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

Validation of sea ice concentration - American sector

Bulletin date: 2017-01-12

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

Model vs. observations, sea ice class contingency tables

Date: 2017-01-06:

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 0 0 0 0 0 0 0
OW 0 0 0 31 3 0 0 0
VODI 0 0 0 25 70 20 0 0
ODI 0 0 0 10 113 36 0 0
CDI 0 0 0 14 235 214 16 1
VCDI 0 0 0 1 264 4890 13609 26314
...date precedes bulletin

Date: 2017-01-08:

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 0 9 9 0 0 0 0
OW 0 0 37 38 16 0 0 0
VODI 0 0 16 61 53 18 0 0
ODI 0 0 0 43 103 45 0 0
CDI 0 0 0 0 138 326 16 3
VCDI 0 0 0 0 145 2990 13311 28489
...date precedes bulletin

Date: 2017-01-10:

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 0 15 12 0 0 0 0
OW 0 0 29 62 10 0 0 0
VODI 0 0 0 69 43 20 0 0
ODI 0 0 0 4 70 116 0 0
CDI 0 0 0 0 22 330 21 40
VCDI 0 0 0 0 21 1905 10348 32729
...date precedes bulletin

Date: 2017-01-12:

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 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 66 5 0 0 0
ODI 0 0 0 39 58 13 0 0
CDI 0 0 0 0 88 224 8 6
VCDI 0 0 0 0 115 3863 12525 28856
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 63 1 0 0 0
ODI 0 0 0 42 63 17 0 0
CDI 0 0 0 0 91 213 7 11
VCDI 0 0 0 0 111 3870 12526 28851

Date: 2017-01-14:

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 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 3 1 0 0
CDI 0 0 0 0 88 160 16 16
VCDI 0 0 0 0 140 3313 13546 28583
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 4 1 0 0
CDI 0 0 0 0 65 125 20 20
VCDI 0 0 0 0 162 3348 13542 28579

Date: 2017-01-16:

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 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 3 0 0 0
CDI 0 0 0 0 7 63 4 3
VCDI 0 0 0 0 44 2737 12432 30573
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 5 50 1 29
VCDI 0 0 0 0 49 2750 12435 30547

Date: 2017-01-18:

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 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 4 0 0 0
ODI 0 0 0 0 57 60 1 0
CDI 0 0 0 0 82 252 24 5
VCDI 0 0 0 0 103 2755 11512 31011
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 4 0 0 0
ODI 0 0 0 0 46 38 1 0
CDI 0 0 0 0 66 166 11 3
VCDI 0 0 0 0 130 2863 11525 31013

Date: 2017-01-20:

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 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 14 183 21 27
VCDI 0 0 0 0 11 2164 11206 32240
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 2 43 22 33
VCDI 0 0 0 0 23 2304 11205 32234


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