Low-level Convergence and the Prediction of Convective Precipitation in South Florida PDF Download
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Author: Andrew I. Watson
Publisher:
ISBN:
Category : Convection (Meteorology)
Languages : en
Pages : 238
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Book Description
A reliable method is presented for the prediction of convective precipitation in south Florida. Total area diverence is statistically related to area rainfall as derived by radar in a mesoscale region on the order of 1400 sq km. Various network grids and sizes are examined to find the best scale to measure total area divergence. The response of visible clouds to surface convergence is investigated with time-lapse photographs taken in the FACE mesonetwork. One case study of a convective storm complex as measured by Doppler radar and surface pressure data is presented. Finally, vertical adjustment factors are determined for surface winds under varying meteorological conditions and time of day. (Author).
Author: Andrew I. Watson
Publisher:
ISBN:
Category : Convection (Meteorology)
Languages : en
Pages : 238
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Book Description
A reliable method is presented for the prediction of convective precipitation in south Florida. Total area diverence is statistically related to area rainfall as derived by radar in a mesoscale region on the order of 1400 sq km. Various network grids and sizes are examined to find the best scale to measure total area divergence. The response of visible clouds to surface convergence is investigated with time-lapse photographs taken in the FACE mesonetwork. One case study of a convective storm complex as measured by Doppler radar and surface pressure data is presented. Finally, vertical adjustment factors are determined for surface winds under varying meteorological conditions and time of day. (Author).
Author: Bernice Ackerman
Publisher:
ISBN:
Category : Convection (Meteorology)
Languages : en
Pages : 136
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Book Description
Researchers at the University of Virginia, the Office of Weather Research and Modification (OWRM) of NOAA (formerly the cumulus group of Hurricane and Experimental Meteorological Laboratory), and the Illinois State Water Survey, have engaged in a collaborative effort to study the relationship between surface convergence and subsequent precipitation from convective clouds in both subtropical marine and mid-latitude continental climates. The overall goal of the research was to increase the understanding of the dynamics involved in the development of convective clouds and in cloud interactions on the mesoscale. More specifically, the research focused on the role of low level and surface convergence in the evolution of precipitating convective systems and on developing methods by which this increased knowledge could be used for nowcasting convective precipitation. The research studies were based both on existing data sets from Florida and the Midwest and on measurements made in a special field project carried out during the second year of the three year project. (Author).
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 836
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 232
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Author:
Publisher:
ISBN:
Category : Meteorology
Languages : en
Pages : 116
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Author:
Publisher:
ISBN:
Category : Meteorology
Languages : en
Pages : 776
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Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 1298
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Author: John L. Vogel
Publisher:
ISBN:
Category : Cloud physics
Languages : en
Pages : 60
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Book Description
The kinematic parameters of divergence and vorticity in the lowest 450 m of the atmosphere were calculated ofr a 750 km area in east central Illinois form wind measurements obtained using pilot balloons. The area for which the analysis has been made is triangular, west of Champaign/Urbana. These and similar data for the surface have been analyzed for nine days of the summer of 1979. Most of the observations were made during the afternoon and early evening hours during periods when tropical air masses overlay the observational network. The maximum surface temperatures on these days ranged from 26.5 to 35 C, and the surface dew-point temperatures varied from 18 to 24 C, approximately normal for temperature but more humid then normal. (The average dew-point for central Illinois is 18 C during July, 17 C in August.) The precipitable water content from the surface to 400 mb ranged from 3.2 to 5.3 cm, higher (by as much as 77% at the extreme) than the normal precipitable water over central Illinois during July or August (Lott, 1976). (Author).
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 388
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Author:
Publisher:
ISBN:
Category : Numerical weather forecasting
Languages : en
Pages : 654
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