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: 2024-02-01

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

Model vs. observations, sea ice class contingency tables

Date: 2024-01-26:

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 6 10 62 2 0 0 0
OW 0 13 13 23 17 0 0 0
VODI 0 17 10 15 26 0 0 0
ODI 0 16 18 0 1 6 1 0
CDI 0 30 9 3 4 55 42 68
VCDI 0 37 33 99 103 508 7461 23374
...date precedes bulletin

Date: 2024-01-28:

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 8 7 39 0 0 0 0
OW 0 16 21 34 10 0 0 0
VODI 0 26 10 23 18 0 0 0
ODI 0 18 13 0 18 2 4 0
CDI 0 39 5 1 23 39 75 28
VCDI 0 75 34 107 138 648 9483 21120
...date precedes bulletin

Date: 2024-01-30:

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 0 219 0 0 0 0 0 0
OW 0 108 0 0 0 0 0 0
VODI 0 72 5 12 13 0 0 0
ODI 0 64 3 27 44 31 0 0
CDI 0 67 10 47 73 108 22 25
VCDI 0 59 36 180 356 1348 7846 21307
...date precedes bulletin

Date: 2024-02-01:

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 110 143 0 0 0 0 0 0
OW 21 98 0 9 0 0 0 0
VODI 0 143 23 41 15 0 0 0
ODI 0 102 6 55 68 15 0 0
CDI 0 77 9 60 128 124 35 0
VCDI 0 231 95 312 743 2688 6836 19895
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 123 167 0 0 0 0 0 0
OW 8 95 2 9 0 0 0 0
VODI 0 150 21 49 28 0 0 0
ODI 0 90 6 50 67 15 0 0
CDI 0 73 10 57 144 123 41 0
VCDI 0 219 94 312 715 2689 6830 19895

Date: 2024-02-03:

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 150 136 0 0 0 0 0 0
OW 18 97 4 4 0 0 0 0
VODI 0 244 10 36 26 2 0 0
ODI 0 133 14 71 67 35 0 0
CDI 0 86 16 89 93 151 9 20
VCDI 0 268 86 443 928 2785 5919 20142
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 160 156 0 0 0 0 0 0
OW 8 117 5 8 0 0 0 0
VODI 0 256 11 32 24 1 0 0
ODI 0 117 17 62 62 33 0 0
CDI 0 81 6 101 104 164 9 15
VCDI 0 237 91 440 924 2775 5919 20147

Date: 2024-02-05:

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 36 360 0 0 0 0 0 0
OW 0 178 27 3 0 0 0 0
VODI 0 136 43 136 29 0 0 0
ODI 0 22 14 127 66 63 0 0
CDI 0 44 21 111 284 341 24 2
VCDI 0 20 18 167 531 2696 6454 20129
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20 188 0 0 0 0 0 0
OW 16 74 0 0 0 0 0 0
VODI 0 152 1 0 0 0 0 0
ODI 0 205 30 60 26 5 0 0
CDI 0 53 32 93 138 201 29 5
VCDI 0 88 60 391 746 2894 6449 20126

Date: 2024-02-07:

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 0 298 8 2 0 0 0 0
OW 0 51 0 1 0 0 0 0
VODI 0 80 0 0 0 0 0 0
ODI 0 143 33 31 25 44 4 0
CDI 0 60 12 127 157 228 67 0
VCDI 0 21 19 92 522 1867 7540 20650
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 144 3 2 0 0 0 0
OW 0 100 5 0 0 0 0 0
VODI 0 78 0 1 0 0 0 0
ODI 0 70 0 0 0 1 7 0
CDI 0 176 18 22 6 99 58 0
VCDI 0 85 46 228 698 2039 7546 20650

Date: 2024-02-09:

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 0 256 32 14 0 0 0 0
OW 0 52 0 3 0 0 0 0
VODI 0 60 3 1 0 0 0 0
ODI 0 61 3 4 3 33 0 0
CDI 0 144 23 63 45 122 54 0
VCDI 0 50 20 132 492 1787 7477 21148
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 112 1 0 0 0 0 0
OW 0 70 23 11 0 0 0 0
VODI 0 80 8 5 0 4 1 0
ODI 0 70 3 2 7 54 3 0
CDI 0 106 7 13 19 122 45 6
VCDI 0 185 39 186 514 1762 7482 21142


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