The frontal structure and occlusion process in a cyclone of moderate intensity that affected the central United States in January 1995 is examined. The deep warm-frontal zone associated with this cyclone had a lateral extension to the southwest of the sea level pressure minimum that, although characterized by cold-air advection near the surface, had many of the characteristics of a warm front a...

Introduction Conclusions References

The long-term goal of this project is to provide probabilistic genesis forecast guidance to operational forecasters and develop a genesis index to provide guidance for operational dynamical model prediction of tropical cyclone (TC) genesis. Once regions of high TC genesis probability are identified, a movable, multi-nested version of the COAMPS with resolution of roughly 3 km or less in the inn...

Using General Circulation Models (GCMs) for tropical cyclone studies is difficult due to the relatively small size of the storms, the intense convection and multitudes of large-scale small-scale interactions. These are mostly unresolved at typical GCM resolutions of about 50-100 km, and still challenged at high resolutions between 12-30 km. Nevertheless, high-resolution GCMs are becoming a tool...

A listing of current boiler and smut collector installations is given illustrating the reduction from 59 to 19 boilers without smut collectors. Maximum boiler size has increased from 57 to 147 th-l. lrrigated perforated plate type scrubbers have been the most numerous units installed but some dry multi-cyclone collectors have also been used. Smuts dewatering systems are examined, some problem a...

The destruction wrought by North Atlantic hurricanes in 2004 and 2005 dramatically emphasizes the need for better understanding of tropical cyclone activity apart from the records provided by meteorological data and historical documentation. We present a 220-year record of oxygen isotope values of alpha-cellulose in longleaf pine tree rings that preserves anomalously low isotope values in the l...

Extreme weather August 2005 Tulane University, United States Closed for 4 months as a result of Hurricane Katrina April 2011 University of Alabama, United States School called off for the rest of the school year due to tornado March 11, 2011 Northeastern Japan 7,735 school buildings damaged or destroyed February 2011 Queensland, Australia More than 60 schools across north and far north Queensla...

In this paper the numerical simulation of flow field in the new design dynamic cyclone separator is investigated. The effects of different geometrical parameters such as impeller diameter, number of vanes, length and the location of impeller is investigated. The Reynolds averaged Navier–Stokes equations with Reynolds stress turbulence model (RSM) were solved. The Eulerian-Lagrangian computation...