A weak boundary lingered across the area which triggered isolated severe thunderstorms 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 weak boundary lingered across the area which triggered isolated severe thunderstorms 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 25, 2:09 PM EST, 51 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 309 PM EDT FRI JUN 25 2010 .SHORT TERM (TONIGHT AND SATURDAY)...DEWPOINT BOUNDARY STRADDLES SOUTHERN THIRD OF MRX CWA AND SHOULD REMAIN IN PLACE THROUGH THE PERIOD. THE AIRMASS HAS DRIED OUT SOME ACROSS NORTHERN AREAS BUT LOW LEVELS REMAIN HUMID. DIURNAL CONVECTION UNDERWAY AND WILL FAVOR AREAS ALONG AND SOUTH OF DP GRADIENT. THUNDERSTORMS ACTIVITY WILL DECREASE TONIGHT. SOME PATCHY LATE NIGHT FOG POSSIBLE. MOST AREAS SHOULD BE ABLE TO GLIMPSE LUNAR ECLIPSE AROUND DAY BREAK. MODELS HAVE CONTINUED TO PROMISE LESS CONVECTION FOR SATURDAY AND HAVE STAYED WITH THAT THEME. HOWEVER...SOUTHERN AREAS MAY HAVE TO BE UPPED IN LATER PACKAGES. MOS TEMP GUIDANCE CLOSE AND HAS STUCK WITH ABOVE NORMAL READINGS. .LONG TERM (SATURDAY NIGHT THROUGH FRIDAY)...FOR SUNDAY...A VERY WARM...MOIST AND UNSTABLE AIRMASS WILL REMAIN ACROSS THE FORECAST AREA WITH ONLY FORCING BEING OROGRAPHIC AND ANY LEFT OVER OUTFLOW BOUNDARIES. WILL CALL FOR CHANCE POPS CENTRAL AND SOUTH WITH SLIGHT CHANCE NORTH. FOR MONDAY...AN UPPER TROUGH WILL DEVELOP OVER THE GREAT LAKES AND OHIO VALLEY WITH ASSOCIATED COLD FRONT MOVING ACROSS THE FORECAST LATE IN THE DAY AND MONDAY NIGHT. WILL CALL FOR SCATTERED TO BROKEN CONVECTION. ENOUGH INSTABILITY WILL WARRANT A CHANCE OF STRONG-SEVERE STORMS BOTH SUNDAY AND MONDAY WITH MAIN CONCERN BEING DAMAGING WINDS AND LOCALIZED HEAVY RAINFALL. FOR TUESDAY...FRONT PULLS EAST OF THE AREA...JUST EAST OF THE SPINE OF THE APPALACHIANS. WILL MAINTAIN A CHANCE OF CONVECTION OVER THE EASTERN-SOUTHERN COUNTIES WITH SLIGHT POP ELSEWHERE. FOR TUESDAY NIGHT THROUGH FRIDAY...A UNSEASONABLE STRONG UPPER TROUGH WILL ESTABLISH ITSELF OVER THE EASTERN HALF OF THE NATION WITH STRONG SURFACE RIDGING INTO THE FORECAST AREA. MODEL SOUNDINGS SHOW A DRY AIRMASS WITH PWS 0.5 INCH OR LESS. DRY CONDITIONS WITH LOW RELATIVE HUMIDITIES AND COOLER THAN NORMAL TEMPERATURES WILL BE THE RULE. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 72 95 73 95 74 / 20 10 10 40 30 KNOXVILLE MCGHEE TYSON AIRPORT, TN 70 95 71 93 73 / 20 10 10 40 30 OAK RIDGE, TN 70 95 72 93 73 / 20 10 10 40 30 TRI CITIES AIRPORT, TN 64 92 65 93 70 / 10 10 10 20 30 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && SON/DH
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 505 AM EDT FRI JUN 25 2010 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-260915- 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- 505 AM EDT FRI JUN 25 2010 /405 AM CDT FRI JUN 25 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. HOWEVER...A WEAKENING FRONTAL BOUNDARY MOVING INTO THE AREA WILL BE A FOCUS FOR A FEW SHOWERS AND THUNDERSTORMS. LOCALLY HEAVY RAINS IN EXCESS OF ONE INCH...AND WIND GUSTS TO 45 MPH COULD OCCUR WITH THE STRONGEST STORMS THIS AFTERNOON. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. TG
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
135 PM EDT FRI JUN 25 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0112 PM TSTM WND DMG MARBLE 35.17N 83.93W
06/25/2010 CHEROKEE NC LAW ENFORCEMENT
ONE TREE DOWN IN MARBLE. REPORTED BY DISPATCH.
&&
FERRELLSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 302 PM EDT FRI JUN 25 2010 TNZ081-082-084-099-100-252000- BLEDSOE TN-BRADLEY TN-HAMILTON TN-MEIGS TN-SEQUATCHIE TN- 302 PM EDT FRI JUN 25 2010 ...SIGNIFICANT WEATHER ADVISORY FOR BRADLEY...HAMILTON...EXTREME EASTERN SEQUATCHIE...EXTREME SOUTHERN MEIGS AND EXTREME SOUTHERN BLEDSOE COUNTIES UNTIL 400 PM EDT/300 PM CDT/... AT 300 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR SODDY-DAISY...OR 13 MILES EAST OF DUNLAP... MOVING EAST AT 5 MPH. SMALL HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM. LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...SODDY-DAISY...SALE CREEK...SHADY GROVE...BIRCHWOOD...HOPEWELL AND MCDONALD. SUSTAINED WINDS OR GUSTS UP TO 40 TO 50 MPH...HAIL OF PEA TO LESS THAN QUARTER 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. DH
The Northeast Alabama radar (KHTX), 93 km away, was scanning. The volume nearest the first event began at 20:01 UTC.
2 thunderstorm wind. Local standard time, as filed.
Law enforcement personnel reported 1 tree downed by thunderstorm winds on Middle Valley Road southeast of Soddy Daisy.
Amateur radio personnel reported 1 tree downed by thunderstorm winds off of Hixson Pike southeast of Soddy Daisy.
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: 230711, 230717.