Nowcasting the development and evolution of deep convection

James F. W. Purdom

doi:10.1117/12.466512

16 June 2003 Nowcasting the development and evolution of deep convection

James F. W. Purdom

Proceedings Volume 4895, Applications with Weather Satellites; (2003) https://doi.org/10.1117/12.466512
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

This paper addresses using satellite data for nowcasting severe storms in the 0-6 hour time frame. Weather, and weather related phenomena extend across a broad range of scales. In meteorology the link between the synoptic scale and the mesoscale is many times a key factor in controlling the intensity of local weather. The only observing tool capable of monitoring weather across those scales (and those scales interactions) is the geostationary satellite! Just as imagery from polar orbiting satellites helped advance understanding of synoptic scale phenomena, imagery from geostationary satellites is advancing our understanding of the mesoscale. A number of important discoveries using geostationary satellite imagery have had a dramatic impact on mesoscale meteorology and, in turn, our ability to provide short term forecasts and warnings for disaster related weather events, including: areas of incipient squall line development; location of regions with high probability of tornadoes and severe thunderstorms; mesoscale convective complexes; and, areas with heavy convective rainfall. As exciting as current capabilities are, satellite systems that will come into being during the next several years will provide capabilities well beyond the present ones.

Citation Download Citation

James F. W. Purdom "Nowcasting the development and evolution of deep convection", Proc. SPIE 4895, Applications with Weather Satellites, (16 June 2003); https://doi.org/10.1117/12.466512

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KEYWORDS

Satellites

Convection

Satellite imaging

Clouds

Earth observing sensors

Meteorological satellites

Spatial resolution

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