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: 2021-06-01

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

Model vs. observations, sea ice class contingency tables

Date: 2021-06-01:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 391 0 94 57 29 6 1
OW 0 50 0 34 80 45 23 3
VODI 0 99 0 31 145 251 98 14
ODI 0 61 0 21 220 486 474 161
CDI 0 74 0 37 243 802 2033 1148
VCDI 0 178 0 177 695 2744 10270 14054

Date: 2021-06-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 409 0 112 171 77 39 2
OW 0 56 0 39 154 38 57 6
VODI 0 62 0 42 202 192 158 22
ODI 0 70 0 38 210 300 486 144
CDI 0 76 0 39 236 629 2132 1108
VCDI 0 187 0 179 685 2254 13963 10755

Date: 2021-06-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 453 0 170 259 108 112 10
OW 0 72 0 51 148 71 60 2
VODI 0 101 0 34 136 279 180 25
ODI 0 71 0 42 142 271 462 149
CDI 0 95 0 53 193 569 1988 906
VCDI 0 239 0 174 565 2555 12652 11932

Date: 2021-06-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 0 496 0 256 333 152 146 11
OW 0 90 0 44 107 120 50 0
VODI 0 96 0 37 154 252 200 29
ODI 0 86 0 47 128 294 526 151
CDI 0 104 0 56 184 587 2283 806
VCDI 0 313 0 171 489 2184 14846 9501


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