Alert archive / Alabama / Flash Flood Warnings in 2011
Flash Flood Warning 23, NWS Huntsville, AL
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 27, 10:53 AM CDT | FLASH FLOOD | 1 Sw Tuscumbia, AL | FLASH FLOODING WITH AT LEAST SIX INCHES OF WATER FLOWING OVER ROADWAYS. |
| Apr 27, 12:32 PM CDT | FLASH FLOOD | Tuscumbia, AL | FOUR 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.
- 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
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
$$
KDW3 follow-up statements
940
WGUS74 KHUN 271611
FFSHUN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1111 AM CDT WED APR 27 2011
ALC033-059-077-271800-
/O.CON.KHUN.FF.W.0023.000000T0000Z-110427T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRANKLIN AL-LAUDERDALE AL-COLBERT AL-
1111 AM CDT WED APR 27 2011
...FLASH FLOOD WARNING REMAINS IN EFFECT FOR COLBERT...WESTERN
LAUDERDALE AND FRANKLIN COUNTIES UNTIL 100 PM CDT...
AT 1110 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.
RAINFALL AMOUNTS AROUND ONE TO TWO INCHES OVER THE PAST HOUR HAVE
EXACERBATED THE FLASH FLOODING THREAT. SOME STREET FLOODING HAS BEEN
REPORTED IN THE MUSCLE SHOALS AND FLORENCE AREAS. ADDITIONAL
RAINFALL AMOUNTS AROUND ONE TO TWO INCHES ARE POSSIBLE THROUGH THE
AFTERNOON.
RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
FLORENCE...MUSCLE SHOALS...RED BAY...RUSSELLVILLE...SHEFFIELD...
TUSCUMBIA...UNDERWOOD-PETERSVILLE...BELGREEN...CHEROKEE...LITTLEVILLE
AND PHIL CAMPBELL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3501 8753 3431 8766 3432 8816 3448 8816
3489 8810 3492 8814 3501 8820
$$
KDW516
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
$$
BCC622
WGUS54 KHUN 272053
FFWHUN
ALC033-059-077-280000-
/O.EXT.KHUN.FF.W.0023.000000T0000Z-110428T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
353 PM CDT WED APR 27 2011
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
COLBERT COUNTY IN NORTHWEST ALABAMA...
FRANKLIN COUNTY IN NORTHWEST ALABAMA...
WESTERN LAUDERDALE COUNTY IN NORTHWEST ALABAMA...
* UNTIL 700 PM CDT
* AT 350 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
TO INDICATE THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS
NORTHWEST ALABAMA. DOPPLER RADAR ESTIMATES INDICATE THAT SEVERAL
INCHES OF RAIN HAS FALLEN IN THE LAST SEVERAL HOURS...AND
ADDITIONAL RAIN FROM THUNDERSTORMS IS EXPECTED THROUGH 700 PM.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FLORENCE...MUSCLE SHOALS...RED BAY...RUSSELLVILLE...SHEFFIELD...
TUSCUMBIA...UNDERWOOD-PETERSVILLE...BELGREEN...CHEROKEE...
LITTLEVILLE AND PHIL CAMPBELL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
&&
LAT...LON 3501 8753 3431 8766 3432 8816 3448 8816
3489 8810 3492 8814 3501 8820
$$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...15Hazardous 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.
&&
KWEBERLocal 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.
&&
KWEBERLocal 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.
&&
KWEBERLocal 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.
&&
KWEBERLocal 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.
&&
KWEBERSpecial 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
CCCThe office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 27, 3:28 AM CDT | Special Weather Statement | HUN | Colbert, Franklin | 32 min |
| Apr 27, 3:49 AM CDT | Tornado Warning | HUN | Colbert, Franklin | 26 min |
| Apr 27, 3:53 AM CDT | Tornado Warning | HUN | Colbert, Lauderdale | 37 min |
| Apr 27, 4:02 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lawrence | 28 min |
| Apr 27, 4:09 AM CDT | Tornado Warning | HUN | Colbert, Lauderdale | 36 min |
| Apr 27, 4:19 AM CDT | Tornado Warning | HUN | Colbert, Franklin, Lauderdale, Lawrence | 26 min |
| Apr 27, 4:33 AM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 27 min |
| Apr 27, 4:36 AM CDT | Tornado Warning | HUN | Lauderdale | 9 min |
| Apr 27, 4:40 AM CDT | Tornado Warning | HUN | Colbert, Lauderdale, Lawrence, Limestone | 35 min |
| Apr 27, 4:47 AM CDT | Tornado Warning | HUN | Colbert, Franklin, Lawrence | 28 min |
| Apr 27, 4:59 AM CDT | Tornado Warning | HUN | Lauderdale, Limestone | 31 min |
| Apr 27, 5:02 AM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Limestone, Madison, Morgan | 43 min |
| Apr 27, 5:14 AM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Madison, Marshall, Morgan | 46 min |
| Apr 27, 5:24 AM CDT | Tornado Warning | HUN | Lawrence, Limestone, Morgan | 36 min |
| Apr 27, 5:27 AM CDT | Tornado Warning | HUN | Cullman | 48 min |
| Apr 27, 5:31 AM CDT | Tornado Warning | HUN | Lawrence, Morgan | 29 min |
| Apr 27, 5:40 AM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 35 min |
| Apr 27, 5:58 AM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 47 min |
| Apr 27, 6:02 AM CDT | Tornado Warning | HUN | Limestone, Madison, Morgan | 28 min |
| Apr 27, 6:09 AM CDT | Tornado Warning | HUN | Cullman, Marshall, Morgan | 36 min |
| Apr 27, 6:19 AM CDT | Tornado Warning | HUN | Marshall | 41 min |
| Apr 27, 6:20 AM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison | 40 min |
| Apr 27, 6:37 AM CDT | Tornado Warning | HUN | Jackson, Madison, Marshall | 23 min |
| Apr 27, 6:44 AM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 46 min |
| Apr 27, 6:45 AM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Jackson | 45 min |
| Apr 27, 6:52 AM CDT | Tornado Warning | HUN | DeKalb, Jackson, Marshall | 38 min |
| Apr 27, 7:08 AM CDT | Tornado Warning | HUN | DeKalb | 37 min |
| Apr 27, 7:24 AM CDT | Tornado Warning | HUN | DeKalb, Jackson | 21 min |
| Apr 27, 7:25 AM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Jackson | 20 min |
| Apr 27, 7:41 AM CDT | Tornado Warning | HUN | Jackson | 10 min |
| Apr 27, 8:22 AM CDT | Severe Thunderstorm Warning | HUN | Franklin, Lawrence | 38 min |
| Apr 27, 8:41 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale, Lawrence | 34 min |
| Apr 27, 8:48 AM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Limestone, Morgan | 42 min |
| Apr 27, 9:05 AM CDT | Tornado Warning | HUN | Lawrence, Limestone, Morgan | 25 min |
| Apr 27, 9:14 AM CDT | Special Weather Statement | HUN | Limestone | 31 min |
| Apr 27, 9:20 AM CDT | Tornado Warning | HUN | Limestone, Madison, Morgan | 25 min |
| Apr 27, 9:39 AM CDT | Severe Thunderstorm Warning | HUN | Limestone, Madison | 27 min |
| Apr 27, 9:40 AM CDT | Special Weather Statement | HUN | Colbert, Franklin, Lauderdale | 50 min |
| Apr 27, 9:57 AM CDT | River Flood Warning | HUN | Madison | 46 hr |
| Apr 27, 10:00 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin | 45 min |
| Apr 27, 10:03 AM CDT | River Flood Warning | HUN | Madison | 38 hr |
| Apr 27, 10:05 AM CDT | River Flood Warning | HUN | Jackson, Madison, Marshall | 3 days |
| Apr 27, 10:08 AM CDT | River Flood Warning | HUN | Lawrence | 3 days |
| Apr 27, 10:12 AM CDT | Tornado Warning | HUN | Colbert, Franklin | 33 min |
| Apr 27, 10:37 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 38 min |
| Apr 27, 10:43 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lawrence | 47 min |
| Apr 27, 10:53 AM CDT | Tornado Warning | HUN | Franklin, Lawrence, Morgan | 37 min |
| Apr 27, 10:58 AM CDT | Severe Thunderstorm Warning | HUN | Colbert, Franklin, Lauderdale, Lawrence, Limestone, Morgan | 47 min |
| Apr 27, 11:18 AM CDT | Tornado Warning | HUN | Limestone, Madison | 27 min |
| Apr 27, 11:26 AM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Limestone, Madison, Marshall, Morgan | 49 min |
| Apr 27, 11:27 AM CDT | Tornado Warning | HUN | Limestone, Madison | 33 min |
| Apr 27, 11:30 AM CDT | Tornado Warning | HUN | Limestone, Madison, Morgan | 30 min |
| Apr 27, 11:41 AM CDT | Tornado Warning | HUN | Jackson, Limestone, Madison | 34 min |
| Apr 27, 12:00 PM CDT | Severe Thunderstorm Warning | HUN | Jackson, Madison, Marshall | 45 min |
| Apr 27, 12:04 PM CDT | Tornado Warning | HUN | Jackson, Madison | 26 min |
| Apr 27, 12:07 PM CDT | Flash Flood Warning | HUN | Colbert, Franklin, Lauderdale, Lawrence, Limestone | 8 hr |
| Apr 27, 12:17 PM CDT | Severe Thunderstorm Warning | HUN | Lawrence, Limestone, Madison, Marshall, Morgan | 43 min |
| Apr 27, 12:25 PM CDT | Tornado Warning | HUN | Jackson | 20 min |
| Apr 27, 12:27 PM CDT | Flash Flood Warning | HUN | Limestone, Madison, Morgan | 8 hr |
| Apr 27, 12:31 PM CDT | Tornado Warning | HUN | Madison, Marshall, Morgan | 29 min |
| Apr 27, 12:40 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb, Jackson, Madison, Marshall | 65 min |
| Apr 27, 1:11 PM CDT | Tornado Warning | HUN | DeKalb, Jackson | 34 min |
| Apr 27, 1:29 PM CDT | Flash Flood Warning | HUN | DeKalb, Jackson, Madison, Marshall | 3 hr |
| Apr 27, 1:41 PM CDT | Tornado Warning | HUN | Lawrence, Morgan | 34 min |
| Apr 27, 2:09 PM CDT | Tornado Warning | HUN | Lawrence, Limestone, Morgan | 17 min |
| Apr 27, 2:24 PM CDT | Tornado Warning | HUN | Cullman | 36 min |
| Apr 27, 2:31 PM CDT | Severe Thunderstorm Warning | HUN | Colbert, Lauderdale | 44 min |
| Apr 27, 2:43 PM CDT | Tornado Warning | HUN | Cullman, Morgan | 32 min |
| Apr 27, 2:51 PM CDT | Tornado Warning | HUN | Colbert, Franklin, Lauderdale | 24 min |
| Apr 27, 3:03 PM CDT | Tornado Warning | HUN | Cullman, Madison, Marshall, Morgan | 42 min |
| Apr 27, 3:08 PM CDT | Tornado Warning | HUN | Colbert, Lauderdale | 37 min |
| Apr 27, 3:17 PM CDT | Tornado Warning | HUN | Colbert, Franklin, Lawrence | 43 min |
| Apr 27, 3:25 PM CDT | Tornado Warning | HUN | Jackson, Madison, Marshall | 50 min |
| Apr 27, 3:51 PM CDT | Tornado Warning | HUN | Jackson | 24 min |
| Apr 27, 3:51 PM CDT | Tornado Warning | HUN | Lawrence, Limestone, Morgan | 24 min |
| Apr 27, 3:56 PM CDT | Tornado Warning | HUN | Colbert, Franklin, Lawrence | 34 min |
| Apr 27, 3:59 PM CDT | Tornado Warning | HUN | Cullman, Marshall, Morgan | 31 min |
| Apr 27, 4:07 PM CDT | Tornado Warning | HUN | Madison, Morgan | 38 min |
| Apr 27, 4:09 PM CDT | Tornado Warning | HUN | Franklin | 36 min |
| Apr 27, 4:11 PM CDT | Tornado Warning | HUN | Lawrence, Limestone, Madison, Morgan | 34 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.