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A field study of orographic precipitation anomalies during high velocity winds using an aerofoil rain gauge
journal contribution
posted on 2023-05-16, 09:52 authored by Morris, CJG, Manuel NunezManuel Nunez, Montes, JSThis study was prompted by a need to explain an anomaly in the apparent precipitation distribution over a prominent mountain subject to a high velocity westerly airstream. Historical data reveal that the lee receives 58% more precipitation than the summit. A novel rain gauge with a vertically orientated collecting orifice, 3 standard rain gauges and complementary wind data were procured from 3 sites on the mountain to assess the effect of the airstream on the precipitation distribution. The catch efficiency of standard rain gauges decrease after the wind velocity exceeds 2.5 ms -1 Results indicate that the summit actually receives 59% more precipitation than the lee, where a vortex directly affects the precipitation distribution over, and east, of the mountain. © 1995 Springer-Verlag.
History
Publication title
Theoretical and Applied ClimatologyVolume
51Pagination
139-151ISSN
0177-798XDepartment/School
School of Geography, Planning and Spatial SciencesPublisher
Springer-Verlag WienPlace of publication
Viena, AustriaRepository Status
- Restricted