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Electric Field Profiles over Hurricanes, Tropical Cyclones, and Thunderstorms with an Instrumented ER-2 AircraftOver the past several years, we have flown a set of calibrated electric field meters (FMs) on the NASA high altitude ER-2 aircraft over oceanic and landbased storms in a number of locations. These included tropical oceanic cyclones and hurricanes in the Caribbean and Atlantic ocean during the Third and Fourth Convection And Moisture EXperiment (CAMEX-3,1998; CAMEX-4, 2001), thunderstorms in Florida during the TExas FLorida UNderflight (TEFLUN, 1998) experiment, tropical thunderstorms in Brazil during the Tropical Rainfall Measuring Mission - Large Scale Biosphere-Atmosphere Experiment in Amazonia (TRMM LBA, 1999), and finally, hurricanes and tropical cyclones in the Caribbean and Western Pacific and thunderstorms in Central America during the Tropical Cloud Systems and Processes (TCSP, 2005) mission. Between these various missions we have well over 50 sorties that provide a unique insights on the different electrical environment, evolution and activity occurring in and around these various types of storms. In general, the electric fields over the tropical oceanic storms and hurricanes were less than a few kilovolts per meter at the ER-2 altitude, while the lightning rates were low. Land-based thunderstorms often produced high lightning activity and correspondingly higher electric fields.
Document ID
20070037460
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Mach, Doug M.
(Alabama Univ. Huntsville, AL, United States)
Blakeslee, Richard J.
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Bateman, Monte G.
(Universities Space Research Association Huntsville, AL, United States)
Bailey, Jeff C.
(Raytheon Information Technology and Scientific Services Huntsville, AL, United States)
Date Acquired
August 24, 2013
Publication Date
August 13, 2007
Subject Category
Meteorology And Climatology
Meeting Information
Meeting: International Conferences on Atmospheric Electricity (ICAE)/International Commission on Atmospheric Electricity
Location: Beijing
Country: China
Start Date: August 13, 2007
End Date: August 17, 2007
Distribution Limits
Public
Copyright
Other

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