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: 2023-02-28

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

Model vs. observations, sea ice class contingency tables

Date: 2023-02-28:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20618 12963 0 320 201 21 0 0
OW 11 321 0 118 28 7 0 0
VODI 2 328 0 226 66 16 0 0
ODI 4 335 0 218 172 64 22 1
CDI 0 310 0 301 380 486 331 171
VCDI 0 419 0 750 2989 6986 21366 63996

Date: 2023-03-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19704 13908 0 464 235 35 0 0
OW 1 190 0 92 33 12 0 0
VODI 1 247 0 189 91 21 1 0
ODI 2 178 0 214 203 90 22 1
CDI 1 222 0 271 630 544 409 197
VCDI 0 345 0 692 2827 6563 23536 62376

Date: 2023-03-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19607 13879 0 549 226 19 0 0
OW 12 160 0 99 60 7 0 0
VODI 8 245 0 163 153 22 0 0
ODI 0 195 0 121 180 86 12 7
CDI 1 178 0 182 465 605 280 253
VCDI 0 334 0 626 2251 6927 21379 65256

Date: 2023-03-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18770 14452 0 579 261 41 2 0
OW 0 199 0 93 76 6 1 0
VODI 0 242 0 132 139 29 3 0
ODI 0 190 0 130 193 107 35 2
CDI 0 287 0 212 368 636 430 242
VCDI 0 385 0 539 2025 5810 22533 65398


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