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: 2019-02-28

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

Model vs. observations, sea ice class contingency tables

Date: 2019-02-22:

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 1 6 0 0
ODI 0 0 0 6 1 46 0 0
CDI 0 0 0 11 11 64 47 10
VCDI 0 0 0 1 219 1147 6379 37917
...date precedes bulletin

Date: 2019-02-24:

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 32 22 0 0
VODI 0 0 0 0 15 55 0 0
ODI 0 0 0 0 14 49 0 0
CDI 0 0 0 0 38 83 26 48
VCDI 0 0 0 0 109 1292 8129 35954
...date precedes bulletin

Date: 2019-02-26:

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 5 2 0
VODI 0 0 0 3 52 29 11 0
ODI 0 0 0 0 29 47 8 4
CDI 0 0 0 0 40 111 32 54
VCDI 0 0 0 0 47 1331 7922 36139
...date precedes bulletin

Date: 2019-02-28:

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 3 0 0
OW 0 0 0 33 48 39 0 0
VODI 0 0 0 19 38 66 0 0
ODI 0 0 0 3 59 48 14 0
CDI 0 0 0 0 41 77 106 52
VCDI 0 0 0 0 161 1228 8427 35404
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 2 0 0
OW 0 0 0 34 44 34 0 0
VODI 0 0 0 20 46 78 1 0
ODI 0 0 0 1 50 41 24 0
CDI 0 0 0 0 51 66 125 55
VCDI 0 0 0 0 156 1240 8397 35401

Date: 2019-03-02:

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 1 2 36 109 19 0 0
VODI 0 0 0 25 98 69 16 0
ODI 0 0 0 8 54 80 32 1
CDI 0 0 0 13 33 189 137 44
VCDI 0 0 0 57 340 987 8167 35349
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 13 19 0 0 0
OW 0 1 2 26 111 41 3 0
VODI 0 0 0 21 78 60 24 0
ODI 0 0 0 9 54 63 35 1
CDI 0 0 0 14 28 182 136 38
VCDI 0 0 0 56 344 998 8154 35355

Date: 2019-03-04:

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 1 6 0 0 0
VODI 0 0 0 124 167 0 0 0
ODI 0 0 0 7 215 46 0 0
CDI 0 0 0 0 55 226 31 11
VCDI 0 0 0 0 75 1140 7419 36343
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 3 23 0 0 0
OW 0 0 0 95 67 0 0 0
VODI 0 0 0 34 187 25 0 0
ODI 0 0 0 0 101 62 10 0
CDI 0 0 0 0 49 118 51 27
VCDI 0 0 0 0 91 1207 7389 36327

Date: 2019-03-06:

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 42 20 0 0 0
VODI 0 2 2 79 127 3 0 0
ODI 0 0 0 19 113 98 0 0
CDI 0 0 0 0 43 209 24 14
VCDI 0 0 0 0 56 921 6534 37560
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 10 0 0 0
OW 0 0 0 91 73 0 0 0
VODI 0 2 2 49 142 41 0 0
ODI 0 0 0 0 60 101 15 0
CDI 0 0 0 0 20 131 54 32
VCDI 0 0 0 0 54 958 6489 37542

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
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 0 139 71 0 0
ODI 0 0 0 0 30 186 29 0
CDI 0 0 0 0 16 105 83 0
VCDI 0 0 0 0 129 1127 5330 38621


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