A strong low pressure system along with an associated cold front tracked across the area triggering thunderstorms during the evening and overnight hours. A tornado touched down in eastern Monroe County, then tracked across southern Loudon County and finally dissipated in western Blount County.
Every event with a place to put it. Tap one for its entry below.
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.
A strong low pressure system along with an associated cold front tracked across the area triggering thunderstorms during the evening and overnight hours. A tornado touched down in eastern Monroe County, then tracked across southern Loudon County and finally dissipated in western Blount County. Another weak tornado touched down briefly in Polk County.
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 Apr 24, 5:27 PM CST, 8 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 727 PM EDT SAT APR 24 2010 .DISCUSSION...UPDATED ZONES TO INCLUDE WATCH BOX NUMBER 98. NO OTHER CHANGES MADE AT THIS TIME. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 62 80 56 67 49 / 80 20 20 30 10 KNOXVILLE MCGHEE TYSON AIRPORT, TN 60 77 55 64 47 / 80 20 30 30 20 OAK RIDGE, TN 60 77 55 64 47 / 80 20 30 30 20 TRI CITIES AIRPORT, TN 58 76 52 61 45 / 90 30 30 40 30 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && LCM
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 830 AM EDT SAT APR 24 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-251000- 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- 830 AM EDT (730 PM CDT) SAT APR 24 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST TENNESSEE...SOUTHWEST VIRGINIA AND EXTREME SOUTHWEST NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A STRONG LOW PRESSURE SYSTEM AND ITS ASSOCIATED COLD FRONT WILL MOVE TOWARDS THE TENNESSEE RIVER VALLEY THIS AFTERNOON AND EVENING... TRIGGERING NUMEROUS SHOWERS AND THUNDERSTORMS. AN OUTBREAK OF SEVERE WEATHER...INCLUDING THE POSSIBILITY OF NUMEROUS SUPERCELL STORMS... IS EXPECTED TO AFFECT THE SOUTHERN APPALACHIAN REGION BY THIS AFTERNOON AND EVENING. VERY LARGE HAIL (AROUND THE SIZE OF A GOLF BALL)...DAMAGING WINDS IN EXCESS OF 60 MPH...AND ISOLATED TORNADOES (SOME POSSIBLY STRONG AND LONG-LIVED) WILL ALL BE POSSIBLE BY THIS AFTERNOON AND EVENING. IN ADDITION...LOCALLY HEAVY RAINFALL IN A FEW AREAS MAY CREATE SOME FLOODING PROBLEMS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SCATTERED THUNDERSTORMS WILL STILL BE POSSIBLE BY SUNDAY AFTERNOON AND EVENING...WITH SOME STORMS POSSIBLY BECOMING STRONG TO SEVERE WITH LARGE HAIL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED THIS AFTERNOON AND EVENING...AND POSSIBLY ON SUNDAY AFTERNOON. DMG
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 551 PM EDT SAT APR 24 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-250200- 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- 550 PM EDT (450 PM CDT) SAT APR 24 2010 ...A SEVERE WEATHER OUTBREAK EXPECTED THIS EVENING... A STRONG LOW PRESSURE SYSTEM OVER THE MID MISSISSIPPI RIVER VALLEY WAS GENERATING TWO BANDS OF SHOWERS AND THUNDERSTORMS OVER MIDDLE TENNESSEE AND NORTHERN ALABAMA. THESE BANDS OF STORMS ARE EXPECTED TO MOVE INTO THE SOUTHERN APPALACHIAN REGION THIS EVENING...BRINGING THE POTENTIAL FOR AN OUTBREAK OF SEVERE WEATHER. SUPERCELL STORMS WILL BE POSSIBLE...PRODUCING THE POTENTIAL FOR VERY LARGE HAIL (AROUND GOLFBALL SIZE HAIL)...DAMAGING WINDS (IN EXCESS OF 60 MPH)...AND SOME ISOLATED TORNADOES (A FEW POSSIBLY STRONG AND LONG LIVED). IN ADDITION...SOME STORMS WILL PRODUCE LOCALLY HEAVY RAINFALL AROUND TWO INCHES...WHICH COULD CREATE FLOODING IN SOME AREAS. RESIDENTS OF EAST TENNESSEE...SOUTHWEST VIRGINIA AND EXTREME SOUTHWEST NORTH CAROLINA ARE URGED TO STAY INFORMED OF THE LATEST WEATHER INFORMATION THIS EVENING. PLEASE STAY TUNED TO NOAA WEATHER RADIO...OR YOUR FAVORITE LOCAL MEDIA STATIONS...FOR POSSIBLE WATCHES AND WARNINGS ON THIS DEVELOPING SEVERE WEATHER SITUATION. DMG
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 703 PM EDT SAT APR 24 2010 TNZ081-098-250000- MARION TN-SEQUATCHIE TN- 603 PM CDT SAT APR 24 2010 ...SIGNIFICANT WEATHER ADVISORY FOR MARION AND SEQUATCHIE COUNTIES UNTIL 700 PM CDT... AT 559 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A LINE OF STRONG THUNDERSTORMS EXTENDING FROM MONTEAGLE TO 20 MILES WEST OF BRIDGEPORT...WHICH WAS MOVING NORTHEAST AT 60 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH FREQUENT DANGEROUS LIGHTNING. LOCALLY HEAVY RAINS WILL OCCUR WITH THESE THUNDERSTORMS. MOTORISTS SHOULD BE ALERT FOR PONDING OF WATER ON ROADWAYS...AND POSSIBLE MINOR FLOODING OF LOW LYING AREAS. DO NOT DRIVE THROUGH WATERS OF UNKNOWN DEPTH. TURN AROUND! DON'T DROWN! DMG
The Northeast Alabama radar (KHTX), 45 km away, was scanning. The volume nearest the first event began at 23:37 UTC.
11 thunderstorm wind, 4 tornado. Local standard time, as filed.
Law enforcement personnel reported several trees downed by thunderstorm winds in Jasper.
Law enforcement personnel reported one tree downed by thunderstorm winds in Dunlap.
Law enforcement personnel reported several trees downed by thunderstorm winds in the Jasper area.
Law enforcement personnel reported several trees and powerlines downed by thunderstorm winds in the Decatur area.
The Pone Knob ETOS tower reported a measured wind gust at 73 knots (84 mph).
The Daily Post-Athenian newspaper reported several trees and powerlines downed by thunderstorms winds across the county. Around 2000 homes lost power.
The emergency manager reported a barn was destroyed and a roof blown off a house at the intersection of Lakeside Road and Kincaid Road southwest of Vonore. Several other homes and businesses were also damaged in the area.
The NWS storm survey determined a tornado developed near the Hugh Storage Facility 2 miles west southwest Vonore, It was classified as an EF0 tornado with winds estimated at 80 mph and a path width of 50 yards. The tornado produced damage near the Pro-Tex plant.
The NWS storm survey determined the tornado entered from Monroe County tracked across extreme southern Loudon County then continued east into Blount County. It was classified as an EF1 tornado with winds estimated at 100 mph and a path width of 100 yards. The tornado snapped around 20 trees in extreme southern Loudon County near Greenback.
The Daily Times newspaper in Maryville reported a home was destroyed and several trees and powerlines downed by thunderstorm winds near Greenback.
Amateur radio personnel reported a roof was blown off a house on Thompson Bridge Road just across the county line from Greenback.
The NWS storm survey determined a tornado tracked from Loudon County for one-half of a mile along Thompson Bridge road. It was classified as an EF2 tornado with winds estimated at 110 mph with a path width of 100 yards.
Law enforcement personnel reported a home destroyed and several trees downed by thunderstorm winds on Cannon Road.
Law enforcement personnel reported several trees downed by thunderstorm winds in the southeast part of the county from Isabella to Ducktown to Farner.
A tornado briefly touched down just southwest of highway 64 just west of Ducktown and continued northeast before quickly dissipating. The tornado snapped and twisted 10 trees in its path with 70 mph winds before dissipating.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2010Every state in 2010This day in weather historyThe tornado archive for Tennessee, 2010Warnings in Tennessee, April 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: 218835, 218839, 218842, 218843, 218858, 224343, 218860, 218902, 218903, 224360, 218861, 218869, 218882, 218885, 222783.