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: 2022-04-14

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

Model vs. observations, sea ice class contingency tables

Date: 2022-04-08:

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 39 4 76 0 0 0 0
OW 0 1 3 31 14 0 0 0
VODI 0 0 0 41 31 0 0 0
ODI 0 0 0 24 38 11 1 0
CDI 0 0 0 31 42 146 62 27
VCDI 0 0 0 12 160 1522 8907 20859
...date precedes bulletin

Date: 2022-04-10:

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 15 3 44 38 0 0 0
OW 0 0 0 11 38 0 0 0
VODI 0 0 0 9 52 0 0 0
ODI 0 0 0 6 61 10 0 0
CDI 0 0 0 0 84 116 23 19
VCDI 0 0 0 0 98 1274 7710 22471
...date precedes bulletin

Date: 2022-04-12:

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 9 3 58 38 0 0 0
OW 0 0 0 29 34 0 0 0
VODI 0 2 1 27 46 2 0 0
ODI 0 6 2 14 69 18 0 0
CDI 0 7 2 13 48 128 4 0
VCDI 0 0 0 31 172 1650 8140 21529
...date precedes bulletin

Date: 2022-04-14:

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 6 3 82 27 0 0 0
OW 0 0 0 26 22 0 0 0
VODI 0 0 0 26 48 0 0 0
ODI 0 0 0 7 66 5 0 0
CDI 0 0 0 9 66 98 55 5
VCDI 0 0 0 24 145 1552 8254 21556
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 6 3 84 31 0 0 0
OW 0 0 0 26 27 0 0 0
VODI 0 0 0 23 43 0 0 0
ODI 0 0 0 9 60 6 0 0
CDI 0 0 0 9 65 107 63 6
VCDI 0 0 0 23 148 1542 8246 21555

Date: 2022-04-16:

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 0 0 35 66 0 0 0
OW 0 0 0 0 46 6 0 0
VODI 0 0 0 0 58 13 0 0
ODI 0 0 0 0 43 29 0 0
CDI 0 0 0 1 51 119 36 5
VCDI 0 0 0 0 94 1454 6778 23248
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 35 73 0 0 0
OW 0 0 0 0 43 8 0 0
VODI 0 0 0 0 53 11 0 0
ODI 0 0 0 0 41 28 0 0
CDI 0 0 0 0 56 116 40 2
VCDI 0 0 0 1 92 1458 6774 23251

Date: 2022-04-18:

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 0 0 0 59 20 0 0 0
OW 0 0 0 19 25 5 0 0
VODI 0 0 0 8 55 17 0 0
ODI 0 0 0 0 86 57 4 0
CDI 0 0 0 0 66 191 80 12
VCDI 0 0 0 0 63 1338 9994 19983
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 60 27 4 0 0
OW 0 0 0 19 21 6 0 0
VODI 0 0 0 7 41 9 0 0
ODI 0 0 0 0 42 21 5 0
CDI 0 0 0 0 72 121 111 20
VCDI 0 0 0 0 112 1447 9962 19975

Date: 2022-04-20:

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 0 4 3 36 15 0 0 0
OW 0 0 0 19 22 8 0 0
VODI 0 0 0 28 33 18 0 0
ODI 0 0 0 12 32 31 5 0
CDI 0 0 0 7 42 152 123 8
VCDI 0 0 0 2 83 1184 11020 19195
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free 0 4 3 35 27 4 0 0
OW 0 0 0 18 17 8 0 0
VODI 0 0 0 18 28 15 0 0
ODI 0 0 0 15 27 16 4 0
CDI 0 0 0 12 41 129 117 11
VCDI 0 0 0 6 87 1221 11027 19192

Date: 2022-04-22:

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 0 0 0 0 30 15 0 0
OW 0 0 0 0 15 29 0 0
VODI 0 0 0 0 28 41 3 0
ODI 0 0 0 0 34 34 6 0
CDI 0 0 0 0 18 119 100 0
VCDI 0 0 0 0 46 903 10439 20222
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 31 30 0 0
OW 0 0 0 0 12 28 2 0
VODI 0 0 0 0 20 35 4 0
ODI 0 0 0 0 34 31 8 0
CDI 0 0 0 0 23 138 131 0
VCDI 0 0 0 0 51 879 10403 20222


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