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: 2021-09-21

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

Model vs. observations, sea ice class contingency tables

Date: 2021-09-21:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 33030 24070 0 955 58 0 0 0
OW 0 313 0 257 20 0 0 0
VODI 0 320 0 1345 339 25 6 0
ODI 0 127 0 1625 1482 381 145 2
CDI 0 74 0 471 1868 2428 1391 53
VCDI 0 27 0 186 1341 9984 16561 1965

Date: 2021-09-23:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 33366 22787 0 1522 125 0 0 0
OW 0 327 0 315 64 0 0 0
VODI 0 337 0 832 222 19 0 0
ODI 0 219 0 1607 1119 293 101 2
CDI 0 121 0 711 1755 2280 1428 28
VCDI 0 89 0 229 1655 10432 17424 1440

Date: 2021-09-25:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 31609 23613 0 1716 718 55 0 0
OW 0 273 0 243 178 21 0 0
VODI 0 353 0 371 408 82 6 0
ODI 0 203 0 483 1131 437 119 35
CDI 0 190 0 346 2259 1951 1240 496
VCDI 0 103 0 240 1491 5769 15692 9018

Date: 2021-09-27:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 29120 25173 0 1667 1564 100 0 0
OW 0 292 0 172 275 33 0 0
VODI 0 390 0 222 441 64 9 0
ODI 0 278 0 324 930 229 109 1
CDI 0 199 0 289 1843 1560 834 154
VCDI 0 165 0 254 1677 8681 15767 8033


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