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

Validation of sea ice concentration - American sector

Bulletin date: 2023-08-29

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

Model vs. observations, sea ice class contingency tables

Date: 2023-08-29:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 18066 5156 14 92 4 1 0 0
OW 116 528 3 49 2 6 0 0
VODI 181 1198 21 138 68 95 38 0
ODI 73 2509 253 1598 1340 1029 524 0
CDI 0 304 107 1202 2668 3831 2502 4
VCDI 0 0 0 20 354 895 607 0

Date: 2023-08-31:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19400 4910 20 112 4 0 0 0
OW 81 264 3 25 5 6 0 0
VODI 206 1097 20 95 82 92 31 0
ODI 130 2442 180 1450 1317 968 434 0
CDI 14 426 77 1170 2276 3611 2418 0
VCDI 0 0 0 76 362 1089 703 0

Date: 2023-09-02:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 19883 5026 14 107 2 0 0 0
OW 98 308 2 35 3 2 1 0
VODI 202 1018 18 105 88 108 29 0
ODI 149 2147 149 1411 1139 920 394 0
CDI 10 347 44 1048 2340 3411 2378 0
VCDI 0 0 0 80 391 1187 1002 0

Date: 2023-09-04:

Forecast
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20225 5174 23 135 4 0 0 0
OW 90 294 2 25 1 5 0 0
VODI 228 920 28 103 53 124 18 0
ODI 124 2092 161 805 1085 1108 255 0
CDI 10 297 68 719 1975 4567 1765 0
VCDI 0 8 0 45 474 1654 932 0


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