Relationship of Precipitation to Vertical Motion Observed Directly by a VHF Wind Profiler During a Spring Upslope Storm Near Denver, Colorado

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A comparison is presented between vertical motion observed directly by a VHF wind profiler and the rainfall rate measured at two surface stations during an intense Colorado upslope spring storm. Averaged (8–9 hrs) precipitation rate and sub-synoptic scale vertical motion are well-correlated. Fluctuations of shorter duration present in the rainfall rate as well as in the vertical motion are also well-correlated.

1 Aeronomy Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80303.

2 Control Data Corporation, Minneapolis, MN 55440.

A comparison is presented between vertical motion observed directly by a VHF wind profiler and the rainfall rate measured at two surface stations during an intense Colorado upslope spring storm. Averaged (8–9 hrs) precipitation rate and sub-synoptic scale vertical motion are well-correlated. Fluctuations of shorter duration present in the rainfall rate as well as in the vertical motion are also well-correlated.

1 Aeronomy Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80303.

2 Control Data Corporation, Minneapolis, MN 55440.

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