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Significant Houston Area Floods 1970 - 1979


YearDate Description
1970OCT9.09" of rain fell in 24 hours causing flooding.
1972MAR 20-217.47" rain IAH, 7.01" in 3 hours; Independent Heights 7.65" Halls Bayou 9.5" Thunderstorms ahead of a cold front.(1)
1973JUN 12-13 Harris County had 10-15" of rain; 10 drowned in Alvin, 16.01"; Coldspring 16.71". Sims and Greens Bayous wer out of their banks. (1)
1975JUN 9-10Extensive flooding in Harris County. Deer Park 15.65"; Hobby 7.15"; Westbury 10.34". Thunderstorms over southern Harris County. 550 homes - 50 apartments and 4 businesses were flooded. There was 9 inches of rain in 7 hours. (1)
1976JUN 15Texas Medical Center Flood 10.47"; 8 drowned; Westbury 10.12". Hunting Bayou at Loop 610. 10.2" of rain in 6 hours. 13" of rain impacted the Brays Bayou. (1)(3)
1978NOVStrong thunderstorm caused flooding along the Brays Bayou. (1)(3)
1979APR 1816" of rain over Harris County. Flooding wide spread over many Harris County Bayous and streams. Conroe 12-14" of rain, 3 deaths. (1)(3)
1979JUL 24-25Tropical Storm Claudette - 43" of rain in Alvin in 24 hours. (1)
1979SEP 1Tropical Storm Elena, flooding downtown, 1 death
1979SEP 1913" of rain Brazioria County, 4 deaths. Three days of rain totals of 8 to 27".(3)

REFERENCES
(1) http://www.hcfcd.org/hcfloodhistory.html
(2) Johnston, Marguerite, 1991: Houston The Unknown City, 1836, Texas A&M University Press
(3) http://floodsafety.com/texas/USGdemo/
(4) "US Corps of Engineers, 1935 Flood
(5) http://nwis.waterdata.usgs.gov/nwis
(6) Texas Water Commission Bulletin 6311, December 1963, Floods in Texas - Magnitude and frequency of Peak Flows
(7) http://www.houstonhistory.com
(8) Houston Chronicle
(9) http://www.ncdc.noaa.gov
(10)Department of Interior, Major Floods of 1936
(11)US Geological Survey, Water Resources Investigations 3-73, "Effects of Urbanization on Floods in the Houston, Texas, Metropolitan Area
(12) http://www.buffalobayou.org/history.html
(13) http://www.hcoem.org

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