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: 2021-05-11

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

Model vs. observations, sea ice class contingency tables

Date: 2021-05-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7962 7662 0 458 153 88 13 2
OW 0 196 0 236 166 74 28 5
VODI 0 183 0 371 610 248 198 29
ODI 0 70 0 215 620 789 608 219
CDI 0 35 0 183 641 1361 1482 1147
VCDI 0 49 0 345 1822 5470 19865 47246

Date: 2021-05-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7606 7743 0 661 291 160 36 2
OW 0 143 0 281 229 112 58 2
VODI 0 133 0 269 734 409 235 16
ODI 0 80 0 216 680 737 632 244
CDI 0 76 0 163 760 1579 1754 1286
VCDI 0 109 0 408 1997 7210 20122 43676

Date: 2021-05-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7573 7404 0 830 449 236 88 1
OW 0 163 0 249 343 195 59 3
VODI 0 133 0 294 686 486 341 52
ODI 0 63 0 221 563 678 822 341
CDI 0 41 0 239 800 1406 2187 1499
VCDI 0 94 0 490 2465 7578 20831 40946

Date: 2021-05-17:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 7335 7449 0 945 604 274 127 3
OW 0 166 0 275 477 260 158 23
VODI 0 98 0 294 694 607 456 112
ODI 0 50 0 198 510 823 858 354
CDI 0 42 0 210 896 1355 2183 1560
VCDI 0 83 0 427 2696 7070 23251 37926


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