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

Validation of sea ice concentration - Full domain

Bulletin date: 2022-03-22

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

Model vs. observations, sea ice class contingency tables

Date: 2022-03-22:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26500 14872 0 670 585 301 26 0
OW 0 366 0 197 123 42 8 0
VODI 0 358 0 343 235 72 12 0
ODI 0 217 0 333 353 289 85 9
CDI 0 140 0 363 781 1076 921 192
VCDI 0 170 0 547 2370 9560 26357 64922

Date: 2022-03-24:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25849 15067 0 1070 818 425 30 0
OW 0 196 0 162 120 53 6 0
VODI 0 272 0 249 258 101 7 0
ODI 0 224 0 195 305 326 203 13
CDI 0 131 0 242 616 1159 956 414
VCDI 0 163 0 459 2010 10128 30411 60757

Date: 2022-03-26:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25590 14826 0 1097 1043 504 42 0
OW 0 138 0 135 124 56 11 0
VODI 0 146 0 197 240 103 19 1
ODI 0 174 0 141 379 430 197 58
CDI 0 136 0 163 666 1388 1018 473
VCDI 0 169 0 380 1854 9808 31523 60166

Date: 2022-03-28:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25270 15052 0 972 749 380 189 0
OW 0 188 0 125 117 41 38 0
VODI 0 216 0 168 214 85 51 0
ODI 0 161 0 144 472 381 278 45
CDI 0 189 0 240 728 1165 1160 689
VCDI 0 214 0 441 2194 7763 30020 63256


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