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

3. The Design Storm Hurricane Carla September 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 OConnor), 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)

4. Hurricane Carly Houston-Galveston Study Area Landfall

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

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

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

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

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

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

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

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

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

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

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

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

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

18. + + + + 22.4 feet + + 23.9 feet + Galveston HOUSTON Pasadena Texas City League City Anahuac Alvin Angleton + + 22.2 feet + + 15.8 feet + Houston-Galveston Study Area Standard MEOW (Maximum Envelope of Water) 4/22 at 1400 CDT La Porte

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

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

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

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

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

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

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

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

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

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

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

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

31. Houston-Galveston Study Area Mean Sea Level

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

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

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

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

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

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

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

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

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

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

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

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

44. <$10 million $10 - 100 million $100 million - 1 billion $1 - 10 billion >$10 billion

45. 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

46. HURRICANE FORECAST 2004 Forecast 2004 Actual 2005 Forecast* Named Storms13 15 11 Hurricanes7 8 6 Major Hurricanes >Category 2 4 5 3 *The 2005 hurricane forecast will be updated in mid-April.