Description of algorithm
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Bulletin date: 2014-10-23

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2014-10-17:

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 79463 14836 1445 345 101 0 0 0
OW 4 5 118 131 97 17 0 0
VODI 0 0 33 160 106 36 0 0
ODI 0 0 3 105 140 51 0 0
CDI 0 0 0 52 195 169 0 0
VCDI 0 0 0 31 134 973 5535 4815
...date precedes bulletin

Date: 2014-10-19:

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 78629 15624 1523 228 70 0 0 0
OW 6 24 118 169 75 10 0 0
VODI 0 2 52 197 84 38 0 0
ODI 0 0 4 117 136 40 0 0
CDI 0 0 0 69 173 186 0 0
VCDI 0 0 0 24 196 1567 5373 4366
...date precedes bulletin

Date: 2014-10-21:

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

Date: 2014-10-23:

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 79962 14506 1508 249 55 9 0 0
OW 9 81 150 163 27 26 0 0
VODI 0 4 92 213 79 18 0 0
ODI 0 0 50 105 162 43 0 0
CDI 0 0 11 140 206 170 3 0
VCDI 0 0 0 71 440 2288 4130 4130
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 79962 14565 1527 265 54 7 0 0
OW 9 26 140 163 32 26 0 0
VODI 0 0 90 205 88 22 0 0
ODI 0 0 43 111 159 38 0 0
CDI 0 0 11 129 202 177 2 0
VCDI 0 0 0 68 434 2284 4131 4130

Date: 2014-10-25:

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 79799 14742 1467 246 37 10 0 0
OW 11 160 237 119 37 33 0 0
VODI 0 40 128 264 73 40 0 0
ODI 0 0 70 157 132 49 0 0
CDI 0 0 42 171 265 75 0 0
VCDI 0 0 2 138 739 2945 3835 3037
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 79799 14790 1518 260 39 14 0 0
OW 11 125 210 133 30 28 0 0
VODI 0 27 114 250 86 40 0 0
ODI 0 0 63 158 129 43 0 0
CDI 0 0 40 165 279 72 0 0
VCDI 0 0 1 129 720 2955 3835 3037

Date: 2014-10-27:

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 80188 15117 1404 207 20 2 0 0
OW 11 46 275 198 35 22 0 0
VODI 0 10 97 334 149 21 0 0
ODI 0 0 60 165 164 36 0 0
CDI 0 0 27 223 335 112 1 0
VCDI 0 0 1 94 298 3077 4977 1394
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 80184 14727 1211 186 25 18 0 0
OW 15 270 200 82 41 9 0 0
VODI 0 97 188 248 69 7 0 0
ODI 0 50 71 166 105 41 0 0
CDI 0 21 100 199 166 51 0 0
VCDI 0 8 94 340 595 3144 4978 1394

Date: 2014-10-29:

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 79012 15337 1793 393 37 11 0 0
OW 16 107 236 221 46 35 3 0
VODI 0 53 109 266 118 32 8 0
ODI 0 8 85 141 178 59 0 0
CDI 0 0 72 169 207 181 1 0
VCDI 0 0 7 133 394 2436 4993 2203
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 79010 15087 1577 330 32 20 0 0
OW 18 189 206 116 21 30 10 0
VODI 0 117 207 256 87 34 1 0
ODI 0 55 69 169 150 40 0 0
CDI 0 53 82 131 152 106 1 0
VCDI 0 4 161 321 538 2524 4993 2203

Date: 2014-10-31:

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 78844 14780 1962 447 89 3 0 0
OW 31 127 175 209 54 36 1 0
VODI 0 33 110 233 170 60 18 0
ODI 0 12 78 128 242 51 12 0
CDI 0 0 39 158 265 249 9 0
VCDI 0 0 3 143 328 1993 5562 2446
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 78843 14614 1813 318 87 11 0 0
OW 32 169 134 162 18 33 9 0
VODI 0 127 136 248 122 53 20 0
ODI 0 42 76 174 250 38 2 0
CDI 0 0 107 133 192 192 8 0
VCDI 0 0 101 283 479 2065 5563 2446


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