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: 2023-11-09

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

Model vs. observations, sea ice class contingency tables

Date: 2023-11-03:

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 1796 1629 5 2 0 0 0 0
OW 0 214 58 40 14 0 0 0
VODI 0 38 55 143 93 54 3 0
ODI 0 1 12 123 148 249 81 0
CDI 0 0 0 60 465 367 219 7
VCDI 0 0 0 2 526 3977 7944 14771
...date precedes bulletin

Date: 2023-11-05:

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 780 2393 7 18 0 0 0 0
OW 0 212 62 39 0 0 0 0
VODI 0 40 37 136 90 50 0 0
ODI 0 11 11 107 187 104 54 0
CDI 0 0 0 34 245 412 454 28
VCDI 0 0 0 0 241 4493 9372 13479
...date precedes bulletin

Date: 2023-11-07:

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 1572 1534 12 0 0 0 0 0
OW 1 249 66 63 0 0 0 0
VODI 0 19 34 186 37 0 0 0
ODI 0 0 0 49 194 28 0 4
CDI 0 0 0 10 131 291 99 47
VCDI 0 0 0 0 40 2508 10444 15478
...date precedes bulletin

Date: 2023-11-09:

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 1181 1634 54 36 7 0 0 0
OW 0 163 52 153 39 0 0 0
VODI 0 57 55 155 141 3 0 0
ODI 0 11 4 99 95 53 4 0
CDI 0 2 1 36 167 353 117 2
VCDI 0 0 0 11 97 2163 12906 13245
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1181 1638 49 48 4 0 0 0
OW 0 173 47 135 38 0 0 0
VODI 0 48 63 142 133 3 0 0
ODI 0 8 7 106 93 38 3 0
CDI 0 0 0 56 173 353 127 2
VCDI 0 0 0 3 105 2178 12897 13245

Date: 2023-11-11:

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 914 1642 18 13 0 0 0 0
OW 1 123 88 171 22 0 0 0
VODI 0 64 43 198 183 15 0 0
ODI 0 7 2 101 83 93 0 0
CDI 0 3 0 32 163 226 58 20
VCDI 0 1 0 13 99 1509 12467 14724
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 915 1647 24 23 0 0 0 0
OW 0 121 76 151 15 0 0 0
VODI 0 61 46 183 182 7 0 0
ODI 0 10 5 116 69 100 0 0
CDI 0 1 0 53 189 222 88 15
VCDI 0 0 0 2 95 1514 12437 14729

Date: 2023-11-13:

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 417 2033 16 4 0 0 0 0
OW 0 168 100 88 0 0 0 0
VODI 0 15 18 365 79 0 0 0
ODI 0 0 0 65 278 23 0 0
CDI 0 0 0 5 106 266 8 0
VCDI 0 0 0 1 69 1095 12450 15427
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 417 1994 18 4 0 0 0 0
OW 0 137 63 108 0 0 0 0
VODI 0 57 41 234 88 0 0 0
ODI 0 28 12 123 162 50 0 0
CDI 0 0 0 59 160 223 27 0
VCDI 0 0 0 0 122 1111 12431 15427

Date: 2023-11-15:

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 158 2146 28 34 0 0 0 0
OW 0 115 80 67 26 0 0 0
VODI 0 38 31 246 86 0 0 0
ODI 0 0 3 109 219 5 0 0
CDI 0 0 0 2 133 297 23 0
VCDI 0 0 0 0 17 1371 11184 16678
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 158 2157 48 39 0 0 0 0
OW 0 69 54 104 25 0 0 0
VODI 0 41 27 176 121 0 0 0
ODI 0 32 12 107 159 40 0 0
CDI 0 0 1 32 158 251 11 0
VCDI 0 0 0 0 18 1382 11196 16678

Date: 2023-11-17:

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 170 1907 25 12 0 0 0 0
OW 0 126 79 86 0 0 0 0
VODI 0 8 8 169 75 0 0 0
ODI 0 4 4 28 193 25 2 0
CDI 0 0 0 8 164 344 29 6
VCDI 0 0 0 0 6 1181 11058 17379
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 170 1945 66 32 0 0 0 0
OW 0 83 34 122 14 0 0 0
VODI 0 13 7 110 146 18 0 0
ODI 0 4 7 11 170 129 1 1
CDI 0 0 2 18 72 221 26 6
VCDI 0 0 0 10 36 1182 11062 17378


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