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A Technique for Determining Three-Dimensional Storm Cloud-Top Locations Using Stereo Optical Lightning Pulses Observed from Orbit
Publisher: American Meteorological Society
A Photoelectric Technique for Measuring Lightning-Channel Propagation Velocities from a Mobile Laboratory
Publisher: American Meteorological Society
Abstract: We have developed a device to measure lightning-channel propagation velocities. It consists of eight solid state silicon photodetectors mounted behind precision horizontal slits in the focal plane of a 50-mm lens on a 35-mm ...
A Method of Estimating Electric Fields above Electrified Clouds from Passive Microwave Observations
Publisher: American Meteorological Society
Abstract: unique dataset of coincident high-altitude passive microwave and electric field observations taken by the NASA ER-2 aircraft is used to assess the feasibility of estimating electric fields above electrified clouds using ...
Intense Convection Observed by NASA ER-2 in Hurricane Emily (2005)
Publisher: American Meteorological Society
Abstract: On 17 July, intense convection in the eyewall of Hurricane Emily (2005) was observed by the high-altitude (?20 km) NASA ER-2 aircraft. Analysis of this convection is undertaken using downward-looking radar, passive microwave ...
Mitigating VHF Lightning Source Retrieval Errors
Publisher: American Meteorological Society
Abstract: AbstractThe problem of inferring the location and time of occurrence of a very high frequency (VHF) lightning source emission from Lightning Mapping Array (LMA) network time-of-arrival (TOA) measurements is closely examined ...
Retrieving Global Wilson Currents from Electrified Clouds Using Satellite Passive Microwave Observations
Publisher: American Meteorological Society
Abstract: AbstractHigh-altitude atmospheric electricity measurements have been used to calculate the conduction (Wilson) currents that are supplied to the global electric circuit (GEC) by individual electrified clouds. Quantifying ...
Site Errors and Detection Efficiency in a Magnetic Direction-Finder Network for Locating Lightning Strikes to Ground
Publisher: American Meteorological Society
Abstract: We have tested a network of magnetic direction-finders (DFs) that locate ground strikes in Oklahoma and surrounding states in order to determine detection efficiency for the network and systematic errors in azimuth (i.e., ...
On the Magnitude of the Electric Field near Thunderstorm-Associated Clouds
Publisher: American Meteorological Society
Abstract: Electric-field measurements made in and near clouds during two airborne field programs are presented. Aircraft equipped with multiple electric-field mills and cloud physics sensors were flown near active convection and ...
Classification of Tropical Oceanic Precipitation using High-Altitude Aircraft Microwave and Electric Field Measurements
Publisher: American Meteorological Society
Abstract: During the 1998 and 2001 hurricane seasons of the western Atlantic Ocean and Gulf of Mexico, the Advanced Microwave Precipitation Radiometer (AMPR), the ER-2 Doppler (EDOP) radar, and the Lightning Instrument Package (LIP) ...
Understanding the Relationships between Lightning, Cloud Microphysics, and Airborne Radar-Derived Storm Structure during Hurricane Karl (2010)
Publisher: American Meteorological Society
Abstract: his study explores relationships between lightning, cloud microphysics, and tropical cyclone (TC) storm structure in Hurricane Karl (16 September 2010) using data collected by the NASA DC-8 and Global Hawk (GH) aircraft ...