0
ODI 0 12 2 60 166 246 385 0
CDI 0 1 0 33 117 551 735 0
VCDI 0 0 0 17 78 631 6983 5092
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13615 6712 527 632 235 87 261 0
OW 0 69 65 133 146 47 123 0
VODI 0 8 21 95 169 196 260 0
ODI 0 6 0 64 109 182 352 0
CDI 0 7 2 42 109 491 595 0
VCDI 0 0 0 17 97 658 6935 5092

Date: 2019-05-01:

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

Date: 2019-05-03:

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 13069 6514 906 709 203 271 147 0
OW 0 24 93 153 74 93 119 0
VODI 0 10 43 147 154 162 273 0
ODI 0 0 21 89 109 257 450 0
CDI 0 0 19 61 75 217 732 4
VCDI 0 0 34 65 76 479 7796 4511
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13069 6493 902 702 226 306 285 0
OW 0 39 84 148 41 76 112 0
VODI 0 9 52 153 164 182 285 0
ODI 0 7 18 51 84 210 385 2
CDI 0 0 12 78 52 200 594 3
VCDI 0 0 48 92 124 505 7856 4510


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