The temperature reached 100 degrees in Muscle Shoals.
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The episode as NWS HUN wrote it up.
The temperature reached 100 degrees in Muscle Shoals.
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 2, 2:14 PM CST, 15 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HUNTSVILLE AL 314 PM CDT FRI SEP 2 2011 .DISCUSSION... TEMPERATURES ACROSS THE TENNESSEE VALLEY ARE CURRENTLY IN THE LOWER TO MIDDLE 90S UNDER PARTLY CLOUDY SKIES. SFC HIGH PRESSURE IS ANCHORED TO THE EAST OF THE AREA ALONG THE GA/SC BORDER...WITH A SFC COLD FRONT DRAPED SOUTHWESTWARD FROM THE GREAT LAKES REGION INTO THE CENTRAL PLAINS. ON THE LATEST IR SATELLITE IMAGERY ATTM...AN AREA OF SHOWERS AND THUNDERSTORMS IS NOTED ALONG THE FRONT TO THE NORTHWEST. IN ADDITION...RECENTLY-NAMED TROPICAL STORM LEE IS CHURNING IN THE GOMEX. AN ACTIVE AND RATHER COMPLEX FORECAST IS ON TAP FOR THE TENNESSEE VALLEY AS THE HOLIDAY WEEKEND COMES TO A CLOSE AND A NEW WORK WEEK BEGINS. RELATIVELY QUIET WEATHER IS EXPECTED FOR THE MAJORITY OF THE UPCOMING HOLIDAY WEEKEND...WITH RAIN CHANCES INCREASING SUNDAY...AND ESPECIALLY MONDAY AND TUESDAY ACROSS THE AREA. HAVE GENERALLY GONE WITH A 60/40 BLEND OF THE ECMWF/GFS FOR THIS FCST PACKAGE. THE EVENTUAL TRACK OF TROPICAL STORM LEE /AND HIS REMNANTS/ WILL BE THE MAIN FORECAST ISSUE WITH THIS FORECAST PACKAGE. MODEL AGREEMENT IS INCREASING SLIGHTLY WITH THE OUTPUT OF THE TRACK...COMING ASHORE IN SOUTH-CENTRAL LA EARLY SUNDAY MORNING...AND THEN MEANDERING TO THE NORTH AND EAST THROUGH THE WEEKEND. AT THE SAME TIME...AN UPPER TROF WILL BEGIN DIGGING OVER THE GREAT LAKES REGION...DRAGGING A COLD FRONT TOWARDS THE TENNESSEE VALLEY. MODEL GUIDANCE IS DECENT REGARDING THE TIMING OF THE APPROACHING COLD FRONT /LATE MONDAY INTO TUESDAY/...BUT ITS INTERACTION WITH THE DECAYING TROPICAL SYSTEM IS YET TO BE DETERMINED. THE MAIN THREATS WITH THIS SYSTEM WILL BE FLOODING CAUSED BY HEAVY RAINFALL AND THE POSSIBILITY FOR TORNADOES /DEPENDING ON THE TRACK OF THE SYSTEM/. HPC PAINTS 5-7 INCHES OF RAINFALL FROM 7AM TODAY THROUGH 7AM WEDNESDAY /THOUGH MOST OF THIS WILL FALL FROM LATE SUNDAY THROUGH EARLY WEDNESDAY/. FLASH FLOODING WILL INITIALLY OCCUR SUNDAY INTO MONDAY...TRANSITIONING INTO A RIVER FLOODING THREAT BY MONDAY INTO TUESDAY /LINGERING INTO WEDNESDAY/. THE TORNADIC THREAT WILL MAINLY BE SUPPORTED IF THE RIGHT-FRONT QUADRANT OF THE DECAYING SYSTEM MOVES OVER THE CWA. SOUNDINGS DURING THIS TIME ARE FAIRLY SATURATED...BUT WITH THE LOW LEVEL SHEAR AND UPPER LEVEL SUPPORT...THIS THREAT CANNOT BE RULED OUT. FOR NOW...GIVEN THAT THIS SCENARIO IS STILL A FEW DAYS OUT AND MUCH UNCERTAINTY REMAINS FOR THIS PORTION OF THE FORECAST...MADE ONLY MINOR CHANGES TO THE CURRENT FORECAST PACKAGE. HAVE INCREASED POPS FROM SUNDAY /UPPED TO CHANCE POPS/ AND AGAIN MONDAY INTO TUESDAY /NOW INCREASED TO DEFINITE CHANCES FOR SHRA/TSRA/. MINOR TWEAKS WERE ALSO MADE TO MORNING LOWS DURING THIS TIME TO INCREASE THEM A FEW DEGREES GIVEN THE TRAPPED INSOLATION DUE TO CLOUD COVER OVERNIGHT. THE FORECAST WILL LIKELY EVOLVE AS THE TRACK OF TS LEE MATERIALIZES OVER THE NEXT 24-36 HOURS. STAY TUNED FOR FURTHER UPDATES REGARDING THIS UNFOLDING WEATHER SITUATION. && .HYDROLOGY...A HYDROLOGIC OUTLOOK WAS ISSUED TODAY HIGHLIGHTING THE THREAT FOR BOTH FLASH FLOODING AND RIVER FLOODING EXPECTED EARLY NEXT WEEK IN ASSOCIATION WITH DECAYING TROPICAL STORM. A FLOOD WATCH WILL LIKELY BE ISSUED BY TOMORROW AFTERNOON TO ENCOMPASS THE TIME FRAME FROM OVERNIGHT SUNDAY THROUGH TUESDAY...BUT THIS WILL OFFICIALLY BE DETERMINED BY LATER SHIFTS. && .PRELIMINARY POINT TEMPS/POPS... HUNTSVILLE 69 95 71 87 70 / 10 10 10 50 80 SHOALS 70 97 72 88 70 / 10 10 10 50 80 VINEMONT 69 94 71 85 70 / 10 10 10 50 80 FAYETTEVILLE 68 94 68 86 68 / 10 10 10 50 80 ALBERTVILLE 69 94 70 86 69 / 10 10 10 50 80 FORT PAYNE 67 93 68 86 69 / 10 10 10 50 80 && .HUN WATCHES/WARNINGS/ADVISORIES... AL...NONE. TN...NONE. && 12
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE HUNTSVILLE AL 1259 PM CDT FRI SEP 2 2011 ALZ001>010-016-TNZ076-096-097-031000- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 1259 PM CDT FRI SEP 2 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TONIGHT... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY... RAIN AND THUNDERSTORM CHANCES WILL INCREASE FOR THE ENTIRE TENNESSEE VALLEY FROM SUNDAY THROUGH THE MIDDLE OF NEXT WEEK AS ABUNDANT TROPICAL MOISTURE SPREADS NORTHWARD IN ADVANCE OF TROPICAL STORM LEE. A LARGE AMOUNT OF UNCERTAINTY ABOUT THE IMPACTS FOR THE TENNESSEE VALLEY WILL REMAIN UNTIL THIS TROPICAL SYSTEM BECOMES MORE ORGANIZED AND TRACK DETAILS ARE REFINED. BUT AT THIS TIME...THE FORECAST TRACK SUGGESTS THE POTENTIAL FOR A PROLONGED PERIOD OF GUSTY WINDS AND VERY HEAVY RAINFALL LEADING TO INSTANCES OF FLOODING AND FLASH FLOODING. THERE MAY ALSO BE A WINDOW OF TIME WHERE THE THREAT FOR TORNADOES INCREASES ACROSS THE AREA SUNDAY AFTERNOON INTO SUNDAY NIGHT. OVERALL...THE DETERIORATING CONDITIONS MAY BEGIN AS EARLY AS LATE SUNDAY AFTERNOON AND COULD PERSIST THROUGH TUESDAY OR WEDNESDAY. ALL RESIDENTS AND VISITORS ARE URGED TO CLOSELY MONITOR FORECASTS AND ADVISORIES ISSUED FROM THIS OFFICE AND THE NATIONAL HURRICANE CENTER. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL MAY BE POSSIBLE BY EARLY NEXT WEEK. TT/DD
The national radar mosaic for the moment the first event began.
1 heat. Local standard time, as filed.
The temperature reached 100 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 2011Every state in 2011This day in weather historyWarnings in Alabama, September 2011
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: 330167.