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: 2023-01-03

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

Model vs. observations, sea ice class contingency tables

Date: 2023-01-03:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 28482 9796 0 587 421 274 103 0
OW 9 178 0 83 66 11 3 0
VODI 7 240 0 151 129 31 2 0
ODI 0 312 0 190 299 90 20 0
CDI 0 356 0 252 582 457 362 220
VCDI 0 226 0 376 1895 5881 22734 59722

Date: 2023-01-05:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 26484 11333 0 835 498 355 109 0
OW 0 151 0 92 86 15 0 0
VODI 0 198 0 141 170 35 5 0
ODI 0 211 0 129 205 81 15 1
CDI 0 288 0 144 357 477 445 152
VCDI 0 437 0 442 1707 6084 22485 60380

Date: 2023-01-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25430 11823 0 1017 673 336 100 0
OW 3 139 0 90 95 38 9 0
VODI 18 190 0 98 138 79 6 0
ODI 1 165 0 97 121 111 29 0
CDI 0 217 0 135 192 331 422 282
VCDI 0 454 0 487 1614 5041 19441 65125

Date: 2023-01-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 25464 11646 0 729 678 288 169 0
OW 0 186 0 89 92 41 12 0
VODI 1 250 0 139 131 75 21 0
ODI 0 222 0 106 87 102 42 2
CDI 0 217 0 141 147 290 405 240
VCDI 0 586 0 582 1618 4349 17866 67534


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