Thunderstorms with very heavy rainfall resulted in isolated flash flooding in the morning in Jackson County, Alabama in the morning. During the afternoon, an isolated severe thunderstorm knocked a couple of large trees down in Boaz in Marshall 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 with very heavy rainfall resulted in isolated flash flooding in the morning in Jackson County, Alabama in the morning. During the afternoon, an isolated severe thunderstorm knocked a couple of large trees down in Boaz in Marshall 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 18, 5:45 AM CST, 2 hours 30 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 645 AM CDT MON AUG 18 2014 .UPDATE... FOR 12Z TAFS && .DISCUSSION... /ISSUED 425 AM CDT MON AUG 18 2014/ CONVECTIVE CELLS HAVE BEEN DEVELOPING ACROSS THE NRN/WRN PARTS OF THE CNTRL TN VALLEY OVER THE PAST COUPLE OF HRS...WITHIN A LIGHT WNW FLOW REGIME. THIS ACTIVITY WAS BEING DRIVEN BY A WEAK EMBEDDED UPPER DISTURBANCE TRAVERSING ACROSS THE REGION. ADDITIONAL CONVECTION IS XPCTED LATER TODAY...AS A SECONDARY WAVE OVER THE MID SOUTH/LOWER MS VALLEY REGIONS TRANSLATES EWD...RESULTING IN NUMEROUS SHOWERS/TSTMS. WHILE MOISTURE PROFILES LOOK TO BE FAIRLY DENSE NOW AOA H5 THEREBY SOMEWHAT MITIGATING THE THREAT FOR SUDDEN MICROBURSTS...NEAR ZONAL TRANSPORT WINDS AROUND 20KT DOES SUPPORT POSSIBLE CELL TRAINING OF TSTMS. THIS ALREADY LOOKS TO BE DEVELOPING ACROSS SRN MID TN...AND MAY VERY WELL BECOME A THREAT FOR THE REMAINDER OF THE AREA AS THE DAY PROGRESSES. AT THE SFC...A WEAK COLD FRONT IS POSITIONED FROM THE OH VALLEY WWD INTO THE MID PLAINS...WITH THE LATEST MODEL RUNS SUGGESTING THE BOUNDARY REMAINING FAIRLY STAGNANT WELL INTO TUE. CONVECTIVE ACTIVITY SHOULD BEGIN TO GRADUALLY TAPER OFF FROM W TO E THIS EVENING...WITH THE PASSAGE OF THE UPPER DISTURBANCE TO THE ESE. WITH THE FLOW PATTERN REMAINING OUT OF THE NW...ISO SHOWERS/TSTMS WILL AT LEAST REMAIN IN THE FORECAST INTO WED...WITH THE 00Z GLOBAL MODELS HINTING AT SOME ADDITIONAL UPPER WAVES IMPACTING PORTIONS OF THE AREA...BEFORE STRONG UPPER RIDGING OUT OF THE CNTRL/SRN PLAINS STARTS TO TRANSLATE EWD. OVERALL CONDS SHOULD BEGIN TO IMPROVE ON WED WITH THE UPCOMING SFC/UPPER HIGH. LATTER HALF OF THE MODEL GUIDANCE IN FACT HAS AFTERNOON TEMPS CLIMBING WELL INTO THE MID 90S BY MID WEEK...AS THE CENTER OF THE UPPER RIDGE BECOMES ENTRENCHED ACROSS THE CNTRL GULF COAST. AFTERNOON HEAT INDICES BOTH WED AND THU MAY EXCEED THE 100F MARK BY A COUPLE OF DEGREES...BEFORE SLIGHTLY DRIER AIR PERHAPS FILTERS INTO THE AREA. 09 && .AVIATION... FOR 12Z TAFS...LARGE CLUSTERS OF SHRA/TSRA...WITH BRIEF/TEMPO FLIGHT RESTRICTIONS...ARE GRADUALLY MOVING E ACROSS THE CNTRL/ERN HALF OF THE AREA...AND SHOULD EXIT TO THE E WITHIN THE NEXT 1-2 HRS. VFR CONDS SHOULD THEN PREVAIL INTO THE AFTERNOON PERIOD...BEFORE ANOTHER UPPER DISTURBANCE OUT OF THE WNW RESULTS IN SCT/NUM SHRA/TSRA FORMING W TO E. CONVECTION MAY THEN BEGIN TO GRADUALLY TAPER OFF LATER THIS EVENING TO THE E...WITH VFR CONDS PREVAILING INTO THE EARLY MORNING HRS TUE. SOME -BR CANNOT BE RULED OUT OVERNIGHT GIVEN THE XPCTED RAINFALL AND LIGHT WINDS...ALTHOUGH THE PROB IS FAIRLY LOW ATTM. 09 && .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 343 AM CDT MON AUG 18 2014 ALZ001>010-016-TNZ076-096-097-182100- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 343 AM CDT MON AUG 18 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT... NUMEROUS CLUSTERS OF SHOWERS AND THUNDERSTORMS WILL OCCUR THIS MORNING INTO THE AFTERNOON HOURS...AND END TONIGHT. RAINFALL WILL BE HEAVY AT TIMES...AND IN SOME CASES COULD CAUSE SIGNIFICANT PONDING OF WATER OR BRIEF FLASH FLOODING IN POOR DRAINAGE AREAS. GUSTY WINDS AND FREQUENT LIGHTNING WILL ALSO BE POSSIBLE. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... ISOLATED THUNDERSTORMS ARE EXPECTED ON TUESDAY INTO WEDNESDAY. HOT AND MUGGY CONDITIONS ARE EXPECTED FOR THE BALANCE OF THE WEEK. AFTERNOON HIGH TEMPERATURES WILL REACH THE LOWER TO MIDDLE 90S AND HEAT INDEX VALUES MAY APPROACH OR EXCEED 100 DEGREES. .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
506 AM CDT MON AUG 18 2014
ALZ005>007-181045-
MORGAN AL-MADISON AL-LIMESTONE AL-
506 AM CDT MON AUG 18 2014
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MORGAN...SOUTHWESTERN
MADISON AND SOUTHEASTERN LIMESTONE COUNTIES UNTIL 545 AM CDT...
AT 505 AM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM OVER
PRICEVILLE AND DECATUR...MOVING EAST AT 30 MPH.
WINDS IN EXCESS OF 30 MPH AND INTENSE DOWNPOURS WILL OCCUR WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
SOUTHERN HUNTSVILLE...DECATUR...REDSTONE ARSENAL...PRICEVILLE...
TRIANA...MARSHALL SPACE FLIGHT CENTER...HUNTSVILLE INTERNATIONAL
AIRPORT...MOORESVILLE...WHITESBURG AND LACEYS SPRING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
LOCALLY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY
LEAD TO MINOR FLOODING ON ROADS AND IN LOW LYING AREAS. DO NOT DRIVE
YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 3451 8700 3462 8700 3469 8657 3452 8655
3450 8656 3449 8656
TIME...MOT...LOC 1005Z 262DEG 27KT 3458 8692
KULASPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HUNTSVILLE AL 553 AM CDT MON AUG 18 2014 ALZ009-010-181130- DE KALB AL-JACKSON AL- 553 AM CDT MON AUG 18 2014 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN DE KALB AND SOUTHEASTERN JACKSON COUNTIES UNTIL 630 AM CDT... AT 552 AM CDT...DOPPLER RADAR INDICATED A CLUSTER OF THUNDERSTORMS WITH INTENSE DOWNPOURS OVER SCOTTSBORO AND SECTION...MOVING EAST AT 30 MPH. BRIEF WINDS IN EXCESS OF 30 MPH WILL ALSO BE POSSIBLE WITH THESE STORMS. LOCATIONS IMPACTED INCLUDE... SCOTTSBORO...HENAGAR...STEVENSON...HOLLYWOOD...SECTION...IDER... PISGAH...DUTTON...SULPHER SPRINGS AND MARTINTOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... LOCALLY HEAVY RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO MINOR FLOODING ON ROADS AND IN LOW LYING AREAS. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. && LAT...LON 3458 8611 3483 8597 3489 8559 3461 8554 TIME...MOT...LOC 1052Z 266DEG 37KT 3463 8597 KULA
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
719 AM CDT MON AUG 18 2014
ALZ009-181315-
JACKSON AL-
719 AM CDT MON AUG 18 2014
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL AND NORTHERN JACKSON
COUNTY UNTIL 815 AM CDT...
AT 717 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS WITH INTENSE
RAINFALL ALONG AND NORTH OF SKYLINE...SCOTTSBORO AND
BRIDGEPORT...MOVING EAST AT 35 MPH. HEAVY DOWNPOURS WILL REDUCE
VISIBILITY AND CAUSE WATER TO POND QUICKLY ON AREA ROADS.
LOCATIONS IMPACTED INCLUDE...
BRIDGEPORT...SOUTH PITTSBURG...STEVENSON...HOLLYWOOD...SKYLINE...
PLEASANT GROVES...HYTOP...ORME...HOLLYTREE AND PRINCETON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MINOR FLOODING ON ROADS AND IN LOW LYING AREAS IS POSSSIBLE. DO NOT
DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.
&&
LAT...LON 3483 8563 3475 8566 3475 8569 3473 8570
3473 8635 3494 8631 3495 8629 3492 8627
3497 8630 3499 8630 3499 8561 3486 8559
TIME...MOT...LOC 1217Z 270DEG 34KT 3483 8605
KULAPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
742 AM CDT MON AUG 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0740 AM FLASH FLOOD 2 NNW WINCHESTER 35.21N 86.12W
08/18/2014 FRANKLIN TN EMERGENCY MNGR
PORTIONS OF OLD ESTILL SPRINGS ROAD GOING INTO THE
WINCHESTER AREA WAS CLOSED.
&&
KWEBERPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
747 AM CDT MON AUG 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0725 AM HEAVY RAIN 5 SE SEWANEE 35.15N 85.87W
08/18/2014 M4.90 INCH FRANKLIN TN COCORAHS
24 HOUR RAINFALL THROUGH 725 AM.
&&
KULAPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
748 AM CDT MON AUG 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0740 AM HEAVY RAIN WINCHESTER 35.19N 86.11W
08/18/2014 E3.88 INCH FRANKLIN TN CO-OP OBSERVER
3.88 INCHES OF RAINFALL WAS REPORTED IN 4 HOURS.
&&
KWEBERThe Northeast Alabama radar (KHTX), 17 km away, was scanning. The volume nearest the first event began at 14:15 UTC.
1 flash flood, 1 thunderstorm wind. Local standard time, as filed.
A portion of County Road 171 in the Talley Branch area in Jackson County, Alabama was washed out due to flash flooding. At least a foot of water was flowing across the road.
Two 30-foot trees were blown down due to 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: 539704, 539706.