Real Time Computer Techniques In The Detection And Analysis Of Severe Storms From Digital Radar Data
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Author | : Thomas Edmund Sieland |
Publisher | : |
Total Pages | : 155 |
Release | : 1977 |
Genre | : Radar meteorology |
ISBN | : |
Download Real-Time Computer Techniques in the Detection and Analysis of Severe Storms from Digital Radar Data Book in PDF, Epub and Kindle
An improved computer method was developed by which multi-tilt digital radar data can be interpolated in three dimensions and reduced to a two-dimensional display of partially vertically-summed reflectivity (Z) maps (PVSZ) in near real time. The computer method was developed by using digital radar data collected with the 10-cm radar at the National Severe Storms Laboratory in Norman, Oklahoma. Various combinations of interpolation schemes were used to develop the new computer method, and the resultant products were compared to determine whether or not significant features of a severe storm evident in constant altitude reflectivity (Z) maps (CAZM) are retained by the new reduction technique. In addition, the number of PVSZ layers were varied to determine the minimum needed for adequate depiction of the tilt of the storm core. Finally, severe storm data from New England were processed by using the new data-reduction technique to find out whether or not any of the severe-storm signatures observed in analyses of Oklahoma storms were evident in the New England digital radar data.
Author | : |
Publisher | : |
Total Pages | : 994 |
Release | : |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, Epub and Kindle
Author | : United States. Air Force. Directorate of Chemical and Atmospheric Sciences |
Publisher | : |
Total Pages | : 236 |
Release | : 1981 |
Genre | : Atmospheric chemistry |
ISBN | : |
Download AFOSR Chemical & Atmospheric Sciences Program Review Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1142 |
Release | : 1988 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, Epub and Kindle
Author | : Douglas Richard Greene |
Publisher | : |
Total Pages | : 250 |
Release | : 1971 |
Genre | : |
ISBN | : |
Download Numerical Techniques for the Analysis of Digital Radar Data with Applications to Meteorology and Hydrology Book in PDF, Epub and Kindle
Author | : David Harvey Kitzmiller |
Publisher | : |
Total Pages | : 42 |
Release | : 1995 |
Genre | : Severe storms |
ISBN | : |
Download Detection of Severe Local Storm Phenomena by Automated Interpretation of Radar and Storm Environment Book in PDF, Epub and Kindle
Many operational features of the WSR-88D were incorporated specifically to aid forecasters in the detection of severe local storms (damaging winds, large hail, and tornadoes). One interpretive product, the Severe Weather Potential (SWP) algorithm, yields an index proportional to the probability that an individual thunderstorm cell will soon produce any severe weather phenomena. The SWP is based solely on radar information, namely vertically-integrated liquid VIL and storm horizontal extent.
Author | : United States. Environmental Science Services Administration |
Publisher | : |
Total Pages | : 144 |
Release | : 1970 |
Genre | : Climatology |
ISBN | : |
Download ESSA Science and Engineering Book in PDF, Epub and Kindle
Author | : Douglas Richard Greene |
Publisher | : |
Total Pages | : 250 |
Release | : 1971 |
Genre | : |
ISBN | : |
Download Numerical Techniques for the Analysis of Digital Radar Data with Applications to Meteorology and Hydrology Book in PDF, Epub and Kindle
Investigation has been conducted on the feasibility of utilizing digital radar data for "real-time" meteorological and hydrologic applications. Numerical techniques have been developed that enhance the usefulness of weather radar data in these applications. Falling within the scope of this study was an investigation of various coordinate systems, interpolation procedures, and grid intervals. It is demonstrated that a quadratic interpolation procedure and a 2 nm x 2 nm rectangular coordinate system preserve the characteristics of storms required for severe weather forecasting and hydrologic applications. Through the use of digital radar data measured at successive elevation angles in a storm system, an analysis technique is developed that presents a new dimension in mesoscale analysis and gives' means of detecting areas of "explosive development" in severe storms. This indicator presents the three-dimensional characteristics of a storm system in a two-dimension display of vertically-integrated liquid-water content (VIL). Constant altitude reflectivity maps (CAZM), CAPPI type displays, which are useful in mesoanalysis and/or the study of thunderstorm dynamics, also may be generated from digital radar data. Although a CAZM illustrates the echo or storm intensity at various constant levels, to identify precisely the most intense echoes it is necessary to look at the CAZM for each level and integrate mentally the intensities through the depth of the storm. This procedure fails to reveal clearly the "explosive development" in storms, a shortcoming that is not suffered by VIL. ...
Author | : United States. Environmental Science Services Administration |
Publisher | : |
Total Pages | : 148 |
Release | : 1970 |
Genre | : Human beings |
ISBN | : |
Download ESSA Science and Engineering, July 1, 1967 to June 30, 1969 Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 732 |
Release | : 1986 |
Genre | : Water |
ISBN | : |
Download Selected Water Resources Abstracts Book in PDF, Epub and Kindle