17.5
Simulation of Landfalling Hurricane Isidore over the Gulf of Mexico Region using Weather Research and Forecasting Model (Formerly paper number P2.5)
R. Suseela Reddy, Jackson State University, Jackson, MS; and A. Schwartz and M. Vatti
The Gulf costal states region is prone to the highest national frequency to severe weather accompanied by huge economic loss. The region lacks adequate study with regard to significant coastal processes - “weather dynamics”. Understanding modeling and predicting the coastal processes and dynamics is important in improving weather forecasting. In this present study we develop a WRF model using MM5 output as initial and lateral boundary conditions to simulate the surface features of landfalling hurricane Isidore 2002. Hurricane Isidore was a slow paced tropical cyclone. It had a life span of 12 days with a minimum pressure of 934mb and maximum winds of 125mph. It was category 1 hurricane while making landfall over Cuba and category 3 over northern Yucatan Peninsula. Isidore brought on about 13 inches of rain in Louisiana and Mississippi during landfall as a strong tropical storm. Previous modeling efforts using Penn State/NCAR MM5 by Reddy et. al. (2003) has shown the surface features of landfalling Isidore. The results presented compare present study with the preceding. .
Session 17, WRF Model Development & Applications: Part III (ROOM 605/606)
Wednesday, 14 January 2004, 4:00 PM-5:30 PM, Room 605/606
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