Storm reports for March 31, 2011

IndependentNot affiliated with NOAA or the National Weather Service. Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology

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Other storms on March 31 →

On March 31, 2011, 5 hail, 17 damaging-wind and 9 tornado reports were logged across 1 state. The largest hail reported was 1.50″ (ping pong ball size) in Alachua County, FL.

Storm day runs 7 a.m. to 7 a.m. Eastern (12:00–12:00 UTC), the convention the Storm Prediction Center uses. Radar hail estimates start October 2019.

Storm reports by state

Cities with hail reported within 5 miles

Hail reports (5)

Damage, injuries and deaths

National Weather Service offices recorded about $5.7 million in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (31 events in 1 state). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Hillsborough County, FL (near Rattlesnake) · Tornado EF1 · $2.3 million
  “Twenty nine residences and businesses suffered minor damage and six structures suffered major damage in the area around Interbay Boulevard.”
• Hillsborough County, FL (near Port Of Tampa Ports Site) · Tornado EF1 · $1.6 million
  “The area around the Tampa Port Authority and Progress Village suffered extensive damage from an EF1 tornado. Numerous roofs were blown off and 40 feet long storage containers were overturned around the Tampa Port Authority.”
• Pinellas County, FL (near Indian Rocks Beach) · Tornado EF1 · $750,000
  “A waterspout moved onshore as a tornado and destroyed the second floor of a 3,600 square foot multiple occupancy home. Power lines and poles were snapped adjacent to the home. The tornado lifted before reaching the intercostal.”
• Polk County, FL (near (Lal)Lakeland Muni A) · Tornado EF1 · $500,000
  “Seven people were injured during the Sun N Fun Festival activities. There were 50 planes that were damaged or destroyed, with several planes overturned. Five campsites were destroyed with several other camp site tents collapsed or blown down.”
• Pinellas County, FL (near Baskin) · Thunderstorm wind 64 mph · $250,000
  “Thunderstorm winds gusts snapped small tree trunks, pushed over shallow rooted trees, and caused damage to around 150 homes and mobile homes over a one mile square area near Ulmerton Road.”
• Sarasota County, FL (near Longboat Key) · Thunderstorm wind 60 mph · $15,000
  “Emergency Management reported roof, gutter, and carport damage to several mobile homes in a mobile home park on Longboat Key. Powerlines were also down in the park.”

Event narratives from NWS Storm Data, shortened. Up to six per day, chosen by deaths, injuries, damage and size.

Source: NOAA National Centers for Environmental Information (NCEI), Storm Events Database, as entered by National Weather Service offices; data through July 31, 2026. Damage is in dollars of the year, not adjusted for inflation.

Guides: What radar-estimated hail (MESH) is and isn't · Storm reports: preliminary vs final