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: 2019-03-14

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

Model vs. observations, sea ice class contingency tables

Date: 2019-03-08:

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 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 98 38 0 0
ODI 0 0 0 0 69 110 0 0
CDI 0 0 0 0 20 232 20 0
VCDI 0 0 0 0 127 1109 5422 38621
...date precedes bulletin

Date: 2019-03-10:

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 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 37 9 0 0
ODI 0 0 0 0 71 81 0 0
CDI 0 0 0 0 32 129 11 29
VCDI 0 0 0 0 39 1380 6783 37265
...date precedes bulletin

Date: 2019-03-12:

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 0 0 0 0 0
ODI 0 0 0 0 7 0 0 0
CDI 0 0 0 0 40 43 47 37
VCDI 0 0 0 0 86 1708 7396 36502
...date precedes bulletin

Date: 2019-03-14:

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 5 5 0 0
CDI 0 0 0 0 22 52 0 12
VCDI 0 0 0 0 37 1333 5044 39356
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 5 7 0 0
CDI 0 0 0 0 23 62 2 13
VCDI 0 0 0 0 36 1321 5042 39355

Date: 2019-03-16:

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 5 0 0
ODI 0 0 0 0 0 11 5 0
CDI 0 0 0 0 33 97 82 36
VCDI 0 0 0 0 97 1318 9576 34606
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 6 0 0
ODI 0 0 0 0 0 14 7 0
CDI 0 0 0 0 30 109 80 43
VCDI 0 0 0 0 100 1302 9576 34599

Date: 2019-03-18:

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 0 2 0 0
ODI 0 0 0 0 8 32 0 0
CDI 0 0 0 0 68 150 30 6
VCDI 0 0 0 0 135 1736 9491 34208
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 14 3 0
CDI 0 0 0 0 39 98 31 10
VCDI 0 0 0 0 170 1803 9487 34204

Date: 2019-03-20:

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 2 0
CDI 0 0 0 0 8 24 22 0
VCDI 0 0 0 0 83 1433 9610 34684
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 3 2 0
CDI 0 0 0 0 2 41 49 103
VCDI 0 0 0 0 89 1413 9583 34581

Date: 2019-03-22:

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 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 98 13 13
VCDI 0 0 0 0 18 1352 8614 35756
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 3 4
CDI 0 0 0 0 0 108 107 81
VCDI 0 0 0 0 20 1335 8517 35684


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