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Table 6 Monthly mean wind direction and wind speed aggregated for a 64-year period (1950–2014) for 16 NCEP grid points across the Indonesian sub-region

From: Probabilistic Volcanic Ash Hazard Analysis (PVAHA) I: development of the VAPAH tool for emulating multi-scale volcanic ash fall analysis

NCEP point Longitude Latitude Wind direction (deg) Wind speed (m/s)
0 97.5 5 254 9.78
1 97.5 2.5 262 9.90
2 100 0 269 9.96
3 102.5 −2.5 266 9.59
4 105 5 262 9.28
5 107.5 −7.5 257 7.72
6 110 −7.5 259 7.57
7 112.5 −7.5 261 7.52
8 115 −7.5 262 7.49
9 117.5 −7.5 263 7.39
10 120 −7.5 265 7.18
11 122.5 −7.5 269 6.95
12 130 −7.5 267 6.29
13 130 −5 263 8.63
14 127.5 0 267 11.65
15 125 2.5 253 11.41