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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

Test of CCHE2D-Coast A Hypothetical Hurricane in the Mississippi/Louisiana Gulf Coast Yan Ding NCCHE, University of Mississippi, 6/4/2011

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  • Slide 1
  • Test of CCHE2D-Coast A Hypothetical Hurricane in the Mississippi/Louisiana Gulf Coast Yan Ding NCCHE, University of Mississippi, 6/4/2011
  • Slide 2
  • Computational Conditions for Modeling Storm-Surge Tide Hypothetical Hurricane: Central Pressure = 970 mbar, Max. Radius = 50km, Moving speed = 25km/h, Direction = from SE to NW Tide: M2, Tidal Amplitude = 0.2m Tide Hurricane
  • Slide 3
  • Surface Wind by Hollands Hurricane Model
  • Slide 4
  • Air Pressure at t = 36h
  • Slide 5
  • Storm Surge Height and Wind t = 36ht = 38h
  • Slide 6
  • Storm Surge Height and Current t = 36ht = 38h
  • Slide 7
  • A Hurricane Model (Holland 1980) r Hurricane Pressure Field Surface Wind Velocity Resultant Wind Speed Wind Stress Pc=central pressure; P=ambient pressure; a =air density R=Radius of maximum wind; C d = drag coefficient VHVH VWVW