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: 2021-08-03

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

Model vs. observations, sea ice class contingency tables

Date: 2021-08-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1792 4235 0 198 56 3 0 0
OW 0 123 0 210 100 32 1 0
VODI 0 178 0 349 775 920 147 0
ODI 0 119 0 310 1557 4266 1519 48
CDI 0 42 0 183 2093 9244 5554 243
VCDI 0 0 0 8 63 435 514 12

Date: 2021-08-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 2296 4124 0 304 174 44 0 2
OW 0 115 0 95 191 59 6 16
VODI 0 187 0 241 1025 631 91 65
ODI 0 180 0 329 2330 3368 1360 243
CDI 0 62 0 278 2612 8239 4905 786
VCDI 0 0 0 4 110 369 456 32

Date: 2021-08-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1634 4727 0 340 223 84 9 0
OW 0 118 0 95 258 78 28 0
VODI 0 216 0 233 1036 775 122 0
ODI 0 180 0 328 2521 3626 1130 65
CDI 0 67 0 203 3016 8473 4803 218
VCDI 0 0 0 7 100 189 403 24

Date: 2021-08-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1112 5159 0 384 335 86 1 0
OW 0 106 0 78 248 134 7 0
VODI 0 225 0 265 1172 826 124 3
ODI 0 159 0 385 2662 3141 1576 226
CDI 0 68 0 309 3469 6761 4838 643
VCDI 0 0 0 6 150 320 340 11


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