Thunderstorms developed during the early to mid afternoon hours in southern middle Tennessee and northern Alabama. One of the storms produced wind damage in Madison County.
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 HUN wrote it up.
Thunderstorms developed during the early to mid afternoon hours in southern middle Tennessee and northern Alabama. One of the storms produced wind damage in Madison County.
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 Huntsville, AL wrote its last area forecast discussion before the first event at Jul 10, 1:16 PM CST, 55 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HUNTSVILLE AL 216 PM CDT TUE JUL 10 2012 .DISCUSSION... THE LATEST 19Z SURFACE...RADAR AND IR SATELLITE ANALYSIS INDICATES THAT THE NEARLY STATIONARY BOUNDARY REMAINS ACROSS SOUTHERN MIDDLE TENNESSEE...EXTENDING SOUTHEAST FROM NEAR COLUMBIA...TO NEAR CHATTANOOGA. THE DEMARCATION LINE BETWEEN UPPER 50S TO AROUND 60 DEGREE DEWPOINTS...HOWEVER...IS MUCH FURTHER NORTH...EXTENDING NORTHEAST FROM CGI TO EVV AND THEN FURTHER SOUTHEAST TO NEAR SDF. MODERATELY UNSTABLE CONDITIONS CONTINUE ACROSS THE FORECAST AREA THIS AFTERNOON...WITH FURTHER EXPECTED STORM DEVELOPMENT THROUGH THE EVENING AND INTO THE OVERNIGHT HOURS TONIGHT. WILL KEEP LIKELY POPS FOR THE AREA TONIGHT...AS THE PROXIMITY OF THE BOUNDARY...COMBINED WITH VERY HIGH PWAT VALUES...SHOULD RESULT IN CONTINUED DEVELOPMENT OF SHOWERS AND A FEW STORMS INTO THE OVERNIGHT HOURS. WILL STAY CLOSER TO THE HIGH END INVOLVING GUIDANCE TEMPS TONIGHT. THE NEARLY STATIONARY FRONTAL BOUNDARY WILL REMAIN ACROSS MIDDLE TO SOUTHERN MIDDLE TENNESSEE ON WEDNESDAY...WITH MORE SHOWERS AND THUNDERSTORMS EXPECTED. THIS TROPIC LIKE AIRMASS WILL CONTINUE ACROSS THE AREA ON WEDNESDAY WITH HIGH PWAT VALUES AND THE NECESSARY INGREDIENTS FOR THUNDERSTORM DEVELOPMENT EXPECTED. THE HEAVY RAINFALL POTENTIAL WILL BE THERE FOR THE FORECAST AREA BETWEEN 18Z WEDNESDAY THROUGH 18Z THURSDAY...SO WILL CONTINUE WITH AT LEAST LIKELY POPS FOR THE AREA. THIS PATTERN WILL BE SLOW TO SHIFT AWAY FROM THE AREA...SO WELCOME RAINS WILL BE POSSIBLE INTO FRIDAY FOR THE AREA. EVENTUALLY...THE GFS AND ECMWF MODELS BEGIN TO WASH OUT THE OLD BOUNDARY...WITH MORE DIURNAL PRECIP EXPECTED AS WE HEAD INTO THE UPCOMING WEEKEND. THE ECMWF IS MORE PRONOUNCED WITH THE EVENTUAL RE-DEVELOPMENT OF A SURFACE RIDGE OVER THE SOUTHEAST BY THE END OF THE UPCOMING WEEKEND ...COMPARED TO THE MORE SUBTLE SOLUTION OF THE GFS. HAVE CONTINUED WITH THE SLOW LOWERING OF PRECIP CHANCES FOR THE AREA THROUGH THE EXTENDED FORECAST PERIODS. HAVE BUMPED UP HIGH TEMPS SLIGHTLY TOWARD THE END OF THE EXTENDED FORECAST PERIOD TO BE MORE IN LINE WITH THE GFS TEMP SOLUTION. TT && .AVIATION... /ISSUED 1225 PM CDT TUE JUL 10 2012/ FOR 18Z TAFS...SCT/NUM SHOWERS/TSTMS CONTINUE TO DEVELOP ALONG A WEAK SFC BOUNDARY DRAPED W TO E ACROSS THE AL/TN STATE LINE. CONVECTION HAS YET TO AFFECT THE TWO MAIN TERMINALS...ALTHOUGH THE PROB WILL EXISTS INTO THE EVENING HRS AS THE FRONT DRIFTS SWD. GENERALLY VFR CONDS ARE XPCTED FOR MUCH OF THE PERIOD...ALTHOUGH AMD/UPDATES MAY BE REQUIRED PROVIDED ANY OF THE PRECIP APPROACHES ONE OF THE TAF SITES. 09 && .PRELIMINARY POINT TEMPS/POPS... HUNTSVILLE 72 86 71 87 71 / 60 60 60 60 30 SHOALS 72 88 70 87 70 / 60 60 60 60 30 VINEMONT 71 84 71 85 71 / 60 60 60 60 30 FAYETTEVILLE 71 84 70 84 71 / 60 60 60 60 30 ALBERTVILLE 70 84 70 84 70 / 60 60 60 60 30 FORT PAYNE 70 85 69 86 70 / 60 60 60 60 30 && .HUN WATCHES/WARNINGS/ADVISORIES... AL...NONE. TN...NONE. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WEATHER.GOV/HUNTSVILLE.
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 1150 AM CDT TUE JUL 10 2012 ALZ001>010-016-TNZ076-096-097-111000- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1150 AM CDT TUE JUL 10 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED TO NUMEROUS THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS MUCH OF THE NORTHERN AND EASTERN HALF OF THE OUTLOOK AREA INTO THE AFTERNOON HOURS...AS A WEAK FRONTAL BOUNDARY GRADUALLY MOVES SOUTH. ADDITIONAL THUNDERSTORMS ARE EXPECTED ACROSS THE REMAINDER OF THE AREA INTO THE EVENING PERIOD WITH THE FRONT MOVING SOUTHWARD. SOME STORMS MAY BE STRONG TO MARGINALLY SEVERE...MAINLY ACROSS SOUTHERN MIDDLE TENNESSEE LEADING INTO NORTHEAST ALABAMA...WITH BRIEF DAMAGING WIND GUSTS AND LOCALLY HEAVY RAINFALL THE PRIMARY WEATHER THREATS. LOCALIZED FLOODING MAY ALSO DEVELOP IN AREAS WHICH RECEIVE MULTIPLE ROUNDS OF HEAVY RAINFALL OR THUNDERSTORMS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... THUNDERSTORM ACTIVITY IS EXPECTED TO LINGER THROUGH THE REMAINDER OF THE WEEK...WITH A FRONT REMAINING FAIRLY STAGNANT ACROSS THE AREA. HEAVY RAINFALL AND THE POTENTIAL FOR FLASH FLOODING FROM REPETITIVE THUNDERSTORM ACTIVITY WILL BE THE PRIMARY THREATS DURING THIS PERIOD. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME.
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
114 PM CDT TUE JUL 10 2012
TNZ097-101845-
FRANKLIN-
114 PM CDT TUE JUL 10 2012
...SIGNIFICANT WEATHER ADVISORY FOR FRANKLIN COUNTY UNTIL 145 PM
CDT...
AT 112 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR WOODS RESERVOIR...OR 9 MILES NORTH OF
WINCHESTER...MOVING EAST AT 15 MPH.
WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THIS STORM.
* LOCATIONS IN OR NEAR THE PATH INCLUDE...
WOODS RESERVOIR.
ALTO.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE
STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY.
THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A
WARNING IS ISSUED.
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.
&&
LAT...LON 3535 8603 3532 8600 3532 8596 3526 8589
3525 8622 3533 8624 3535 8621 3534 8620
3536 8618 3537 8615
TIME...MOT...LOC 1814Z 250DEG 11KT 3531 8608SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
137 PM CDT TUE JUL 10 2012
TNZ076-096-097-101915-
FRANKLIN-LINCOLN-MOORE-
137 PM CDT TUE JUL 10 2012
...SIGNIFICANT WEATHER ADVISORY FOR FRANKLIN...LINCOLN AND MOORE
COUNTIES UNTIL 215 PM CDT...
AT 136 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
CLUSTER OF STRONG THUNDERSTORMS FROM CENTRAL LINCOLN COUNTY INTO
NORTHERN FRANKLIN COUNTY...MOVING EAST AROUND 15 MPH.
PENNY SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM.
* LOCATIONS IN OR NEAR THE PATH INCLUDE...
BELVIDERE.
TIMS FORD LAKE.
OAK GROVE.
ESTILL SPRINGS...WINCHESTER.
WOODS RESERVOIR...DECHERD.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE
STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY.
THESE THUNDERSTORMS COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A
WARNING IS ISSUED.
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.
&&
LAT...LON 3539 8625 3535 8624 3535 8622 3534 8620
3537 8615 3531 8593 3518 8585 3517 8586
3509 8650 3523 8658 3540 8627
TIME...MOT...LOC 1836Z 250DEG 11KT 3524 8627SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
209 PM CDT TUE JUL 10 2012
ALZ009-101945-
JACKSON-
209 PM CDT TUE JUL 10 2012
...SIGNIFICANT WEATHER ADVISORY FOR JACKSON COUNTY UNTIL 245 PM
CDT...
AT 205 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR PISGAH...MOVING SOUTHWEST AT 5 MPH.
WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THIS STORM.
* LOCATIONS IN OR NEAR THE PATH INCLUDE...
DUTTON.
SECTION.
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.
&&
LAT...LON 3460 8582 3452 8596 3464 8603 3470 8585
3462 8579
TIME...MOT...LOC 1909Z 051DEG 6KT 3463 8586
KTWSPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
223 PM CDT TUE JUL 10 2012
TNZ097-102000-
FRANKLIN-
223 PM CDT TUE JUL 10 2012
...SIGNIFICANT WEATHER ADVISORY FOR FRANKLIN COUNTY UNTIL 300 PM
CDT...
AT 223 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR SHERWOOD...MOVING SOUTHEAST AT 10 MPH.
WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THIS STORM.
* LOCATIONS IN OR NEAR THE PATH INCLUDE...
SEWANEE.
ANDERSON.
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.
&&
LAT...LON 3521 8586 3499 8586 3499 8592 3511 8604
3524 8593
TIME...MOT...LOC 1923Z 299DEG 10KT 3512 8590
KTWSPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 250 PM CDT TUE JUL 10 2012 ALZ006-008-009-102030- JACKSON-MADISON-MARSHALL- 250 PM CDT TUE JUL 10 2012 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN JACKSON...SOUTHEASTERN MADISON AND NORTHEASTERN MARSHALL COUNTIES UNTIL 330 PM CDT... AT 250 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A CLUSTERS OF STRONG THUNDERSTORMS NEAR LANGSTON AND WOODVILLE MOVING SOUTHWEST AT 10 MPH. WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM. * LOCATIONS IN OR NEAR THE PATH INCLUDE... GRANT...WOODVILLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THIS WEATHER SITUATION. && LAT...LON 3438 8628 3461 8644 3473 8609 3460 8598 TIME...MOT...LOC 1948Z 061DEG 7KT 3459 8614 KTW
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
257 PM CDT TUE JUL 10 2012
ALZ010-102030-
DE KALB-
257 PM CDT TUE JUL 10 2012
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DEKALB COUNTY UNTIL
330 PM CDT...
AT 257 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR COLLINSVILLE...AND WAS NEARLY STATIONARY.
WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THIS STORM.
* LOCATIONS IN OR NEAR THE PATH INCLUDE...
LATHAMVILLE.
RODENTOWN.
ARONA.
STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.
&&
LAT...LON 3424 8581 3423 8584 3420 8584 3419 8584
3420 8610 3420 8611 3423 8611 3436 8590
3425 8580
TIME...MOT...LOC 1954Z 049DEG 8KT 3422 8592
KTWThe Northeast Alabama radar (KHTX), 53 km away, was scanning. The volume nearest the first event began at 20:11 UTC.
2 thunderstorm wind. Local standard time, as filed.
A tree was blown down in Owens Crossroads.
A large sign at the Jet Pep gas station was blown over by thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alabama in 2012Every state in 2012This day in weather historyWarnings in Alabama, July 2012
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: 403451, 403454.