Alert archive / Alabama / Flash Flood Warnings in 2011

Flash Flood Warning 23, NWS Huntsville, AL

April 27, 2011Colbert County, Franklin County, Lauderdale County, Alabama

NWS Huntsville, AL issued this flash flood warning at Apr 27, 2011, 10:08 AM CDT for Colbert County, Franklin County, Lauderdale County, Alabama. It was in force for 9 hr. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 27, 2011, 10:08 AM CDT (15:08 UTC)
Expired
Apr 27, 2011, 7:00 PM CDT
In force
9 hr
Issued by
NWS Huntsville, AL
Area
Storm-based polygon
Flood severity
None

Counties Colbert County, AL, Franklin County, AL, Lauderdale County, AL

The radar

The Columbus AFB radar (KGWX), 101 km from the middle of the area, began a volume at 15:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 27, 10:53 AM CDTFLASH FLOOD1 Sw Tuscumbia, ALFLASH FLOODING WITH AT LEAST SIX INCHES OF WATER FLOWING OVER ROADWAYS.
Apr 27, 12:32 PM CDTFLASH FLOODTuscumbia, ALFOUR FEET OF WATER IN RESIDENCE AT 1128 OLD LEE HIGHWAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 2 storm reports to this flash flood warning; the first came 45 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 3.1 hours before the alert went out and 184 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2011-04-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 582 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2011-04-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 261 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
582 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
470 m above ground
0-6 km bulk shear
91 kt
0-1 km storm-relative helicity
261 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

018 
WGUS54 KHUN 271508
FFWHUN
ALC033-059-077-271800-
/O.NEW.KHUN.FF.W.0023.110427T1508Z-110427T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1008 AM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  COLBERT COUNTY IN NORTHWEST ALABAMA...
  FRANKLIN COUNTY IN NORTHWEST ALABAMA...
  WESTERN LAUDERDALE COUNTY IN NORTHWEST ALABAMA...

* UNTIL 100 PM CDT

* AT 1007 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED  
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING INTO THE 
  WARNED AREA. RAINFALL AMOUNTS AROUND TWO INCHES HAVE ALREADY       
  OCCURRED IN PARTS OF THESE AREAS THIS MORNING...AND ANOTHER TWO TO 
  THREE INCHES OF RAINFALL IS POSSIBLE WITH STORMS MOVING INTO THE   
  AREA. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FLORENCE...MUSCLE SHOALS...RED BAY...RUSSELLVILLE...SHEFFIELD...
  TUSCUMBIA...UNDERWOOD-PETERSVILLE...BELGREEN...CHEROKEE...
  LITTLEVILLE AND PHIL CAMPBELL.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

ADDITIONAL RAINFALL AMOUNTS OF TWO TO THREE INCHES ARE POSSIBLE IN 
THE WARNED AREA.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3501 8753 3431 8766 3432 8816 3448 8816
      3489 8810 3492 8814 3501 8820

$$

KDW
3 follow-up statements
940 
WGUS74 KHUN 271611
FFSHUN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1111 AM CDT WED APR 27 2011

ALC033-059-077-271800-
/O.CON.KHUN.FF.W.0023.000000T0000Z-110427T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRANKLIN AL-LAUDERDALE AL-COLBERT AL-
1111 AM CDT WED APR 27 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR COLBERT...WESTERN
LAUDERDALE AND FRANKLIN COUNTIES UNTIL 100 PM CDT...

AT 1110 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. 
RAINFALL AMOUNTS AROUND ONE TO TWO INCHES OVER THE PAST HOUR HAVE 
EXACERBATED THE FLASH FLOODING THREAT. SOME STREET FLOODING HAS BEEN 
REPORTED IN THE MUSCLE SHOALS AND FLORENCE AREAS. ADDITIONAL 
RAINFALL AMOUNTS AROUND ONE TO TWO INCHES ARE POSSIBLE THROUGH THE 
AFTERNOON.  

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
FLORENCE...MUSCLE SHOALS...RED BAY...RUSSELLVILLE...SHEFFIELD...
TUSCUMBIA...UNDERWOOD-PETERSVILLE...BELGREEN...CHEROKEE...LITTLEVILLE
AND PHIL CAMPBELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3501 8753 3431 8766 3432 8816 3448 8816
      3489 8810 3492 8814 3501 8820

$$

KDW
516 
WGUS54 KHUN 271736
FFWHUN
ALC033-059-077-272100-
/O.EXT.KHUN.FF.W.0023.000000T0000Z-110427T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1236 PM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  COLBERT COUNTY IN NORTHWEST ALABAMA...
  FRANKLIN COUNTY IN NORTHWEST ALABAMA...
  WESTERN LAUDERDALE COUNTY IN NORTHWEST ALABAMA...

* UNTIL 400 PM CDT

* AT 1232 PM CDT...LOCAL EMERGENCY MANAGEMENT REPORTED RESIDENTS     
  BEING DISPLACED BY FOUR FEET OF WATER NEAR DOWNTOWN TUSCUMBIA.     
  DOPPLER RADAR ESTIMATES THAT THREE TO FOUR INCHES OF RAIN HAS      
  FALLEN ACROSS MUCH OF COLBERT...FRANKLIN...AND WESTERN LAUDERDALE  
  COUNTIES. THE HEAVIEST RAINFALL MAY SUBSIDE BRIEFLY EARLY          
  THIS AFTERNOON...BUT RUNOFF FROM EARLIER RAINFALL WILL CONTINUE    
  THE FLASH FLOOD THREAT...AND ADDITIONAL VERY HEAVY RAINFALL WILL   
  ARRIVE LATER THIS AFTERNOON.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FLORENCE...MUSCLE SHOALS...RED BAY...RUSSELLVILLE...SHEFFIELD...
  TUSCUMBIA...UNDERWOOD-PETERSVILLE...BELGREEN...CHEROKEE...
  LITTLEVILLE AND PHIL CAMPBELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE 
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS 
SAFELY.

&&

LAT...LON 3501 8753 3431 8766 3432 8816 3448 8816
      3489 8810 3492 8814 3501 8820

$$

BCC
622 
WGUS54 KHUN 272053
FFWHUN
ALC033-059-077-280000-
/O.EXT.KHUN.FF.W.0023.000000T0000Z-110428T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
353 PM CDT WED APR 27 2011

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  COLBERT COUNTY IN NORTHWEST ALABAMA...
  FRANKLIN COUNTY IN NORTHWEST ALABAMA...
  WESTERN LAUDERDALE COUNTY IN NORTHWEST ALABAMA...

* UNTIL 700 PM CDT

* AT 350 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED   
  TO INDICATE THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS          
  NORTHWEST ALABAMA. DOPPLER RADAR ESTIMATES INDICATE THAT SEVERAL   
  INCHES OF RAIN HAS FALLEN IN THE LAST SEVERAL HOURS...AND          
  ADDITIONAL RAIN FROM THUNDERSTORMS IS EXPECTED THROUGH 700 PM.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FLORENCE...MUSCLE SHOALS...RED BAY...RUSSELLVILLE...SHEFFIELD...
  TUSCUMBIA...UNDERWOOD-PETERSVILLE...BELGREEN...CHEROKEE...         
  LITTLEVILLE AND PHIL CAMPBELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3501 8753 3431 8766 3432 8816 3448 8816
      3489 8810 3492 8814 3501 8820

$$

What forecasters said that day

The local office's own words before this flash flood warning went out, 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 this flash flood warning went out at Apr 27, 9:11 AM CDT, 57 minutes earlier.

Area forecast discussion, Apr 27, 9:11 AM CDT, 57 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
911 AM CDT WED APR 27 2011

.UPDATE...MESOSCALE DISCUSSION AND UPDATE.

&&

.DISCUSSION...BUSY DAY ALREADY ACROSS THE TENNESSEE VALLEY WITH
SIGNIFICANT DAMAGE REPORTED EARLIER IN SEVERAL COUNTIES FROM
OVERNIGHT/EARLY MORNING QLCS AND HP SUPERCELLS. NEXT ROUNDS OF SCT
CONVECTION WITH ELEVATED HAIL CORES ALREADY TRACKING INTO NW AL.
STORMS ACROSS NRN MS HAVE SHOWN ROTATION...AND STORMS ACROSS NRN AL
HAVE STARTED TO EXHIBIT HP CHARACTERISTICS AS WELL.

LATEST SFC ANALYSIS SHOWS A COMPLEX LOW STRUCTURE FROM CENTRAL
INDIANA SOUTH TO THE ARKLATEX. THE ASSOCIATED COLD FRONT STRETCHES
SOUTH THROUGH EAST TEXAS. CLOSER TO THE HOME...THE EARLY MORNING
CONVECTION HAS LEFT A SMALL OUTFLOW BOUNDARY ACROSS OUR ERN COUNTIES.
WATER VAPOR IMAGERY AND PROFILER DATA SHOWS AN 80KT MID LEVEL JET
STREAK PUNCHING OUT OF THE ARKLATEX THIS MORNING. CONVECTION HAS
BEGUN TO FIRE ALONG THE APEX OF THIS JET STREAK. THIS WILL BE THE
AREA TO MONITOR THROUGH THE AFTN HOURS AS THE JET STREAK AND THE
ASSOCIATE U/L JET MAX PROGRESSES EAST. THE 12Z NAM SHOWS LARGE SCALE
ASCENT IN THE EXIT REGION OF THE H25 JET DURING THE AFTN. THIS WILL
BE COINCIDENT WITH MLCAPES ~2-2.5 KJ/KG AND LOW LEVEL HELICITY VALUES
IN EXCESS OF 600 M2/S2. THE ONLY MITIGATING FACTOR MAY BE RAIN COOLED
LOW LEVEL AIR DUE TO ONGOING CONVECTION...BUT THIS IS UNCERTAIN ATTM.

AM NOT PLANNING MAJOR CHGS TO FCST FOR NOW OTHER THAN TO TWEAK FOR
CURRENT CONDITIONS AND SHORT TERM TRENDS. TEMPS WILL BE HIGHLY
DEPENDANT ON BREAKS BETWEEN CONVECTIVE CLUSTERS...BUT NOT GOING TO
SWEAT THAT RIGHT NOW.

&&

.HYDROLOGY...HAVE ALREADY UPDATED EXISTING ADVISORY PRODUCTS AND THOSE LOOK
IN DECENT SHAPE. OVERNIGHT CONVECTION DUMPED LOCALLY 2 TO 2.5 INCHES
OF PRECIP ACROSS NW AL. COORDINATION ONGOING WITH LMRFC...AND GROUND
TRUTH PRECIP ALONG WITH EXPECT RAINFALL WOULD TAKE SEVERAL SITES INTO
MODERATE FLOOD. OVERALL...HPC QPF LOOKS PRETTY GOOD WITH 3 TO 5
INCHES FOR THE EVENT.

&&

.PREV DISCUSSION... /ISSUED 545 AM CDT WED APR 27 2011/

..HIGH RISK FOR SEVERE WEATHER TODAY...
..POTENTIAL FOR WIDESPREAD TORNADO OUTBREAK WITH LONG-TRACK
TORNADIC SUPERCELLS TODAY...

UPDATE...FOR 12Z TAFS.

AVIATION...
BAND OF SEVERE THUNDERSTORMS WILL EXIT KHSV VCNTY BFR 12Z.  -RA/RA
WITH EMBEDDED CG LTG WL CONTINUE THRU 13-14Z BEHIND THE LINE.  A
BREAK IN THE ACTIVITY IS EXPECTED BFR ADDITIONAL THUNDERSTORMS DVLP
LATER TODAY WITH A HIGH RISK OF SEVERE WX.

DISCUSSION...A COMPLICATED SCENARIO EVOLVING TODAY WITH INITIAL
CONVECTION ASSOCIATED WITH SIGNIFICANT WIND SHEAR AND INSTABILITY
LIKELY MOVING ACROSS NORTHWEST ALABAMA BY 08-12Z THIS MORNING. THIS
ACTIVITY SHOULD RAPIDLY MOVE ACROSS NORTH CENTRAL AND NORTHEAST
ALABAMA DURING THE MORNING HOURS.

FORECAST MODELS ARE HAVING SOME DIFFICULTY HANDLING THE INSTABILITY,
WIND SHEAR, AND MCV'S MOVING WITHIN THE TROUGH ITSELF. HOWEVER, IT
DOES APPEAR BY CURRENT TRENDS, THAT UPPER LEVEL FORCING WILL BE
SUFFICIENT TO SUPPORT WIDESPREAD CONVECTION TODAY. TURNING TO
INSTABILITY AND WIND SHEAR, THE ENVIRONMENT WILL BE EXTREMELY
UNSTABLE...ESPECIALLY DURING THE AFTERNOON AND EVENING HOURS AHEAD
OF THE COLD FRONT. CURVED HODOGRAPHS AND WIND SHEAR VALUES (AT TIMES
EXTREMELY HIGH) ALONG WITH INSTABILITY PARAMETERS ALL SUPPORT THE
POTENTIAL FOR A WIDESPREAD TORNADO OUTBREAK ACROSS SOUTHERN MIDDLE
TN AND NORTH ALABAMA. JUST TO GIVE FOLKS AN IDEA OF WHAT KIND OF
VALUES WE ARE SEEING BTWN 17-00Z:

1) SBCAPES ARE FORECAST TO BE 2500-3500 J/KG
2) 0-3KM SRH IS FORECAST TO BE 500-700 M2/S2
3) 0-3KM EHIS ARE FORECAST TO BE 4-8 M2/S2 OVER PORTIONS OF N
CENTRAL AL.
4) SFC DEWPOINTS ARE FORECAST TO BE BTWN 65-69F (POSSIBLY INTO THE
LOW 70S) DURING THE DAY.

IN ADDITION, A LLJ OF 65-75 KTS IS FORECAST TO REMAIN ACROSS THE
AREA THROUGHOUT MOST OF THE DAY. THE SFC LOW ASSOCIATED WITH THE
COLD FRONT WILL ALSO MOVE JUST TO THE NORTHWEST OF NW AL FROM S AR
(12Z TODAY) TO CENTRAL TN BY 18-23Z MEANING THAT CELLS CLOSER TO THE
SFC LOW IN THESE CASES TENDS TO DEVELOP OR MAINTAIN TORNADIC
ACTIVITY. UPPER LEVEL DIVERGENCE LOCATED JUST TO THE NE OF THE TN
VALLEY IS ALSO QUITE PRONOUNCED.

THEREFORE, GIVEN ALL OF THE ABOVE INFO., IT DOES APPEAR THAT LONG
TRACK TORNADIC SUPERCELLS ARE LIKELY ACROSS THE TN VALLEY. DAMAGING
WINDS AND LARGE HAIL ARE ALSO LIKELY WITH THESE STORMS. THOUGH HAIL
APPEARS TO BE THE LESSOR OF THE TWO. IT IS DIFFICULT TO SAY EXACTLY
WHEN THE CELLS WILL DEVELOP GIVEN THIS MORNING'S CONVECTION, BUT THE
TIME PERIOD WHEN ALL OF THESE INGREDIENTS APPEAR TO COME TOGETHER
APPEARS TO BE BTWN 17Z-00Z.

AS THE COLD FRONT APPROACHES THE TN VALLEY, EXPECTING AND REMAINING
FAST-MOVING SUPERCELLS TO BE CONGEALED INTO A QLCS WITH DAMAGING
WINDS AND BOWING SEGMENTS TO FINISH OFF THE SEVERE WEATHER THREAT.
THE FROPA TIMING SHOULD BE BTWN 21-03Z ACROSS NW AL (ENTERING) AND
03-06 ACROSS NE AL (EXITING).

AS IF WE NEEDED ANY MORE THREATS...FLASH FLOODING IS ALSO QUITE
LIKELY WITH CELLS TRAINING ALONG THE SAME AREAS ALONG WITH PROLIFIC
RAINFALL PRODUCING SUPERCELLS WOULD ACT TO CAUSE A CHALLENGING
FORECAST PROBLEM. GIVEN THE RECENT RAINFALL OVER NW AL, THOSE AREAS
APPEAR TO HAVE THE HIGHEST THREAT FOR FLASH FLOODING. WILL LEAVE THE
FLASH FLOOD WATCH IN PLACE.

AS MENTIONED PREVIOUSLY, THE LLJ WILL BE QUITE STRONG TODAY WHICH
MAY CAUSE INCREASED WINDS ACROSS THE AREA. THUS, WILL KEEP WIND
ADVISORY IN PLACE AS WELL.

BEHIND THE COLD FRONT CAA SHOULD QUICKLY DRY THE ATMOSPHERE FROM THE
WARM AND MUGGY CONDITIONS FELT TODAY INTO COOLER AND DRY BY LATE
WEDNESDAY NIGHT INTO THURSDAY. DAYTIME HIGHS WILL REGISTER CLOSE TO
THE 70 DEGREE MARK FOR THURSDAY WITH SUNNY CONDITIONS ON THE
BACKSIDE OF THE TROUGH. OVERNIGHT LOWS SHOULD ALSO EXPERIENCE A DROP
INTO THE UPPER 40S TO LOW 50S ON THURSDAY NIGHT WITH DAYTIME HIGHS
RECOVERING INTO THE MID 70S BY FRIDAY WITHIN RIDGE BUILDING. THERE
MAY BE A BRIEF TIME PERIOD OF CLOUDS ON SATURDAY AS A FEW WAVES OF
ENERGY CROSS THE REGION ATOP THE RIDGE. OTHERWISE, CONDITIONS SHOULD
BE PLEASANT WITH HIGHS IN THE LOW 80S FOR BOTH SATURDAY AND SUNDAY.

BY SATURDAY, ANOTHER LONGWAVE TROUGH CROSSING THE PACIFIC NORTHWEST
INTO THE ROCKIES WILL APPROACH THE AREA ON SUNDAY. THE MED RANGE
MODELS ARE CONTINUING TO HAVE TROUBLE WITH THE STRENGTH OF THE RIDGE
OVER THE SOUTHEAST AND THIS IS LIKELY WHY THE TIMING OF THIS SYSTEM
IS CONTINUING TO SLOW THIS SYSTEM DOWN. FOR NOW, WILL TAKE A
COMPROMISE SOLUTION AND TAKE OUT THUNDERSTORMS FOR SUNDAY AND KEEP
THEM FOR SUNDAY NIGHT INTO MONDAY NIGHT.

&&

.HUN WATCHES/WARNINGS/ADVISORIES...
AL...FLASH FLOOD WATCH THROUGH THIS EVENING FOR THE FOLLOWING ZONES:
     COLBERT...CULLMAN...DEKALB...FRANKLIN AL...JACKSON...
     LAUDERDALE...LAWRENCE...LIMESTONE...MADISON...MARSHALL...
     MORGAN.

     WIND ADVISORY UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING ZONES:
     COLBERT...CULLMAN...DEKALB...FRANKLIN AL...JACKSON...
     LAUDERDALE...LAWRENCE...LIMESTONE...MADISON...MARSHALL...
     MORGAN.

TN...FLASH FLOOD WATCH THROUGH THIS EVENING FOR THE FOLLOWING ZONES:
     FRANKLIN TN...LINCOLN...MOORE.

     WIND ADVISORY UNTIL 8 PM CDT THIS EVENING FOR THE FOLLOWING ZONES:
     FRANKLIN TN...LINCOLN...MOORE.

&&

PREV DISCUSSION...SL
DISCUSSION...15
Hazardous weather outlook, Apr 27, 8:10 AM CDT, 1 hour 58 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
810 AM CDT WED APR 27 2011

ALZ001>010-016-TNZ076-096-097-272200-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
810 AM CDT WED APR 27 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH ALABAMA AND PORTIONS
OF SOUTHERN MIDDLE TENNESSEE.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

A TORNADO WATCH IS IN EFFECT FOR NORTHWEST ALABAMA AND NORTH CENTRAL
ALABAMA UNTIL 200 PM CDT.

AS OF 800 AM...A ROUND OF SEVERE STORMS HAS ALREADY TRACKED THROUGH
THE TENNESSEE VALLEY DURING THE OVERNIGHT AND EARLY MORNING HOURS.
SEVERAL ADDITIONAL ROUNDS OF SEVERE WEATHER ARE LIKELY THROUGH THE
DAY AND INTO THE EVENING.

THE ATMOSPHERE WILL QUICKLY DESTABILIZE ONCE AGAIN THIS MORNING AND
THROUGH MIDDAY...CREATING A VOLATILE SITUATION ACROSS THE TENNESSEE
VALLEY TODAY. THE POTENTIAL FOR A SIGNIFICANT SEVERE WEATHER OUTBREAK
WILL INCREASE...ESPECIALLY FROM THE LATE MORNING INTO THE EARLY
EVENING. CLUSTERS OF SEVERE STORMS ARE EXPECTED TO FORM AHEAD
OF...AND ALONG A STRONG COLD FRONT AND MOVE RAPIDLY ACROSS THE
REGION. A POTENTIAL FOR STRONG...LONG TRACK TORNADOES EXISTS...IN
ADDITION TO DAMAGING WINDS...LARGE HAIL AND VERY HEAVY RAINFALL.
RESIDENTS ACROSS THE TENNESSEE VALLEY ARE URGED TO REMAIN ALERT FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

THE HEAVY RAINFALL FROM THESE THUNDERSTORMS IS EXPECTED TO INCREASE
THE POTENTIAL FOR FLASH FLOODING...WHICH WILL EVENTUALLY EVOLVE
INTO A SMALL STREAM AND RIVER FLOODING EVENT OVER THE NEXT FEW DAYS.
PLEASE REFER TO THE FLASH FLOOD WATCH FOR FURTHER INFORMATION ON THIS
THREAT. ALSO...WINDS OUTSIDE OF THUNDERSTORM ACTIVITY WILL LIKELY
REACH ADVISORY CRITERIA...THEREFORE A WIND ADVISORY WILL BE IN EFFECT
THROUGH 8 PM WEDNESDAY EVENING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

THERE IS ANOTHER CHANCE FOR THUNDERSTORMS LATE THIS WEEKEND...AS
ANOTHER COLD FRONT PUSHES ACROSS THE AREA.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
EXPECTED FOR MUCH OF TODAY AND THIS EVENING.

In the hours before

Local storm report, Apr 27, 9:48 AM CDT, 20 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
948 AM CDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0654 AM     TSTM WND DMG     PISGAH                  34.68N 85.85W
04/27/2011                   JACKSON            AL   EMERGENCY MNGR

            REPORTS OF STUCTURAL DAMAGE...NUMEROUS TREES DOWN...AND
            POWERLINES DOWN ALONG A PATH FROM PISGAH TO FLAT ROCK
            NEAR CR 120. ONE DEATH OCCURRED IN THE PISGAH AREA.
            POSSIBLE TORNADO DAMAGE.

&&

KWEBER
Local storm report, Apr 27, 9:50 AM CDT, 18 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HUNTSVILLE AL
950 AM CDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0406 AM     TSTM WND DMG     CHEROKEE                34.76N 87.97W
04/27/2011                   COLBERT            AL   EMERGENCY MNGR

            TWO TREES WERE BLOWN DOWN AT CHEROKEE. POSSIBLE TORNADO
            DAMAGE.

0420 AM     TORNADO          4 WSW OAKLAND           34.82N 87.87W
04/27/2011                   LAUDERDALE         AL   EMERGENCY MNGR

            *** 1 INJ *** AN EMA EMPLOYEE WITNESSED A TORNADO AT THE
            INTERSECTION OF CR 189 AND CR221. THE EMPLOYEE WAS
            INJURED BY BROKEN GLASS IN HIS VEHICLE. DAMAGE TO CHURCH
            AND RESIDENCE.

0424 AM     TORNADO          4 W OAKLAND             34.83N 87.87W
04/27/2011                   LAUDERDALE         AL   TRAINED SPOTTER

            TORNADO CONFIRMED ON THE GROUND NEAR A CHURCH CLOSE TO
            THE INTERSECTION OF CR 189 AND CR 62.

0426 AM     TSTM WND DMG     N FLORENCE              34.80N 87.68W
04/27/2011                   LAUDERDALE         AL   TRAINED SPOTTER

            POWER OUTAGES AND A WIND GUST TO 70 MPH WAS REPORTED.

0427 AM     TSTM WND DMG     1 SE WATERLOO           34.91N 88.05W
04/27/2011                   LAUDERDALE         AL   EMERGENCY MNGR

            TREES AND POWERLINES DOWN.

0430 AM     TSTM WND DMG     5 S KILLEN              34.79N 87.53W
04/27/2011                   COLBERT            AL   TRAINED SPOTTER

            A TREE AND POWER LINE WERE BLOWN DOWN IN FORD CITY.

0435 AM     TSTM WND GST     5 S TUSCUMBIA           34.65N 87.69W
04/27/2011  E70.00 MPH       COLBERT            AL   TRAINED SPOTTER

            A WIND GUST TO 70 MPH WAS REPORTED ALONG WITH POWER
            OUTAGES.

0450 AM     TSTM WND DMG     FLORENCE                34.80N 87.68W
04/27/2011                   LAUDERDALE         AL   EMERGENCY MNGR

            NUMEROUS TREES AND POWERLINES DOWN IN THE ECM HOSPITAL
            AREA.

0455 AM     TSTM WND GST     4 SE LEXINGTON          34.93N 87.32W
04/27/2011  E60.00 MPH       LAUDERDALE         AL   TRAINED SPOTTER

            A 60 MPH GUST WAS REPORTED

0502 AM     TSTM WND DMG     N MT HOPE               34.46N 87.48W
04/27/2011                   LAWRENCE           AL   EMERGENCY MNGR

            ONE TREE WAS BLOWN DOWN IN THE MOUNT HOPE COMMUNITY.

0515 AM     TSTM WND DMG     4 NW FLORENCE           34.83N 87.73W
04/27/2011                   LAUDERDALE         AL   EMERGENCY MNGR

            TREES DOWN OVER ROAD.

0521 AM     HAIL             ATHENS                  34.80N 86.97W
04/27/2011  E0.25 INCH       LIMESTONE          AL   TRAINED SPOTTER

            PEA SIZE HAIL WAS REPORTED.

0538 AM     TORNADO          N COLDWATER             35.09N 86.73W
04/27/2011                   LINCOLN            TN   EMERGENCY MNGR

            NUMEROUS REPORTS OF DAMAGE FROM COLDWATER TO PARK CITY.
            NUMEROUS TREES REPORTED DOWN, ROOFS BLOWN OFF HOUSES,
            PORCH BLOWN OFF A BOUSE IN THE COLDWATER/TAFT AREA, AND
            MOBILE HOMES WERE TURNED OVER ON CARMARGO ROAD. NO
            INJURIES AT THIS TIME.

0540 AM     TSTM WND DMG     2 ENE ZIP CITY          34.97N 87.63W
04/27/2011                   LAUDERDALE         AL   EMERGENCY MNGR

            TREE DOWN ON POWERLINE ON COUNTY ROAD 61 NEAR COUNTY ROAD
            8.

0544 AM     HAIL             3 NE SPEAKE             34.45N 87.13W
04/27/2011  E0.88 INCH       LAWRENCE           AL   PUBLIC

            NICKEL SIZE HAIL WAS REPORTED.

0545 AM     TSTM WND DMG     CARMARGO                35.08N 86.64W
04/27/2011                   LINCOLN            TN   EMERGENCY MNGR

            MOBILE HOME DAMAGE. TREES AND POWERLINES DOWN. TIME
            ESTIMATED FROM RADAR. POSSIBLE TORNADO.

0545 AM     TSTM WND DMG     CARMARGO                35.08N 86.64W
04/27/2011                   LINCOLN            TN   LAW ENFORCEMENT

            TREES AND POWERLINES DOWN.

0557 AM     HAIL             DANVILLE                34.41N 87.08W
04/27/2011  E0.50 INCH       MORGAN             AL   TRAINED SPOTTER

            DIME SIZE HAIL WAS REPORTED.

0604 AM     TSTM WND DMG     3 S CULLMAN             34.14N 86.85W
04/27/2011                   CULLMAN            AL   EMERGENCY MNGR

            TREES REPORTED DOWN ON HOMES. POSSIBLE TORNADO DAMAGE.

0610 AM     TSTM WND DMG     2 W HANCEVILLE          34.07N 86.79W
04/27/2011                   CULLMAN            AL   EMERGENCY MNGR

            TREES WERE BLOWN DOWN AT WALLACE STATE COLLEGE. POSSIBLE
            TORNADO DAMAGE.

0611 AM     TSTM WND GST     1 SW HANCEVILLE         34.05N 86.78W
04/27/2011  E90.00 MPH       CULLMAN            AL   TRAINED SPOTTER

            A 90 MPH GUST WAS REPORTED. POWER WAS OUT AT HIS LOCATION
            AS WELL.

0614 AM     TSTM WND DMG     HANCEVILLE              34.06N 86.76W
04/27/2011                   CULLMAN            AL   EMERGENCY MNGR

            TREES WERE BLOWN DOWN.

0617 AM     TORNADO          WILBURN                 33.95N 87.03W
04/27/2011                   CULLMAN            AL   EMERGENCY MNGR

            TREES WERE BLOWN DOWN ON A HOUSE AND TRUCK. TWO PEOPLE
            WERE TRAPPED IN TRUCK AND HOUSE.

0618 AM     TSTM WND DMG     HOLLY POND              34.17N 86.62W
04/27/2011                   CULLMAN            AL   EMERGENCY MNGR

            RV CAMPER WAS BLOWN ONTO THE ROAD. POSSIBLE TORNADO
            DAMAGE.

0618 AM     TSTM WND DMG     HOLLY POND              34.17N 86.62W
04/27/2011                   CULLMAN            AL   PUBLIC

            TWO BARNS WERE BLOWN DOWN. POSSIBLE TORNADO DAMAGE.

0625 AM     TSTM WND DMG     ARAB                    34.32N 86.50W
04/27/2011                   MARSHALL           AL   TRAINED SPOTTER

            TREES DOWN ON HOMES ALONG HIGHWAY 231 SOUTH OF ARAB.
            POSSIBLE TORNADO.

0630 AM     TSTM WND DMG     ARAB                    34.32N 86.50W
04/27/2011                   MARSHALL           AL   EMERGENCY MNGR

            CHICKEN HOUSES WERE DESTROYED. POSSIBLE TORNADO DAMAGE.

0630 AM     TSTM WND DMG     3 NE ARAB               34.35N 86.45W
04/27/2011                   MARSHALL           AL   EMERGENCY MNGR

            SEVERAL TREES DOWN ALONG HIGHWAY 69 BETWEEN ARAB AND
            GUNTERSVILLE. POSSIBLE TORNADO.

0634 AM     TSTM WND DMG     ARAB                    34.32N 86.50W
04/27/2011                   MARSHALL           AL   EMERGENCY MNGR

            POWERLINES WERE BLOWN DOWN.

0641 AM     TORNADO          GUNTERSVILLE            34.36N 86.29W
04/27/2011                   MARSHALL           AL   EMERGENCY MNGR

            TRAINED SPOTTERS REPORTED POSSIBLE TORNADO TOUCHDOWN
            ALONG HIGHWAY 205 AND 431 JUST SOUTH OF GUNTERSVILLE.

0645 AM     TSTM WND DMG     3 NE GUNTERSVILLE       34.39N 86.26W
04/27/2011                   MARSHALL           AL   TRAINED SPOTTER

            NUMEROUS TREES WERE BLOWN DOWN. POSSIBLE TORNADO DAMAGE.
            SPOTTER HEARD LOUD ROARING SOUND AS DAMAGE OCCURRED.

0650 AM     TSTM WND DMG     4 NW CHIGGER HILL       34.44N 86.06W
04/27/2011                   DEKALB             AL   EMERGENCY MNGR

            STRUCTURAL DAMAGE ALONG COUNTY ROAD 50 NEAR GROVE OAK.
            POSSIBLE TORNADO. TIME ESTIMATED FROM RADAR.

0654 AM     TSTM WND DMG     PISGAH                  34.68N 85.85W
04/27/2011                   JACKSON            AL   EMERGENCY MNGR

            REPORTS OF STUCTURAL DAMAGE...NUMEROUS TREES DOWN...AND
            POWERLINES DOWN ALONG A PATH FROM PISGAH TO FLAT ROCK
            NEAR CR 120. ONE DEATH OCCURRED IN THE PISGAH AREA.
            POSSIBLE TORNADO DAMAGE.

0700 AM     TSTM WND DMG     LANGSTON                34.54N 86.07W
04/27/2011                   JACKSON            AL   EMERGENCY MNGR

            LARGE TREES DOWN ON VEHICLES. TIME ESTIMATED FROM RADAR.
            POSSIBLE TORNADO.

0705 AM     TSTM WND DMG     SECTION                 34.58N 85.99W
04/27/2011                   JACKSON            AL   EMERGENCY MNGR

            NUMEROUS TREES DOWN BETWEEN SECTION AND MACEDONIA ALONG
            HIGHWAY 35. TIME ESTIMATED FROM RADAR.

0736 AM     HAIL             2 SSW PHIL CAMPBELL     34.32N 87.72W
04/27/2011  E1.25 INCH       FRANKLIN           AL   TRAINED SPOTTER

            UP TO HALF DOLLAR SIZE HAIL WAS REPORTED IN THE BEAR
            CREEK AREA.

0836 AM     HAIL             2 SW PHIL CAMPBELL      34.33N 87.73W
04/27/2011  E1.50 INCH       FRANKLIN           AL   TRAINED SPOTTER

            PING PONG SIZE HAIL WAS REPORTED.

0854 AM     HAIL             MUSCLE SHOALS           34.74N 87.67W
04/27/2011  E0.50 INCH       COLBERT            AL   EMERGENCY MNGR

            ONE HALF INCH HAIL REPORTED.

0900 AM     HAIL             MT HOPE                 34.46N 87.48W
04/27/2011  E0.88 INCH       LAWRENCE           AL   PUBLIC

            NICKEL SIZE HAIL REPORTED.

0909 AM     HAIL             CHALYBEATE SPRINGS      34.57N 87.23W
04/27/2011  E0.50 INCH       LAWRENCE           AL   EMERGENCY MNGR

            DIME SIZE HAIL WAS REPORTED.

0930 AM     HAIL             4 SSW ATHENS            34.75N 87.00W
04/27/2011  E1.00 INCH       LIMESTONE          AL   EMERGENCY MNGR

            ONE INCH HAIL WAS REPORTED.

0936 AM     HAIL             3 NE CHEROKEE           34.78N 87.93W
04/27/2011  E0.50 INCH       COLBERT            AL   EMERGENCY MNGR

            DIME SIZE HAIL WAS REPORTED

0946 AM     HAIL             N HARVEST               34.86N 86.75W
04/27/2011  E1.00 INCH       MADISON            AL   AMATEUR RADIO

            QUARTER SIZE HAIL WAS REPORTED.

&&

KWEBER
Local storm report, Apr 27, 9:59 AM CDT, 9 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
959 AM CDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0949 AM     HAIL             2 SSE ELKWOOD           34.95N 86.71W
04/27/2011  E0.25 INCH       MADISON            AL   EMERGENCY MNGR

            DIME SIZE HAIL WAS REPORTED.

0950 AM     HAIL             2 ENE HARVEST           34.87N 86.71W
04/27/2011  E1.75 INCH       MADISON            AL   EMERGENCY MNGR

            GOLF BALL SIZE HAIL WAS REPORTED.

&&

KWEBER
Local storm report, Apr 27, 10:00 AM CDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1000 AM CDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0949 AM     HAIL             2 SSE ELKWOOD           34.95N 86.71W
04/27/2011  E0.50 INCH       MADISON            AL   EMERGENCY MNGR

            DIME SIZE HAIL WAS REPORTED.

&&

KWEBER
Local storm report, Apr 27, 10:01 AM CDT, 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1001 AM CDT WED APR 27 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0946 AM     HAIL             HARVEST                 34.86N 86.75W
04/27/2011  E0.75 INCH       MADISON            AL   EMERGENCY MNGR

            DIME TO PENNY SIZE HAIL WAS REPORTED COVERING THE GROUND.

&&

KWEBER
Special weather statement, Apr 27, 10:07 AM CDT, 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1007 AM CDT WED APR 27 2011

TNZ076-096-097-271600-
FRANKLIN-LINCOLN-MOORE-
1007 AM CDT WED APR 27 2011

...SIGNIFICANT WEATHER ADVISORY FOR FRANKLIN...LINCOLN AND MOORE
COUNTIES UNTIL 1100 AM CDT...

AT 1004 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM NEAR FLINTVILLE...OR 10 MILES SOUTHEAST OF
FAYETTEVILLE...MOVING NORTHEAST AT 70 MPH.

NICKEL SIZE HAIL IS EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  HARMONY...TIMS FORD LAKE.
  ESTILL SPRINGS...DECHERD.
  WOODS RESERVOIR.
  ALTO.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM CDT WEDNESDAY
AFTERNOON FOR NORTHERN ALABAMA AND CENTRAL TENNESSEE.

STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL RADIO...OR YOUR LOCAL
TELEVISION STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS
CONCERNING THIS WEATHER SITUATION.

&&

LAT...LON 3536 8602 3533 8599 3533 8597 3530 8592
      3526 8589 3524 8589 3501 8638 3515 8652
      3537 8625 3536 8623 3535 8620 3537 8616
TIME...MOT...LOC 1508Z 233DEG 61KT 3513 8633

CCC

The office that day

Everything else NWS Huntsville, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 27, 3:28 AM CDTSpecial Weather StatementHUNColbert, Franklin32 min
Apr 27, 3:49 AM CDTTornado WarningHUNColbert, Franklin26 min
Apr 27, 3:53 AM CDTTornado WarningHUNColbert, Lauderdale37 min
Apr 27, 4:02 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lawrence28 min
Apr 27, 4:09 AM CDTTornado WarningHUNColbert, Lauderdale36 min
Apr 27, 4:19 AM CDTTornado WarningHUNColbert, Franklin, Lauderdale, Lawrence26 min
Apr 27, 4:33 AM CDTSevere Thunderstorm WarningHUNFranklin, Lawrence27 min
Apr 27, 4:36 AM CDTTornado WarningHUNLauderdale9 min
Apr 27, 4:40 AM CDTTornado WarningHUNColbert, Lauderdale, Lawrence, Limestone35 min
Apr 27, 4:47 AM CDTTornado WarningHUNColbert, Franklin, Lawrence28 min
Apr 27, 4:59 AM CDTTornado WarningHUNLauderdale, Limestone31 min
Apr 27, 5:02 AM CDTSevere Thunderstorm WarningHUNLawrence, Limestone, Madison, Morgan43 min
Apr 27, 5:14 AM CDTSevere Thunderstorm WarningHUNLawrence, Madison, Marshall, Morgan46 min
Apr 27, 5:24 AM CDTTornado WarningHUNLawrence, Limestone, Morgan36 min
Apr 27, 5:27 AM CDTTornado WarningHUNCullman48 min
Apr 27, 5:31 AM CDTTornado WarningHUNLawrence, Morgan29 min
Apr 27, 5:40 AM CDTSevere Thunderstorm WarningHUNJackson, Madison35 min
Apr 27, 5:58 AM CDTSevere Thunderstorm WarningHUNJackson, Madison47 min
Apr 27, 6:02 AM CDTTornado WarningHUNLimestone, Madison, Morgan28 min
Apr 27, 6:09 AM CDTTornado WarningHUNCullman, Marshall, Morgan36 min
Apr 27, 6:19 AM CDTTornado WarningHUNMarshall41 min
Apr 27, 6:20 AM CDTSevere Thunderstorm WarningHUNJackson, Madison40 min
Apr 27, 6:37 AM CDTTornado WarningHUNJackson, Madison, Marshall23 min
Apr 27, 6:44 AM CDTSevere Thunderstorm WarningHUNDeKalb46 min
Apr 27, 6:45 AM CDTSevere Thunderstorm WarningHUNDeKalb, Jackson45 min
Apr 27, 6:52 AM CDTTornado WarningHUNDeKalb, Jackson, Marshall38 min
Apr 27, 7:08 AM CDTTornado WarningHUNDeKalb37 min
Apr 27, 7:24 AM CDTTornado WarningHUNDeKalb, Jackson21 min
Apr 27, 7:25 AM CDTSevere Thunderstorm WarningHUNDeKalb, Jackson20 min
Apr 27, 7:41 AM CDTTornado WarningHUNJackson10 min
Apr 27, 8:22 AM CDTSevere Thunderstorm WarningHUNFranklin, Lawrence38 min
Apr 27, 8:41 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lauderdale, Lawrence34 min
Apr 27, 8:48 AM CDTSevere Thunderstorm WarningHUNLawrence, Limestone, Morgan42 min
Apr 27, 9:05 AM CDTTornado WarningHUNLawrence, Limestone, Morgan25 min
Apr 27, 9:14 AM CDTSpecial Weather StatementHUNLimestone31 min
Apr 27, 9:20 AM CDTTornado WarningHUNLimestone, Madison, Morgan25 min
Apr 27, 9:39 AM CDTSevere Thunderstorm WarningHUNLimestone, Madison27 min
Apr 27, 9:40 AM CDTSpecial Weather StatementHUNColbert, Franklin, Lauderdale50 min
Apr 27, 9:57 AM CDTRiver Flood WarningHUNMadison46 hr
Apr 27, 10:00 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin45 min
Apr 27, 10:03 AM CDTRiver Flood WarningHUNMadison38 hr
Apr 27, 10:05 AM CDTRiver Flood WarningHUNJackson, Madison, Marshall3 days
Apr 27, 10:08 AM CDTRiver Flood WarningHUNLawrence3 days
Apr 27, 10:12 AM CDTTornado WarningHUNColbert, Franklin33 min
Apr 27, 10:37 AM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale38 min
Apr 27, 10:43 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lawrence47 min
Apr 27, 10:53 AM CDTTornado WarningHUNFranklin, Lawrence, Morgan37 min
Apr 27, 10:58 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lauderdale, Lawrence, Limestone, Morgan47 min
Apr 27, 11:18 AM CDTTornado WarningHUNLimestone, Madison27 min
Apr 27, 11:26 AM CDTSevere Thunderstorm WarningHUNLawrence, Limestone, Madison, Marshall, Morgan49 min
Apr 27, 11:27 AM CDTTornado WarningHUNLimestone, Madison33 min
Apr 27, 11:30 AM CDTTornado WarningHUNLimestone, Madison, Morgan30 min
Apr 27, 11:41 AM CDTTornado WarningHUNJackson, Limestone, Madison34 min
Apr 27, 12:00 PM CDTSevere Thunderstorm WarningHUNJackson, Madison, Marshall45 min
Apr 27, 12:04 PM CDTTornado WarningHUNJackson, Madison26 min
Apr 27, 12:07 PM CDTFlash Flood WarningHUNColbert, Franklin, Lauderdale, Lawrence, Limestone8 hr
Apr 27, 12:17 PM CDTSevere Thunderstorm WarningHUNLawrence, Limestone, Madison, Marshall, Morgan43 min
Apr 27, 12:25 PM CDTTornado WarningHUNJackson20 min
Apr 27, 12:27 PM CDTFlash Flood WarningHUNLimestone, Madison, Morgan8 hr
Apr 27, 12:31 PM CDTTornado WarningHUNMadison, Marshall, Morgan29 min
Apr 27, 12:40 PM CDTSevere Thunderstorm WarningHUNDeKalb, Jackson, Madison, Marshall65 min
Apr 27, 1:11 PM CDTTornado WarningHUNDeKalb, Jackson34 min
Apr 27, 1:29 PM CDTFlash Flood WarningHUNDeKalb, Jackson, Madison, Marshall3 hr
Apr 27, 1:41 PM CDTTornado WarningHUNLawrence, Morgan34 min
Apr 27, 2:09 PM CDTTornado WarningHUNLawrence, Limestone, Morgan17 min
Apr 27, 2:24 PM CDTTornado WarningHUNCullman36 min
Apr 27, 2:31 PM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale44 min
Apr 27, 2:43 PM CDTTornado Warning EmergencyHUNCullman, Morgan32 min
Apr 27, 2:51 PM CDTTornado WarningHUNColbert, Franklin, Lauderdale24 min
Apr 27, 3:03 PM CDTTornado Warning EmergencyHUNCullman, Madison, Marshall, Morgan42 min
Apr 27, 3:08 PM CDTTornado WarningHUNColbert, Lauderdale37 min
Apr 27, 3:17 PM CDTTornado Warning EmergencyHUNColbert, Franklin, Lawrence43 min
Apr 27, 3:25 PM CDTTornado Warning EmergencyHUNJackson, Madison, Marshall50 min
Apr 27, 3:51 PM CDTTornado WarningHUNJackson24 min
Apr 27, 3:51 PM CDTTornado WarningHUNLawrence, Limestone, Morgan24 min
Apr 27, 3:56 PM CDTTornado WarningHUNColbert, Franklin, Lawrence34 min
Apr 27, 3:59 PM CDTTornado WarningHUNCullman, Marshall, Morgan31 min
Apr 27, 4:07 PM CDTTornado WarningHUNMadison, Morgan38 min
Apr 27, 4:09 PM CDTTornado WarningHUNFranklin36 min
Apr 27, 4:11 PM CDTTornado Warning EmergencyHUNLawrence, Limestone, Madison, Morgan34 min

Nearby

Flash Flood Warnings in Alabama, 2011Every flash flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.