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: 2024-02-29

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

Model vs. observations, sea ice class contingency tables

Date: 2024-02-23:

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 0 207 29 24 0 0 0 0
OW 0 76 15 39 2 0 0 0
VODI 0 53 7 42 15 0 0 0
ODI 0 35 4 95 32 5 0 0
CDI 0 37 4 56 108 29 13 2
VCDI 0 26 7 74 263 1082 8195 22520
...date precedes bulletin

Date: 2024-02-25:

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 0 229 11 13 0 0 0 0
OW 0 111 12 19 3 0 0 0
VODI 0 63 17 33 14 0 0 0
ODI 0 51 9 42 28 7 0 0
CDI 0 84 25 35 46 50 3 0
VCDI 0 88 34 145 368 1323 9009 21224
...date precedes bulletin

Date: 2024-02-27:

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 0 302 11 17 1 0 0 0
OW 0 187 12 10 8 0 0 0
VODI 0 83 3 31 17 1 0 0
ODI 0 71 3 34 32 6 1 0
CDI 0 80 39 133 141 144 23 12
VCDI 0 32 24 95 378 2184 8968 20013
...date precedes bulletin

Date: 2024-02-29:

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 0 301 7 20 0 0 0 0
OW 0 106 5 15 9 0 0 0
VODI 0 142 5 22 25 1 0 0
ODI 0 85 3 21 33 4 0 0
CDI 0 102 37 74 60 11 3 1
VCDI 0 47 21 138 445 1762 10001 19590
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 324 7 21 0 0 0 0
OW 0 96 4 13 9 0 0 0
VODI 0 127 7 23 25 4 0 0
ODI 0 81 1 19 28 1 0 0
CDI 0 111 37 69 58 11 5 1
VCDI 0 44 22 145 452 1762 9999 19590

Date: 2024-03-02:

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 0 294 10 5 0 0 0 0
OW 0 97 12 21 0 0 0 0
VODI 0 151 7 37 8 0 0 0
ODI 0 106 9 24 19 1 1 0
CDI 0 177 36 85 66 59 25 8
VCDI 0 25 37 166 502 2395 7346 21367
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 311 12 6 0 0 0 0
OW 0 86 12 25 0 0 0 0
VODI 0 139 4 28 4 0 0 0
ODI 0 110 11 26 20 1 2 0
CDI 0 171 26 73 56 55 27 9
VCDI 0 33 46 180 515 2399 7343 21366

Date: 2024-03-04:

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 0 224 16 28 2 0 0 0
OW 0 135 11 18 9 0 0 0
VODI 0 56 21 64 25 0 0 0
ODI 0 25 10 60 61 2 0 0
CDI 0 16 5 95 179 141 16 21
VCDI 0 2 0 10 154 1367 7490 22833
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 190 13 28 6 0 0 0
OW 0 72 6 8 14 0 0 0
VODI 0 71 7 23 14 0 0 0
ODI 0 53 14 34 28 0 1 3
CDI 0 53 17 117 81 49 30 24
VCDI 0 19 6 65 287 1461 7475 22827

Date: 2024-03-06:

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 0 207 20 12 0 0 0 0
OW 0 94 11 32 3 0 0 0
VODI 0 56 10 25 18 0 0 0
ODI 0 35 18 43 35 7 0 0
CDI 0 22 14 88 67 77 15 5
VCDI 0 4 1 39 221 701 3830 27386
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 150 13 23 2 0 0 0
OW 0 86 6 10 13 0 0 0
VODI 0 84 14 18 19 2 0 0
ODI 0 44 2 27 28 7 0 0
CDI 0 42 16 17 11 14 1 2
VCDI 0 12 23 144 271 762 3844 27389

Date: 2024-03-08:

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 0 145 9 14 0 0 0 0
OW 0 112 9 29 7 0 0 0
VODI 0 58 14 26 33 0 0 0
ODI 0 27 13 34 34 0 0 0
CDI 0 17 10 71 76 19 0 9
VCDI 0 0 2 25 150 702 3598 27853
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 118 9 25 0 0 0 0
OW 0 90 7 15 16 0 0 0
VODI 0 91 9 26 28 0 0 0
ODI 0 43 9 24 37 1 0 0
CDI 0 16 17 18 15 14 0 0
VCDI 0 1 6 91 204 706 3598 27862


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