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: 2019-02-07

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

Model vs. observations, sea ice class contingency tables

Date: 2019-02-01:

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 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 6 1 0 0
CDI 0 0 0 0 55 90 55 2
VCDI 0 0 0 0 60 968 9733 34896
...date precedes bulletin

Date: 2019-02-03:

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 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 36 0 0
ODI 0 0 0 0 0 37 3 0
CDI 0 0 0 0 28 121 51 18
VCDI 0 0 0 0 124 1116 9803 34529
...date precedes bulletin

Date: 2019-02-05:

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 0 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 0 4 0 0
ODI 0 0 0 0 0 41 5 0
CDI 0 0 0 0 9 105 49 13
VCDI 0 0 0 0 36 1002 8320 36282
...date precedes bulletin

Date: 2019-02-07:

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 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 3 62 4 0
ODI 0 0 0 5 2 37 14 0
CDI 0 0 0 5 12 181 33 17
VCDI 0 0 0 5 75 1230 9013 35168
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 3 17 0 0
VODI 0 0 0 0 0 46 7 0
ODI 0 0 0 4 2 37 11 0
CDI 0 0 0 5 11 188 35 26
VCDI 0 0 0 6 76 1222 9011 35159

Date: 2019-02-09:

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 0 0 0 0 0 0 0
OW 0 0 0 0 2 25 0 0
VODI 0 0 0 0 2 74 0 0
ODI 0 0 0 0 21 28 23 1
CDI 0 0 0 0 20 156 54 75
VCDI 0 0 0 0 45 1857 10438 33045
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 48 0 0
VODI 0 0 0 0 8 59 0 0
ODI 0 0 0 0 22 25 22 4
CDI 0 0 0 0 16 165 52 88
VCDI 0 0 0 0 42 1843 10441 33029

Date: 2019-02-11:

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 5 1 0
ODI 0 0 0 0 7 48 27 0
CDI 0 0 0 0 26 160 105 11
VCDI 0 0 0 0 35 1308 8355 35778
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 47 84 0
ODI 0 0 0 0 0 11 49 1
CDI 0 0 0 0 4 140 129 29
VCDI 0 0 0 0 64 1323 8226 35759

Date: 2019-02-13:

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 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 71 17 16
VCDI 0 0 0 0 7 973 7664 37118
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 19 51 2
CDI 0 0 0 0 0 48 99 12
VCDI 0 0 0 0 7 977 7531 37120

Date: 2019-02-15:

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 6 22 0
CDI 0 0 0 0 0 22 34 21
VCDI 0 0 0 0 1 505 3468 41787
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 24 0
CDI 0 0 0 0 0 21 29 7
VCDI 0 0 0 0 1 507 3471 41801


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