Widely scattered thunderstorms developed along a weak cold front, with an isolated report of wind damage resulting from the thunderstorms.
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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.
Widely scattered thunderstorms developed along a weak cold front, with an isolated report of wind damage resulting from the thunderstorms.
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 Sep 12, 5:58 PM CST, 52 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 658 PM CDT THU SEP 12 2013 .UPDATE... FOR 00Z TAFS && .DISCUSSION... /ISSUED 247 PM CDT THU SEP 12 2013/ THE 19Z SURFACE ANALYSIS INDICATED THAT THE WEAK AND DIFFUSE PRE- FRONTAL TROUGH HAD MOVED SOUTHWARD INTO SOUTHERN MIDDLE TENNESSEE. WIDELY SCATTERED SHRA/EMBEDDED TSRA WAS DEVELOPING ALONG THIS WEAK BOUNDARY. THE TRAILING MAIN COLD FRONT WAS MOVING PROGRESSIVELY SOUTHEAST THROUGH WESTERN THROUGH SOUTH CENTRAL KENTUCKY WITH A WEAK AND BROKEN AREA OF SHRA/TSRA DEVELOPING ALONG THE BOUNDARY. EXPECT THE WIDELY SCATTERED SHRA/TSRA TO CONTINUE TO DROP SOUTHEAST INTO THE FORECAST AREA TONIGHT AND WILL GO WITH AT LEAST A 20 PERCENT POP FOR THE AREA. THE SHORT TERM MODELS ARE SIMILAR INVOLVING MOVING THE COLD FRONT THROUGH THE FORECAST AREA BETWEEN THE 12Z-18Z TIME FRAME ON FRIDAY. WILL KEEP IN MAINLY A MORNING SLIGHT CHANCE OF SHRA/TSRA TO ACCOUNT FOR MINOR FORCING AND INSTABILITY EXPECTED ALONG AND MAINLY AHEAD OF THE COLD FRONT AS IT DROPS SOUTHEAST THROUGH THE FORECAST AREA. IMPROVING CONDITIONS AND A NORTHWEST FLOW WILL FOLLOW THE COLD FRONTAL PASSAGE BY FRIDAY AFTERNOON WITH DEWPOINT TEMPS PROGGED TO DROP THROUGH THE 60S INTO THE MID 50S BY FRIDAY AFTERNOON. HAVE TWEAKED TEMPS DOWNWARD SLIGHTLY FOR FRIDAY NIGHT/SATURDAY WITH DECENT COLD ADVECTION EXPECTED ACROSS THE AREA WITH HIGH PRESSURE AT THE SURFACE AND ALOFT MOVING INTO THE TENNESSEE VALLEY. WILL CONTINUE WITH A TEMP COMPROMISE BETWEEN THE GFS AND THE COOLER NAM NUMBERS THROUGH SUNDAY. THE RIDGE OF HIGH PRESSURE IS PROGGED BY THE MODELS TO WEAKEN BY MONDAY...WITH THE BACK EDGE OF THE RIDGE EXPECTED TO MOVE ACROSS THE FORECAST AREA. WILL FOLLOW CLOSE TO THE ECMWF AND GFS TEMPS INTO THE EXTENDED FORECAST PERIODS WITH A SOUTHERLY LOW LEVEL WIND FLOW SETTING UP ACROSS THE AREA FROM MONDAY THROUGH THE REST OF THE FORECAST. A WEAK MID LEVEL SHORT WAVE IS PROGGED BY THE GFS MODEL TO MOVE EASTWARD INTO THE REGION OUT OF ARKANSAS BY WEDNESDAY. THIS SHOULD RESULT IN INCREASED LOW LEVEL MOISTURE AND HAVE CONTINUED WITH AT LEAST A SLIGHT CHANCE OF SHRA/TSRA THROUGH THURSDAY. TEMPS SHOULD BE FAIRLY CLOSE TO ECMWF AND GFS NUMBERS THROUGH THE END OF THE EXTENDED FORECAST PERIODS...AND ARE GENERALLY ACCEPTED. TT && .AVIATION... THUNDERSTORMS CURRENTLY MOVING THROUGH THE TERMINALS WILL MOVE SOUTH OF KMSL/KHSV AFTER 13/02Z. MVFR CONDS ARE POSSIBLE IN THIS ACTIVITY DURING THIS TIME. AFTER 13/02Z AND THRU THE END OF THE TAF PERIOD, VFR CONDS WILL PREVAIL. 12 && .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 120 PM CDT THU SEP 12 2013 ALZ001>010-016-TNZ076-096-097-131015- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 120 PM CDT THU SEP 12 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... ISOLATED THUNDERSTORMS REMAIN POSSIBLE ACROSS THE CENTRAL TENNESSEE VALLEY THROUGH THE AFTERNOON PERIOD...AS A COLD FRONT APPROACHES FROM THE NORTHWEST. THE PRIMARY THREATS FROM ANY STORMS WILL BE GUSTY WINDS AND OCCASIONAL LIGHTNING. THUNDERSTORM CHANCES WILL CONTINUE INTO THE EVENING HOURS AS THE FRONT BEGINS TO MOVE SOUTHWARD ACROSS THE AREA. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... ISOLATED THUNDERSTORMS WILL REMAIN POSSIBLE FRIDAY MORNING FOR AREAS ALONG AND SOUTH OF A LINE FROM GUNTERSVILLE TO HARTSELLE TO PHIL CAMPBELL...AS THE COLD FRONT PUSHES SOUTH OF THE TENNESSEE VALLEY. ISOLATED THUNDERSTORMS ARE AGAIN POSSIBLE ON WEDNESDAY AS A WEAK UPPER DISTURBANCE APPROACHES THE AREA FROM THE NORTHWEST. .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
732 PM CDT THU SEP 12 2013
ALZ009-010-130100-
DE KALB AL-JACKSON AL-
732 PM CDT THU SEP 12 2013
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL DE KALB AND SOUTHERN
JACKSON COUNTIES UNTIL 800 PM CDT...
AT 727 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM NEAR SCOTTSBORO...MOVING EAST AT 30 MPH.
WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THIS STORM ALONG WITH
HEAVY RAIN.
LOCATIONS IMPACTED INCLUDE...
SCOTTSBORO...RAINSVILLE...SYLVANIA...SECTION...POWELL...PISGAH...
DUTTON...SHILOH AND LANGSTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
STRONG GUSTY WINDS WILL BE CAPABLE OF KNOCKING DOWN SMALL TREE
LIMBS...ALONG WITH OTHER SMALL UNSECURED ITEMS. SEEK SAFE SHELTER
UNTIL THIS STORM HAS PASSED.
HEAVY RAINFALL OCCURRING WITH THIS STORM MAY LEAD TO MINOR FLOODING
ON ROADS AND IN LOW LYING AREAS. DO NOT DRIVE YOUR VEHICLE THROUGH
FLOODED ROADWAYS.
&&
LAT...LON 3443 8581 3451 8610 3453 8611 3453 8615
3460 8615 3460 8624 3473 8620 3469 8574
TIME...MOT...LOC 0027Z 282DEG 25KT 3463 8614
07The Northeast Alabama radar (KHTX), 58 km away, was scanning. The volume nearest the first event began at 00:51 UTC.
1 thunderstorm wind. Local standard time, as filed.
A couple of trees were downed due to thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alabama in 2013Every state in 2013This day in weather historyWarnings in Alabama, September 2013
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: 473653.