FloodZoneMap.org

Flash Flood — Hays, TX

Oct 17, 1998

The Great October FloodIn advance of a very slow-moving upper level trough of low pressure over West Texas, a cold front drifted slowly southeastward into West Central Texas during the evening of Friday, October 16th. Deep moisture was in place across South Central Texas as the two systems approached, being fed at the mid and upper levels by two nearly stationary hurricanes, Madeline near the tip of Baja Mexico, and Lester, anchored just off Acapulco, Mexico, and in the low levels by a strong f

Source: NOAA National Weather Service Storm Events Database (event 5672502). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Hays, TX

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

View Hays County flood data →

More Flood Stories

Flash Flood10 deaths$100.0M damage

Hays, TX · May 24, 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 Flood2 deaths$2.5M damage

Hays, TX · Jun 8, 1997

As a result of general 3 to 4 inch rainfall in less than 4 hours, and isolated totals near 5 inches, widespread flash flooding developed along the Blanco River across southern Blanco and Southern Hays Counties from Blanco to Wimberly.

Read the full account →
Flood$4.0M damage

Hays, TX · Oct 17, 1998

Flooding along the San Marcos RiverIn Hays County, the flooding along the San Marcos River was most devastating to the eastern part of San Marcos, with many permanent homes flooded and several mobile homes washed from their sites, Homes and apartments were flooded along the…

Read the full account →
Flood$4.0M damage

Hays, TX · Oct 17, 1998

Flooding along the Blanco RiverAt Wimberley, the Blanco River crested at 26.7 feet, with flood stage at 13 feet. Several businesses in Wimberley were flooded.

Read the full account →