Isolated late evening convection developed near a stationary front positioned across Southeast Tennessee. The convection generated a damaging lightning strike in South Pittsburg.
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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 MRX wrote it up.
Isolated late evening convection developed near a stationary front positioned across Southeast Tennessee. The convection generated a damaging lightning strike in South Pittsburg.
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 Morristown, TN wrote its last area forecast discussion before the first event at Jul 11, 7:35 PM CST, 1 hour 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 935 PM EDT SUN JUL 11 2010 .DISCUSSION... CURRENT SURFACE ANALYSIS SHOWS A QUASI-STATIONARY FRONTAL BOUNDARY ORIENTED NORTHWEST-TO-SOUTHEAST OVER MIDDLE TN INTO CENTRAL GA... WITH A WARM AND MOIST AIR MASS ACROSS THE FORECAST AREA. AREA RADARS REVEAL A MESOSCALE CONVECTIVE SYSTEM OVER WEST TN AND WESTERN KY... WITH MSAS ANALYSIS INDICATING A MODERATELY UNSTABLE AIR MASS LINGERING OVER THE FORECAST AREA. THUS...EXPECT THIS MCS TO CONTINUE MOVING EAST ACROSS THE TN RIVER VALLEY INTO THE FORECAST AREA DURING THE EARLY MORNING HOURS. THIS MCS SEEMS TO BE MOVING FASTER THAN EARLIER EXPECTED...SO WILL PLAN TO RAISE POPS ACROSS THE WESTERN HALF OF THE FORECAST AREA FOR THE OVERNIGHT HOURS. OVERALL...WILL PLAN TO UPDATE THIS EVENING TO RAISE POPS AND TO FRESHEN UP THE WORDING ACCORDING TO THE LATEST TRENDS. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 74 89 72 91 74 / 60 60 50 50 40 KNOXVILLE AIRPORT, TN 73 88 72 88 73 / 50 70 40 50 40 OAK RIDGE, TN 72 87 72 88 72 / 60 70 40 60 40 TRI CITIES AIRPORT, TN 66 85 67 86 68 / 30 70 40 50 40 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && DMG
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 143 PM EDT SUN JUL 11 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-121000- CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS- SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN- NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE- SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER- SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT- BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS- SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE- SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE- WISE-SCOTT-RUSSELL-WASHINGTON- 143 PM EDT SUN JUL 11 2010 /1243 PM CDT SUN JUL 11 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY AN UPPER AIR DISTURBANCE WILL SWING ACROSS THE REGION ON MONDAY...BRINGING SHOWERS AND THUNDERSTORMS. SOME OF THESE THUNDERSTORMS MAY BECOME SEVERE...WITH DAMAGING WINDS THE PRIMARY THREAT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED ON MONDAY.
The Northeast Alabama radar (KHTX), 36 km away, was scanning. The volume nearest the first event began at 03:31 UTC.
1 lightning. Local standard time, as filed.
A historic building in downtown South Pittsburg received extensive damage due to a lightning strike late Sunday evening. The building located at 238 Cedar Avenue, suffered explosive damage to a decorative portion of the top of the building when the strike occurred.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2010Every state in 2010This day in weather historyWarnings in Tennessee, July 2010
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 2026-09-24. Each event’s entry at NCEI: 238250.