A strong cold front produced a squall line across the Ohio, Tennessee and lower Mississippi Valleys during the afternoon and evening hours of the 4th. Ahead of the front, windy conditions developed with wind gusts of 30 to 40 mph.
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.
A strong cold front produced a squall line across the Ohio, Tennessee and lower Mississippi Valleys during the afternoon and evening hours of the 4th. Ahead of the front, windy conditions developed with wind gusts of 30 to 40 mph. The thunderstorms produced numerous reports of minor to moderate wind damage and large hail. Two to just over three inches of rainfall were reported. Much of the rain came with the initial squall line, causing some minor nuisance street flooding. Rainfall and occasional cloud to ground and inter-cloud lightning persisted several hours behind the initial line of strong to severe thunderstorms.
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 Apr 4, 12:48 PM CST, 1 hour 17 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HUNTSVILLE AL
148 PM CDT MON APR 4 2011
.SYNOPSIS...
SEVERE WEATHER IS ONGOING ACROSS THE TENNESSEE VALLEY AT THIS
HOUR...AND WILL OVERSPREAD THE CWA FROM WEST TO EAST THROUGH THE
LATE AFTERNOON AND EVENING HOURS.
THE UPPER LEVEL LOW IS CURRENTLY NORTH OF THE GREAT LAKES REGION
MOVING EASTWARD...WITH A SECONDARY SFC LOW CENTERED OVER SW
ARKANSAS. THE SFC COLD FRONT IS DRAPED SOUTHWESTWARD INTO EAST AND
SOUTHEAST TEXAS. A SQUALL LINE IS MARCHING EASTWARD AHEAD OF THE
FRONT...AND THIS WILL IMPACT THE TENNESSEE VALLEY THIS AFTERNOON AND
INTO THE EVENING HOURS TONIGHT.
A TORNADO WATCH REMAINS IN EFFECT THROUGH 6PM THIS EVENING FOR THE
ENTIRE CWA...AS WELL AS A WIND ADVISORY UNTIL 7PM TONIGHT TO HANDLE
STRONG GRADIENT WINDS /OUTSIDE OF ANY THUNDERSTORM ACTIVITY/.
OTHER THAN THE SEVERE WEATHER IMPACTS IN THE SHORT-TERM PORTION OF
THE FORECAST...SHOWERS/STORMS ARE POSSIBLE THURSDAY INTO FRIDAY
ACROSS THE AREA /POSSIBLY LINGERING INTO THE EARLY PART OF THE
WEEKEND/...WITH ANOTHER SYSTEM ARRIVING TO START THE NEW WORK WEEK.
&&
.DISCUSSION...
AS THE SQUALL LINE ROLLS ACROSS THE AREA...ALL MODES OF SEVERE
WEATHER ARE POSSIBLE THROUGH THIS EVENING. DISCRETE CELLS AHEAD OF
THE LINE WILL BE CAPABLE OF PRODUCING LARGE HAIL...ISOLATED
TORNADOES...AND DAMAGING WINDS. THE SQUALL LINE ITSELF WILL MAINLY
PRODUCE DAMAGING WINDS ACROSS THE AREA...WITH LARGE HAIL POSSIBLE...
AS WELL AS ISOLATED TORNADOES WITH ANY BREAKS IN THE LINE THAT
DEVELOP. HEAVY RAINFALL IS ALSO POSSIBLE WITH THIS STORM SYSTEM AS
IT IMPACTS THE AREA.
ML CAPE VALUES EXCEEDING 1000 J/KG WILL CONTINUE TO INTERACT WITH
BULK SHEAR VALUES OF 45-50KTS. HODOGRAPHS SHOW SUFFICIENT LOW LEVEL
TURNING OF THE WINDS TO CONTINUE TO SUPPORT A TORNADO THREAT IN
DISCRETE CELLS...AS WELL AS WITHIN THE LINE ITSELF. OVER THE NEXT
SEVERAL HOURS...MODELS ARE TRENDING WITH A FASTER MOTION OF THE LINE
ITSELF AS MID-LEVEL WINDS TRANSLATE TO THE SFC. THIS FASTER PACE
WOULD POSSIBLY OVERTAKE ANY DISCRETE CELLS AHEAD OF THE MAIN
LINE...BUT WE WILL CONTINUE TO MONITOR THIS TREND THROUGH THE LATE
AFTERNOON HOURS AND TRY ISSUE MESOSCALE UPDATES AS OFTEN AS POSSIBLE.
THE SQUALL LINE WILL HAVE EXITED THE CWA TO THE EAST BETWEEN 7PM
TONIGHT AND MIDNIGHT...WITH LINGERING POST-FRONTAL SHOWERS POSSIBLE
INTO THE WEE HOURS OF THE MORNING. AS THE UPPER TROF AXIS SWINGS
THRU OVERNIGHT...THE ACTIVITY WILL END FROM WEST TO EAST ACROSS THE
AREA...WITH SKIES BECOMING MOSTLY CLEAR BY SUNRISE.
TEMPERATURES TUESDAY MORNING WILL DIP INTO THE LOWER 40S IN THE
NORTHWEST AND APPROACH THE MIDDLE 50S IN THE SOUTHEASTERN PORTIONS
OF THE CWA. SOME PATCHY FOG IS POSSIBLE TOWARDS SUNRISE AS WINDS
DECOUPLE...SO WILL INCLUDE PATCHY FOG AREA-WIDE TONIGHT AFTER 09Z.
EVEN WITH WINDS ARND 5KTS OVERNIGHT WITH THE PAST FEW SYSTEMS...SOME
PATCHY FOG HAS MANAGED TO DEVELOP...SO WILL INCLUDE THIS IN THE
FORECAST FOR TONIGHT.
WITH HIGH PRESSURE BUILDING IN/CAA IN PLACE TOMORROW WITH SUSTAINED
NORTHWESTERLY WINDS OF 10-15MPH...AFTERNOON HIGHS /DESPITE AMPLE
SUNSHINE/ WILL ONLY REACH INTO THE UPPER 50S TO NEAR 60 IN MOST
LOCATIONS. WITH CLEAR SKIES OVERNIGHT TUESDAY INTO WEDNESDAY...
RADIATIONAL COOLING AND CALM WINDS WILL ALLOW LOWS WEDNESDAY MORNING
TO BE THE COOLEST OF THE FORECAST PACKAGE...DIPPING INTO THE MIDDLE
TO UPPER 30S.
AFTER A COOL START TO THE DAY THURSDAY...THE SUBTROPICAL HIGH OVER
THE SRN GOMEX WILL STRENGTHEN...ALLOWING SOUTHERLY FLOW TO DEVELOP
ACROSS THE AREA. AT THE SAME TIME...A DEEPENING UPPER LOW OVER THE
ROCKIES WILL EJECT NORTHEASTWARD TOWARDS THE GREAT LAKES REGION.
WITH THE AREA IN U/L NORTHWESTERLY FLOW...A DISTURBANCE WILL GRAZE
THE AREA THURSDAY NIGHT INTO FRIDAY. THIS WILL PROVIDE ANOTHER
CHANCE FOR SHOWERS AND ISOLATED THUNDERSTORMS FRIDAY. SHOWERS AND
STORMS WILL POSSIBLY LINGER INTO SATURDAY...MAINLY NORTH OF THE
TENNESSEE RIVER. THAT BEING SAID...MODEL AGREEMENT WITH THIS FEATURE
IS POOR...SO WILL LEAVE THE CURRENT FORECAST DURING THIS TIMEFRAME
AS-IS.
WITH SOUTHERLY FLOW STRENGTHENING LATER THIS WEEK...TEMPERATURES
FRIDAY THROUGH THE WEEKEND WILL BE IN THE UPPER 70S/LOWER 80S WITH
OVERNIGHT LOWS IN THE LOWER 60S.
LATE IN THE EXTENDED...ANOTHER UPPER LEVEL SYSTEM WILL DEEPEN ACROSS
THE INTERMOUNTAIN WEST AND EJECT NORTHEASTWARD ACROSS THE CENTRAL
PLAINS INTO THE GREAT LAKES REGION. THIS SYSTEM WILL DRAG ANOTHER
COLD FRONT ACROSS THE AREA TO START THE NEW WORK WEEK. MODEL
AGREEMENT WITH THE TIMING OF THIS SYSTEM IS POOR...WITH THE FASTER
SOLUTIONS SUGGESTING SUNDAY INTO MONDAY AND THE SLOWER SOLUTIONS
SUGGESTING LATE MONDAY INTO TUESDAY. FOR NOW...WILL LEAVE THIS
PORTION OF THE FORECAST AS-IS PENDING FURTHER MODEL AGREEMENT OVER
THE COMING DAYS.
&&
.PRELIMINARY POINT TEMPS/POPS...
HUNTSVILLE 42 60 37 72 48 / 80 0 0 0 0
SHOALS 41 61 36 73 50 / 50 0 0 0 0
VINEMONT 42 59 39 70 49 / 80 0 0 0 0
FAYETTEVILLE 40 59 35 71 47 / 80 0 0 0 0
ALBERTVILLE 43 60 38 71 49 / 90 0 0 0 0
FORT PAYNE 44 59 35 71 46 / 90 0 0 0 0
&&
.HUN WATCHES/WARNINGS/ADVISORIES...
AL...WIND ADVISORY UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING ZONES:
COLBERT...CULLMAN...DEKALB...FRANKLIN AL...JACKSON...
LAUDERDALE...LAWRENCE...LIMESTONE...MADISON...MARSHALL...
MORGAN.
TN...WIND ADVISORY UNTIL 7 PM CDT THIS EVENING FOR THE FOLLOWING ZONES:
FRANKLIN TN...LINCOLN...MOORE.
&&
12HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HUNTSVILLE AL 222 PM CDT MON APR 4 2011 ALZ001>010-016-TNZ076-096-097-050200- LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN- MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN- 222 PM CDT MON APR 4 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS OF SOUTHERN MIDDLE TENNESSEE. .DAY ONE...THIS AFTERNOON AND TONIGHT... A LINE OF STRONG TO SEVERE THUNDERSTORMS HAS OVERSPREAD NORTHWEST ALABAMA AND WILL CONTINUE TO DEVELOP AND TRACK EAST THIS AFTERNOON. DAMAGING WINDS AND VERY HEAVY RAIN ARE THE MAIN THREATS AT THIS TIME. HOWEVER...THE POTENTIAL FOR TORNADOES DEVELOPING JUST AHEAD AND ALONG OF THIS LINE WILL EXIST...CONSIDERING THE FAVORABLE LOW LEVEL ENVIRONMENT. SEVERE WEATHER IMPACTS WILL AFFECT THE I-65 CORRIDOR...INCLUDING THE HUNTSVILLE AND DECATUR AREAS BETWEEN 3 AND 4 PM. AREAS ALONG A LINE...FROM CULLMAN TO GUNTERSVILLE TO SCOTTSBORO...WILL EXPERIENCE SEVERE WEATHER CONDITIONS BETWEEN 4 AND 6 PM...AND FOR AREAS FURTHER EAST ALONG THE I-59 CORRIDOR...BETWEEN 5 AND 7 PM. THE SEVERE WEATHER THREAT WILL DIMINISH ACROSS THE AREA FROM WEST TO EAST DURING THE EVENING HOURS AS A COLD FRONT CROSSES THE AREA. IN ADDITION TO THE SEVERE THREAT...GUSTY WINDS 25 TO 35 MPH WITH HIGHER GUSTS TO 45 MPH WILL OCCUR THROUGH AT LEAST 7 PM THIS EVENING. A WIND ADVISORY REMAINS IN EFFECT THROUGH 7 PM CDT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY... THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. A FEW THUNDERSTORMS ARE POSSIBLE ON FRIDAY AND FRIDAY NIGHT. .SPOTTER CALL TO ACTION STATEMENT... ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL...IN SUPPORT OF SEVERE WEATHER OPERATIONS IS REQUESTED THIS AFTERNOON INTO THE EARLY EVENING. SS/KDW/DJN
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
232 PM CDT MON APR 04 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0157 PM TSTM WND DMG CHEROKEE 34.76N 87.97W
04/04/2011 COLBERT AL EMERGENCY MNGR
NUMEROUS TREES BLOWN DOWN ON THE NORTHERN SIDE OF
CHEROKEE AND THE MARGERUM AREAS.
&&
KWEBERPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
234 PM CDT MON APR 04 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0230 PM TSTM WND GST MUSCLE SHOALS 34.74N 87.67W
04/04/2011 M60 MPH COLBERT AL ASOS
52 KNOT GUST MEASURED AT KMSL
&&
AMINPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HUNTSVILLE AL
235 PM CDT MON APR 04 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0113 PM NON-TSTM WND DMG 5 WSW HUNTSVILLE 34.70N 86.66W
04/04/2011 MADISON AL PUBLIC
SEVERAL TREES WERE BLOWN DOWN ON GOSS ROAD NEAR THE
OFFICERS CLUB AT THE REDSTONE ARSENAL.
0142 PM HAIL N RUSSELLVILLE 34.51N 87.73W
04/04/2011 E0.88 INCH FRANKLIN AL LAW ENFORCEMENT
NICKEL SIZE HAIL WAS REPORTED AT THE RUSSEVILLE JAIL.
0145 PM HAIL RUSSELLVILLE 34.51N 87.73W
04/04/2011 E0.25 INCH FRANKLIN AL LAW ENFORCEMENT
PEA SIZE HAIL WAS REPORTED AT THE RUSSELLVILLE POLIC
DEPARTMENT.
0150 PM HAIL ATHENS 34.80N 86.97W
04/04/2011 E0.50 INCH LIMESTONE AL EMERGENCY MNGR
DIME SIZE HAIL WAS REPORTED IN ATHENS.
0157 PM TSTM WND DMG CHEROKEE 34.76N 87.97W
04/04/2011 COLBERT AL EMERGENCY MNGR
NUMEROUS TREES BLOWN DOWN ON THE NORTHERN SIDE OF
CHEROKEE AND THE MARGERUM AREAS.
0230 PM TSTM WND GST MUSCLE SHOALS 34.74N 87.67W
04/04/2011 M60.00 MPH COLBERT AL ASOS
52 KNOT GUST MEASURED AT KMSL
&&
AMINPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HUNTSVILLE AL
238 PM CDT MON APR 04 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0113 PM NON-TSTM WND DMG 5 WSW HUNTSVILLE 34.70N 86.66W
04/04/2011 MADISON AL PUBLIC
SEVERAL TREES WERE BLOWN DOWN ON GOSS ROAD NEAR THE
OFFICERS CLUB AT THE REDSTONE ARSENAL.
0142 PM HAIL N RUSSELLVILLE 34.51N 87.73W
04/04/2011 E0.88 INCH FRANKLIN AL LAW ENFORCEMENT
NICKEL SIZE HAIL WAS REPORTED AT THE RUSSEVILLE JAIL.
0145 PM HAIL RUSSELLVILLE 34.51N 87.73W
04/04/2011 E0.25 INCH FRANKLIN AL LAW ENFORCEMENT
PEA SIZE HAIL WAS REPORTED AT THE RUSSELLVILLE POLIC
DEPARTMENT.
0150 PM HAIL ATHENS 34.80N 86.97W
04/04/2011 E0.50 INCH LIMESTONE AL EMERGENCY MNGR
DIME SIZE HAIL WAS REPORTED IN ATHENS.
0157 PM TSTM WND DMG CHEROKEE 34.76N 87.97W
04/04/2011 COLBERT AL EMERGENCY MNGR
NUMEROUS TREES BLOWN DOWN ON THE NORTHERN SIDE OF
CHEROKEE AND THE MARGERUM AREAS.
0230 PM TSTM WND GST MUSCLE SHOALS 34.74N 87.67W
04/04/2011 M60.00 MPH COLBERT AL ASOS
52 KNOT GUST MEASURED AT KMSL
0234 PM HAIL ATHENS 34.80N 86.97W
04/04/2011 M0.50 INCH LIMESTONE AL TRAINED SPOTTER
DIME SIZE HAIL REPORTED AT ATHENS STATE UNIVERSITY.
&&
AMINPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HUNTSVILLE AL
245 PM CDT MON APR 04 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0113 PM NON-TSTM WND DMG 5 WSW HUNTSVILLE 34.70N 86.66W
04/04/2011 MADISON AL PUBLIC
SEVERAL TREES WERE BLOWN DOWN ON GOSS ROAD NEAR THE
OFFICERS CLUB AT THE REDSTONE ARSENAL.
0142 PM HAIL N RUSSELLVILLE 34.51N 87.73W
04/04/2011 E0.88 INCH FRANKLIN AL LAW ENFORCEMENT
NICKEL SIZE HAIL WAS REPORTED AT THE RUSSEVILLE JAIL.
0145 PM HAIL RUSSELLVILLE 34.51N 87.73W
04/04/2011 E0.25 INCH FRANKLIN AL LAW ENFORCEMENT
PEA SIZE HAIL WAS REPORTED AT THE RUSSELLVILLE POLIC
DEPARTMENT.
0150 PM HAIL ATHENS 34.80N 86.97W
04/04/2011 E0.50 INCH LIMESTONE AL EMERGENCY MNGR
DIME SIZE HAIL WAS REPORTED IN ATHENS.
0157 PM TSTM WND DMG CHEROKEE 34.76N 87.97W
04/04/2011 COLBERT AL EMERGENCY MNGR
NUMEROUS TREES BLOWN DOWN ON THE NORTHERN SIDE OF
CHEROKEE AND THE MARGERUM AREAS.
0230 PM TSTM WND GST MUSCLE SHOALS 34.74N 87.67W
04/04/2011 M60.00 MPH COLBERT AL ASOS
52 KNOT GUST MEASURED AT KMSL
0234 PM HAIL ATHENS 34.80N 86.97W
04/04/2011 M0.50 INCH LIMESTONE AL TRAINED SPOTTER
DIME SIZE HAIL REPORTED AT ATHENS STATE UNIVERSITY.
0240 PM TSTM WND GST WHITEHEAD 34.89N 87.33W
04/04/2011 E60.00 MPH LAUDERDALE AL TRAINED SPOTTER
SPOTTER REPORTS ESTIMATED 60 MPH WIND GUST. REPORT
RELAYED BY AMATEUR RADIO.
&&
AMINPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HUNTSVILLE AL
257 PM CDT MON APR 04 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0113 PM NON-TSTM WND DMG 5 WSW HUNTSVILLE 34.70N 86.66W
04/04/2011 MADISON AL PUBLIC
SEVERAL TREES WERE BLOWN DOWN ON GOSS ROAD NEAR THE
OFFICERS CLUB AT THE REDSTONE ARSENAL.
0142 PM HAIL N RUSSELLVILLE 34.51N 87.73W
04/04/2011 E0.88 INCH FRANKLIN AL LAW ENFORCEMENT
NICKEL SIZE HAIL WAS REPORTED AT THE RUSSEVILLE JAIL.
0145 PM HAIL RUSSELLVILLE 34.51N 87.73W
04/04/2011 E0.25 INCH FRANKLIN AL LAW ENFORCEMENT
PEA SIZE HAIL WAS REPORTED AT THE RUSSELLVILLE POLIC
DEPARTMENT.
0150 PM HAIL ATHENS 34.80N 86.97W
04/04/2011 E0.50 INCH LIMESTONE AL EMERGENCY MNGR
DIME SIZE HAIL WAS REPORTED IN ATHENS.
0157 PM TSTM WND DMG CHEROKEE 34.76N 87.97W
04/04/2011 COLBERT AL EMERGENCY MNGR
NUMEROUS TREES BLOWN DOWN ON THE NORTHERN SIDE OF
CHEROKEE AND THE MARGERUM AREAS.
0230 PM TSTM WND GST MUSCLE SHOALS 34.74N 87.67W
04/04/2011 M60.00 MPH COLBERT AL ASOS
52 KNOT GUST MEASURED AT KMSL
0234 PM HAIL ATHENS 34.80N 86.97W
04/04/2011 M0.50 INCH LIMESTONE AL TRAINED SPOTTER
DIME SIZE HAIL REPORTED AT ATHENS STATE UNIVERSITY.
0240 PM TSTM WND GST WHITEHEAD 34.89N 87.33W
04/04/2011 E60.00 MPH LAUDERDALE AL TRAINED SPOTTER
SPOTTER REPORTS ESTIMATED 60 MPH WIND GUST. REPORT
RELAYED BY AMATEUR RADIO.
0245 PM TSTM WND DMG LESTER 34.99N 87.15W
04/04/2011 LIMESTONE AL TRAINED SPOTTER
TWO TREES DOWN 5 MILES SOUTH OF THE LAUDERDALE COUNTY
LINE AT THE TENNESSEE STATE LINE IN WESTERN LIMESTONE
COUNTY BETWEEM SALEM AND LESTER.
&&
AMINThe Northeast Alabama radar (KHTX), 72 km away, was scanning. The volume nearest the first event began at 20:03 UTC.
9 thunderstorm wind, 1 lightning. Local standard time, as filed.
Thunderstorm winds knocked trees down on U.S. Highway 64 between Fayetteville and Frankewing.
Thunderstorm winds tore shingles off the roof of the community center in Boonshill.
Severe winds overturned and destroyed a camper trailor along Highway 64 - Mile Marker 8 near Boonshill.
Thunderstorm winds tore tin off of a barn and knocked a cedar tree down on Barnes Hollow Road.
Thunderstorm winds tore tin off of a home at the 300 block of West Market Street in Fayetteville.
Damaging straight-line winds knocked down numerous trees across Moore County.
Thunderstorm winds knocked a tree down at a lawn and garden center on U.S. Highway 431.
Thunderstorm winds knocked a tree down onto State Highway 129 at Shelby Highway.
Thunderstorm winds knocked a tree down onto County Road 244.
Lightning struck a home at the 100 block of Tanglewood Trail in Estill Springs. The lightning penetrated the roof and ceiling of the home in multiple locations and caused significant damage. 911 call at 649 pm CST, but CG lightning data from NCDC/Severe Weather Data Inventory at this location was at 642 pm CST.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Tennessee in 2011Every state in 2011This day in weather historyWarnings in Tennessee, April 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: 312074, 312087, 309593, 312079, 312077, 309598, 312076, 312084, 312082, 311605.