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: 2022-10-11

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

Model vs. observations, sea ice class contingency tables

Date: 2022-10-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 67655 33096 0 2016 482 25 0 0
OW 0 147 0 213 104 3 0 0
VODI 0 160 0 436 338 27 0 0
ODI 0 52 0 428 750 98 7 1
CDI 0 7 0 280 1444 851 556 201
VCDI 0 1 0 98 2673 7330 18138 15778

Date: 2022-10-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 66013 32403 0 2556 1985 136 0 0
OW 0 117 0 196 212 40 0 0
VODI 0 135 0 220 314 74 0 0
ODI 0 62 0 228 477 120 11 0
CDI 0 16 0 215 1124 864 375 163
VCDI 0 11 0 99 1791 7074 16201 20163

Date: 2022-10-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 64961 31368 0 2496 2459 1030 15 0
OW 2 169 0 126 183 96 10 0
VODI 0 177 0 189 315 149 14 0
ODI 0 105 0 173 352 212 17 0
CDI 0 56 0 243 865 818 307 110
VCDI 0 14 0 160 1325 7290 20361 17228

Date: 2022-10-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 60459 33207 0 2864 3144 1522 117 0
OW 0 247 0 117 212 182 15 0
VODI 0 266 0 140 294 291 39 0
ODI 0 144 0 165 356 351 48 0
CDI 0 80 0 224 532 780 478 241
VCDI 0 27 0 202 1255 6214 18730 20452


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