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: 2023-03-07

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

Model vs. observations, sea ice class contingency tables

Date: 2023-03-07:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18904 14507 0 452 168 15 0 0
OW 0 321 0 115 48 2 0 0
VODI 0 309 0 223 120 9 2 0
ODI 0 169 0 225 208 98 28 5
CDI 0 144 0 236 388 495 457 217
VCDI 0 144 0 495 2283 6359 19309 68092

Date: 2023-03-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19283 14234 0 542 214 15 0 0
OW 0 162 0 132 57 2 0 0
VODI 0 204 0 145 100 8 1 0
ODI 0 162 0 149 187 59 52 0
CDI 0 153 0 212 408 537 623 217
VCDI 0 380 0 507 2301 8208 21517 63776

Date: 2023-03-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18487 15270 0 685 240 8 0 0
OW 3 130 0 113 66 6 0 0
VODI 5 166 0 151 123 17 4 0
ODI 0 135 0 143 142 75 53 8
CDI 2 135 0 208 332 456 550 386
VCDI 0 408 0 543 2365 6309 19250 67573

Date: 2023-03-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 17659 15882 0 744 380 36 0 0
OW 0 110 0 98 58 10 0 0
VODI 0 158 0 146 107 36 0 0
ODI 0 114 0 143 141 76 58 7
CDI 0 153 0 138 286 413 628 333
VCDI 0 326 0 455 2094 5974 16807 70977


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