Diurnal severe thunderstorms developed along a boundary during the afternoon and evening hours. Most of the storm reports were for thunderstorm wind damage, but a few hail reports were also received.
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.
Diurnal severe thunderstorms developed along a boundary during the afternoon and evening hours. Most of the storm reports were for thunderstorm wind damage, but a few hail reports were also received.
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 11, 1:23 PM EST, 37 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 223 PM EDT WED JUN 11 2008 .SHORT TERM (TONIGHT AND THURSDAY)...SHOWERS AND THUNDERSTORMS HAVE BEGUN TO DEVELOP OVER THE SOUTHERN APPALACHIANS. THE BEST INSTABILITY AND LOW LEVEL CONVERGENCE APPEAR TO BE IN THE SOUTHERN TN VALLEY...THE SMOKIES...AND SW NC...AND EXPECT THAT THESE AREAS WILL BE THE MOST ACTIVE THIS EVENING. WATER VAPOR IMAGERY ALSO SHOWS A DEFORMATION ZONE OVER THE AREA. AN EASTERLY STEERING WIND UP TO 700 MB WILL MOVE THE STORMS SLOWLY TO THE WEST AND INTO THE VALLEY. WILL MAINTAIN A MENTION OF SHOWERS IN SOUTHERN SECTIONS THROUGH THE NIGHT. IN OTHER LOCATIONS...ONLY ISOLATED SHOWERS WILL BE FORECAST THROUGH MIDNIGHT. ON THURSDAY THE SURFACE HIGH OVER THE CENTRAL APPALACHIANS WILL SLIDE TO THE SOUTHEAST...OVER DELMARVA. THIS WILL PROVIDE A MORE SOUTHERLY FLOW...AND BETTER LOW LEVEL MOISTURE TO OUR SOUTH WILL ADVECT NORTHWARD. MODELS SHOW THIS MOISTURE AXIS MOVING INTO OUR PLATEAU COUNTIES IN THE AFTERNOON...SO EXPECT THAT THE CONVECTIVE ACTIVITY WILL SHIFT MORE TOWARD THE WESTERN PORTIONS OF THE AREA...WITH A NORTH-NORTHWEST STORM MOTION. WILL CARRY SCATTERED SHOWERS AND THUNDERSTORMS TOMORROW AFTERNOON IN THE SOUTH AND WEST...WITH JUST ISOLATED COVERAGE NORTH WHERE MOISTURE/INSTABILITY WILL LIKELY BE LESS. STAYED CLOSE TO GFS MOS/PERSISTENCE FOR TEMPS TONIGHT AND TOMORROW. .LONG TERM (THURSDAY NIGHT THROUGH WEDNESDAY)...THURSDAY NIGHT AND FRIDAY...HIGH PRESSURE CONTINUES TO BE THE DOMINATE FEATURE OVER THE SOUTHERN APPALACHIAN REGION. AIR MASS WEAK TO MODERATELY UNSTABLE...AND WITH STRONG DAYTIME HEATING...COULD SEE ISOLATED TO SCATTERED THUNDERSTORMS DEVELOP...MAINLY LATE AFTERNOON AND EVENING WITH BEST CHANCES OVER HIGHER TERRAIN. A COLD FRONT PUSHES THROUGH ON SATURDAY WHICH SHOULD BRING A BETTER CHANCE OF CONVECTION. A SECONDARY...WEAKER FRONT MOVES IN ON TUESDAY FOR ANOTHER CHANCE AT SHOWERS AND THUNDERSTORMS. GUIDANCE NUMBERS LOOK GOOD AND KEPT TEMPERATURES CLOSE. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 70 90 69 89 69 / 30 30 20 30 30 KNOXVILLE AIRPORT, TN 68 89 68 88 67 / 30 20 20 20 30 OAK RIDGE, TN 67 90 68 88 68 / 20 20 20 20 40 TRI CITIES AIRPORT, TN 62 88 65 87 65 / 20 20 20 20 30 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && DGS/MJB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 416 AM EDT WED JUN 11 2008 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-120830- 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- 416 AM EDT WED JUN 11 2008 /316 AM CDT WED JUN 11 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 THUNDERSTORMS ARE EXPECTED TO DEVELOP TODAY...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS. SOME STORMS COULD BECOME SEVERE...PRODUCING DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND LOCALLY HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE EACH DAY THROUGH SATURDAY...MAINLY DURING THE AFTERNOON AND EVENING HOURS. SOME STORMS COULD BECOME SEVERE EACH DAY...PRODUCING DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND LOCALLY HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED DUE TO THE ISOLATED NATURE OF THE EXPECTED SEVERE WEATHER. GH
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 258 PM EDT WED JUN 11 2008 TNZ086-087-112000- NORTHWEST MONROE-SOUTHEAST MONROE- 258 PM EDT WED JUN 11 2008 ...STRONG THUNDERSTORMS WILL BE AFFECTING MONROE COUNTY... AT 253 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 9 MILES SOUTHEAST OF MADISONVILLE...MOVING NORTHWEST AT 12 MPH. ANOTHER STRONG STORM WAS LOCATED OVER MOUNT VERNON. DIME SIZE HAIL IS EXPECTED WITH THESE STORMS. HAIL OF PEA TO LESS THAN PENNY SIZE...AND FREQUENT CLOUD TO GROUND LIGHTNING WILL BE POSSIBLE WITH THESE THUNDERSTORMS. ANY FURTHER STRENGTHENING OF THESE STORMS MAY REQUIRE ISSUANCE OF A WARNING. DGS
The Knoxville radar (KMRX), 113 km away, was scanning. The volume nearest the first event began at 19:00 UTC.
19 thunderstorm wind, 2 hail. Local standard time, as filed.
Dispatch reported a few trees downed by thunderstorm winds countywide.
Dispatch reported a tree downed by thunderstorm winds on Old Mine Road and Harold Cemetery Road.
Dispatch reported a few trees and powerlines downed by thunderstorm winds east of Sevierville.
Dispatch reported 2 trees downed by thunderstorm winds on Gass Memorial Road in Greeneville.
Power company reported a few trees and powerlines downed by thunderstorm winds in the southeast portion of the county.
Dispatch reported numerous trees downed by thunderstorm winds across the northern and western portions of the county.
Power company reported a power pole and lines downed by thunderstorm winds on Old Cemetery Road northwest of Greeneville.
Dispatch reported several trees downed by thunderstorm winds in Blountville.
Dispatcher reported penny-size hail in Blountville.
Highway department reported a tree downed by thunderstorm winds on Brown Hill Road north of Greeneville.
Dispatch reported a few trees downed by thunderstorm winds in Loudon.
Trained spotter reported nickel-size hail in West Knoxville.
Power company reported a tree and powerlines downed by thunderstorm winds on Beech Creek Road east of Rogersville.
Trained spotter reported numerous trees downed by thunderstorm winds in Claxton.
Power company reported a tree and powerlines downed by thunderstorm winds on Grassy Creek Road east of Rogersville.
Power company reported several trees and powerlines downed by thunderstorm winds in and around Surgoinsville.
Dispatch reported several trees and powerlines downed by thunderstorm winds in and around New Market.
Dispatch reported 6 trees downed by thunderstorm winds in and around Rutledge.
Highway department reported numerous trees, limbs and debris downed by thunderstorm winds east of Tazewell.
Trained spotter reported a roof was blown off a single wide trailer by thunderstorm winds on the intersection of 11W and 25E east of Tazewell.
Highway department reported numerous trees, limbs and debris downed by thunderstorm winds east of Tazewell.
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, June 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: 111437, 111137, 111138, 111139, 111140, 111141, 111142, 111143, 111333, 111334, 111335, 111393, 111394, 111395, 111399, 111400, 111404, 111410, 111415, 111421, 111429.