Storm reports for May 18, 2009

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, 2009, 8 hail, 13 damaging-wind and 0 tornado reports were logged across 7 states. The largest hail reported was 1.00″ (quarter size) in Asotin County, WA.

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 (8)

Damage, injuries and deaths

National Weather Service offices recorded about $149,000 in property damage from hail, thunderstorm wind and tornadoes across the US on this storm day (21 events in 7 states). Injuries and deaths are those the events caused directly.

What the National Weather Service wrote

• Maricopa County, AZ (near Mesa) · Thunderstorm wind 69 mph · $100,000
  “Eight power poles were downed in Mesa by strong microburst winds. About 10,000 East Valley SRP customers lost power Monday night. Microburst winds were reported by a spotter in the area of Interstate 17 and Greenway Road in Phoenix.”
• Cassia County, ID (near Burley) · Thunderstorm wind 64 mph · $30,000
  “Several trees were downed in Burley by a microburst wind with several trees on houses and extensive shingle damage reported. Light fixtures were shattered on several homes.”
• Minidoka County, ID (near Paul) · Thunderstorm wind 64 mph · $15,000
  “Microburst caused damage near Paul. Several large trees taken down, some on top of automobiles. Sheds were moved off foundations as well.”
• Churchill County, NV (near Fallon) · Thunderstorm wind 49 mph · $2,000
  “A trained weather spotter reported wind gusts to 43 knots (50 mph) near Fallon Station. The strong wind produced blowing dust which reduced visibility to around 3 miles. A tree was blown over onto a power line which resulted in a loss of power for a few minutes.”
• Mariposa County, CA (near Midpines) · Thunderstorm wind 58 mph · $2,000
  “California Highway Patrol reported 3 trees downed across SR 140 near Briceburg.”
• Churchill County, NV (near Fallon) · Thunderstorm wind 55 mph · $1,000
  “A trained weather spotter reported that a 20-ft tall 2-ft diameter tree was blown down onto a fence. Numerous small branches from other trees were also broken by the strong wind gusts.”

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