FloodZoneMap.org

Flash Flood — Blanco, TX

Sep 5, 2001

Thunderstorms formed again in the mid afternoon over the eastern part of the Texas Hill Country and spread southeastward into the I-35 corridor from New Braunfels southward past San Antonio into the Pearsall area. With the soils saturated over nearly all of the South Central Texas area, flash flooding redeveloped as rain totals were generally 1 to 2 inches. Highest rain totals were 4 to 6 inches in southeast Medina County and southwest Bexar County Natalia to Von Ormy, 3 to 5 inches in northwe

Source: NOAA National Weather Service Storm Events Database (event 5266191). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Blanco, TX

This event is one of many recorded floods in Blanco County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

View Blanco County flood data →

More Flood Stories

Flash Flood1 death$20.0M damage

Blanco, TX · May 23, 2015

An upper level shortwave trough moved around the longwave low over the Four Corners region. This upper distubance interacted with a surface boundary moving northward as a warm front from South Texas into a very moist airmass.

Read the full account →
Flash Flood1 death

Blanco, TX · May 23, 2015

An upper level shortwave trough moved around the longwave low over the Four Corners region. This upper distubance interacted with a surface boundary moving northward as a warm front from South Texas into a very moist airmass.

Read the full account →
Flash Flood1 death

Blanco, TX · May 3, 2019

Convection from the previous day left a number of outflow boundaries across South Central Texas. These interacted with a mid to upper level shortwave trough to trigger thunderstorms.

Read the full account →
Flash Flood$1.0M damage

Blanco, TX · Jun 22, 1997

The heavy rain Friday night into Saturday afternoon had left South Central Texas soils saturated. The situation worsened Saturday evening into Sunday as heavy rain associated with the upper low pressure system redeveloped over the western Texas Hill Country.

Read the full account →