Preparing JSC Today... JSC Protective Services Division CenterOps The Foundation for Mission Success Johnson Space Center Center Operations Directorate Office of Emergency Management Johnson Space Center Center Operations Directorate Office of Emergency Management Preparing JSC Today... JSC Protective Services Division Office of Emergency Management Bill Roeh April 4, 2005

The Galveston Study Area: 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 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)

Houston-Galveston Study Area Hurricane Carla Houston-Galveston Study Area Landfall

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

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

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

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

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

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

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

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

. Hurricane Carla Category 5 04/22 02:00 CDT

. Hurricane Carla Category 5 04/22 08:00 CDT

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

. Hurricane Carla Category 4 04/22 20:00 CDT

. Hurricane Carla Category 3 04/23 02:00 CDT

Houston-Galveston Study Area (Maximum Envelope of Water) + 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

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

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

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

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

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

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

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

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

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

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

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

UT Medical Branch Hurricane Carla Category 5 MEOW NW at 8 MPH Surge: 19.0 Feet

Houston-Galveston Study Area Mean Sea Level

Hurricane Carla Category 5 MEOW NW at 8 MPH Surge: 19.0 Feet

Hurricane Carla Category 5 Wind Damage Surge: 19.0 Feet

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

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

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

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

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

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

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

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

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

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

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

Estimated Total Wind Damage from Hurricane Carla 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

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