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RISSummertime Cloud-to-Ground Lightning Activity around Major Midwestern Urban Areas
Publisher: American Meteorological Society
Abstract: Cloud-to-ground lightning flash data collected by the National Lightning Detection Network were analysed in and around 16 central U.S. cities for the period 1989?92. Lightning data are well suited to study storm activity ...
Some Aspects of Dense Fog in the Midwestern United States
Publisher: American Meteorological Society
Abstract: To better understand dense fog events in the midwestern United States, a fog climatology was developed that examines the surface weather conditions at dense fog onset and during dense fog events, in relationship to fog ...
Merging of Convective Clouds: Cloud Initiation, Bridging, and Subsequent Growth
Publisher: American Meteorological Society
Abstract: This study examines the growth of radar echoes from the time of their initiation to several minutes after they have merged to ascertain what factors are important in determining the frequency of merging events, the manner ...
The Prolonged 1954 Midwestern U.S. Heat Wave: Impacts and Responses
Publisher: American Meteorological Society
Abstract: he highest recorded temperature in Illinois, 117°F (47.2°C) occurred on 14 July 1954 in East St. Louis. This occurred in the midst of a widespread, long-lasting heat wave covering significant parts of 11 states: from eastern ...
Cell Development and Merger in an Illinois Thunderstorm Observed by Doppler Radar
Publisher: American Meteorological Society
Abstract: A reflectivity and triple-Doppler radar study of the development of several cells and their successive union within a nonsevere thunderstorm is presented. Two characteristic separations were found between the newly formed ...
A Climatology and Case Study of Continental Cold Season Dense Fog Associated with Low Clouds
Publisher: American Meteorological Society
Abstract: This study focuses on dense fog cases that develop in association with low clouds and sometimes precipitation. A climatology of weather conditions associated with dense fog at Peoria, Illinois, for October?March 1970?94 ...
Use of Real-Time Multisensor Data to Assess the Relationship of Normalized Corn Yield with Monthly Rainfall and Heat Stress across the Central United States
Publisher: American Meteorological Society
Abstract: This study evaluated the suitability of rain estimates based on the National Weather Service (NWS) Weather Surveillance Radar-1988 Doppler (WSR-88D) network to estimate yield response to rainfall on a county scale and to ...
Single-Doppler Radar Observations of a Mini-Supercell Tornadic Thunderstorm
Publisher: American Meteorological Society
Abstract: During the early evening hours of 19 May 1989, the CHILL 10-cm Doppler weather radar observed most of the lifetime of an unusually small tornadic thunderstorm. Throughout the event, the parent thunderstorm echo top remained ...
Illinois Precipitation Research: A Focus on Cloud and Precipitation Modification
Publisher: American Meteorological Society
Abstract: At the heart of the 40-year atmospheric research endeavors of the Illinois State Water Survey have been studies to understand precipitation processes in order to learn how precipitation is modified purposefully and ...
Responses of Warm-Based, Midwestern Cumulus Congestus to Dynamic Seeding Trials
Publisher: American Meteorological Society
Abstract: Findings are reported from an analysis of AgI seeding effects on individual cumulus congestus clouds in the 1989 Illinois Exploratory Cloud Seeding Experiment. The experiment was designed around a dynamic seeding hypothesis. ...