Isolated severe diurnal thunderstorms developed across mainly the upslope areas of east Tennessee during the late afternoon hours. Damage reports were primarily straight-line winds.
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.
Isolated severe diurnal thunderstorms developed across mainly the upslope areas of east Tennessee during the late afternoon hours. Damage reports were primarily straight-line winds.
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 Jun 27, 1:10 PM EST, 2 hours 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 210 PM EDT WED JUN 27 2007 .SHORT TERM (TONIGHT AND THURSDAY)...DIURNAL SHOWERS AND THUNDERSTORMS HAVE DEVELOPED AGAIN THIS AFTERNOON...AND LIKE THE PAST FEW DAYS...AN ISOLATED DOWNBURST WILL BE POSSIBLE. THE STORMS WILL LIKELY DISSIPATE BY MIDNIGHT...AND SOME PATCHY FOG WILL LIKELY FORM LATE TONIGHT IN AREAS THAT RECEIVE RAIN THIS EVENING. THURSDAY LOOKS MUCH THE SAME...THOUGH MOISTURE CONTENT IS A LITTLE HIGHER AS THE ATLANTIC RIDGE WEAKENS AND A TROUGH APPROACHES FROM THE NORTHWEST. MODELS SHOW A WEAK SURFACE TROUGH ACROSS THE AREA TOMORROW WHICH MAY ALSO AID CONVECTIVE DEVELOPMENT. WILL HAVE A MENTION OF SCATTERED SHOWERS AND THUNDERSTORMS THURSDAY AFTERNOON. AGAIN...SOME ISOLATED DAMAGING WIND GUSTS WILL BE POSSIBLE. .LONG TERM (THURSDAY NIGHT THROUGH TUESDAY)...SCATTERED THUNDERSTORMS WILL CONTINUED INTO THURSDAY EVENING...WITH BEST CHANCES REMAIN NORTH WHERE STRONGER INSTABILITY WILL BE. CONVECTION WILL BRIEFLY DIMINISH OVERNIGHT...WITH SHOWERS AND THUNDERSTORMS SPREADING INTO THE AREA ON FRIDAY AS A COLD FRONT PUSHES IN. WILL CONTINUE WITH LIKELY POP WORDING FRIDAY AFTERNOON. SCATTERED CONVECTION WILL CONTINUE FRIDAY NIGHT. REMAIN UNSURE AS TO HOW FAR SOUTH THE FRONTAL BOUNDARY WILL REACH AND WILL THEREFORE KEEP A FEW LINGER SHOWERS/THUNDERSTORMS SATURDAY AFTERNOON/EVENING. DRIER AIR MOVES INTO BEHIND THE FRONT WITH THE NEXT SYSTEM PROGGED INTO THE REGION ON WEDNESDAY. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 70 91 71 89 70 / 30 20 20 60 50 KNOXVILLE AIRPORT, TN 69 89 69 87 68 / 30 30 20 70 50 OAK RIDGE, TN 69 89 69 87 67 / 30 40 20 70 50 TRI CITIES AIRPORT, TN 66 88 66 84 65 / 30 40 30 70 60 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && DGS/MJB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 515 AM EDT WED JUN 27 2007 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-280915- 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- 515 AM EDT WED JUN 27 2007 /415 AM CDT WED JUN 27 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHWEST NORTH CAROLINA... EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP AGAIN THIS AFTERNOON AND EVENING. A FEW ISOLATED THUNDERSTORMS MAY BECOME SEVERE...PRODUCING DAMAGING WINDS UP TO 60 MPH...LARGE HAIL UP TO THE SIZE OF QUARTERS...AND LOCALLY HEAVY RAINFALL OF ONE TO TWO INCHES. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY ISOLATED SEVERE THUNDERSTORMS WITH DAMAGING WINDS...LARGE HAIL AND LOCALLY HEAVY RAINFALL WILL BE POSSIBLE THROUGHOUT MOST OF THE WEEK...MAINLY DURING THE AFTERNOON AND EVENING HOURS. A COLD FRONT WILL APPROACH THE REGION LATER IN THE WEEK...INCREASING THE COVERAGE OF STRONG TO SEVERE THUNDERSTORMS ON FRIDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AT DIFFERENT PLACES THROUGHOUT THE WEEK.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 229 PM EDT WED JUN 27 2007 TNZ012-035-271915- MORGAN-SCOTT- 229 PM EDT WED JUN 27 2007 ...A STRONG THUNDERSTORM WILL AFFECT NORTHERN MORGAN AND WESTERN SCOTT COUNTIES... AT 225 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 15 MILES NORTHWEST OF WARTBURG....MOVING NORTHEAST AT 10 MPH. LOCALLY HEAVY RAIN...FREQUENT CLOUD-TO-GROUND LIGHTNING...AND WINDS OF 40 TO 50 MPH ARE EXPECTED WITH THIS STORM. DGS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 306 PM EDT WED JUN 27 2007 TNZ101-271945- WEST POLK- 306 PM EDT WED JUN 27 2007 ...A STRONG THUNDERSTORM WAS AFFECTING POLK COUNTY... AT 300 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES SOUTH OF BENTON....MOVING NORTH AT 5 MPH. CONTINUOUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN...AND WINDS TO AROUND 40 MPH ARE EXPECTED WITH THIS STORM. DGS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 324 PM EDT WED JUN 27 2007 TNZ100-101-272015- BRADLEY-WEST POLK- 324 PM EDT WED JUN 27 2007 ...A STRONG THUNDERSTORM WILL AFFECT BRADLEY AND POLK COUNTIES... AT 317 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 5 MILES WEST OF BENTON....MOVING NORTHEAST AT 10 MPH. THIS STORM WILL AFFECT LOCATIONS IN EASTERN BRADLEY COUNTY AND NORTHWEST POLK COUNTY VERY HEAVY RAIN...FREQUENT LIGHTNING...AND WINDS TO AROUND 40 MPH ARE EXPECTED WITH THIS STORM. DGS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 327 PM EDT WED JUN 27 2007 TNZ086-087-272015- NORTHWEST MONROE-SOUTHEAST MONROE- 327 PM EDT WED JUN 27 2007 ...A STRONG THUNDERSTORM WILL AFFECT MONROE COUNTY... AT 325 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12 MILES SOUTHEAST OF MADISONVILLE....MOVING NORTHEAST AT 10 MPH. PEOPLE IN EASTERN MONROE COUNTY...SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR POSSIBLE WARNINGS AND BE PREPARED TO TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN. PEA SIZE HAIL...AND WINDS AROUND 50 MPH ARE EXPECTED WITH THIS STORM. IN ADDITION TO SMALL HAIL AND GUSTY WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES PRIMARY KILLERS. REMEMBER... IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. DGS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 400 PM EDT WED JUN 27 2007 TNZ085>087-099>102-272100- BRADLEY-EAST POLK-HAMILTON-MCMINN-NORTHWEST MONROE-SOUTHEAST MONROE-WEST POLK- 400 PM EDT WED JUN 27 2007 ...AN AREA OF STRONG THUNDERSTORMS WAS AFFECTING BRADLEY...HAMILTON...MCMINN...MONROE AND POLK COUNTIES... AT 400 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORMS NEAR HARRISON...CLEVELAND...ATHENS...AND SWEETWATER....MOVING NORTH AT 15 MPH. DIME SIZE HAIL...AND WINDS 40 TO 50 MPH ARE POSSIBLE WITH THESE STORMS.
The Knoxville radar (KMRX), 89 km away, was scanning. The volume nearest the first event began at 20:24 UTC.
5 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds downed a few trees and powerlines in Greenback and the surrounding area.
Thunderstorm winds downed several trees in Vonore and the surrounding area.
Numerous trees were downed by thunderstorm winds near Madisonville.
Thunderstorm winds downed a few powerlines in East Ridge.
Thunderstorm winds downed several trees and powerlines across the western half of the county.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2007Every state in 2007This day in weather historyWarnings in Tennessee, June 2007
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: 38410, 38412, 38414, 38416, 38417.