Global optical lightning flash rates determined with the Forte satellite
Conference
·
OSTI ID:976609
- Tracy E.
- Sean M.
- William L.
- David M.
Using FORTE photodiode detector (PDD) observations of lightning, we have determined the geographic distribution of nighttime flash rate density. We estimate the PDD flash detection efficiency to be 62% for total lightning through comparison to lightning observations by the TRMM satellite's Lightning Imaging Sensor (LIS), using cases in which FORTE and TRMM viewed the same storm. We present here both seasonal and l,ot,al flash rate maps. We examine some characteristics of the optical emissions of lightning in both high and low flash rate environments, and find that while lightning occurs less frequently over ocean, oceanic lightning flashes are somewhat more powerful, on average, than those over land.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 976609
- Report Number(s):
- LA-UR-03-2614; TRN: US201017%%755
- Resource Relation:
- Conference: Submitted to: International Conference on Atmospheric Electricity, Versailes, France
- Country of Publication:
- United States
- Language:
- English
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