46
• The Galveston Study Area:– Evacuation Statistics– Clearance Times
• Visual Impact of a Category 4 Storm on the Galveston Study Area
INTRODUCTION
The Design StormHurricane Carla
September 5-11, 1961A 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)
Hurricane CarlyHouston-Galveston Study Area
Landfall
Evacuation Window: -50 hours
.
Hurricane Carly Category 3 04/19 14:00 CDT
Evacuation Window: -38 hours
.
Hurricane Carly Category 3 04/20 08:00 CDT
Evacuation Window: -32 hours
.
Hurricane Carly Category 3 04/20 14:00 CDT
Evacuation Window: -26 hours
.
Hurricane Carly Category 3 04/20 20:00 CDT
Evacuation Window: -20 hours
.
Hurricane Carly Category 3 04/21 02:00 CDT
Evacuation Window: -14 hours
.
Hurricane Carly Category 4 04/21 08:00 CDT
Evacuation Window: -8 hours
.
Hurricane Carly Category 4 04/21 14:00 CDT
Evacuation Window: -2 hours
.
Hurricane Carly Category 4 04/21 20:00 CDT
.
Hurricane Carly Category 5 04/22 02:00 CDT
.
Hurricane Carly Category 5 04/22 08:00 CDT
.
Hurricane Carly Category 5 04/22 14:00 CDT
.
Hurricane Carly Category 4 04/22 20:00 CDT
.
Hurricane Carly Category 3 04/23 02:00 CDT
+
+
+
+ 22.4 feet
++ 23.9 feet
+
Galveston
HOUSTON
Pasadena
Texas City
LeagueCity
Anahuac
Alvin
Angleton
++ 22.2 feet
+ + 15.8 feet
+
Houston-Galveston Study AreaStandard MEOW
(Maximum Envelope of Water)4/22 at 1400 CDT
La Porte
Houston-Galveston Study Area
Mean Sea Level
Dickinson
Texas City
Galveston
Hurricane Carly4/22 at 0800 CDT
MEOW NW at 8 MPHSurge: 4.5 Feet
Dickinson
Texas City
Galveston
Hurricane Carly4/22 at 1200 CDT
MEOW NW at 8 MPHSurge: 8.5 Feet
Dickinson
Texas City
Galveston
Hurricane Carly4/22 at 1700 CDT
MEOW NW at 8 MPHSurge: 12.8 Feet
Dickinson
Texas City
Galveston
Hurricane Carly4/22 at 2200 CDT
MEOW NW at 8 MPHSurge: 15.8 Feet
Dickinson
Texas City
Galveston
Hurricane CarlyCategory 5
MEOW NW at 8 MPHSurge: 19.0 Feet
Dickinson
Texas City
Galveston
Houston-Galveston Study Area
Mean Sea Level
UT MedicalBranch
UT MedicalBranch
Hurricane Carly4/22 at 0800 CDT
MEOW NW at 8 MPHSurge: 4.5 Feet
UT MedicalBranch
Hurricane Carly4/22 at 1200 CDT
MEOW NW at 8 MPHSurge: 8.5 Feet
UT MedicalBranch
Hurricane Carly4/22 at 1700 CDT
MEOW NW at 8 MPHSurge: 12.8 Feet
UT MedicalBranch
Hurricane Carly4/22 at 2200 CDT
MEOW NW at 8 MPHSurge: 15.8 Feet
UT MedicalBranch
Hurricane CarlyCategory 5
MEOW NW at 8 MPHSurge: 19.0 Feet
Houston-Galveston Study Area
Mean Sea Level
Hurricane CarlyCategory 5
MEOW NW at 8 MPHSurge: 19.0 Feet
Hurricane CarlyCategory 5
Wind DamageSurge: 19.0 Feet
Houston-Galveston Study Area
Mean Sea Level
HOUSTON
TexasCity
Galveston
La Porte
LeagueCity
Alvin
Baytown
JSC
HOUSTON
TexasCity
Galveston
La Porte
LeagueCity
Alvin
Hurricane Carly4/22 at 0800 CDT
MEOW NW at 8 MPHSurge: 4.8 Feet
Baytown
JSC
HOUSTON
TexasCity
Galveston
La Porte
LeagueCity
Alvin
Hurricane Carly4/22 at 1200 CDT
MEOW NW at 8 MPHSurge: 10.6 Feet
Baytown
JSC
HOUSTON
TexasCity
Galveston
La Porte
LeagueCity
Alvin
Hurricane Carly4/22 at 1700 CDT
MEOW NW at 8 MPHSurge: 17.9 Feet
Baytown
JSC
HOUSTON
TexasCity
Galveston
La Porte
LeagueCity
Alvin
Hurricane Carly4/22 at 2000 CDT
MEOW NW at 8 MPHSurge: 22.4 Feet
Baytown
JSC
Houston-Galveston Study Area
Mean Sea Level
HOUSTON
La Porte
Pasadena
Baytown
Webster
Bacliff
Deer Park
JSC
Hurricane Carly4/22 at 0800 CDT
MEOW NW at 8 MPHSurge: 4.8 Feet
HOUSTON
La Porte
Pasadena
Baytown
Webster
Bacliff
Deer Park
JSC
Hurricane Carly4/22 at 1200 CDT
MEOW NW at 8 MPHSurge: 10.6 Feet
HOUSTON
La Porte
Pasadena
Baytown
Webster
Bacliff
Deer Park
JSC
Hurricane Carly4/22 at 1700 CDT
MEOW NW at 8 MPHSurge: 17.9 Feet
HOUSTON
La Porte
Pasadena
Baytown
Webster
Bacliff
Deer Park
JSC
Hurricane Carly4/22 at 2000 CDT
MEOW NW at 8 MPHSurge: 22.4 Feet
HOUSTON
La Porte
Pasadena
Baytown
Webster
Bacliff
Deer Park
JSC
<$10 million$10 - 100 million$100 million - 1 billion$1 - 10 billion>$10 billion
Estimated Total Wind Damage from Hurricane Carly
Hurricane CarlyHouston-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
HURRICANE FORECAST
2004 Forecast
2004 Actual
2005 Forecast*
Named Storms 13 15 11
Hurricanes 7 8 6
Major Hurricanes >Category 2
4 5 3
*The 2005 hurricane forecast will be updated in mid-April.
