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: 2021-10-12

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

Model vs. observations, sea ice class contingency tables

Date: 2021-10-12:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20978 24517 0 1858 571 21 0 0
OW 0 205 0 270 143 5 0 0
VODI 0 105 0 507 384 19 0 0
ODI 0 29 0 439 1248 227 38 1
CDI 0 8 0 182 1345 1195 494 290
VCDI 0 1 0 85 1243 5988 16031 22422

Date: 2021-10-14:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20680 23135 0 2266 1199 163 1 0
OW 6 333 0 250 166 27 3 0
VODI 0 399 0 380 382 65 12 0
ODI 0 135 0 259 648 189 40 6
CDI 0 24 0 295 866 801 351 206
VCDI 0 11 0 192 1575 6669 17310 21805

Date: 2021-10-16:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18270 22887 0 2404 2347 624 23 0
OW 47 310 0 170 233 82 8 0
VODI 43 367 0 232 459 142 12 0
ODI 4 246 0 229 571 228 22 18
CDI 0 215 0 199 723 796 271 133
VCDI 0 54 0 216 1931 6800 14335 25198

Date: 2021-10-18:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18025 19406 0 2488 2924 2027 271 0
OW 6 386 0 107 186 194 33 0
VODI 17 542 0 211 331 348 75 0
ODI 13 368 0 184 404 466 68 0
CDI 0 204 0 222 431 1035 350 70
VCDI 0 129 0 179 1451 8109 16712 22877


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