Comparison of First Radar Echoes in Seeded and Unseeded Convective Clouds in North Dakota

A. Koscielski Institute of Atmospheric Sciences, South Dakota School of Mines and Technology, Rapid City 57701

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A. S. Dennis Institute of Atmospheric Sciences, South Dakota School of Mines and Technology, Rapid City 57701

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Abstract

First radar echoes on a randomized cloud seeding project in North Dakota appeared closer to cloud base and at higher temperatures on seed days than on no-seed days. The average first echo temperature was near −11°C on no-seed days and −7°C on seed days.

Abstract

First radar echoes on a randomized cloud seeding project in North Dakota appeared closer to cloud base and at higher temperatures on seed days than on no-seed days. The average first echo temperature was near −11°C on no-seed days and −7°C on seed days.

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