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

Validation of sea ice concentration - Asian sector

Bulletin date: 2024-11-21

Data source: OSI SAF N.H. multi-product sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2024-11-15:

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 1223 2215 61 22 0 0 0 0
OW 0 207 109 174 16 0 0 0
VODI 0 47 52 273 86 0 0 0
ODI 0 5 10 133 221 11 0 3
CDI 0 5 3 46 346 252 19 7
VCDI 0 11 0 11 119 1100 7938 18371
...date precedes bulletin

Date: 2024-11-17:

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 457 2288 128 107 0 0 0 0
OW 0 84 45 251 28 0 0 0
VODI 0 23 6 321 175 0 0 0
ODI 0 3 0 113 307 7 0 0
CDI 0 6 0 23 305 331 38 0
VCDI 0 9 0 30 146 1567 7287 19011
...date precedes bulletin

Date: 2024-11-19:

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 209 1729 188 282 75 0 0 0
OW 0 16 6 206 96 0 0 0
VODI 0 5 8 172 196 2 0 0
ODI 0 0 1 65 354 41 0 1
CDI 0 0 0 20 299 528 188 7
VCDI 0 0 0 0 189 1758 8630 17825
...date precedes bulletin

Date: 2024-11-21:

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 171 1497 139 227 27 0 0 0
OW 0 55 24 220 177 13 0 0
VODI 0 3 3 92 167 28 0 0
ODI 0 0 1 34 205 126 0 0
CDI 0 0 0 0 127 558 125 6
VCDI 0 0 0 0 50 821 7482 20718
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 171 1505 141 228 50 0 0 0
OW 0 48 22 221 96 9 0 0
VODI 0 2 4 94 240 28 0 0
ODI 0 0 0 30 197 145 0 0
CDI 0 0 0 0 123 587 129 7
VCDI 0 0 0 0 47 777 7478 20717

Date: 2024-11-23:

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 166 1556 91 113 16 0 0 0
OW 0 102 62 238 91 6 0 0
VODI 0 21 13 148 175 18 0 0
ODI 0 18 7 27 153 94 5 1
CDI 0 0 0 8 122 509 147 16
VCDI 0 0 0 0 31 906 7307 20929
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 166 1578 101 129 18 0 0 0
OW 0 84 53 218 73 4 0 0
VODI 0 24 13 155 208 22 0 0
ODI 0 11 6 25 137 103 11 1
CDI 0 0 0 7 129 534 155 12
VCDI 0 0 0 0 23 870 7293 20933

Date: 2024-11-25:

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 190 1810 61 21 0 0 0 0
OW 4 262 123 118 0 0 0 0
VODI 2 20 9 285 62 1 0 0
ODI 0 3 1 59 267 40 0 0
CDI 0 2 0 14 199 1007 9 3
VCDI 0 18 0 0 15 1600 9677 17214
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 186 1755 74 98 5 0 0 0
OW 9 213 63 127 76 0 0 0
VODI 1 105 37 123 136 24 0 0
ODI 0 21 19 81 72 61 0 0
CDI 0 3 1 63 202 498 5 4
VCDI 0 18 0 5 52 2065 9681 17213

Date: 2024-11-27:

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 150 1634 103 46 0 0 0 0
OW 0 163 65 259 3 0 0 0
VODI 0 15 9 220 125 11 0 0
ODI 0 3 1 48 304 84 0 1
CDI 0 2 0 10 168 958 94 15
VCDI 0 16 0 4 67 1866 10378 16274
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 150 1605 85 120 12 0 0 0
OW 0 152 63 214 78 2 0 0
VODI 0 52 26 150 214 62 0 0
ODI 0 5 4 57 135 152 0 0
CDI 0 3 0 42 137 674 67 9
VCDI 0 16 0 4 91 2029 10405 16281

Date: 2024-11-29:

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 150 1566 71 48 0 0 0 0
OW 0 152 73 202 9 0 0 0
VODI 0 12 5 201 114 3 0 0
ODI 0 2 0 69 232 60 1 0
CDI 0 2 0 6 189 625 211 17
VCDI 0 16 0 0 100 1774 10274 16912
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 150 1483 70 76 4 0 0 0
OW 0 226 57 188 76 0 0 0
VODI 0 20 22 186 197 19 0 0
ODI 0 2 0 63 161 155 1 1
CDI 0 3 0 12 138 642 124 7
VCDI 0 16 0 1 68 1646 10361 16921


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