Natural Disaster Risk in Sully

Natural Hazard Profile: Sully, Iowa

Sully, in Jasper County, is a small community of about 1,365 situated in the interior eastern United States. Its humid continental climate brings cold winters, hot summers, and frequent severe weather, and in particular a tornado-active spring season. These conditions collectively define the natural hazard environment that Sully residents and property owners must navigate.

According to FEMA's National Risk Index, Sully carries an overall risk score of 6.0/10, placing it in the high category. Drought is the leading natural hazard, with multi-year dry periods capable of depleting water supplies, devastating agriculture, and increasing wildfire risk across the region. The area also faces notable exposure to hail and wind.

Within Iowa, Sully's risk is, slightly above the 5.4/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Jasper County identifies drought as the foremost hazard, followed by hail and wind. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Sully residents benefit from taking preparedness seriously. Reviewing insurance coverage for drought 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.