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: 2015-10-15

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

Model vs. observations, sea ice class contingency tables

Date: 2015-10-09:

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 82504 14820 1531 399 68 0 0 0
OW 0 4 99 182 54 2 0 0
VODI 0 0 37 218 85 5 0 0
ODI 0 0 1 127 173 15 0 0
CDI 0 0 0 54 352 230 32 0
VCDI 0 0 0 0 663 890 3449 3106
...date precedes bulletin

Date: 2015-10-11:

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 83086 14178 1324 445 142 20 0 0
OW 0 33 133 129 78 14 0 0
VODI 0 6 75 171 100 11 0 0
ODI 0 0 18 130 146 29 0 0
CDI 0 0 0 55 304 127 0 0
VCDI 0 0 0 0 238 1170 2863 4075
...date precedes bulletin

Date: 2015-10-13:

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 82234 14906 1445 409 136 1 0 0
OW 0 51 130 166 122 20 0 0
VODI 0 0 22 188 156 20 0 0
ODI 0 0 0 60 201 79 0 0
CDI 0 0 0 11 191 491 81 0
VCDI 0 0 0 0 0 661 3183 4136
...date precedes bulletin

Date: 2015-10-15:

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 80712 16075 1705 459 167 80 0 0
OW 0 172 97 138 115 35 0 0
VODI 0 19 76 166 130 71 0 0
ODI 0 0 13 95 183 53 0 0
CDI 0 0 0 23 227 201 14 0
VCDI 0 0 0 0 49 1197 2774 4054
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 80712 16101 1718 486 196 90 0 0
OW 0 155 107 124 116 48 0 0
VODI 0 10 59 164 155 57 0 0
ODI 0 0 7 87 151 72 0 0
CDI 0 0 0 20 221 188 18 0
VCDI 0 0 0 0 32 1182 2770 4054

Date: 2015-10-17:

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 81289 15194 1728 480 230 106 0 0
OW 0 261 56 112 112 49 0 0
VODI 0 213 54 90 109 125 0 0
ODI 0 0 101 38 97 128 0 0
CDI 0 0 7 109 77 371 3 0
VCDI 0 0 0 6 83 1113 4285 2474
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81289 15184 1728 471 242 99 0 0
OW 0 249 54 119 92 52 0 0
VODI 0 234 56 93 119 141 0 0
ODI 0 1 101 31 93 145 0 0
CDI 0 0 7 109 71 321 2 0
VCDI 0 0 0 12 91 1134 4286 2474

Date: 2015-10-19:

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 81916 14969 1606 371 91 27 0 0
OW 0 151 176 205 75 26 0 0
VODI 0 1 33 227 143 37 0 0
ODI 0 0 0 82 206 65 0 0
CDI 0 0 0 5 169 698 8 0
VCDI 0 0 0 0 2 1038 2577 4196
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81916 14627 1546 409 192 69 0 0
OW 0 163 44 105 76 31 0 0
VODI 0 249 71 127 93 90 0 0
ODI 0 82 110 62 100 100 0 0
CDI 0 0 44 119 111 192 1 0
VCDI 0 0 0 68 114 1409 2584 4196

Date: 2015-10-21:

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 81316 15003 1469 433 83 45 0 0
OW 0 249 82 154 66 41 0 0
VODI 0 90 116 138 152 102 0 0
ODI 0 0 6 124 147 81 0 0
CDI 0 0 0 26 219 444 38 0
VCDI 0 0 0 0 6 890 3610 3970
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81316 15008 1415 466 137 109 0 0
OW 0 135 43 62 82 84 0 0
VODI 0 111 66 78 70 96 0 0
ODI 0 76 71 82 88 103 16 0
CDI 0 12 76 121 103 172 42 0
VCDI 0 0 2 66 193 1039 3590 3970

Date: 2015-10-23:

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 81252 14828 1504 358 64 11 0 0
OW 0 307 89 128 61 32 0 0
VODI 0 159 108 111 116 60 0 0
ODI 0 18 92 121 105 119 0 0
CDI 0 0 0 91 126 277 7 0
VCDI 0 0 0 25 110 1224 3198 4399
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 81252 14714 1464 393 110 35 0 0
OW 0 304 83 91 53 83 0 0
VODI 0 99 41 72 103 111 0 0
ODI 0 105 29 54 67 78 9 0
CDI 0 62 60 61 63 208 27 0
VCDI 0 28 116 163 186 1208 3169 4399


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