EGH1  Lightning and its Interactions with the Ionosphere I

Wednesday, January 8  08:20-12:20  Math 100

Session Chairs:  Joseph Dwyer, Steven Cummer, Ningyu Liu

08:20  EGH1-1  SPRITE STREAMER LUMINOSITY RESPONSE TO MULTI-STROKE LIGHTNING DYNAMICS

Matthew G. McHarg*1, Hans C. Stenbaek-Nielsen2, Takeshi Kanmae2, Ryan Haaland3, Steve Cummer4, Tom Warner5, Tom Nelson5, Walt Lyons5, Bill Rison6, Paul Krehbiel6

1US Air Force Academy, US AF Academy, CO
2Geophysical Institute, Univ. of Alaska, Fairbanks, AK
3Fort Lewis College, Durango, CO
4Duke University, Durham, NC
5FMA Research, Fort Collins, CO
6NM Tech., Socorro, NM


08:40  EGH1-2  INVESTIGATION OF STREAMER INITIATION IN SPRITE-HALO EVENTS

Jianqi Qin*1, Victor P. Pasko1, Matthew G. McHarg2, Hans C. Stenbaek-Nielsen3

1Electrical Engineering, The Pennsylvania State University, University Park, PA
2Department of Physics, United States Air Force Academy, Colorado Spring, CO
3Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK


09:00  EGH1-3  MODELING SPRITE STREAMER INITIATION FROM AN UNSTABLE SPRITE HALO FRONT

Ningyu Liu*, Joseph Dwyer

Physics and Space Sciences, Florida Institute of Technology, FL


09:20  EGH1-4  MECHANISM OF FAST AIR HEATING AND INFRASOUND GENERATION BY SPRITES

Caitano L. da Silva*, Victor P. Pasko

Communications and Space Sciences Laboratory, Department of Electrical Engineering, Pennsylvania State University, University Park, PA


09:40  EGH1-5  LATITUDINAL DEPENDENCE OF THE QUASI-ELECTROSTATIC FIELDS ABOVE THUNDERSTORMS

Rasoul Kabirzadeh*1, Nikolai Lehtinen1, Fadi Zoghzoghy1, Morris Cohen2, Umran Inan1,3

1Electrical Engineering, Stanford University, Stanford, CA
2Georgia Institute of Technology, Atlanta, GA
3Koc University, Istanbul, TURKEY


10:20  EGH1-6  THE VLF FINGERPRINT OF ELVES: STEP-LIKE AND LONG-RECOVERY EARLY VLF PERTURBATIONS CAUSED BY POWERFUL CG LIGHTNING EM PULSES

Christos Haldoupis*1, Morris B. Cohen2, Enrico Arnone3, Benjamin R. T. Cotts4, Stefano Dietrich5

1Department of Physics, University of Crete, Heraklion, GREECE
2School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA
3Istituto di Scienze dellAtmosfera e del Clima, CNR, Bologna, ITALY
4Electrical Engineering and Computer Science Practice, Exponent Inc., Bowie, MD
5Istituto di Scienze dellAtmosfera e del Clima, CNR, Rome, ITALY


10:40  EGH1-7  CHARACTERIZATION OF ONSET DURATIONS FOR EARLY VLF SCATTERING EVENTS

Daniel A. Kotovsky, Robert C. Moore*

Electrical and Computer Engineering, University of Florida, Gainesville, FL


11:00  EGH1-8  LOCAL AND CONJUGATE IONOSPHERIC DISTURBANCES FROM HIGH PEAK CURRENT OCEANIC LIGHTNING EVENTS

Nicholas C. Gross*1, Mark Golkowski1, Robert C. Moore2, Benjamin R. T. Cotts3

1Electrical Engineering, University of Colorado Denver, Denver, CO
2Electrical and Computer Engineering, University of Florida, Gainesville, FL
3Exponent, Bowie, MD


11:20  EGH1-9  CHARACTERISTICS OF VLF/LF SFERICS FROM ELVE-PRODUCING LIGHTNING

Patrick R. Blaes*, Robert A. Marshall

Stanford University, Stanford, CA


11:40  EGH1-10  MEASUREMENT OF SENSITIVE CURRENT AND CHARGE MOTION USING COHERENT AVERAGING OF REMOTE LOW FREQUENCY MAGNETIC FIELD OBSERVATIONS

Joel L. Weinert*, Steven A. Cummer

Duke University, Durham, NC


12:00  EGH1-11  AN ANALYSIS OF ELF SFERICS PRODUCED BY ROCKET-TRIGGERED LIGHTNING

Neal A. Dupree*, Robert C. Moore

Department of Electrical and Computer Engineering, University of Florida, Gainesville, Florida