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: 2020-01-09

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

Model vs. observations, sea ice class contingency tables

Date: 2020-01-03:

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 0 0 0 0 0 0 0 0
OW 0 0 0 0 2 0 0 0
VODI 0 0 0 8 39 0 0 0
ODI 0 9 5 81 122 3 0 0
CDI 0 0 0 43 143 94 10 6
VCDI 0 0 0 1 527 2297 11270 31206
...date precedes bulletin

Date: 2020-01-05:

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 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 27 0 0 0
ODI 0 0 0 15 48 17 0 0
CDI 0 21 3 88 111 155 6 19
VCDI 0 0 0 21 223 2015 8695 34402
...date precedes bulletin

Date: 2020-01-07:

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 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 12 0 0
CDI 0 0 0 31 93 156 18 4
VCDI 0 0 0 9 186 1983 8452 34922
...date precedes bulletin

Date: 2020-01-09:

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 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 5 0 0
CDI 0 0 0 0 1 111 34 22
VCDI 0 0 0 0 154 1962 9118 34459
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 9 0 0
CDI 0 0 0 0 1 117 36 30
VCDI 0 0 0 0 154 1952 9116 34451

Date: 2020-01-11:

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 2 0 0
ODI 0 0 0 0 2 50 0 0
CDI 0 0 0 0 1 119 48 2
VCDI 0 0 0 0 112 2369 10450 32711
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 5 0 0
ODI 0 0 0 0 2 49 0 0
CDI 0 0 0 0 1 131 50 8
VCDI 0 0 0 0 112 2355 10448 32705

Date: 2020-01-13:

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 12 2 0
ODI 0 0 0 0 9 48 0 0
CDI 0 0 0 0 66 147 54 46
VCDI 0 0 0 0 381 2514 10295 32292
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 35 2 0
ODI 0 0 0 0 8 55 0 0
CDI 0 0 0 0 44 160 54 61
VCDI 0 0 0 0 404 2471 10295 32277

Date: 2020-01-15:

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 11 13 0
CDI 0 0 0 0 4 118 42 0
VCDI 0 0 0 0 90 2209 10075 33304
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 7 18 0
CDI 0 0 0 0 12 121 74 4
VCDI 0 0 0 0 82 2210 10038 33300

Date: 2020-01-17:

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 20 2 0
ODI 0 0 0 0 12 65 7 0
CDI 0 0 0 0 39 226 48 2
VCDI 0 0 0 0 117 3705 12262 29361
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 20 2 0
ODI 0 0 0 0 2 53 7 0
CDI 0 0 0 0 30 159 36 1
VCDI 0 0 0 0 136 3784 12274 29362


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