Storm reports for May 18, 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 May 18 →

On May 18, 2011, 54 hail, 5 damaging-wind and 3 tornado reports were logged across 7 states. The largest hail reported was 1.75″ (golf ball size) in Adams County, CO.

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 (54)

Damage, injuries and deaths

National Weather Service offices recorded about $65,000 in property damage and 2 injuries from hail, thunderstorm wind and tornadoes across the US on this storm day (62 events in 7 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Philadelphia County, PA (near Bustleton) · Tornado EF0 · $50,000 · 2 injuries
  “An EF-0 tornado with an estimated maximum wind speed of 75 mph briefly touched down in the northeast part of Philadelphia and damaged a couple of businesses and an apartment building in the area and caused two injuries.”
• Dauphin County, PA (near Millersburg) · Tornado EF1 · $10,000
  “A survey team from the National Weather Service in State College confirmed a brief EF1 tornado between Millersburg and Killinger in Upper Paxton Township. The tornado touched down on Zimmerman Road and damaged several homes in the area.”
• New Kent County, VA (near Providence Forge) · Thunderstorm wind 58 mph · $2,000
  “Several trees were downed and blocking roads.”
• Caroline County, VA (near Farmers) · Thunderstorm wind 58 mph · $1,000
  “Tree was downed on Fredericksburg Turnpike.”
• Washington County, MD (near (Hgr)Hagerstown Rgnl) · Thunderstorm wind 59 mph
  “A wind gust of 59 mph was measured near Maugansville.”
• King George County, VA (near Passapatanzy) · Hail 1.50″
  “Hail up the size of ping pong balls was reported along Pinewood Lane.”

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