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Proceedings Paper

Convection diagnosis and nowcasting for oceanic aviation applications
Author(s): Cathy Kessinger; Michael Donovan; Richard Bankert; Earle Williams; Jeffrey Hawkins; Huaqing Cai; Nancy Rehak; Daniel Megenhardt; Matthias Steiner
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Paper Abstract

An oceanic convection diagnosis and nowcasting system is described whose domain of interest is the region between the southern continental United States and the northern extent of South America. In this system, geostationary satellite imagery are used to define the locations of deep convective clouds through the weighted combination of three independent algorithms. The resultant output, called the Convective Diagnosis Oceanic (CDO) product, is independently validated against space-borne radar and lighting products from the Tropical Rainfall Measuring Mission (TRMM) satellite to ascertain the ability of the CDO to discriminate hazardous convection. The CDO performed well in this preliminary investigation with some limitations noted. Short-term, 1-hr and 2-hr nowcasts of convection location are performed within the Convective Nowcasting Oceanic (CNO) system using a storm tracker. The CNO was found to have good statistical performance at extrapolating existing storm positions. Current work includes the development and implementation of additional atmospheric features for nowcasting convection initiation and to improve nowcasting of mature convection evolution.

Paper Details

Date Published: 25 August 2008
PDF: 12 pages
Proc. SPIE 7088, Remote Sensing Applications for Aviation Weather Hazard Detection and Decision Support, 708808 (25 August 2008); doi: 10.1117/12.795495
Show Author Affiliations
Cathy Kessinger, National Ctr. for Atmospheric Research (United States)
Michael Donovan, Massachusetts Institute of Technology Lincoln Lab. (United States)
Richard Bankert, Naval Research Lab. (United States)
Earle Williams, Massachusetts Institute of Technology Lincoln Lab. (United States)
Jeffrey Hawkins, Naval Research Lab. (United States)
Huaqing Cai, National Ctr. for Atmospheric Research (United States)
Nancy Rehak, National Ctr. for Atmospheric Research (United States)
Daniel Megenhardt, National Ctr. for Atmospheric Research (United States)
Matthias Steiner, National Ctr. for Atmospheric Research (United States)


Published in SPIE Proceedings Vol. 7088:
Remote Sensing Applications for Aviation Weather Hazard Detection and Decision Support
Wayne F. Feltz; John J. Murray, Editor(s)

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