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: 2021-04-06

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

Model vs. observations, sea ice class contingency tables

Date: 2021-04-06:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6577 7507 0 193 37 6 1 0
OW 0 140 0 100 67 13 0 0
VODI 0 194 0 116 139 91 11 0
ODI 0 149 0 103 200 240 82 35
CDI 0 130 0 116 417 393 467 366
VCDI 0 269 0 586 1795 3082 11745 65482

Date: 2021-04-08:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 6893 7328 0 213 150 10 0 0
OW 0 172 0 77 113 35 3 0
VODI 0 272 0 133 143 134 7 0
ODI 0 196 0 208 186 176 69 12
CDI 0 215 0 244 264 383 325 220
VCDI 0 750 0 999 1618 3301 11591 64409

Date: 2021-04-10:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7252 7148 0 229 184 24 0 0
OW 0 200 0 90 200 45 0 0
VODI 0 339 0 139 293 101 15 0
ODI 0 346 0 143 300 290 209 24
CDI 0 467 0 176 368 487 749 224
VCDI 0 1317 0 656 1484 3244 12620 61486

Date: 2021-04-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7485 6903 0 244 214 19 0 0
OW 0 173 0 93 219 37 0 0
VODI 0 264 0 170 401 146 30 0
ODI 0 287 0 145 300 278 312 49
CDI 0 509 0 202 390 612 965 563
VCDI 0 1527 0 753 1629 3315 17011 55604


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