TEXAS TORRENTS: A BRIEF SYNOPSIS OF 16 HISTORICAL HEAVY RAINFALL EVENTS IN TEXAS

1
TEXAS TORRENTSA BRIEF SYNOPSIS OF 16 HISTORICAL
HEAVY RAINFALL EVENTS IN TEXAS

• Jerry M. Nunn
• West Gulf River Forecast Center
• Ft. Worth, Texas

2
TEXAS TORRENTSLOCATIONS OF THE 16 EVENTS
3
TEXAS TORRENTS

• Historical Heavy Rainfall Events in Texas 48
  hrs or less

• Alvin - 43.00 inches
• 07/24-25-1979 (T.S. Claudette)
• 24-hour U.S. Record
• 2. Medina and Kerr Counties - 42.00 inches
• 08/01-02/1978 (T.S. Amelia)
• 3-day total of near 50 inches
• 3. Thrall - 38.20 inches
• 09/09-10/1921 (Unnamed hurricane)
• 36.40 inches in 18 hours - A WORLD RECORD)

4
TEXAS TORRENTS (CONT.)

• Historical Heavy Rainfall Events in Texas 48
  hrs or less

• 4. Ingram - 36.00 inches
• 07/01-02/1932
• Pandale - 35.00 inches
• 06/27-28/1954 (Fell in 20-24 hour period)
• From remnants of Hurricane Alice (moved northward
  from Brownsville area)
• Record Flood 1.1 MILLION CFS Rio Grande near
  Del Rio
• 27ft rise Falcon Reservoir (06/16-30)

5
TEXAS TORRENTS (CONT.)

• Historical Heavy Rainfall Events in Texas 48
  hrs or less

• 6. Nueces River - 34.00 inches
• 09/20/1967 (Hurricane Beulah)
• 25.50 inches at Falls City (Cibolo Ck / S.A.
  River)
• Shackleford County - 33.00 inches
• 08/03/1978 (T.S. Amelia)
• Occurred at Newell Oil Field
• 29 inches fell at Albany in 12-15 hours
• 8. San Marcos - 30.00 inches
• 10/17-18/1998
• Caused record flooding on Guadalupe River

6
TEXAS TORRENTS (CONT.)

• Historical Heavy Rainfall Events in Texas 48
  hrs or less

• Houston (Sheldon Res.) 28.80 inches
• 06/09/2001 (T.S. Allison)
• Fell in 10.5 hours
• 36.99 inches Houston Port in 5 days 06/05-09
• 10. Odem - 25.00 inches
• 10/19/1984
• Fell in 3 2 hours
• 11. Liberty - 24.00 inches
• 10/17-18/1994

7
TEXAS TORRENTS (CONT.)

• Historical Heavy Rainfall Events in Texas 48
  hrs or less

• DHanis 17NW - 22.00 inches
• 05/31/1935
• WORLD RECORD for 2 hours, 45 minutes
• 13. Waring (Kendall Co.) 21.10 inches
• 06/30-07/02/2002
• Independence Day Flood
• 43 inches 06/30-07/06/2002
• Disastrous flooding Guadalupe, San Antonio,
  Medina, and Nueces Rivers
• Seven fatalities

8
TEXAS TORRENTS (CONT.)

• Historical Heavy Rainfall Events in Texas 48
  hrs or less

• Bandera 19.47 inches
• 06/21-22/1997
• Votaw (nr Beaumont) - 19.00 inches
• 09/11/1961 (Hurricane Carla)
• 16. New Braunfels - 10.00 inches
• 05/11/1972 - fell in 1 hour - Hourly Texas
  rainfall record