Convection developed after midnight in limited fashion across the Tennessee Valley producing wet microburst driven wind and flash flooding from stationary movement of storms.
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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.
Convection developed after midnight in limited fashion across the Tennessee Valley producing wet microburst driven wind and flash flooding from stationary movement of storms.
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 6, 2:00 AM EST, 2 hours 30 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 300 AM EDT SUN JUL 6 2008 .SHORT TERM (TODAY AND TONIGHT)...SURFACE FRONTAL BOUNDARY LOSES IDENTITY ACROSS CUMBERLAND PLATEAU THROUGH PERIOD. UPPER TROUGH WILL MOVE ESE INTO THE AREA TODAY AND TONIGHT. THUNDERSTORM CHANCE CONTINUES UNTIL TROUGH AXIS MOVES INTO THE MNTS TONIGHT. DRY AIR SWINGING THROUGH THE TROUGH BEGINNING TO WRAP INTO THE AREA. A FEW DOWNDRAFTS MAY BE ENHANCED BY EVAPORATION BUT SHOULD STAY BELOW SEVERE LIMITS. TEMPS NEAR CLIMO. .LONG TERM (MONDAY THROUGH SATURDAY)...OVERALL...MADE LITTLE CHANGE TO THE EXTENDED. A FEW SHOWERS/THUNDERSTORMS MAY LINGER OVER THE REGION ON MONDAY...MAINLY NORTH AND EAST LOCATIONS...AS AN UPPER TROUGH EXITS THE AREA. MODELS BRING IN A SURFACE BOUNDARY AROUND THE TUESDAY/WEDNESDAY TIME FRAME. MODEL HAVE BEEN IN POOR AGREEMENT WITH TIMING AND SOUTHERN PROGRESSION OF THE BOUNDARY SO CONFIDENCE LOW ON DETAILS...BUT HAVE KEPT BEST CHANCE OF PRECIP ON WEDNESDAY. BOUNDARY REMAINS IN THE REGION THURSDAY WITH A WEAK WAVE TRACKING ALONG IT. WILL SEE CONTINUED UNSETTLED CONDITIONS THROUGH THE REST OF THE EXTENDED AS A COUPLE OF WEAK SHORT WAVES MOVE THROUGH THE AREA. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 89 68 93 70 91 / 30 10 10 10 20 KNOXVILLE MCGHEE TYSON AIRPORT, TN 87 66 91 69 89 / 20 20 10 10 20 OAK RIDGE, TN 86 66 93 69 90 / 20 10 10 10 20 TRI CITIES AIRPORT, TN 84 63 88 64 88 / 30 20 20 10 30 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && SON/MJB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 515 AM EDT SUN JUL 6 2008 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-071000- 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 SUN JUL 6 2008 /415 AM CDT SUN JUL 6 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORM WILL CONTINUE ACROSS THE AREA. A FEW OF THESE STORMS MAY BECOME STRONG PRODUCING WIND GUSTS TO 40 MPH. SMALL HAIL IS ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 1132 PM EDT SAT JUL 5 2008 NCZ060-061-060430- CHEROKEE-CLAY- 1132 PM EDT SAT JUL 5 2008 ...A STRONG THUNDERSTORM WILL BE AFFECTING CHEROKEE AND CLAY COUNTIES... AT 1130 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR MURPHY...MOVING EAST AT 15 MPH. SMALL HAIL...AND WINDS 30 TO 40 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. LOCALLY HEAVY RAINS...IN EXCESS OF ONE INCH PER HOUR...MAY OCCUR WITH THIS THUNDERSTORM. 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 DONT DROWN DH
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 127 AM EDT SUN JUL 6 2008 TNZ099>102-060630- BRADLEY-EAST POLK-HAMILTON-WEST POLK- 127 AM EDT SUN JUL 6 2008 ...STRONG THUNDERSTORMS WILL BE AFFECTING BRADLEY...HAMILTON AND POLK COUNTIES... AT 124 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORMS NEAR CLEVELAND...MOVING EAST AT 20 MPH. PEA SIZE HAIL...AND WINDS 30 TO 40 MPH ARE EXPECTED WITH THIS STORM. HEAVY DOWNPOURS OF RAIN WILL ALSO ACCOMPANY THESE STORMS. LOCALIZED SMALL STREAM AND URBAN FLOODING IS POSSIBLE. 17
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Numerous trees were reported down across the southern half of the county.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2008Every state in 2008This day in weather historyWarnings in Tennessee, July 2008
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: 122724.