Natural Disaster Risk — ZIP Code 20147

Natural Hazard Profile: ZIP 20147, Virginia

ZIP 20147 in Ashburn sits along the mid-Atlantic coast. Its humid subtropical climate produces hot, humid summers and four distinct seasons, and notably hurricane and nor'easter exposure. These conditions define the natural disaster environment for households across this ZIP code.

According to FEMA's National Risk Index, ZIP 20147 carries an overall risk score of 6.9/10, placing it in the high category. Extreme heat is the top natural hazard concern, with summer temperatures regularly reaching dangerous thresholds that pose serious health risks, particularly for elderly and outdoor workers. The area also faces notable exposure to winter and lightning.

Within Virginia, ZIP 20147's risk is, considerably above the 5.1/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Virginia identifies heat as the foremost hazard, followed by winter and lightning. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, ZIP 20147 residents benefit from taking preparedness seriously. Reviewing insurance coverage for heat and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.