Natural Disaster Risk in Johnson County

Natural Hazard Profile: Johnson County, Arkansas

Johnson County, in the United States in Arkansas, is characterized by its humid subtropical climate — hot, humid summers and frequent severe thunderstorm activity. The county faces a volatile spring storm season, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.

Johnson County's overall natural disaster risk is rated 6.5/10 (High) by FEMA's National Risk Index. Freezing rain and ice accretion are the primary winter hazard, with glaze ice events capable of downing power lines, snapping tree limbs, and making roads impassable for days. Secondary hazards include heat and tornado.

Within Arkansas, Johnson County's risk is, near the 6.2/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Johnson County identifies ice storm as the foremost hazard, followed by heat and tornado. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

Johnson County's high risk designation reflects meaningful exposure to natural hazards. Residents should verify that their insurance covers the area's primary risks, prepare a family emergency plan, and stay informed about seasonal hazard peaks through local weather and emergency management services.