A severe thunderstorm knocked down trees across northern portions of Lauderdale 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 severe thunderstorm knocked down trees across northern portions of Lauderdale 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 Jul 12, 2:45 AM CST, 2 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE HUNTSVILLE AL 345 AM CDT MON JUL 12 2010 .SHORT TERM...THROUGH WEDNESDAY... CENTRAL TENN VALLEY IS IN A BREAK IN THE ACTION ATTM. AN INITIAL ROUND OF CONVECTION AROUND MIDNIGHT PASSED MAINLY TO THE N AND WEAKENED MOVING INTO ERN TN. HOWEVER...A 2ND MCS IS APPROACHING FROM WRN TN...AND ANOTHER ROUND OF CONVECTION IS MOVING OUT OF SRN MO/NRN AR. THE FIRST IN A TRAIN OF SHORTWAVES IS CURRENTLY PUSHING ACROSS THE AREA AS WELL...AND THUS MID/UPPER-LVL FLOW /AND CORRESPONDING DEEP-LAYER SHEAR/ IS THE STRONGEST IT HAS BEEN IN WEEKS. WITH CLOUD COVER AND MOISTURE SO PREVALENT...IT IS STILL A VERY MUGGY EVENING...WITH KHSV AND KDCU STILL STUCK AT 80 DEGREES AT 3 AM...AND DEWPOINTS AREAWIDE IN THE LOW-MID 70S. ALL SIGNS STILL POINT TO AN ACTIVE PERIOD FOR THE AREA TODAY/TMRW ESPECIALLY FOR AREAS N OF THE TN RIVER. A WEAK BOUNDARY WILL REMAIN JUST N OF THE HUN CWFA...FOCUSING CONVECTION AS A PARADE OF SHORTWAVES AND REMNANT MCS/MCVS COMBINE WITH PWATS 2 ALMOST STD DEVS ABOVE NORMAL AND RELATIVELY STRONG MID/UPR-LVL FLOW. FOR TODAY...IF ONGOING CONVECTION UPSTREAM DOES NOT ADVECT INTO THE AREA...WOULD EXPECT STORMS TO FIRE READILY ALONG LEFTOVER OUTFLOW BOUNDARIES. BASED ON THE CURRENT TRENDS...HAVE INCREASED TODAY'S POPS FOR MOST OF THE AREA...AND EVEN THESE MAY BE A BIT LOW NORTH OF THE TN RIVER. WILL CARRY SIMILARLY AGGRESSIVE POPS TONIGHT...THOUGH THESE TOO MAY BE TOO LOW IF THE MCS PROMISED BY THE 00Z GFS MATERIALIZES /AND IT IS WORTH NOTING THAT IT DID A GOOD JOB WITH THIS MORNING'S ACTIVITY YESTERDAY/. TUESDAY PROMISES MORE OF THE SAME AS A MORE POTENT SHORTWAVE SWINGS THROUGH THE REGION. GIVEN THE RELATIVELY STRONG SHEAR...GUSTY WINDS WILL REMAIN A THREAT THROUGH THIS TIME FRAME... THOUGH HEAVY RAINFALL WILL ARGUABLY BE A MORE SIGNIFICANT THREAT. TEMPERATURES WILL BE HIT AND MISS DEPENDING ON PCPN COVERAGE...AND THUS HAVE STUCK FAIRLY CLOSE TO MOS CONSENSUS OR JUST A BIT BELOW. IT WILL NOT TAKE MUCH EFFORT TO HEAT UP TODAY...BUT IT MAY BE A STRUGGLE TO SEE MUCH SUNSHINE TOO. DOUBT THAT CLOUDS AND MOISTURE WILL ALLOW TEMPS TO FALL MUCH EITHER OF THE NEXT 2 NIGHTS...SO THE MID 70S LOOK REASONABLE. WX PATTERN WILL QUIET DOWN BY WEDNESDAY AS THE LAST SHORTWAVE EXITS OFF THE ERN SEABOARD AND THE SUBTROPICAL RIDGE BUILDS BACK INTO THE SRN PLAINS/LOWER MS VALLEY WITH A VENGEANCE. THIS SHOULD MARK A RETURN TO MORE TYPICAL SCTD SHOWERS/STORMS ALONG WITH ABOVE-NORMAL TEMPS. .LONG TERM...THURSDAY THROUGH SUNDAY... MOST OF THE EXTENDED PD WILL FEATURE A VERY PERSISTENT PATTERN... WITH THE AREA STUCK BTWN UPPER HIGHS OVER THE SRN PLAINS AND OFF THE SE ATLANTIC COAST. WHILE THE SHEAR AXIS STUCK OVER THE AREA MAY CONTRIBUTE TO EARLIER CONVECTIVE DEVELOPMENT OR KEEP ACTIVITY GOING LONGER INTO THE NIGHT...EXPECT OTHERWISE FAIRLY TYPICAL DIURNAL SHRA/TSRA THROUGHOUT THE PD. THE WRN HIGH WILL GET CLOSE ENOUGH TO MAKE THURSDAY HOT /AT LEAST MID 90S/ ONCE AGAIN...BUT THE REST OF THE PERIOD WILL FEATURE PERSISTENCE HIGHS IN THE LOW/MID 90S...AND SEASONABLE LOWS IN THE LOW/MID 70S. && .PRELIMINARY POINT TEMPS/POPS... HUNTSVILLE 89 74 89 72 93 / 70 50 60 40 30 SHOALS 90 74 90 72 94 / 70 50 60 40 30 VINEMONT 88 72 89 72 92 / 70 50 60 40 30 FAYETTEVILLE 88 74 88 72 92 / 80 50 70 40 30 ALBERTVILLE 87 72 88 71 91 / 70 50 60 40 30 FORT PAYNE 88 73 88 70 91 / 70 50 60 40 30 && .HUN WATCHES/WARNINGS/ADVISORIES... AL...NONE. TN...NONE. && BCC
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HUNTSVILLE AL 500 AM CDT MON JUL 12 2010 ALZ001>010-016-TNZ076-096-097-121800- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 500 AM CDT MON JUL 12 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...TODAY AND TONIGHT... NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED IN SEVERAL WAVES TODAY AND TONIGHT. WITH AN EXTREMELY MOISTURE-RICH AIRMASS IN PLACE...VERY HEAVY RAIN IS LIKELY...ESPECIALLY IN THUNDERSTORMS. A FEW OF THE THUNDERSTORMS WILL ALSO BE CAPABLE OF PRODUCING GUSTY TO DAMAGING WINDS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO TUESDAY...WITH VERY HEAVY RAIN AND GUSTY TO DAMAGING WINDS STILL POSSIBLE. THE CHANCE OF THUNDERSTORMS WILL DECREASE ON WEDNESDAY...BUT A STRONG STORM WITH GUSTY WINDS AND HEAVY RAINFALL WILL REMAIN POSSIBLE. RAIN CHANCES WILL FURTHER DECREASE TOWARD THE END OF THE WEEK...BUT TYPICAL SUMMERTIME...MAINLY AFTERNOON AND EVENING...THUNDERSTORMS ARE STILL EXPECTED EACH DAY FROM THURSDAY THROUGH NEXT WEEKEND. .SPOTTER CALL TO ACTION STATEMENT... FORMAL ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS UNLIKELY. HOWEVER...GIVEN THE POTENTIAL FOR STRONG THUNDERSTORMS AND FLASH FLOODING...SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL ARE STRONGLY ENCOURAGED TO MONITOR WEATHER CONDITIONS AND REPORT ANY SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE. JE
The Columbus AFB radar (KGWX), 125 km away, was scanning. The volume nearest the first event began at 10:46 UTC.
1 thunderstorm wind. Local standard time, as filed.
Several trees were knocked down in a swath 5 to 10 miles northwest and north of Florence. Time estimated by radar.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alabama in 2010Every state in 2010This day in weather historyWarnings in Alabama, July 2010
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: 252505.