10-Years and $500 Million towards Managing the Floodplain in Flash Flood Alley
1-TFMA_Program-Presentation
1-TFMA_Program-Presentation
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Performance on May 25, 2013:<br />
Up to a 250-Year (0.4%) Storm<br />
250-year (0.4%) storm <strong>in</strong> North, Central Bexar County<br />
(Interpolation of storm event based on SARA Regional Hydrology <strong>and</strong> Hydraulic St<strong>and</strong>ards)<br />
• Over 12.2” <strong>in</strong> 24-hrs (red)<br />
• SAT Airport Ra<strong>in</strong> Gauge<br />
5/24: 2.33”<br />
5/25: 9.87”<br />
25 to <strong>10</strong>0-year storm (4% to 1%<br />
event) <strong>in</strong> North, Central, West<br />
Bexar County<br />
• 6” to 9” <strong>in</strong> 12-hrs<br />
(yellow/orange)