Temperatures exceeded 100 degrees on the 1st and 2nd of the month of August.
Every event with a place to put it; 3 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.
Temperatures exceeded 100 degrees on the 1st and 2nd of the month of August.
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 1, 12:00 PM CST, 2 hours earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 100 PM CDT WED AUG 1 2012 .UPDATE... FOR 18Z TAFS && .DISCUSSION... /ISSUED ISSUED BY NATIONAL WEATHER SERVICE JACKSON MS/ TEMPERATURES HAVE WARMED INTO THE UPPER 80S ACROSS THE AREA. AS THE TENNESSEE VALLEY REMAINS ON THE EASTER PERIPHERY OF THE UPPER RIDGE...LOW LEVEL TEMPERATURES WILL BE WARM ALLOWING FOR ANOTHER HOT DAY WITH HIGHS IN THE UPPER 90S...NEAR AROUND 100. ENOUGH LOW LEVEL MOISTURE SHOULD LINGER AND THIS WILL ALLOW HEAT INDICES TO REACH 105 OR GREATER FOR WESTERN COUNTIES. THE GOING HEAT ADVISORY THROUGH THIS EVENING LOOKS GOOD AND NO ADJUSTMENTS NEEDED. AFTERNOON SHOWERS AND THUNDERSTORMS LOOK POSSIBLE GIVEN A WEAK SHORTWAVE MOVING ACROSS PORTIONS OF THE REGION. MADE SOME MINOR UPDATES TO ACCOUNT FOR CURRENT TRENDS BUT OTHERWISE THE GOING FORECAST IS IN GOOD SHAPE. /28/ && .AVIATION... FOR 18Z TAFS...VFR CONDITIONS WILL CONTINUE FOR THE AFTERNOON BUT ISOL TSRA MAY DEVELOP ACROSS N AL NEARING 00Z. HAVE NOT INCLUDED THEM IN THE TAFS ATTM BECAUSE COVERAGE/IMPACTS TO TERMINALS SHOULD BE LIMITED. MOIST CONDITIONS WILL LEAD TO ANOTHER ROUND OF FOG DEVELOPMENT AT BOTH SITES...WITH MVFR VIS DEVELOPING AS EARLY AS 07Z AND DIPPING TO NEAR ALT REQ BY 10Z. CONDITIONS ARE EXPECTED TO BE WORSE AT KMSL...ESPECIALLY IF ANY STORMS IMPACT THE AREA. CCC && .HUN WATCHES/WARNINGS/ADVISORIES... AL...HEAT ADVISORY UNTIL 6 PM CDT THIS EVENING FOR ALZ001>004. TN...NONE. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WEATHER.GOV/HUNTSVILLE.
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 146 PM CDT WED AUG 1 2012 ALZ001>010-016-TNZ076-096-097-021000- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 146 PM CDT WED AUG 1 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THE REST OF TODAY AND TONIGHT... HOT AND HUMID CONDITIONS WILL CONTINUE ACROSS THE TENNESSEE VALLEY TODAY AS HEAT INDEX VALUES CLIMB TO BETWEEN 100 AND 105 DEGREES. IN FAR NORTHWEST ALABAMA...TEMPERATURES MAY REACH 100 DEGREES IN A FEW SPOTS...WITH HEAT INDEX VALUES EXCEEDING 105 DEGREES. ISOLATED THUNDERSTORMS WILL POP UP ACROSS THE AREA THROUGH THE AFTERNOON AND EARLY EVENING HOURS. SOME STORMS COULD BECOME STRONG...PRODUCING BRIEF GUSTY WINDS AND HEAVY DOWNPOURS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... THE HOT AND HUMID WEATHER WILL PERSIST THROUGH THE REMAINDER OF THE WEEK. HEAT INDEX VALUES OF 100 TO AROUND 105 DEGREES ARE LIKELY EACH AFTERNOON. ISOLATED TO WIDELY SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL BE POSSIBLE AGAIN ON THURSDAY AND FRIDAY. A GREATER CHANCE OF ORGANIZED THUNDERSTORM ACTIVITY WILL OCCUR OVER THE WEEKEND. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS NOT ANTICIPATED AT THIS TIME. KULA/CCC
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
213 PM CDT WED AUG 1 2012
ALZ009-TNZ076-096-097-011945-
JACKSON AL-MOORE TN-LINCOLN TN-FRANKLIN TN-
213 PM CDT WED AUG 1 2012
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN JACKSON...SOUTH
CENTRAL MOORE...EASTERN LINCOLN AND SOUTHWESTERN FRANKLIN COUNTIES
UNTIL 245 PM CDT...
AT 208 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS
TRACKING A STRONG THUNDERSTORM NEAR LYNCHBURG...MOVING SOUTHEAST
AT 20 MPH.
WIND GUSTS UP TO 30 MPH WILL BE POSSIBLE WITH THIS STORM.
LOCATIONS IMPACTED INCLUDE...
HUNTLAND.
LAT...LON 3529 8628 3500 8599 3485 8626 3494 8631
3495 8629 3492 8627 3493 8626 3494 8626
3498 8631 3499 8631 3499 8634 3519 8646
TIME...MOT...LOC 1908Z 326DEG 16KT 3521 8635
CCCThe national radar mosaic for the moment the first event began.
3 heat. Local standard time, as filed.
The high temperature reached 102 degrees at the Northwest Alabama Regional Airport in Muscle Shoals.
The high temperature reached 100 degrees in Florence.
The high temperature reached 101 degrees at the Northwest Alabama Regional Airport in Muscle Shoals.
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, August 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: 409335, 409348, 409337.