A weak boundary across the region triggered isolated strong thunderstorms winds during the late afternoon and evening hours over the area.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 weak boundary across the region triggered isolated strong thunderstorms winds during the late afternoon and evening hours over the area.
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 28, 7:00 PM EST, 1 hour 29 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 800 PM EDT MON JUN 28 2010 .AVIATION...FOR THE MOST PART...VFR CONDITIONS ARE EXPECTED THROUGH THE PERIOD. HOWEVER...ON GOING CONVECTION IN RESPONSE TO AN APPROACHING FRONTAL BOUNDARY WILL CONTINUE TO EFFECT AREA TAFS THROUGH 03Z. A FEW ISOLATED STORMS MAY LINGER THROUGH 06Z. TAF SITES IN AND AROUND THE STORMS WILL SEE BRIEF HEAVY RAIN...MVFR AND POSSIBLY IFR CONDITIONS AND GUSTY WINDS. THE BOUNDARY WILL PUSH INTO THE AREA TOWARDS MORNING...LINGERING OVER SOUTHERN LOCATIONS THROUGHOUT THE DAY TUESDAY. WITH THE BOUNDARY IN PLACE AND DAYTIME HEATING...ADDITIONAL CONVECTION IS POSSIBLE TUESDAY AFTERNOON... THOUGH COVERAGE SHOULD BE MUCH LESS WITH BEST CHANCES NEAR CHA. && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && MJB
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 427 AM EDT MON JUN 28 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-290830- 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- 427 AM EDT MON JUN 28 2010 /327 AM CDT MON JUN 28 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS WILL BE MORE WIDESPREAD TODAY...AHEAD OF A COLD FRONT. A FEW STRONG TO SEVERE STORMS MAY OCCUR IN THE AFTERNOON AND EVENING...WITH LOCALLY HEAVY RAINS IN EXCESS OF ONE INCH...AND WINDS GUSTING TO 50 MPH OR HIGHER IN AND NEAR THE STRONGEST STORMS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SHOWERS AND THUNDERSTORMS WILL LINGER INTO TUESDAY...ESPECIALLY ACROSS SOUTHEAST TENNESSEE INTO SOUTHWEST PARTS OF NORTH CAROLINA. ISOLATED STRONG TO SEVERE STORMS COULD DEVELOP...MAINLY DURING THE HEAT OF THE DAY. GUSTY WINDS IN EXCESS OF 50 MPH...AND LOCALLY HEAVY RAINS WILL BE THE MAIN THREATS. NO HAZARDOUS WEATHER IS EXPECTED FOR THE REST OF THE WEEK...AS DRIER AND SLIGHTLY COOLER AIR MOVES IN BEHIND PASSAGE OF THE COLD FRONT. THE REMNANTS OF TROPICAL STORM ALEX ARE NOT EXPECTED TO AFFECT THE SOUTHERN APPALACHIANS REGION DURING THIS PERIOD. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND EVENING. TG
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 645 PM EDT MON JUN 28 2010 TNZ013-014-037-282330- CAMPBELL TN-CLAIBORNE TN-UNION TN- 645 PM EDT MON JUN 28 2010 ...SIGNIFICANT WEATHER ADVISORY FOR CLAIBORNE...CAMPBELL AND UNION COUNTIES UNTIL 730 PM EDT... AT 642 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES EAST OF HUNTSVILLE TO 9 MILES SOUTHEAST OF LA FOLLETTE...AND MOVING EAST AT 25 MPH. WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...ELK VALLEY...NORRIS LAKE...FINCASTLE...SHARPS CHAPEL...JELLICO...ROSE HILL...WHITE OAK AND CLAIRFIELD. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. DGS
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
720 PM EDT MON JUN 28 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0625 PM HAIL 2 S CHURCH HILL 36.50N 82.71W
06/28/2010 E0.25 INCH HAWKINS TN TRAINED SPOTTER
PEA SIZE HAIL,ONE AND ONE HALF INCHES OF RAIN IN 20
MINUTES. STRONG WINDS NEAR MOUNTAIN SCHOOL ROAD.
0625 PM HAIL KINGSPORT 36.53N 82.56W
06/28/2010 E0.50 INCH SULLIVAN TN TRAINED SPOTTER
DIME SIZE HAIL, ESTIMAED 40-45 MPH WINDS. NO LIMBS DOWN.
&&
SROBERTSSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 722 PM EDT MON JUN 28 2010 TNZ012-013-035-290000- CAMPBELL TN-MORGAN TN-SCOTT TN- 722 PM EDT MON JUN 28 2010 ...SIGNIFICANT WEATHER ADVISORY FOR SCOTT...CAMPBELL AND MORGAN COUNTIES UNTIL 800 PM EDT... AT 720 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES WEST OF ONEIDA TO 12 MILES NORTHWEST OF WARTBURG...AND MOVING EAST AT 35 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...ONEIDA... HUNTSVILLE...ELGIN...SLICK ROCK...WINFIELD...NORMA...KETCHEN...SMOKEY JUNCTION...ELK VALLEY...ROYAL BLUE...CARYVILLE AND JELLICO. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. DGS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 803 PM EDT MON JUN 28 2010 TNZ036-067>069-290045- ANDERSON TN-KNOX TN-LOUDON TN-ROANE TN- 803 PM EDT MON JUN 28 2010 ...SIGNIFICANT WEATHER ADVISORY FOR KNOX...ANDERSON...ROANE AND LOUDON COUNTIES UNTIL 845 PM EDT... AT 802 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM OAK RIDGE TO 10 MILES NORTHWEST OF SWEETWATER...AND MOVING EAST AT 25 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...OAK RIDGE... LOUDON...LENOIR CITY...FARRAGUT...PAINT ROCK...BRADBURY... PHILADELPHIA...KARNS AND POWELL. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. IN ADDITION...THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. DGS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 829 PM EDT MON JUN 28 2010 TNZ040-041-070-290100- COCKE SMOKY MOUNTAINS TN-JEFFERSON TN-NORTHWEST COCKE TN- 829 PM EDT MON JUN 28 2010 ...SIGNIFICANT WEATHER ADVISORY FOR COCKE AND JEFFERSON COUNTIES UNTIL 900 PM EDT... AT 828 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES WEST OF NEWPORT...MOVING EAST AT 25 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...NEWPORT AND BYBEE. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. IN ADDITION...THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. DGS
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 842 PM EDT MON JUN 28 2010 TNZ069-071-073-290115- KNOX TN-NORTH SEVIER TN-NW BLOUNT TN- 842 PM EDT MON JUN 28 2010 ...SIGNIFICANT WEATHER ADVISORY FOR SEVIER...BLOUNT AND KNOX COUNTIES UNTIL 915 PM EDT... AT 840 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 6 MILES SOUTH OF KNOXVILLE...MOVING EAST AT 35 MPH. WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...LAKE FOREST... SEYMOUR...KIMBERLIN HEIGHTS AND MCMAHAN. IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. IN ADDITION...THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. DGS
The national radar mosaic for the moment the first event began.
2 strong wind. Local standard time, as filed.
A trained spotter reported a 10 inch diameter tree downed by thunderstorm winds in Powell.
The Daily Times newspaper in Maryland reported several trees and powerlines downed by thunderstorm winds countywide.
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: 241761, 242596.