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INTRODUCTION

INTRODUCTION. The Galveston Study Area: Evacuation Statistics Clearance Times Visual Impact of a Category 4 Storm on the Galveston Study Area. The Design Storm Hurricane Carla September 5-11, 1961. A large, slow-moving storm that made landfall near Port Lavaca

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INTRODUCTION

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  1. INTRODUCTION • The Galveston Study Area: • Evacuation Statistics • Clearance Times • Visual Impact of a Category 4 Storm on the Galveston Study Area

  2. The Design StormHurricane CarlaSeptember 5-11, 1961 A large, slow-moving storm that made landfall near Port Lavaca Sustained winds of 150 mph (Category 4) Peak wind gusts of 175 mph Storm surge of 22 feet (Matagorda Bay) 18.5 feet (Port Lavaca), 14.5 feet (Port O’Connor), 14.8 feet (Houston Ship Channel) Rainfall of 16.49 inches (Galveston), 6.25 inches (Victoria), 5.15 inches (Corpus Christi) 34 Deaths in Texas $400,000,000 of storm damage (1961 dollars)

  3. Hurricane Carly Houston-Galveston Study Area Landfall

  4. Hurricane Carly Category 3 04/19 14:00 CDT . Evacuation Window: -50 hours

  5. Hurricane Carly Category 3 04/20 08:00 CDT . Evacuation Window: -38 hours

  6. Hurricane Carly Category 3 04/20 14:00 CDT . Evacuation Window: -32 hours

  7. Hurricane Carly Category 3 04/20 20:00 CDT . Evacuation Window: -26 hours

  8. Hurricane Carly Category 3 04/21 02:00 CDT . Evacuation Window: -20 hours

  9. Hurricane Carly Category 4 04/21 08:00 CDT . Evacuation Window: -14 hours

  10. Hurricane Carly Category 4 04/21 14:00 CDT . Evacuation Window: -8 hours

  11. Hurricane Carly Category 4 04/21 20:00 CDT . Evacuation Window: -2 hours

  12. Hurricane Carly Category 5 04/22 02:00 CDT .

  13. Hurricane Carly Category 5 04/22 08:00 CDT .

  14. Hurricane Carly Category 5 04/22 14:00 CDT .

  15. Hurricane Carly Category 4 04/22 20:00 CDT .

  16. Hurricane Carly Category 3 04/23 02:00 CDT .

  17. HOUSTON + 23.9 feet + Anahuac + Pasadena La Porte + + 22.4 feet + League City + Alvin + 22.2 feet Texas City + + + 15.8 feet Galveston + Angleton Houston-Galveston Study Area Standard MEOW (Maximum Envelope of Water) 4/22 at 1400 CDT

  18. Dickinson Texas City Galveston Houston-Galveston Study Area Mean Sea Level

  19. Dickinson Texas City Galveston Hurricane Carly 4/22 at 0800 CDT MEOW NW at 8 MPH Surge: 4.5 Feet

  20. Dickinson Texas City Galveston Hurricane Carly 4/22 at 1200 CDT MEOW NW at 8 MPH Surge: 8.5 Feet

  21. Dickinson Texas City Galveston Hurricane Carly 4/22 at 1700 CDT MEOW NW at 8 MPH Surge: 12.8 Feet

  22. Dickinson Texas City Galveston Hurricane Carly 4/22 at 2200 CDT MEOW NW at 8 MPH Surge: 15.8 Feet

  23. Dickinson Texas City Galveston Hurricane Carly Category 5 MEOW NW at 8 MPH Surge: 19.0 Feet

  24. UT Medical Branch Houston-Galveston Study Area Mean Sea Level

  25. UT Medical Branch Hurricane Carly 4/22 at 0800 CDT MEOW NW at 8 MPH Surge: 4.5 Feet

  26. UT Medical Branch Hurricane Carly 4/22 at 1200 CDT MEOW NW at 8 MPH Surge: 8.5 Feet

  27. UT Medical Branch Hurricane Carly 4/22 at 1700 CDT MEOW NW at 8 MPH Surge: 12.8 Feet

  28. UT Medical Branch Hurricane Carly 4/22 at 2200 CDT MEOW NW at 8 MPH Surge: 15.8 Feet

  29. UT Medical Branch Hurricane Carly Category 5 MEOW NW at 8 MPH Surge: 19.0 Feet

  30. Houston-Galveston Study Area Mean Sea Level

  31. Hurricane Carly Category 5 MEOW NW at 8 MPH Surge: 19.0 Feet

  32. Hurricane Carly Category 5 Wind Damage Surge: 19.0 Feet

  33. Baytown HOUSTON La Porte JSC League City Alvin Texas City Houston-Galveston Study Area Mean Sea Level Galveston

  34. Baytown HOUSTON La Porte JSC League City Alvin Texas City Hurricane Carly 4/22 at 0800 CDT MEOW NW at 8 MPH Surge: 4.8 Feet Galveston

  35. Baytown HOUSTON La Porte JSC League City Alvin Texas City Hurricane Carly 4/22 at 1200 CDT MEOW NW at 8 MPH Surge: 10.6 Feet Galveston

  36. Baytown HOUSTON La Porte JSC League City Alvin Texas City Hurricane Carly 4/22 at 1700 CDT MEOW NW at 8 MPH Surge: 17.9 Feet Galveston

  37. Baytown HOUSTON La Porte JSC League City Alvin Texas City Hurricane Carly 4/22 at 2000 CDT MEOW NW at 8 MPH Surge: 22.4 Feet Galveston

  38. HOUSTON Pasadena Deer Park Webster JSC Baytown La Porte Bacliff Houston-Galveston Study Area Mean Sea Level

  39. HOUSTON Pasadena Deer Park Webster JSC Baytown La Porte Bacliff Hurricane Carly 4/22 at 0800 CDT MEOW NW at 8 MPH Surge: 4.8 Feet

  40. HOUSTON Pasadena Deer Park Webster JSC Baytown La Porte Bacliff Hurricane Carly 4/22 at 1200 CDT MEOW NW at 8 MPH Surge: 10.6 Feet

  41. HOUSTON Pasadena Deer Park Webster JSC Baytown La Porte Bacliff Hurricane Carly 4/22 at 1700 CDT MEOW NW at 8 MPH Surge: 17.9 Feet

  42. HOUSTON Pasadena Deer Park Webster JSC Baytown La Porte Bacliff Hurricane Carly 4/22 at 2000 CDT MEOW NW at 8 MPH Surge: 22.4 Feet

  43. <$10 million $10 - 100 million $100 million - 1 billion $1 - 10 billion >$10 billion

  44. Estimated Total Wind Damage from Hurricane Carly Hurricane Carly Houston-Galveston Study Area Landfall Counties Affected: 31 Population Affected: 5,425,334 Households Affected: 1,913,906 Residences Destroyed: 119,626 Debris Generated: 124,023,000 tons Damage Amount: $73,612,335,000

  45. HURRICANE FORECAST *The 2005 hurricane forecast will be updated in mid-April.

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