A stalled frontal boundary triggered isolated severe thunderstorm across southeast Tennessee during the afternoon hours.
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 stalled frontal boundary triggered isolated severe thunderstorm across southeast Tennessee during the afternoon hours.
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 10, 2:11 PM EST, 1 hour 19 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 311 PM EDT THU JUN 10 2010 .SHORT TERM...(TONIGHT THROUGH SATURDAY)...BASED ON SURFACE ANALYSIS AND USING SPC MESOSCALE PAGE TODAY...WOULD PLACE WEAK COLD FRONT STILL TO OUR NORTH. CLOUD COVER HAS PERSISTED AND LIMITED WARMING ACROSS NRN 1/3 TO 1/2 OF THE FORECAST AREA...WHILE SOME SUNSHINE HAS WARMED CHA AND RHP INTO THE LOWER TO MID 80S. AIRMASS STARTING TO DESTABILIZE (MIXED LAYER CAPES FROM SPC PAGE 1000 TO 2000 J/KG). WIDELY SCATTERED CONVECTION DEVELOPING WITH GENERALLY NO FAVORED AREA AT THIS TIME...SO NUDGED LATE AFTERNOON AND EVENING POPS DOWN TO HIGH CHANCE (WITH AREAL QUALIFIER). LET POPS FALL TO SLIGHT CHANCE LATE WITH PATCHY AREAS OF FOG. THINK THAT GFS MOS IS CLEARING SKIES OUT A BIT TOO MUCH...WITH NAM MOS FAVORED FOR SKY COVER. OTHERWISE...AIRMASS REMAINS VERY MOIST (ABOVE NORMAL) INTO THE WEEKEND...SO AT LEAST DIURNAL CONVECTION EXPECTED. SHORT RANGE MODELS HINT AT A COUPLE OF WEAK SHORT WAVES TO RIDE UP AND OVER THE UPPER RIDGE. THIS SCENARIO IS BETTER DEPICTED TO OCCUR ON SATURDAY ...SO I INCREASED POPS UP TO LOW END OF LIKELY IN A FEW AREAS BY SATURDAY AFTERNOON. OVERALL NO MAJOR CHANGES FROM PREVIOUS GRIDS WEATHER WISE. MOIST AIRMASS WOULD SEEM TO FAVOR MILDER MOS MINS AT NIGHT...AND ALSO FAVOR GOING BELOW LOWER TO MID 90S FOR MAX TEMPS EACH DAY. THUS I TRENDED TOWARD A MOS BLEND FOR MINS...A MOS BLEND FOR FRI MAXES AND COOLER GFS MAXES ON SATURDAY. .LONG TERM...(SATURDAY NIGHT THROUGH THURSDAY)...SHORT WAVE TROF RIDES OVER THE TOP OF SOUTHEASTERN U.S. RIDGE DURING THE FORECAST PERIOD SUPPRESSING THE PRESSURE PATTERN A LITTLE FARTHER SOUTHWARD. THIS ACTION SHOULD CAUSE A COOL FRONTAL BOUNDARY TO DROP SOUTH THROUGH THE FORECAST AREA MONDAY INTO TUESDAY. MAINTAINED PREVIOUS PACKAGE SMALL THROUGH MEDIUM CHANCE POPS FOR CONVECTION SATURDAY NIGHT THROUGH MONDAY AS THE WEAK BOUNDARY SLIPS FARTHER SOUTH. TUESDAY INTO THURSDAY TRIED TO STAY WITH JUST SLIGHT CHANCE PROBABILITY WITH UPPER HEIGHTS BUILDING ACROSS THE SOUTHEASTERN STATES WHILE DIFFUSE BOUNDARY DROPS SOUTH OF TENNESSEE. STAYED CLOSE TO IF NOT JUST UNDER SUGGESTED GUIDANCE TEMPS THROUGH THE PERIOD. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 69 92 71 92 72 / 50 40 20 50 20 KNOXVILLE MCGHEE TYSON AIRPORT, TN 68 90 71 90 72 / 50 40 20 50 30 OAK RIDGE, TN 68 89 70 89 71 / 50 40 20 50 20 TRI CITIES AIRPORT, TN 63 87 66 86 67 / 30 40 20 50 40 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && TG
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 254 AM EDT THU JUN 10 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-111100- 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- 254 AM EDT THU JUN 10 2010 /154 AM CDT THU JUN 10 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT A SERIES OF UPPER WAVES ALONG WITH EXTREMELY HIGH HUMIDITY WILL CREATE THE POSSIBILITY FOR STRONG TO SEVERE THUNDERSTORMS TODAY AND EARLY THIS EVENING. NO ORGANIZED SEVERE WEATHER IS EXPECTED...BUT ISOLATED STORMS COULD PRODUCE DAMAGING STRAIGHT LINE WINDS AND VERY HEAVY RAINFALL. LOCALIZED FLOODING IS POSSIBLE. ALSO...SOME STORMS WILL LIKELY PRODUCE FREQUENT TO NEARLY CONTINUOUS LIGHTNING. LIGHTNING IS ALWAYS DEADLY. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH TUESDAY THE SAME PICTURE WILL CONTINUE FRIDAY THROUGH SUNDAY...MOSTLY DURING THE DAY AND EARLY EVENING HOURS. .SPOTTER INFORMATION STATEMENT... SPOTTER REPORTS MAY BE REQUIRED EACH DAY FOR MAINLY WINDS AND FLOODING. BOYD
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
1150 AM EDT THU JUN 10 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0550 PM TORNADO 4 N SPRING CITY 35.75N 84.86W
06/09/2010 RHEA TN UTILITY COMPANY
NUMEROUS TREES AND POWERLINES DOWN ACROSS THE NORTHERN
THIRD OF THE COUNTY. REPORTED BY VOLUNTEER ELECTRIC.
0612 PM TSTM WND DMG 4 SE SPRING CITY 35.65N 84.81W
06/09/2010 RHEA TN LAW ENFORCEMENT
SEVERAL TREES AND POWERLINES DOWN NEAR THE JUNCTION OF
HIGHWAY 302 AND WOLF CREEK ROAD. REPORTED BY DISPATCH.
0620 PM TSTM WND DMG 2 E EVENSVILLE 35.56N 84.92W
06/09/2010 RHEA TN LAW ENFORCEMENT
A COUPLE OF TREES AND POWERLINES DOWN ON PETE WORTHINGTON
ROAD. REPORTED BY DISPATCH.
0637 PM TSTM WND DMG 6 NE DECATUR 35.59N 84.72W
06/09/2010 MEIGS TN UTILITY COMPANY
NUMEROUS TREES AND POWERLINES DOWN ACROSS MUCH OF THE
NORTHERN HALF OF THE COUNTY FROM DECATUR TO NEAR TEN
MILE. REPORTED BY VOLUNTEER ELECTRIC.
0642 PM TSTM WND DMG 5 NNW ATHENS 35.52N 84.64W
06/09/2010 MCMINN TN UTILITY COMPANY
NUMEROUS TREES AND POWERLINES DOWN ACROSS MUCH OF THE
NORTHWESTERN THIRD OF THE COUNTY. REPORTED BY VOLUNTEER
ELECTRIC.
&&
FERRELLPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE MORRISTOWN TN
1153 AM EDT THU JUN 10 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0550 PM TSTM WND DMG 4 N SPRING CITY 35.75N 84.86W
06/09/2010 RHEA TN UTILITY COMPANY
NUMEROUS TREES AND POWERLINES DOWN ACROSS THE NORTHERN
THIRD OF THE COUNTY. REPORTED BY VOLUNTEER ELECTRIC.
&&
FERRELLPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MORRISTOWN TN
1155 AM EDT THU JUN 10 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0550 PM TSTM WND DMG 4 N SPRING CITY 35.75N 84.86W
06/09/2010 RHEA TN UTILITY COMPANY
NUMEROUS TREES AND POWERLINES DOWN ACROSS THE NORTHERN
THIRD OF THE COUNTY. REPORTED BY VOLUNTEER ELECTRIC.
0612 PM TSTM WND DMG 4 SE SPRING CITY 35.65N 84.81W
06/09/2010 RHEA TN LAW ENFORCEMENT
SEVERAL TREES AND POWERLINES DOWN NEAR THE JUNCTION OF
HIGHWAY 302 AND WOLF CREEK ROAD. REPORTED BY DISPATCH.
0620 PM TSTM WND DMG 2 E EVENSVILLE 35.56N 84.92W
06/09/2010 RHEA TN LAW ENFORCEMENT
A COUPLE OF TREES AND POWERLINES DOWN ON PETE WORTHINGTON
ROAD. REPORTED BY DISPATCH.
0637 PM TSTM WND DMG 6 NE DECATUR 35.59N 84.72W
06/09/2010 MEIGS TN UTILITY COMPANY
NUMEROUS TREES AND POWERLINES DOWN ACROSS MUCH OF THE
NORTHERN HALF OF THE COUNTY FROM DECATUR TO NEAR TEN
MILE. REPORTED BY VOLUNTEER ELECTRIC.
0642 PM TSTM WND DMG 5 NNW ATHENS 35.52N 84.64W
06/09/2010 MCMINN TN UTILITY COMPANY
NUMEROUS TREES AND POWERLINES DOWN ACROSS MUCH OF THE
NORTHWESTERN THIRD OF THE COUNTY. REPORTED BY VOLUNTEER
ELECTRIC.
&&
FERRELLSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 414 PM EDT THU JUN 10 2010 TNZ100>102-102115- BRADLEY TN-EAST POLK TN-WEST POLK TN- 414 PM EDT THU JUN 10 2010 ...SIGNIFICANT WEATHER ADVISORY FOR POLK AND BRADLEY COUNTIES UNTIL 515 PM EDT... AT 412 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7 MILES SOUTHWEST OF BENTON...MOVING SOUTHEAST AT 15 MPH. SMALL HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...RELIANCE...GAP SPRINGS...PARKSVILLE...CONASAUGA AND ARCHVILLE. LOCALLY HEAVY RAINS...IN EXCESS OF ONE INCH PER HOUR...MAY 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! MJB
The Northeast Alabama radar (KHTX), 108 km away, was scanning. The volume nearest the first event began at 20:30 UTC.
4 thunderstorm wind. Local standard time, as filed.
Law enforcement personnel reported 2 small trees downed by thunderstorm winds just south of Cleveland.
Utility company personnel reported a few trees and powerlines downed by thunderstorm winds in East Brainerd.
Utility company personnel reported a few trees and powerlines downed by thunderstorm winds in Collegedale.
Utility company personnel reported several small trees and limbs downed by thunderstorm winds in and around Cleveland.
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, June 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: 229825, 229826, 229827, 229828.