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: 2022-05-17

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

Model vs. observations, sea ice class contingency tables

Date: 2022-05-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 27161 15248 0 802 257 31 15 1
OW 0 149 0 239 327 42 26 0
VODI 0 233 0 488 1285 545 269 17
ODI 0 224 0 545 1887 1329 1002 184
CDI 0 159 0 652 3016 3486 3131 2546
VCDI 0 66 0 773 5158 10839 27491 43772

Date: 2022-05-19:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 27279 15249 0 1003 480 71 51 0
OW 0 230 0 317 487 161 62 0
VODI 0 358 0 578 1289 574 380 9
ODI 0 358 0 614 1851 1308 1040 322
CDI 0 301 0 741 2818 3450 3367 2188
VCDI 0 272 0 1112 5217 9970 27471 42417

Date: 2022-05-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 27056 15358 0 1223 911 151 68 0
OW 0 259 0 293 510 144 86 0
VODI 0 439 0 577 1284 549 360 23
ODI 0 458 0 658 1880 1575 1191 381
CDI 0 387 0 684 2680 3633 3896 2165
VCDI 0 502 0 1189 5308 9190 29161 39166

Date: 2022-05-23:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 27358 14856 0 1304 1004 134 101 0
OW 0 301 0 364 569 141 73 0
VODI 0 542 0 699 1354 692 330 29
ODI 0 557 0 808 2006 1508 1230 282
CDI 0 564 0 851 3120 3691 4327 2439
VCDI 0 652 0 1081 5242 9871 26965 38350


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