test of cche2d-coast a hypothetical hurricane in the mississippi/louisiana gulf coast
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Test of CCHE2D-Coast A Hypothetical Hurricane in the Mississippi/Louisiana Gulf Coast. Yan Ding NCCHE, University of Mississippi, 6/4/2011. Computational Conditions for Modeling Storm-Surge Tide. Hypothetical Hurricane: Central Pressure = 970 mbar, Max. Radius = 50km, - PowerPoint PPT PresentationTRANSCRIPT
Test of CCHE2D-Coast A Hypothetical Hurricane in the Mississippi/Louisiana Gulf Coast
Test of CCHE2D-CoastA Hypothetical Hurricane in the Mississippi/Louisiana Gulf CoastYan DingNCCHE, University of Mississippi, 6/4/2011Computational Conditions for Modeling Storm-Surge Tide
Hypothetical Hurricane: Central Pressure = 970 mbar, Max. Radius = 50km, Moving speed = 25km/h, Direction = from SE to NWTide: M2, Tidal Amplitude = 0.2m TideHurricaneSurface Wind by Hollands Hurricane Model
Air Pressure at t = 36h
Storm Surge Height and Wind
t = 36ht = 38hStorm Surge Height and Current
t = 36ht = 38hA Hurricane Model (Holland 1980)
r
Hurricane Pressure FieldSurface Wind VelocityResultant Wind SpeedWind StressPc=central pressure; P=ambient pressure; a =air densityR=Radius of maximum wind; Cd = drag coefficientVHVW