NDLI: Combined vhf dopplar radar and airborne (cv-990) measurements of atmospheric winds on the mesoscale

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Combined vhf dopplar radar and airborne (cv-990) measurements of atmospheric winds on the mesoscale

Content Provider	NASA Technical Reports Server (NTRS)
Author	Fairall, Christopher W. Thomson, Dennis W.
Copyright Year	1989
Description	Hourly measurements of wind speed and direction obtained using two wind profiling Doppler radars during two prolonged jet stream occurrences over western Pennsylvania were analyzed. In particular, the time-variant characteristics of derived shear profiles were examined. To prevent a potential loss of structural detail and retain statistical significance, data from both radars were stratified into categories based on the location data from the Penn State radar were also compared to data from Pittsburgh radiosondes. Profiler data dropouts were studied in an attempt to determine possible reasons for the apparently reduced performance of profiling radars operating beneath a jet stream. Temperature profiles for the radar site were obtained using an interpolated temperature and dewpoint temperature sounding procedure developed at Penn State. The combination of measured wind and interpolated temperature profiles allowed Richardson number profiles to be generated for the profiler sounding volume. Both Richardson number and wind shear statistics were then examined along with pilot reports of turbulence in the vicinity of the profiler.
File Size	5048015
Page Count	148
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19890012078
Archival Resource Key	ark:/13960/t10p5zm8c
Language	English
Publisher Date	1989-04-01
Access Restriction	Open
Subject Keyword	Meteorology And Climatology Wind Direction Airborne Equipment Wind Measurement Very High Frequencies Wind Velocity Temperature Profiles Doppler Radar Jet Streams Meteorology Wind Shear Radar Measurement Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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