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Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs
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Lightning Sensors for Observing, Tracking and Nowcasting Severe Weather
1Department of Geophysics and Planetary Sciences, Tel Aviv University, 69978 Israel. cprice@flash.tau.ac.il.
Sensors (Basel, Switzerland)
|November 24, 2016
Summary
Lightning monitoring provides global insights into severe weather hazards. Analyzing lightning characteristics helps track storm severity and enables short-term weather forecasting, known as nowcasting.
Area of Science:
- Atmospheric Science
- Geophysics
- Meteorology
Background:
- Severe weather events globally cause significant natural disasters.
- Traditional weather monitoring is limited to close-range observations for phenomena like precipitation and wind.
- Lightning, however, can be monitored across local, regional, and global scales.
Approach:
- Utilizes ground-based sensor networks detecting radio waves emitted by lightning discharges.
- Monitors lightning activity continuously to observe and track distant thunderstorms.
- Analyzes lightning characteristics, including discharge counts, intra-cloud vs. cloud-to-ground ratios, polarity, and peak currents.
Key Points:
- Lightning monitoring offers a unique, scalable method for observing severe storms.
- Changes in lightning characteristics correlate with storm severity.
- Lightning data aids in understanding and predicting hazardous weather phenomena.
Conclusions:
- Lightning observation systems provide valuable data for global storm hazard monitoring.
- This technology enables continuous tracking of thunderstorms and their intensity.
- Lightning data analysis facilitates short-term weather forecasting (nowcasting).
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