A front tracked through the area during the evening hours producing isolated severe thunderstorms in southeast Tennessee.
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 front tracked through the area during the evening hours producing isolated severe thunderstorms in southeast Tennessee.
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 9, 2:22 PM EST, 2 hours 28 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 322 PM EDT WED JUN 9 2010 .SHORT TERM...(TONIGHT THROUGH FRIDAY)...INITIAL BAND OF CONVECTION HAS MOVED EAST THROUGH THE FORECAST AREA...WITH ISOLATED TO SCATTERED RE-DEVELOPMENT NOTED OVER WESTERN PARTS OF THE FORECAST AREA (AND ALSO OVER CENTRAL KY AND MIDDLE TN). ACTUAL COLD FRONT IS STILL WELL UPSTREAM...PROBABLY NOT AS FAR EAST AS FRONTAL PROG CHART FOR 18Z. OUTFLOW BOUNDARIES...SOME UPPER LEVEL SUPPORT...AND DAYTIME INSTABILITY SHOULD KEEP SCATTERED CONVECTION GOING WELL INTO THE EVENING HOURS. WEAK COLD FRONT PROGGED TO SAG SOUTH OVERNIGHT...SO NOT ABLE TO REMOVE POPS. OTHERWISE...AIRMASS REMAINS MOIST AND UNSTABLE THROUGH THESE SHORT TERM PERIODS. ADJUSTED POP/WX GRIDS IN LINE WITH LATEST MOS POPS... WITH AN ATTEMPT TO DETERMINE WHERE BOUNDARY MAY BE LOCATED EACH PERIOD. BIGGEST CHANGE TO FORECAST GRIDS WAS FOR THURSDAY...AS PRIOR POPS WERE QUITE MINIMAL. APPEARS TO BE TOO MUCH MOISTURE AROUND EACH DAY TO REACH THE LOWER 90S...SO STAYED CLOSE TO PREVIOUS MAX TEMP GRIDS. MIN TEMPS ALSO ADJUSTED UP SLIGHTLY...GIVEN THE FACT THAT WE DON'T GET A REAL AIRMASS CHANGE. RAINFALL SO FAR TODAY HAS NOT BEEN THAT HEAVY...SO WON'T MENTION LOCALLY HEAVY RAINS FOR TONIGHT. WILL NEED TO MONITOR STORMS REST OF THE AFTERNOON AND EVENING...ESPECIALLY IF MAX TEMPS PUSH INTO THE MID OR UPPER 80S OVER THE NEXT 2 TO 3 HOURS. GUSTY WINDS PROBABLY MAIN THREAT...IN LINE WITH LOCAL STORM REPORTS FROM NEIGHBORING OFFICES. .LONG TERM...(FRIDAY NIGHT THROUGH WEDNESDAY)...A SHORTWAVE TRACKS THROUGH THE AREA ON SATURDAY. WILL KEEP CHANCE POPS GOING FOR SATURDAY WITH THE HIGHEST CHANCES IN THE NORTH WHERE THE DEEPEST MOISTURE LINGERS. ANOTHER SHORTWAVE TRACKS THROUGH THE AREA ON SUNDAY. WILL CONTINUE CHANCE POPS GOING FOR SUNDAY WITH THE HIGHEST CHANCES IN THE NORTH WHERE THE DEEPEST MOISTURE IS AVAILABLE. A FRONT TRACKS ACROSS THE CWA ON MONDAY. WITH A DECENT MOISTURE INDICATED...WILL CONTINUE THE CHANCE ACROSS THE CWA. HIGH PRESSURE RETURNS BRINGING DRY WEATHER FOR TUESDAY AND WEDNESDAY. STAYED NEAR MEX/HPC GUIDANCE FOR TEMPERATURES. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 70 89 69 91 71 / 40 60 20 40 20 KNOXVILLE MCGHEE TYSON AIRPORT, TN 67 87 67 88 70 / 50 60 20 30 20 OAK RIDGE, TN 67 86 67 88 70 / 40 60 20 30 20 TRI CITIES AIRPORT, TN 63 86 62 87 65 / 60 40 20 30 20 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && TG/GH
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 455 AM EDT WED JUN 9 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-100900- 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- 455 AM EDT WED JUN 9 2010 /355 AM CDT WED JUN 9 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT A VERY WARM...MOIST AND UNSTABLE AIR MASS HAS MOVED BACK INTO THE SOUTHERN APPALACHIANS AND WILL RESULT IN SCATTERED TO NUMEROUS MAINLY AFTERNOON SHOWERS AND THUNDERSTORMS. SOME OF THESE STORMS COULD BE SEVERE AHEAD OF A COLD FRONT THAT WILL MOVE TOWARDS THE AREA. THE MAIN CONCERNS WILL BE DAMAGING WINDS ALONG WITH SOME LARGE HAIL. THE FRONTAL BOUNDARY WILL LINGER ACROSS THE NORTHERN SECTIONS OF TENNESSEE AND SOUTHWEST VIRGINIA INTO TONIGHT SO CONTINUED THUNDERSTORMS IN THE SAME AREA THIS AFTERNOON AND TONIGHT MAY CONTRIBUTE TO LOCALIZED FLOODING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY BOUNDARIES LEFT OVER FROM ACTIVITY TODAY IS EXPECTED TO CAUSE NEW THUNDERSTORM DEVELOPMENT THURSDAY. A FEW THUNDERSTORMS COULD BECOME SEVERE ESPECIALLY ACROSS THE CUMBERLAND PLATEAU AND SOUTHERN VALLEY WHERE THE ATMOSPHERE WILL BE MORE UNSTABLE .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THURSDAY.
The Knoxville radar (KMRX), 140 km away, was scanning. The volume nearest the first event began at 21:50 UTC.
5 thunderstorm wind. Local standard time, as filed.
Utility company personnel reported numerous trees and powerlines downed by thunderstorm winds across the northern portions of the county.
Law enforcement personnel reported several trees and powerlines downed by thunderstorm winds near the junction of Highway 302 and Wolf Creek Road.
Law enforcement personnel reported a couple of trees and powerlines downed by thunderstorm winds near Evensville.
Utility company personnel reported numerous trees and powerlines downed by thunderstorm winds across the northern half of the county from Decatur to near Ten Mile.
Utility company personnel reported numerous trees and powerlines downed by thunderstorm winds across the northwestern portions of the county.
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: 229789, 229798, 229801, 229807, 229814.