Heat index values peaked at 105 to 109 degrees in a portion of north central Alabama. By 2 pm, the heat index reached 107 degrees at the Huntsville International Airport.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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.
Heat index values peaked at 105 to 109 degrees in a portion of north central Alabama. By 2 pm, the heat index reached 107 degrees at the Huntsville International Airport.
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 10, 10:37 AM CST, 1 hour 23 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 1137 AM CDT MON AUG 10 2015 .UPDATE... FOR 18Z TAFS && .DISCUSSION... /ISSUED 1054 AM CDT MON AUG 10 2015/ DESPITE THE CLOUD COVER...TEMPS THIS MORNING ARE ABOVE YESTERDAYS TREND WITH MOST LOCATIONS CURRENTLY IN THE LOW/MID 80S. VIS SATELLITE SHOWS A VAST CLOUD SHIELD WITH THE MCS MOVING INTO NW AL. THUS FAR NE AL AND PARTS OF SOUTHERN MIDDLE TN HAVE NOT RECEIVED AS MUCH CLOUD COVER WHICH COULD HELP WITH ADDITIONAL DEVELOPMENT LATER THIS AFTERNOON. BESIDES ADJUSTING CLOUD COVER TO ACCOMMODATE CURRENT TRENDS...DECREASED POPS ACROSS THE BOARD FOR THIS MORNING/EARLY AFTERNOON. THE MCS IS SLOWLY MOVING SE INTO THE TN VALLEY BUT CONTINUES TO WEAKEN AND LIGHTING ACTIVITY HAS ALSO DIMINISHED NEAR THE AL AND TN BORDERS. MOISTURE TRANSPORT WITH THIS SYSTEM WILL RAISE PWATS TOWARDS 2 INCHES BY THIS AFTERNOON. WITH THIS MOISTURE...RAISED DEWPOINTS A LITTLE BIT AND AN INCREASE HAS ALREADY BEGUN. CLOUD COVER WILL HAVE A HAMPER ON TEMPS ESPECIALLY IN NW AL...BUT EVEN WITH CLOUDS MOVING IN ACROSS THE CWA...SHOULD NOT HAVE A PROBLEM REACHING THE UPPER 80S TO LOW 90S TODAY. THEREFORE RAISED TEMPS ACROSS THE BOARD BY A FEW DEGREES. IN TURN THIS ALSO INCREASED THE HEAT INDEX VALUES RANGING FROM THE LOW 90S IN SOUTHERN MIDDLE TN UP TO 104 IN CULLMAN. BETTER INSTABILITY IS CURRENTLY SW OF THE HUN CWA WHERE THE MAIN OUTFLOW BOUNDARIES HAVE PROPAGATED. THIS AFTERNOON VALUES AROUND 2000 J/KG WILL EXPAND ACROSS OUR AREA WHERE OUTFLOW BOUNDARIES AND ADDITIONAL DEVELOPMENT COULD DEVELOP SCATTERED ACTIVITY. SHORT TERM MODELS ARE SHOWING NE AL AND SOUTHERN MIDDLE TN RECEIVING A LITTLE BIT MORE COVERAGE...THEREFORE HAVE INCREASED POPS FOR THIS AFTERNOON. A FEW STORMS COULD BE STRONG WITH GUSTY WINDS AND HEAVY RAINFALL AS THE PRIMARY THREATS. JMS && .AVIATION... FOR 18Z TAFS... SCT-NMRS SHRA AND TSRA WILL DEVELOP THIS AFTERNOON, ESPECIALLY IN NERN AL WHICH MAY BE IN THE VCNTY OF KHSV. TSRA ARE LESS LIKELY AT KMSL, SO HAVE LEFT OUT OF FORECAST ATTM. VFR CONDS SHOULD PREVAIL OUTSIDE OF ANY TSRA ACTIVITY. AK && .HUN WATCHES/WARNINGS/ADVISORIES... AL...NONE. TN...NONE. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WEATHER.GOV/HUNTSVILLE.
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 934 AM CDT MON AUG 10 2015 ALZ001>010-016-TNZ076-096-097-111000- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 934 AM CDT MON AUG 10 2015 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 DEVELOP THIS AFTERNOON INTO THIS EVENING. A FEW OF THE STORMS WILL BE STRONG AND CAPABLE OF GUSTY WINDS, FREQUENT LIGHTNING AND HEAVY DOWNPOURS. THE COVERAGE OF THUNDERSTORMS WILL DECREASE BY LATE THIS EVENING AND END BY LATER TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... SCATTERED THUNDERSTORMS WILL RETURN ON TUESDAY ALONG AND AHEAD OF AN APPROACHING COLD FRONT. A FEW STORMS MAY BE STRONG AND CAPABLE OF GUSTY WINDS AND FREQUENT LIGHTNING. ISOLATED THUNDERSTORMS WILL BE POSSIBLE ONCE AGAIN BEGINNING FRIDAY THROUGH SATURDAY. .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
1216 PM CDT MON AUG 10 2015
ALZ006-009-101800-
MADISON AL-JACKSON AL-
1216 PM CDT MON AUG 10 2015
...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN MADISON AND NORTHWESTERN
JACKSON COUNTIES UNTIL 100 PM CDT...
AT 1215 PM CDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR HAZEL GREEN TO
MERIDIANVILLE TO NEAR MADISON...AND MOVING EAST AT 35 MPH.
WIND GUSTS UP TO 40 MPH WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
HUNTSVILLE...MADISON...MOORES MILL...MERIDIANVILLE...REDSTONE
ARSENAL...HAZEL GREEN...SKYLINE...GURLEY...NEW MARKET AND ALABAMA A
AND M UNIVERSITY.
LAT...LON 3489 8596 3468 8611 3469 8675 3487 8665
3499 8655 3499 8591
TIME...MOT...LOC 1715Z 267DEG 29KT 3499 8651 3487 8659 3475 8672
KULASPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1257 PM CDT MON AUG 10 2015
ALZ009-010-TNZ097-101845-
DE KALB AL-JACKSON AL-FRANKLIN TN-
1257 PM CDT MON AUG 10 2015
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN DE KALB...NORTHERN
JACKSON AND SOUTHEASTERN FRANKLIN COUNTIES UNTIL 145 PM CDT...
AT 1257 PM CDT...DOPPLER RADAR INDICATED A LINE OF STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR COWAN TO 13 MILES WEST
OF STEVENSON TO SKYLINE...AND MOVING EAST AT 35 MPH.
WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.
LOCATIONS IMPACTED INCLUDE...
SCOTTSBORO...BRIDGEPORT...STEVENSON...HOLLYWOOD...SKYLINE...IDER...
PISGAH...ANDERSON...HYTOP AND JERICHO.
**!
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 LINE OF STORMS HAS PASSED.
&&
LAT...LON 3468 8555 3468 8621 3514 8606 3515 8587
3499 8586 3498 8561 3469 8555
TIME...MOT...LOC 1757Z 284DEG 32KT 3512 8604 3494 8606 3479 8611
KULAThe national radar mosaic for the moment the first event began.
1 heat. Local standard time, as filed.
The heat index peaked at 107 degrees at the Huntsville International Airport.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alabama in 2015Every state in 2015This day in weather historyWarnings in Alabama, August 2015
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: 598376.