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: 2024-04-18

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

Model vs. observations, sea ice class contingency tables

Date: 2024-04-12:

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 60 14 8 0 0 0 0
OW 0 3 4 24 0 0 0 0
VODI 0 2 1 26 8 0 0 0
ODI 0 0 0 0 9 4 0 1
CDI 0 0 0 0 29 172 28 3
VCDI 0 0 0 0 0 581 8077 24042
...date precedes bulletin

Date: 2024-04-14:

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 66 14 5 0 0 0 0
OW 0 10 7 19 0 0 0 0
VODI 0 1 2 26 0 0 0 0
ODI 0 0 0 0 4 0 0 0
CDI 0 0 0 0 25 183 15 0
VCDI 0 0 0 0 2 409 7635 24673
...date precedes bulletin

Date: 2024-04-16:

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 71 16 5 0 0 0 0
OW 0 19 9 3 0 0 0 0
VODI 0 18 9 0 0 0 0 0
ODI 0 0 0 0 2 2 0 0
CDI 0 0 0 0 22 270 14 3
VCDI 0 0 0 0 9 145 4017 28462
...date precedes bulletin

Date: 2024-04-18:

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 42 55 0 0 0 0 0 0
OW 5 35 0 0 0 0 0 0
VODI 1 12 0 1 3 0 0 0
ODI 0 0 0 3 8 0 2 2
CDI 0 0 0 7 49 82 158 24
VCDI 0 0 0 0 56 198 3363 28990
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 42 54 0 0 0 0 0 0
OW 6 29 0 0 0 0 0 0
VODI 0 19 0 1 3 0 0 0
ODI 0 0 0 3 6 0 3 3
CDI 0 0 0 7 48 81 158 23
VCDI 0 0 0 0 59 199 3362 28990

Date: 2024-04-20:

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 78 33 0 0 0 0 0 0
OW 12 24 0 0 0 0 0 0
VODI 2 1 0 0 3 0 0 0
ODI 0 0 0 0 19 0 0 0
CDI 0 0 0 0 70 57 199 0
VCDI 0 0 0 0 54 111 7244 25189
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 79 35 0 0 0 0 0 0
OW 9 23 0 0 0 0 0 0
VODI 4 0 0 0 3 0 0 0
ODI 0 0 0 0 18 0 1 0
CDI 0 0 0 0 71 57 202 0
VCDI 0 0 0 0 54 111 7240 25189

Date: 2024-04-22:

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 25 94 0 0 0 0 0 0
OW 2 29 0 0 0 0 0 0
VODI 0 0 0 12 5 0 0 0
ODI 0 0 0 9 19 0 0 0
CDI 0 0 0 14 49 93 7 0
VCDI 0 0 0 5 57 440 7964 24272
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 25 89 0 0 0 0 0 0
OW 2 34 0 0 0 0 0 0
VODI 0 0 0 3 1 0 0 0
ODI 0 0 0 7 13 0 0 0
CDI 0 0 0 10 39 128 76 3
VCDI 0 0 0 20 77 405 7895 24269

Date: 2024-04-24:

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 0 104 0 0 0 0 0 0
OW 0 46 0 0 0 0 0 0
VODI 0 0 0 9 3 1 0 0
ODI 0 0 0 16 12 9 1 0
CDI 0 0 0 32 87 18 21 0
VCDI 0 0 0 19 127 528 6585 25478
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 105 0 0 0 0 0 0
OW 0 45 0 0 0 0 0 0
VODI 0 0 0 5 3 0 0 0
ODI 0 0 0 15 8 3 0 0
CDI 0 0 0 22 95 76 14 0
VCDI 0 0 0 34 123 477 6593 25478

Date: 2024-04-26:

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 12 92 0 0 0 0 0 0
OW 4 39 0 0 1 0 0 0
VODI 0 3 0 6 13 1 0 0
ODI 0 0 0 24 15 0 1 0
CDI 0 0 0 63 23 0 30 5
VCDI 0 0 0 111 254 321 5053 27025
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 13 103 0 0 0 0 0 0
OW 3 31 0 2 0 0 0 0
VODI 0 0 0 19 7 1 0 0
ODI 0 0 0 29 9 0 9 4
CDI 0 0 0 91 140 10 23 38
VCDI 0 0 0 63 150 311 5052 26988


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