Williamson County north of Austin combines flash flood risk from the Balcones Escarpment with increasing tornado exposure. As one of the fastest-growing counties in Texas, new residential developments are expanding into flood-prone areas, raising emergency management challenges for local officials.
// Risk Intelligence
| Threat Score | 6 / 10 Moderate Risk |
| Primary Hazard | Flash Flooding |
| Secondary Hazard | Tornado |
| FEMA Flood Zone | Zone AE (Moderate Risk) |
| Federally Declared Disasters | 26 |
| Last Major Event | Flash Flood (2021) |
| Event Frequency | Major event every 5–6 years |
// Emergency Operations
| Emergency Mgmt Phone | (512) 943-1700 |
| Emergency Shelters | 19 designated facilities |
| Evacuation Routes | I-35 North, TX-130 North, TX-29 West |
// Recommended Preparedness Gear
Based on Williamson County TX's primary hazard profile (Flash Flooding), the following gear is recommended for a Moderate risk area.
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// County Profile
| County | Williamson County TX |
| State | Texas (TX) |
| Population | 769954 |
| Area | 1124 sq miles |
| FEMA Region | Zone AE (Moderate Risk) |
// Other Texas Counties
McLennan County TX
Tornado / Severe Storm
6/10
Moderate
El Paso County TX
Flash Flooding
5/10
Moderate
Tarrant County TX
Tornado / Severe Storm
7/10
High
Collin County TX
Tornado / Severe Storm
6/10
Moderate
Hidalgo County TX
Hurricane / Flooding
8/10
High
Montgomery County TX
Hurricane / Flooding
8/10
High