Description of algorithm
Full domain
American sector
  Ice concntr, edge pos
  Contingency tables
European sector
Asian sector

Validation of sea ice concentration - American sector

Bulletin date: 2021-07-20

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

Model vs. observations, sea ice class contingency tables

Date: 2021-07-20:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 642 3417 0 141 95 15 0 0
OW 0 125 0 80 112 27 0 0
VODI 0 148 0 119 762 827 45 1
ODI 0 138 0 193 2108 3601 600 25
CDI 0 84 0 284 3519 9465 3762 93
VCDI 0 0 0 9 194 1833 2807 58

Date: 2021-07-22:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 729 3432 0 212 296 43 0 0
OW 0 130 0 52 139 93 1 0
VODI 0 184 0 182 623 1004 18 0
ODI 0 142 0 262 1940 4209 197 0
CDI 0 64 0 223 2768 13206 1151 1
VCDI 0 0 0 1 161 2994 872 0

Date: 2021-07-24:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1169 3209 0 259 349 102 8 0
OW 0 135 0 64 209 113 27 0
VODI 0 173 0 161 766 850 106 1
ODI 0 181 0 232 1999 3390 702 46
CDI 0 79 0 210 2942 10275 4120 138
VCDI 0 0 0 0 127 1391 1767 29

Date: 2021-07-26:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 837 3869 0 371 414 100 18 0
OW 0 130 0 82 187 91 46 0
VODI 0 149 0 196 871 705 137 0
ODI 0 113 0 283 2052 3181 781 26
CDI 0 44 0 191 2553 9694 4958 268
VCDI 0 0 0 1 103 904 1819 155


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