Intercomparison of Recording and Standard Nonrecording U.S. Gauges
Open Access
- 1 May 1999
- journal article
- Published by American Meteorological Society in Journal of Atmospheric and Oceanic Technology
- Vol. 16 (5) , 602-609
- https://doi.org/10.1175/1520-0426(1999)016<0602:iorasn>2.0.co;2
Abstract
Existing adjustment procedures for precipitation measured by the 8-in. standard nonrecording rain gauge (SNRG) take into account gauge undercatch mostly due to wind-induced turbulence over its orifice. The goal of this paper is to “reduce” the measurements of the two most commonly used U.S. recording rain gauges (SRGs) to those for a hypothetical SNRG at the same site and use established relationships to adjust their readings to less biased values. This will allow gauge-specific adjustments for each gauge/precipitation type to secure less biased homogeneous precipitation time series and facilitate blending of precipitation information from different sources/networks. A significant portion of the U.S. rain gauges are automated recording gauges. A majority of the gauges of the National Oceanic and Atmospheric Administration Hourly Precipitation Network are unshielded Fischer and Porter recording rain gauges (FP) that have gradually replaced weighing recording rain gauges (WG). There are more than 1... Abstract Existing adjustment procedures for precipitation measured by the 8-in. standard nonrecording rain gauge (SNRG) take into account gauge undercatch mostly due to wind-induced turbulence over its orifice. The goal of this paper is to “reduce” the measurements of the two most commonly used U.S. recording rain gauges (SRGs) to those for a hypothetical SNRG at the same site and use established relationships to adjust their readings to less biased values. This will allow gauge-specific adjustments for each gauge/precipitation type to secure less biased homogeneous precipitation time series and facilitate blending of precipitation information from different sources/networks. A significant portion of the U.S. rain gauges are automated recording gauges. A majority of the gauges of the National Oceanic and Atmospheric Administration Hourly Precipitation Network are unshielded Fischer and Porter recording rain gauges (FP) that have gradually replaced weighing recording rain gauges (WG). There are more than 1...Keywords
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