Description of algorithm
Full domain
American sector
European sector
  Ice concntr, edge pos
  Contingency tables
Asian sector

Validation of sea ice concentration - European sector

Bulletin date: 2024-04-09

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

Model vs. observations, sea ice class contingency tables

Date: 2024-04-09:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 13850 14814 110 729 228 39 0 0
OW 0 207 6 147 78 19 0 0
VODI 0 379 25 259 118 53 1 0
ODI 0 260 26 286 235 96 58 0
CDI 0 167 34 413 538 697 795 42
VCDI 0 88 21 615 1365 2586 9698 7586

Date: 2024-04-11:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14166 14937 143 1030 401 71 2 0
OW 0 137 14 116 53 29 9 0
VODI 0 185 14 173 110 62 18 0
ODI 0 147 9 226 254 174 106 0
CDI 0 129 13 373 682 827 761 118
VCDI 0 58 14 592 1524 2825 8108 8058

Date: 2024-04-13:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14091 15083 118 1143 405 76 11 0
OW 0 109 6 138 50 25 7 0
VODI 0 142 9 231 126 57 7 0
ODI 0 174 19 306 248 131 58 0
CDI 0 175 25 396 710 742 721 109
VCDI 0 84 31 598 1392 2500 8755 7660

Date: 2024-04-15:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 14717 14745 120 909 423 175 18 1
OW 0 136 13 123 43 36 6 0
VODI 0 211 10 216 167 59 12 1
ODI 0 207 15 344 299 112 49 14
CDI 0 190 17 429 640 594 610 143
VCDI 0 166 30 557 1516 3261 6873 8461


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