An upper level disturbance interacted with warm moist unstable atmosphere across central North Carolina and a lee side trough to produce scattered showers and thunderstorms. One of these thunderstorms became severe and produced wind damage in the town of Cary, NC.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS RAH wrote it up.
An upper level disturbance interacted with warm moist unstable atmosphere across central North Carolina and a lee side trough to produce scattered showers and thunderstorms. One of these thunderstorms became severe and produced wind damage in the town of Cary, NC.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Raleigh, NC wrote its last area forecast discussion before the first event at Jul 30, 1:20 PM EST, 14 minutes earlier.
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</html>The Raleigh/Durham radar (KRAX), 31 km away, was scanning. The volume nearest the first event began at 18:34 UTC.
1 thunderstorm wind. Local standard time, as filed.
Trees were reported in the intersection of West Chatham Street and Southwest Maynard Road in Cary, North Carolina.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in North Carolina in 2009Every state in 2009This day in weather historyWarnings in North Carolina, July 2009
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 187210.