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

Validation of sea ice concentration - Asian sector

Bulletin date: 2022-12-08

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

Model vs. observations, sea ice class contingency tables

Date: 2022-12-02:

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 0 1767 121 55 85 0 0 0
OW 0 120 47 42 23 0 0 0
VODI 0 62 50 58 58 17 0 0
ODI 0 15 45 42 63 96 4 0
CDI 0 9 32 37 68 222 70 8
VCDI 0 3 43 72 168 1043 14219 13318
...date precedes bulletin

Date: 2022-12-04:

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 0 1615 212 99 115 0 0 0
OW 0 116 70 45 34 8 0 0
VODI 0 67 109 75 42 32 0 0
ODI 0 26 43 72 74 67 0 0
CDI 0 19 29 53 102 156 65 10
VCDI 0 8 40 106 177 1499 13820 13077
...date precedes bulletin

Date: 2022-12-06:

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 0 1795 143 151 68 0 0 0
OW 0 96 76 66 57 1 0 0
VODI 0 32 75 132 96 21 0 0
ODI 0 12 39 56 76 111 0 0
CDI 0 8 15 64 75 107 60 7
VCDI 0 1 0 50 113 1623 14154 12702
...date precedes bulletin

Date: 2022-12-08:

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 0 766 873 90 51 0 0 0
OW 0 52 56 50 45 0 0 0
VODI 0 25 24 72 73 6 0 0
ODI 0 9 31 67 195 27 0 0
CDI 0 1 1 63 201 173 16 15
VCDI 0 1 0 6 111 1567 10519 16896
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 765 879 108 50 0 0 0
OW 0 51 46 38 44 0 0 0
VODI 0 26 23 75 65 4 0 0
ODI 0 10 33 40 181 24 0 0
CDI 0 2 4 74 222 183 18 15
VCDI 0 0 0 13 114 1562 10517 16896

Date: 2022-12-10:

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 0 877 395 137 56 16 0 0
OW 0 7 37 122 73 84 0 0
VODI 0 0 21 55 55 58 0 0
ODI 0 0 3 27 90 73 0 0
CDI 0 0 0 28 115 210 3 1
VCDI 0 0 0 0 91 1024 8553 19871
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 872 391 170 79 24 0 0
OW 0 11 43 86 49 75 0 0
VODI 0 1 19 58 54 53 0 0
ODI 0 0 3 25 91 85 0 0
CDI 0 0 0 24 106 238 1 1
VCDI 0 0 0 6 101 990 8555 19871

Date: 2022-12-12:

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 0 833 388 97 40 0 0 0
OW 0 35 98 99 43 3 0 0
VODI 0 2 46 152 184 15 0 0
ODI 0 0 2 72 212 69 0 0
CDI 0 0 0 36 221 131 9 0
VCDI 0 0 0 0 92 851 8923 19429
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 805 365 140 84 1 0 0
OW 0 53 93 103 153 5 0 0
VODI 0 12 45 38 68 48 0 0
ODI 0 0 22 47 81 47 0 0
CDI 0 0 6 51 117 82 10 0
VCDI 0 0 3 77 289 886 8922 19429

Date: 2022-12-14:

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 0 942 148 90 40 0 0 0
OW 0 50 110 67 45 0 0 0
VODI 0 18 39 129 114 22 0 0
ODI 0 3 8 44 90 149 1 0
CDI 0 3 1 42 80 162 93 1
VCDI 0 0 0 16 140 905 13099 15431
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 896 106 96 53 0 0 0
OW 0 84 73 70 68 2 0 0
VODI 0 23 81 87 108 93 0 0
ODI 0 6 32 30 38 71 6 0
CDI 0 6 12 35 32 127 98 11
VCDI 0 1 2 70 210 945 13089 15421

Date: 2022-12-16:

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 0 523 648 53 17 0 0 0
OW 0 69 150 56 24 0 0 0
VODI 0 27 107 96 65 4 0 0
ODI 0 11 33 71 87 25 3 0
CDI 0 9 19 39 68 131 19 0
VCDI 0 35 15 70 189 1216 9014 19189
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 411 480 38 12 0 0 0
OW 0 77 108 46 13 0 0 0
VODI 0 69 103 65 65 4 0 0
ODI 0 51 110 54 80 16 0 0
CDI 0 47 63 41 42 55 6 55
VCDI 0 19 108 141 238 1301 9030 19134


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