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RISThe Use of Simultaneous Horizontal and Vertical Transmissions for Dual-Polarization Radar Meteorological Observations
Publisher: American Meteorological Society
Abstract: Observations are presented in which the standard dual-polarization meteorological quantities (ZDR, ?dp, and ?HV) are determined from simultaneous horizontal (H) and vertical (V) transmissions. The return signals are measured ...
Observations of Supercooled Raindrops in New Mexico Summertime Cumuli
Publisher: American Meteorological Society
Abstract: Observations made in 1987 with the NCAR King Air aircraft and in 1993 with the New Mexico Institute of Mining and Technology dual-polarization radar have revealed the presence of supercooled raindrops in some New Mexico ...
Lightning in Wildfire Smoke Plumes Observed in Colorado during Summer 2012
Publisher: American Meteorological Society
Abstract: yrocumulus clouds above three Colorado wildfires (Hewlett Gulch, High Park, and Waldo Canyon; all during the summer of 2012) electrified and produced localized intracloud discharges whenever the smoke plumes grew above 10 ...
The Electrical Structure of Two Supercell Storms during STEPS
Publisher: American Meteorological Society
Abstract: Balloon soundings were made through two supercell storms during the Severe Thunderstorm Electrification and Precipitation Study (STEPS) in summer 2000. Instruments measured the vector electric field, temperature, pressure, ...
Evolving Complex Electrical Structures of the STEPS 25 June 2000 Multicell Storm
Publisher: American Meteorological Society
Abstract: Data from a three-dimensional lightning mapping array (LMA) and from two soundings by balloon-borne electric field meters (EFMs) were used to analyze the electrical structures of a multicell storm observed on 25 June 2000 ...
Lightning-Initiation Locations as a Remote Sensing Tool of Large Thunderstorm Electric Field Vectors
Publisher: American Meteorological Society
Abstract: The lightning data that are recorded with a three-dimensional lightning mapping array (LMA) are compared with data from an electric field change sensor (in this case a flat-plate antenna operated both as a ?slow? and a ...
Electrical and Polarimetric Radar Observations of a Multicell Storm in TELEX
Publisher: American Meteorological Society
Abstract: On 28?29 June 2004 a multicellular thunderstorm west of Oklahoma City, Oklahoma, was probed as part of the Thunderstorm Electrification and Lightning Experiment field program. This study makes use of radar observations ...
The Timing of Cloud-to-Ground Lightning Relative to Total Lightning Activity
Publisher: American Meteorological Society
Abstract: he first flash produced by a storm usually does not strike ground, but little has been published concerning the time after the first flash before a cloud-to-ground flash occurs, particularly for a variety of climatological ...
The Severe Thunderstorm Electrification and Precipitation Study
Publisher: American Meteorological Society
Abstract: During May?July 2000, the Severe Thunderstorm Electrification and Precipitation Study (STEPS) occurred in the High Plains, near the Colorado?Kansas border. STEPS aimed to achieve a better understanding of the interactions ...