Abstract: The unusual concurrent development of two strong tropical cyclones in the southeast Pacific during February 1989 is seen from GOES 7 satellite imagery. A review of past tropical cyclone activity in the region is presented ...

Abstract: Generation of available potential energy (APE) is computed for the warm sector of an extratropical cyclone containing intense convection. Three hourly mesoscale rawinsonde data from the 10?11 April day of AVESESAME 1979 ...

Abstract: A detailed evaluation of NOAA?s Smoke Forecasting System (SFS) is a fundamental part of its development and further refinement. In this work, particulate matter with a diameter less than or equal to 2.5-?m (PM2.5) concentration ...

Abstract: he National Air Quality Forecasting Capability (NAQFC) upgraded its modeling system that provides developmental numerical predictions of particulate matter smaller than 2.5 ?m in diameter (PM2.5) in January 2015. The ...

Abstract: An overview of the National Oceanic and Atmospheric Administration?s (NOAA) current operational Smoke Forecasting System (SFS) is presented. This system is intended as guidance to air quality forecasters and the public for ...