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Update on Hurricane Modeling Scenarios in the Houston Region Using ADCIRC Clint Dawson and Jennifer Proft Casey Dietrich, Nishant Panda, Adnan Muhammad.

Published byNatalie Karin Harris Modified over 9 years ago

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Presentation on theme: "Update on Hurricane Modeling Scenarios in the Houston Region Using ADCIRC Clint Dawson and Jennifer Proft Casey Dietrich, Nishant Panda, Adnan Muhammad."— Presentation transcript:

1 Update on Hurricane Modeling Scenarios in the Houston Region Using ADCIRC Clint Dawson and Jennifer Proft Casey Dietrich, Nishant Panda, Adnan Muhammad Antonia Sebastian, Phil Bedient SSPEED meeting Feb 14 2013

2 Original landfall Ike Shifted Ike MightyIke (+15% windspeed ) SuperIke (+30% windspeed) SH146 Levees and Hartman Bridge Gate Hurricane Ike Scenarios

3 Continuous Galerkin model OWI winds for Ike Coupled to SWAN 10 day simulation No tidal forcing, no riverine forcing Runs in about 5 hours on Lonestar with 2048 cores ADCIRC Simulations

4 Bathymetry and Topography of Grid

5

6

7 Ike, Shifted Ike, MightyIke, SuperIke ADCIRC Scenarios Selected hurricane path and shifted landfall to 8 locations along coastline Modified OWI wind files to shift path of hurricane MightyIke: increase windspeed by %15 (high Category 3 at landfall) SuperIke: increase windspeed by %30 (Category 4 at landfall)

8 *Point 7 NEW LANDFALL (NL) (OL)

9 Shifted Ike: Original Landfall and New Landfall

10

11 Hurricane Ike: Original Landfall (max water surface elevation)

12 Hurricane Ike: New Landfall (max water surface elevation)

13 MightyIke (+15%): Original Landfall (max water surface elevation)

14 MightyIke (+15%): New Landfall (max water surface elevation)

15 SuperIke (+30%): Original Landfall (max water surface elevation)

16 SuperIke (+30%): New Landfall (max water surface elevation)

17 Hydrographs of Hurricane Ike scenarios showing characteristics at various points of concern

18 Some Additional Scenarios Tested Implementation of Oyster Reef Ike Dike Hartman Bridge Gate (Levee) Combined SH146 Levee and Hartman Bridge Levees

19 SH146 and Hartman Bridge Levees ADCIRC Simulations Modification of grid to incorporate a Weir Levee along this route at a 22’ height Hurricane Ike scenario MightyIke Shifted to New Landfall

20

21 Location of the SH146 Gate/Hartman Levees

22 Hurricane Ike: Original Landfall, with Levees

23 Ike trackStorm 089 Storm 136 Hurricane Ike: Original Landfall

24 Hurricane Ike: New Landfall, with Levees

25 Hurricane Ike: New Landfall

26 MightyIke (+15%): Original Landfall, with Levees

27 MightyIke (+15%): Original Landfall

28 MightyIke (+15%): New Landfall, with Levees

29 MightyIke (+15%): New Landfall

30 Run SH146/Hartman Levee grid with SuperIke Run SH146/Hartman Levee grid on synthetic storm tracks Run additional levee scenarios provided by SSPEED Current and future steps

31 Ike trackStorm 089 Storm 136Storm 076

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