Abstract: A program is described which has been used to verify the quality of surface mesonet data collected during the Cooperative Convective Precipitation Experiment (CCOPE). The CCOPE mesonet consisted of 123 automated stations ...

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Abstract: This paper explores the low-humidity problem that has plagued the radiosonde hygristor for nearly 30 years and that makes the hygristor appear to become insensitive at relative humidities (RH) below about 20% RH. The problem ...

Abstract: National Weather Service Automated Surface Observing System (ASOS) stations do not currently report drizzle because the precipitation identification sensor, called the light-emitting diode weather identifier (LEDWI), is ...

Abstract: A detailed description is given of the morphology and evolution of a moderate hailstorm in terms primarily of quantitative S-band reflectivity factor measurements. During the early phase of the storm's life its movement ...

Abstract: An analysis of the seeding operations during the National Hail Research Experiment 1972?74 randomized seeding program is carried out for the purpose of critiquing the seeding procedures and establishing the actual rates ...

Abstract: The initiation of thunderstorms is examined through a combined observational and modeling case study. The study is based on Doppler radar, aircraft, mesonet, balloon sounding, and profiler and photographic data from the ...