Flash Flood — Llano, Texas

2024-09-03 · near Granite Shoals Lake, Llano, Texas

Event narrative

Thunderstorms produced heavy rain that led to flash flooding. The website ATXFloods.com reported several low water crossings flooded along Slickrock Creek in Horseshoe Bay.

Wider weather episode

Convection formed in the vicinity of a stationary front over South-Central Texas. Thunderstorms developed in an anomalously moist airmass with weak steering flow. This led to slow moving, heavy rain producing cells and flash flooding.

View location on OpenStreetMap → (30.5400, -98.3700)

Source: NOAA Storm Events Database, event_id 1212496. Narrative written by the NWS forecast office that issued the report.