A small cluster of thunderstorms produced wind damage in Franklin County, Alabama. Trees and power lines were knocked down in parts of the county.
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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.
A small cluster of thunderstorms produced wind damage in Franklin County, Alabama. Trees and power lines were knocked down in parts of the 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 Aug 17, 5:58 PM CST, 2 hours 21 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HUNTSVILLE AL 658 PM CDT SUN AUG 17 2014 .UPDATE... FOR 00Z TAFS && .DISCUSSION... /ISSUED 330 PM CDT SUN AUG 17 2014/ ONE AREA OF SHOWERS/THUNDERSTORMS CONTINUED MOVING ACROSS THE GREATER HUNTSVILLE FORECAST AREA AS OF THIS WRITING...EXTENDING FROM NEAR CHATTANOOGA...TO WEST OF THE I-59 CORRIDOR OF NE ALABAMA. GIVEN PRECIP WATER VALUES JUMPING TO OR 2 INCHES ACCOMPANYING AND WEST OF THESE SHOWERS...LOCALLY HEAVY RAIN AND GUSTY WINDS HAVE OCCURRED. FREQUENT TO CONTINUOUS LIGHTNING WAS ALSO OCCURRING IN THE STRONGER CELLS...A FACTOR SOMETIMES NOTED IN SITUATIONS THAT INVOLVE VERY HUMID AIRMASSES. BIG PICTURE WISE...AN UPPER DISTURBANCE...THE FIRST IN A SERIES WAS MOVING ACROSS THE OHIO VALLEY. AN UPPER LOW THAT WAS PART OF A BLOCK THAT WAS SITUATED OVER THE PAC NW LAST WEEK...THAT HAD MOVED TO EASTERN SASKATCHEWAN...WILL SEND MORE DISTURBANCES THIS DIRECTION OVER THE NEXT COUPLE OF DAYS. A SOUTHERLY FLOW CONTINUED TO BRING PLENTY OF GULF MOISTURE NORTHWARD ACROSS THE TENNESSEE VALLEY... WITH 70 OR GREATER DEWPOINT VALUES NOW PREVALENT ACROSS MOST OF THE FORECAST AREA. A FRONTAL BOUNDARY ASSOCIATED WITH THE OHIO VALLEY UPPER DISTURBANCE WILL SAG A BIT FURTHER SOUTH...MAYBE ACROSS NORTHERN TENNESSEE AND BECOME STATIONARY ON MON...THEN MOVE BACK TO THE NORTH DURING TUE. MODEL OUTPUT WAS SHOWING MORE DISTURBANCES MOVING THIS DIRECTION IN A PREVAILING WNW FLOW. FORECASTS OF WHEN/WHERE/HOW MUCH RAINFALL OF COURSE ARE SPREAD ACROSS THE BOARD. GOING WITH CONTINUITY BEST SHOWN BY THE GFS...WILL CONTINUE WITH RAIN CHANCES TONIGHT AND TOMORROW. THE NAM AND THE HIRES WERE PICKING UP ON MORE SHOWER ACTIVITY TOMORROW AFTERNOON...WITH ECMWF FOLLOWING SUIT. THUS WENT WITH LIKELY POPS MON AFTERNOON. THE NAM WAS GOING WITH HIGH PRECIP AMOUNTS OVER OUR SE AREAS...WHILE THE HIRES WAS MORE ALONG THE AL/TN BORDER...AND THE EC SOMEWHAT DELAYED. RAIN CHANCES FOR THAT PERIOD MAY HAVE TO BE RAISED FOR MON NIGHT AND TUE IF THE EC SOLUTION COMES TO PASS. IN ANY CASE...RAIN CHANCES WILL GRADUALLY DIMINISH TUE-WED AS UPPER LEVEL HIGH PRESSURE BUILDING EASTWARD BEGINS TO EXERT CONTROL OF THE WEATHER. BOTH THE GFS/EC SHOW 500MB HEIGHTS RISING INTO THE 594DM RANGE TOWARDS THE END OF THE WEEK. MOS TEMP FORECAST VALUES FROM LAST NIGHTS EC...AND THIS MORNINGS GFS WERE BOTH SHOWING MID 90S HIGH TEMPERATURES FOR THE MID/LATTER PORTIONS OF THE WEEK. THESE TEMPS...ALONG WITH DEWPOINT VALUES AROUND 70...WILL YIELD HEAT INDICES AROUND 100 FOR MUCH OF THE AREA LATER THIS WEEK. HAVE STAYED WITH A DRY FORECAST DURING THIS TIME. RSB && .AVIATION... FOR 00Z TAFS...THERE IS A SFC LOW OVER SERN MO/SRN IL. RADARS SHOW AN AREA OF CONVECTION OVER WRN TN/NRN MS THAT MAY DRIFT INTO THE KMSL TAF SITE ARND 02Z IF IT HOLDS TOGETHER. THUS WILL GO WITH A TEMPO GROUP FOR KMSL BETWEEN 02Z AND 06Z FOR TSRA. NOT SURE IF THIS CONVECTION WILL MAKE IT TO KHSV. SHRA/TSRA CHANCES INCREASE ONCE AGAIN ON MONDAY (BEGINNING ARND 15Z/16Z) AS ANOTHER UPPER DISTURBANCE MOVES ACROSS THE TN VALLEY. MAINLY VFR CONDITIONS ARE EXPECTED THROUGH 15Z (EXCEPT MVFR IN TSRA)...AFTER 15Z A BETTER CHC OF MVFR CONDITIONS DUE TO TSRA. 07 && .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 805 PM CDT SUN AUG 17 2014 ALZ001>010-016-TNZ076-096-097-181000- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 805 PM CDT SUN AUG 17 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TONIGHT... SCATTERED THUNDERSTORMS WILL BE POSSIBLE THIS EVENING...MAINLY WEST OF INTERSTATE 65. THE THUNDERSTORM ACTIVITY WILL BEGIN TO TAPER OFF AFTER MIDNIGHT. NO SEVERE WEATHER IS EXPECTED BUT SOME SOME STORMS MAY BE CAPABLE OF GUSTY WINDS AND BRIEF HEAVY DOWNPOURS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY... THUNDERSTORM CHANCES WILL CONTINUE ON MONDAY...AS WEAK UPPER DISTURBANCES CONTINUE TO MOVE ACROSS THE REGION. GUSTY WINDS...LOCALLY HEAVY RAINFALL AND FREQUENT LIGHTNING REMAIN POSSIBLE WITH THE STRONGER STORMS. THUNDERSTORMS WILL THEN BEGIN TO DIMINISH ON TUESDAY AS THE LINGERING FRONTAL BOUNDARY IN PLACE ACROSS THE AREA BEGINS TO WEAKEN. FROM MID WEEK THROUGH NEXT SATURDAY...HEAT INDEX VALUES ARE EXPECTED TO RISE TO AROUND 100 DEGREES DURING THE AFTERNOON. .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 847 PM CDT SUN AUG 17 2014 ALZ002-003-180230- COLBERT AL-FRANKLIN AL- 847 PM CDT SUN AUG 17 2014 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN COLBERT AND NORTHWESTERN FRANKLIN COUNTIES UNTIL 930 PM CDT... AT 845 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER MIDWAY MISSISSIPPI...MOVING SOUTHEAST AT 35 MPH. WINDS IN EXCESS OF 30 MPH...FREQUENT LIGHTNING...AND HEAVY RAINFALL WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... BELGREEN...BLOODY SPRINGS...NEW BETHEL...MALONE...CROOKED OAK... SRYGLEY CHURCH...DEMPSEY...RED ROCK...MT HESTER AND POGO. PRECAUTIONARY/PREPAREDNESS ACTIONS... FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE SEVERAL MILES AWAY FROM THE PARENT THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. && LAT...LON 3477 8811 3466 8773 3442 8787 3456 8815 TIME...MOT...LOC 0145Z 295DEG 32KT 3470 8820 SL.77
The Columbus AFB radar (KGWX), 89 km away, was scanning. The volume nearest the first event began at 02:21 UTC.
1 thunderstorm wind. Local standard time, as filed.
Numerous trees and several power lines were downed by thunderstorm winds.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alabama in 2014Every state in 2014This day in weather historyWarnings in Alabama, August 2014
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: 539540.