Alert archive / Alabama / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 271, NWS Huntsville, AL

August 4, 2011Colbert County, Lauderdale County, Alabama

NWS Huntsville, AL issued this severe thunderstorm warning at Aug 4, 2011, 5:53 AM CDT for Colbert County, Lauderdale County, Alabama. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 4, 2011, 5:53 AM CDT (10:53 UTC)
Expired
Aug 4, 2011, 6:30 AM CDT
In force
37 min
Issued by
NWS Huntsville, AL
Area
Storm-based polygon

Counties Colbert County, AL, Lauderdale County, AL

The radar

The Columbus AFB radar (KGWX), 117 km from the middle of the area, began a volume at 10:55 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 3, 11:59 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 10.9 hours before the alert went out and 178 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, Nashville Metro, TN at 00:00Z on 2011-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 5553 joules per kilogram.LCLEL10008507005003002001001 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, Nashville Metro, TN at 00:00Z on 2011-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939Sfc1 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
5553 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1715 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

483 
WUUS54 KHUN 041053
SVRHUN
ALC033-077-041130-
/O.NEW.KHUN.SV.W.0271.110804T1053Z-110804T1130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
553 AM CDT THU AUG 4 2011

THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN COLBERT COUNTY IN NORTHWEST ALABAMA...
  LAUDERDALE COUNTY IN NORTHWEST ALABAMA...

* UNTIL 630 AM CDT

* AT 551 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 8 MILES NORTH OF WRIGHT TO 6   
  MILES NORTHWEST OF ZIP CITY TO 6 MILES NORTHWEST OF GREEN          
  HILL...AND MOVING SOUTH AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ZIP CITY...THREET...
  WRIGHT...WATERLOO...
  RIVERTON...
  OAKLAND...CENTER STAR...
  CHEROKEE...MARGERUM...
  MUSCLE SHOALS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR INTERIOR ROOM.

&&

LAT...LON 3501 8744 3470 8743 3468 8745 3469 8767
      3467 8813 3489 8811 3491 8815 3501 8815
TIME...MOT...LOC 1052Z 351DEG 26KT 3501 8800 3502 8773
          3503 8759

$$
SL
1 follow-up statement
353 
WWUS54 KHUN 041118
SVSHUN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
618 AM CDT THU AUG 4 2011

ALC033-077-041130-
/O.CON.KHUN.SV.W.0271.000000T0000Z-110804T1130Z/
COLBERT AL-LAUDERDALE AL-
618 AM CDT THU AUG 4 2011

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM CDT
FOR LAUDERDALE AND NORTHERN COLBERT COUNTIES...

AT 617 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS
WERE LOCATED ALONG A LINE EXTENDING FROM CHEROKEE TO 
UNDERWOOD-PETERSVILLE TO KILLEN...MOVING SOUTH AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORD 
CITY...SHEFFIELD...BARTON...MUSCLE SHOALS...MT HESTER...RED 
ROCK...PRIDE LANDING...ALLSBORO...TUSCUMBIA AND LEIGHTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 3501 8744 3470 8743 3468 8745 3469 8767
      3467 8813 3489 8811 3491 8815 3501 8815
TIME...MOT...LOC 1118Z 351DEG 26KT 3482 8796 3483 8769
          3484 8755

$$

SL

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Aug 4, 5:10 AM CDT, 43 minutes earlier.

Area forecast discussion, Aug 4, 5:10 AM CDT, 43 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HUNTSVILLE AL
510 AM CDT THU AUG 4 2011

.DISCUSSION...
THE CURRENT WEATHER REGIME ACROSS THE TENNESSEE VALLEY CONTINUES TO
BE CONTROLLED BY A SEASONABLY STRONG MID-LEVEL RIDGE CENTERED
ACROSS THE ARKLATEX REGION. A SUBTLE SHORTWAVE TROUGH ROTATING AROUND
THE NORTHEASTERN PERIPHERY OF THE RIDGE SPARKED WIDESPREAD DAMAGING
THUNDERSTORMS ACROSS THE REGION EARLY THIS MORNING. THIS FEATURE IS
EXPECTED TO MOVE SOUTH-SOUTHEASTWARD ACROSS THE SOUTHERN APPALACHIANS
AND INTO GEORGIA LATER TODAY...AS MID/UPPER-LEVEL RIDGING REMAINS IN
PLACE OVER THE ARKLATEX. WILL MAINTAIN 20-40 POPS FOR ALL ZONES
TODAY...TO ACCOUNT FOR LINGERING MORNING ACTIVITY CURRENTLY SEEN
UPSTREAM ACROSS MIDDLE TENNESSEE AND EXPECTED NEW DEVELOPMENT ALONG A
WEAK STALLED COLD FRONT OR COMPOSITE OUTFLOW BOUNDARY THIS AFTERNOON
IN THE SOUTHEAST. HOWEVER...WEAK SUBSIDENCE IN THE WAKE OF THE
SHORTWAVE TROUGH MAY LEAD TO FAIRLY DRY CONDITIONS ACROSS THE
NORTHERN PORTION OF THE AREA TODAY. LINGERING DECKS OF MORNING
ALTOSTRATUS AND CIRROSTRATUS CLOUDS WILL LIMIT HEATING FOR AT LEAST
THE FIRST PORTION OF THE DAY...AND WITH THIS IN MIND HAVE LOWERED
HIGH TEMPERATURES OFFERED BY MOS AND CANCELLED THE EXCESSIVE HEAT
WARNING. HEAT ADVISORY HAS BEEN MAINTAINED FOR SOUTHWEST HALF OF
FORECAST AREA...BUT EVEN THIS MAY BE QUESTIONABLE. MEANWHILE...MODELS
ARE IN UNANIMOUS AGREEMENT THAT A POTENT MID-LEVEL VORT MAX WILL
SPREAD EASTWARD ACROSS NORTHERN KANSAS/NORTHERN MISSOURI TODAY...AND
DIG EAST-SOUTHEASTWARD AROUND THE NORTHEAST FLANK OF THE WEAKENING
AND RETROGRADING SOUTHERN PLAINS MID-TROPOSPHERIC HIGH FROM TONIGHT
THROUGH TOMORROW. THIS SET-UP APPEARS FAVORABLE FOR A HIGHER COVERAGE
OF SHOWERS/STORMS ON FRIDAY...AS A NORTHWEST FLOW MCS OR ITS REMNANTS
SPREAD SOUTHEASTWARD OVER THE AREA. HAVE INCREASED POPS INTO THE HIGH
CHANCE RANGE...INCREASED CLOUD COVER...AND LOWERED HIGH TEMPERATURES
ACCORDINGLY...WITH NONE OF THE AREA CURRENTLY FORECAST TO MEET HEAT
ADVISORY CRITERIA ON FRIDAY. GIVEN STRENGTH OF NORTHWEST FLOW AT 500
MB AND AMOUNT OF INSTABILITY NOTED ON FORECAST SOUNDINGS...A FEW
STRONG TO SEVERE THUNDERSTORMS WILL BE POSSIBLE ON FRIDAY. RAIN
CHANCES WILL REMAIN IN THE 20-40 PERCENT RANGE AND HIGH TEMPERATURES
WILL REMAIN SLIGHTLY COOLER FOR THE REMAINDER OF THE SHORT TERM
PERIOD...AS THE MID-LEVEL SUBTROPICAL ANTICYCLONE CONTINUES TO WEAKEN
AND RETROGRADE TOWARD THE SOUTHERN ROCKIES/FOUR CORNERS REGION IN
RESPONSE TO THE EASTWARD PROGRESSION OF A WELL-DEFINED UPPER TROUGH
-- CURRENTLY MOVING ONSHORE ACROSS WASHINGTON/OREGON.

TEMPERATURES WILL CONTINUE TO GRADUALLY DIMINISH AND THE CHANCES FOR
AFTERNOON CONVECTION WILL IMPROVE THIS WEEKEND...AS THE PREVIOUSLY
MENTIONED UPPER TROUGH SHIFTS EASTWARD OVER THE GREAT LAKES REGION
AND AN INVERTED TROUGH MOVES WESTWARD ALONG THE GULF COAST. THE MID-
LEVEL RIDGE WILL REMAIN ESTABLISHED OVER THE SOUTHWESTERN U.S.
THROUGH NEXT WEEK...WITH SEVERAL STRONG UPPER LOWS FORECAST BY THE
GFS/ECMWF/GEM TO DIG EAST-SOUTHEASTWARD AROUND A DEEP-LAYER CYCLONE
CENTERED OVER HUDSON BAY. HOWEVER...NONE OF THE ASSOCIATED SURFACE
COLD FRONTS APPEAR TO PENETRATE THROUGH THE TENNESSEE VALLEY...AT
LEAST NOT UNTIL PERHAPS MID-WEEK. THUS...THE REGION SHOULD REMAIN IN
A WARM/MOIST SOUTHWESTERLY FLOW REGIME...WITH A CHANCE OF MAINLY
AFTERNOON AND EARLY EVENING SHOWERS AND STORMS THROUGH THE PERIOD.

&&

.PRELIMINARY POINT TEMPS/POPS...
HUNTSVILLE    97  74  95  74  96 /  30  30  50  20  40
SHOALS        98  73  94  73  98 /  20  30  50  20  40
VINEMONT      95  72  92  72  93 /  30  30  50  20  40
FAYETTEVILLE  94  69  94  73  94 /  30  30  50  20  40
ALBERTVILLE   95  70  93  73  93 /  40  30  50  20  40
FORT PAYNE    94  68  93  72  92 /  40  30  50  20  40

&&

.HUN WATCHES/WARNINGS/ADVISORIES...

AL...HEAT ADVISORY FROM 1 PM THIS AFTERNOON TO 7 PM CDT THIS EVENING FOR
     THE FOLLOWING ZONES: COLBERT...CULLMAN...FRANKLIN AL...
     LAUDERDALE...LAWRENCE...LIMESTONE...MADISON...MARSHALL...
     MORGAN.

TN...NONE.

&&

70/DD
Hazardous weather outlook, Aug 4, 12:24 AM CDT, 5 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HUNTSVILLE AL
1224 AM CDT THU AUG 4 2011

ALZ001>010-016-TNZ076-096-097-041015-
LAUDERDALE-COLBERT-FRANKLIN AL-LAWRENCE-LIMESTONE-MADISON-MORGAN-
MARSHALL-JACKSON-DEKALB-CULLMAN-MOORE-LINCOLN-FRANKLIN TN-
1224 AM CDT THU AUG 4 2011

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

.DAY ONE...TONIGHT...

A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR MUCH OF THE TENNESSEE
VALLEY THROUGH 5 AM CDT. SEVERE THUNDERSTORMS PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH AND SMALL HAIL WILL BE POSSIBLE. FREQUENT
CLOUD TO GROUND LIGHTNING STRIKES AND TORRENTIAL RAINFALL...PRODUCING
FLASH FLOODING...CAN ALSO BE EXPECTED.

VERY WARM TEMPERATURES WILL CONTINUE ACROSS MUCH OF THE TENNESSEE
VALLEY THIS EVENING. WITH NIGHTTIME LOW TEMPERATURES ONLY FALLING
INTO THE MID AND UPPER 70S...NOT MUCH RELIEF IS EXPECTED FROM THE
HEAT...THEREFORE A HEAT ADVISORY CONTINUES.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY...

DANGEROUS LEVELS OF HEAT STRESS WILL PERSIST FROM THURSDAY THROUGH
THE UPCOMING WEEKEND...AS HIGH HUMIDITY WILL COMBINE WITH
TEMPERATURES RISING INTO THE MID TO UPPER 90S...WHICH WILL PRODUCE
WIDESPREAD HEAT INDEX VALUES OF 105-110 DEGREES. HEAT INDICES COULD
POTENTIALLY EXCEED 110 DEGREES FOR WESTERN PORTIONS OF THE AREA ON
THURSDAY...AND AN EXCESSIVE HEAT WATCH IS IN EFFECT.

OTHERWISE...THERE IS A CHANCE OF MAINLY AFTERNOON AND EARLY EVENING
THUNDERSTORMS FROM THURSDAY THROUGH TUESDAY. GUSTY WINDS...FREQUENT
LIGHTNING...AND LOCALLY HEAVY RAINFALL WILL BE THE PRIMARY HAZARDS
WITH ANY STORMS THAT DEVELOP.

.SPOTTER CALL TO ACTION STATEMENT...

ACTIVATION OF STORM SPOTTERS AND EMERGENCY MANAGEMENT PERSONNEL IS
REQUESTED.

70/DD

In the hours before

Special weather statement, Aug 4, 3:14 AM CDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
314 AM CDT THU AUG 4 2011

ALZ007-016-040900-
CULLMAN-MORGAN-
314 AM CDT THU AUG 4 2011

...SIGNIFICANT WEATHER ADVISORY FOR CULLMAN AND MORGAN COUNTIES UNTIL
400 AM CDT...

AT 310 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES WEST OF
ARAB TO 15 MILES SOUTHWEST OF HARTSELLE...MOVING SOUTH AT 20 MPH.

PEA SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THESE STORMS.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  WEST POINT...SOUTH VINEMONT.
  HOLLY POND...CULLMAN.
  WALTER...CRANE HILL.

SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT
THURSDAY MORNING FOR NORTHERN ALABAMA.

&&

LAT...LON 3399 8713 3435 8711 3438 8658 3431 8658
      3430 8649 3426 8647 3424 8652 3412 8660
      3411 8663 3407 8669 3406 8668 3405 8670
      3404 8670 3395 8679 3392 8688 3391 8709
TIME...MOT...LOC 0814Z 345DEG 19KT 3428 8659 3426 8711

RSB
Local storm report, Aug 4, 3:20 AM CDT, 2 hours 33 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HUNTSVILLE AL
320 AM CDT THU AUG 04 2011

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

1150 PM     TSTM WND GST     HARVEST                 34.86N 86.75W
08/03/2011  E60.00 MPH       MADISON            AL   TRAINED SPOTTER

            GUST ESTIMATED 1 MILE WEST OF WALL TRIANA AND PINE GROVE
            ROADS IN HARVEST.

1154 PM     TSTM WND GST     HARVEST                 34.86N 86.75W
08/03/2011  E70.00 MPH       MADISON            AL   TRAINED SPOTTER

1200 AM     TSTM WND DMG     HUNTSVILLE              34.73N 86.59W
08/04/2011                   MADISON            AL   PUBLIC

            NUMEROUS POWER OUTAGES REPORTED ACROSS MADISON COUNTY.

1210 AM     TSTM WND DMG     NE HUNTSVILLE           34.73N 86.59W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            LARGE TREE BLOWN DOWN ON WINDOVER AVENUE. TIME ESTIMATED.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            POWER LINES BLOWN DOWN IN MONROVIA ON KNOTTS CREEK AND
            BALCH ROAD.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            LARGE TREE DOWN ON CARTER ROAD IN HARVEST. A UTILITY POLE
            IS LEANING SEVERELY AS WELL AT THE SAME LOCATION.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   TRAINED SPOTTER

            TRAMPOLINE FLEW OVER A HOUSE AND LANDED ON A VEHICLE ON
            BANMALK DRIVE IN HARVEST. NO INJURIES OCCURRED.

1230 AM     TSTM WND DMG     FAYETTEVILLE            35.15N 86.56W
08/04/2011                   LINCOLN            TN   911 CALL CENTER

            NUMEROUS REPORTS OF TREES AND POWER LINES DOWN IN LINCOLN
            COUNTY. SEVERAL STREETS INCLUDE OAK STREET... CLAY
            STREET...LEWISBURG HWY...KIDD RD...NORTH MAIN

            STREET...THORNTON TAYLOR PARKWAY...AND OLD MULBERRY ROAD.

1230 AM     TSTM WND GST     3 NW CULLMAN            34.21N 86.88W
08/04/2011  E46.00 MPH       CULLMAN            AL   PUBLIC

            MEASURED 3 MILES NW OF THE CULLMAN AIRPORT

1255 AM     TSTM WND DMG     WEST POINT              34.24N 86.96W
08/04/2011                   CULLMAN            AL   PUBLIC

            20 YEAR OLD MEDIUM SIZED TREE BLOWN DOWN ON COUNTY ROAD
            1117 IN WEST POINT.

0257 AM     TSTM WND DMG     4 WSW TUSCUMBIA         34.71N 87.77W
08/04/2011                   COLBERT            AL   EMERGENCY MNGR

            TREE DOWN ON A HOUSE ON LOCUST LANE IN THE LOCUST SHORES
            COMMUNITY. WOMAN IS TRAPPED UNDER THE TREE AND THE FIRE
            DEPARTMENT IS ON THE SCENE. POSSIBLE INJURIES.

&&

AMIN
Special weather statement, Aug 4, 3:20 AM CDT, 2 hours 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
320 AM CDT THU AUG 4 2011

ALZ001-005>007-040900-
LAUDERDALE-LIMESTONE-MADISON-MORGAN-
320 AM CDT THU AUG 4 2011

...SIGNIFICANT WEATHER ADVISORY FOR LAUDERDALE...LIMESTONE...MADISON
AND MORGAN COUNTIES UNTIL 400 AM CDT...

AT 314 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR LESTER...OR 15 MILES NORTHWEST OF ATHENS...
MOVING SOUTHEAST AT 20 MPH.

PEA SIZE HAIL...WINDS UP TO 40 MPH...FREQUENT CLOUD TO GROUND
LIGHTNING...AND HEAVY DOWNPOURS ARE EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  LEGGTOWN...CAIRO...CARTWRIGHT...ELKMONT...
  RIPLEY....ATHENS...AND TANNER.

SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

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 3500 8701 3452 8656 3450 8707 3458 8711
      3469 8711 3473 8715 3475 8720 3500 8734
TIME...MOT...LOC 0819Z 322DEG 15KT 3495 8712

RSB
Special weather statement, Aug 4, 3:50 AM CDT, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
350 AM CDT THU AUG 4 2011

ALZ004-007-016-040930-
CULLMAN-LAWRENCE-MORGAN-
350 AM CDT THU AUG 4 2011

...SIGNIFICANT WEATHER ADVISORY FOR CULLMAN...LAWRENCE AND MORGAN
COUNTIES UNTIL 430 AM CDT...

AT 349 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES NORTHWEST OF
ADDISON TO DANVILLE...OR ALONG A LINE EXTENDING FROM 15 MILES SOUTH
OF MOULTON TO 8 MILES SOUTHWEST OF HARTSELLE...MOVING SOUTHEAST AT 25
MPH.

WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING...AND HEAVY
DOWNPOURS ARE EXPECTED WITH THESE STORMS.

* LOCATIONS IN OR NEAR THE PATH INCLUDE...
  MASSEY.
  FALKVILLE.
  LACON...BATTLEGROUND.
  JONES CHAPEL.
  WEST POINT.
  BALDWIN...CRANE HILL.

SEEK SHELTER AND STAY AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 500 AM CDT
THURSDAY MORNING FOR NORTHERN ALABAMA.

&&

LAT...LON 3429 8712 3430 8729 3451 8738 3459 8706
      3420 8677 3404 8711
TIME...MOT...LOC 0850Z 315DEG 20KT 3427 8724 3439 8705

SL
Local storm report, Aug 4, 4:11 AM CDT, 1 hour 42 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HUNTSVILLE AL
411 AM CDT THU AUG 04 2011

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

1150 PM     TSTM WND GST     HARVEST                 34.86N 86.75W
08/03/2011  E60.00 MPH       MADISON            AL   TRAINED SPOTTER

            GUST ESTIMATED 1 MILE WEST OF WALL TRIANA AND PINE GROVE
            ROADS IN HARVEST.

1154 PM     TSTM WND GST     HARVEST                 34.86N 86.75W
08/03/2011  E70.00 MPH       MADISON            AL   TRAINED SPOTTER

1200 AM     TSTM WND DMG     HUNTSVILLE              34.73N 86.59W
08/04/2011                   MADISON            AL   PUBLIC

            NUMEROUS POWER OUTAGES REPORTED ACROSS MADISON COUNTY.

1210 AM     TSTM WND DMG     NE HUNTSVILLE           34.73N 86.59W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            LARGE TREE BLOWN DOWN ON WINDOVER AVENUE. TIME ESTIMATED.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            POWER LINES BLOWN DOWN IN MONROVIA ON KNOTTS CREEK AND
            BALCH ROAD.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            LARGE TREE DOWN ON CARTER ROAD IN HARVEST. A UTILITY POLE
            IS LEANING SEVERELY AS WELL AT THE SAME LOCATION.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   TRAINED SPOTTER

            TRAMPOLINE FLEW OVER A HOUSE AND LANDED ON A VEHICLE ON
            BANMALK DRIVE IN HARVEST. NO INJURIES OCCURRED.

1220 AM     TSTM WND DMG     ATHENS                  34.80N 86.97W
08/04/2011                   LIMESTONE          AL   EMERGENCY MNGR

            NUMEROUS REPORTS OF WIND DAMAGE ACROSS LIMESTONE COUNTY.
            LIGHTNING HAS ALSO STARTED SEVERAL FIRES...AND POWER IS
            OUT TO A LARGE PORTION OF THE COUNTY.

1220 AM     TSTM WND DMG     HORTON                  34.20N 86.30W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREE DOWN ON NIXON CHAPEL ROAD.

1230 AM     TSTM WND DMG     FAYETTEVILLE            35.15N 86.56W
08/04/2011                   LINCOLN            TN   911 CALL CENTER

            NUMEROUS REPORTS OF TREES AND POWER LINES DOWN IN LINCOLN
            COUNTY. SEVERAL STREETS INCLUDE OAK STREET... CLAY
            STREET...LEWISBURG HWY...KIDD RD...NORTH MAIN

            STREET...THORNTON TAYLOR PARKWAY...AND OLD MULBERRY ROAD.

1230 AM     TSTM WND GST     3 NW CULLMAN            34.21N 86.88W
08/04/2011  E46.00 MPH       CULLMAN            AL   PUBLIC

            MEASURED 3 MILES NW OF THE CULLMAN AIRPORT

1255 AM     TSTM WND DMG     WEST POINT              34.24N 86.96W
08/04/2011                   CULLMAN            AL   PUBLIC

            20 YEAR OLD MEDIUM SIZED TREE BLOWN DOWN ON COUNTY ROAD
            1117 IN WEST POINT.

0138 AM     LIGHTNING        HEBRON                  34.49N 86.38W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREE ON FIRE ON MERYL MOUNTAIN ROAD IN THE HEBRON
            COMMUNITY.

0138 AM     TSTM WND DMG     GRANT                   34.53N 86.25W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREE BLOCKING FLOYD ROAD IN THE BEULAH COMMUNITY.

0144 AM     TSTM WND DMG     DOUGLAS                 34.17N 86.32W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREE DOWN ON ROBERTSON LANE IN THE DOUGLAS COMMUNITY.

0150 AM     TSTM WND DMG     GUNTERSVILLE            34.36N 86.29W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            NUMEROUS TREES DOWN IN AND AROUND GUNTERSVILLE...
            INCLUDING THE WARRENTON COMMUNITY AND ON WILLOW BEACH
            ROAD BETWEEN SUNSET AND HWY 79.

0202 AM     TSTM WND DMG     GRANT                   34.53N 86.25W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREES DOWN ON BISHOP MOUNTAIN ROAD IN GRANT.

0210 AM     TSTM WND DMG     KILPATRICK              34.27N 86.08W
08/04/2011                   DEKALB             AL   EMERGENCY MNGR

            SEVERAL TREES BLOWN DOWN IN KILPATRICK ON THE
            MARSHALL-DEKALB COUNTY LINE.

0257 AM     TSTM WND DMG     4 WSW TUSCUMBIA         34.71N 87.77W
08/04/2011                   COLBERT            AL   EMERGENCY MNGR

            TREE DOWN ON A HOUSE ON LOCUST LANE IN THE LOCUST SHORES
            COMMUNITY. WOMAN IS TRAPPED UNDER THE TREE AND THE FIRE
            DEPARTMENT IS ON THE SCENE. POSSIBLE INJURIES.

&&

AMIN
Local storm report, Aug 4, 4:27 AM CDT, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE HUNTSVILLE AL
427 AM CDT THU AUG 04 2011

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

1150 PM     TSTM WND GST     HARVEST                 34.86N 86.75W
08/03/2011  E60.00 MPH       MADISON            AL   TRAINED SPOTTER

            GUST ESTIMATED 1 MILE WEST OF WALL TRIANA AND PINE GROVE
            ROADS IN HARVEST.

1154 PM     TSTM WND GST     HARVEST                 34.86N 86.75W
08/03/2011  E70.00 MPH       MADISON            AL   TRAINED SPOTTER

1200 AM     TSTM WND DMG     HUNTSVILLE              34.73N 86.59W
08/04/2011                   MADISON            AL   PUBLIC

            NUMEROUS POWER OUTAGES REPORTED ACROSS MADISON COUNTY.

1210 AM     TSTM WND DMG     NE HUNTSVILLE           34.73N 86.59W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            LARGE TREE BLOWN DOWN ON WINDOVER AVENUE. TIME ESTIMATED.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            POWER LINES BLOWN DOWN IN MONROVIA ON KNOTTS CREEK AND
            BALCH ROAD.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   TRAINED SPOTTER

            TRAMPOLINE FLEW OVER A HOUSE AND LANDED ON A VEHICLE ON
            BANMALK DRIVE IN HARVEST. NO INJURIES OCCURRED.

1215 AM     TSTM WND DMG     HARVEST                 34.86N 86.75W
08/04/2011                   MADISON            AL   EMERGENCY MNGR

            LARGE TREE DOWN ON CARTER ROAD IN HARVEST. A UTILITY POLE
            IS LEANING SEVERELY AS WELL AT THE SAME LOCATION.

1220 AM     TSTM WND DMG     HORTON                  34.20N 86.30W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREE DOWN ON NIXON CHAPEL ROAD.

1220 AM     TSTM WND DMG     ATHENS                  34.80N 86.97W
08/04/2011                   LIMESTONE          AL   EMERGENCY MNGR

            NUMEROUS REPORTS OF WIND DAMAGE ACROSS LIMESTONE COUNTY.
            LIGHTNING HAS ALSO STARTED SEVERAL FIRES...AND POWER IS
            OUT TO A LARGE PORTION OF THE COUNTY.

1230 AM     TSTM WND DMG     FAYETTEVILLE            35.15N 86.56W
08/04/2011                   LINCOLN            TN   911 CALL CENTER

            NUMEROUS REPORTS OF TREES AND POWER LINES DOWN IN LINCOLN
            COUNTY. SEVERAL STREETS INCLUDE OAK STREET... CLAY
            STREET...LEWISBURG HWY...KIDD RD...NORTH MAIN

            STREET...THORNTON TAYLOR PARKWAY...AND OLD MULBERRY ROAD.

1230 AM     TSTM WND GST     3 NW CULLMAN            34.21N 86.88W
08/04/2011  E46.00 MPH       CULLMAN            AL   PUBLIC

            MEASURED 3 MILES NW OF THE CULLMAN AIRPORT

1255 AM     TSTM WND DMG     WEST POINT              34.24N 86.96W
08/04/2011                   CULLMAN            AL   PUBLIC

            20 YEAR OLD MEDIUM SIZED TREE BLOWN DOWN ON COUNTY ROAD
            1117 IN WEST POINT.

0100 AM     TSTM WND DMG     GUNTERSVILLE            34.36N 86.29W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            POWER OUTAGE ALONG HIGHWAY 431 IN GUNTERSVILLE MAINLY
            NEAR ALBERTVILLE CITY LIMIT.

0138 AM     LIGHTNING        HEBRON                  34.49N 86.38W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREE ON FIRE ON MERYL MOUNTAIN ROAD IN THE HEBRON
            COMMUNITY.

0138 AM     TSTM WND DMG     GRANT                   34.53N 86.25W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREE BLOCKING FLOYD ROAD IN THE BEULAH COMMUNITY.

0144 AM     TSTM WND DMG     DOUGLAS                 34.17N 86.32W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREE DOWN ON ROBERTSON LANE IN THE DOUGLAS COMMUNITY.

0150 AM     TSTM WND DMG     GUNTERSVILLE            34.36N 86.29W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            NUMEROUS TREES DOWN IN AND AROUND GUNTERSVILLE...
            INCLUDING THE WARRENTON COMMUNITY AND ON WILLOW BEACH
            ROAD BETWEEN SUNSET AND HWY 79.

0202 AM     TSTM WND DMG     GRANT                   34.53N 86.25W
08/04/2011                   MARSHALL           AL   EMERGENCY MNGR

            TREES DOWN ON BISHOP MOUNTAIN ROAD IN GRANT.

0210 AM     TSTM WND DMG     KILPATRICK              34.27N 86.08W
08/04/2011                   DEKALB             AL   EMERGENCY MNGR

            SEVERAL TREES BLOWN DOWN IN KILPATRICK ON THE
            MARSHALL-DEKALB COUNTY LINE.

0257 AM     TSTM WND DMG     4 WSW TUSCUMBIA         34.71N 87.77W
08/04/2011                   COLBERT            AL   EMERGENCY MNGR

            TREE DOWN ON A HOUSE ON LOCUST LANE IN THE LOCUST SHORES
            COMMUNITY. WOMAN IS TRAPPED UNDER THE TREE AND THE FIRE
            DEPARTMENT IS ON THE SCENE. POSSIBLE INJURIES.

&&

SLATIMER

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 10:39 PM CDTHeat AdvisoryHUNColbert, Cullman, DeKalb, Franklin, Jackson, Lauderdale and 5 more7 hr
Aug 3, 11:31 PM CDTSpecial Weather StatementHUNJackson29 min
Aug 3, 11:36 PM CDTSevere Thunderstorm WarningHUNMadison24 min
Aug 3, 11:45 PM CDTSevere Thunderstorm WarningHUNLauderdale, Lawrence, Limestone, Madison30 min
Aug 3, 11:58 PM CDTSevere Thunderstorm WarningHUNJackson, Madison32 min
Aug 4, 12:04 AM CDTFlash Flood WarningHUNJackson, Lauderdale, Lawrence, Limestone, Madison3 hr
Aug 4, 12:13 AM CDTSevere Thunderstorm WarningHUNLauderdale, Lawrence, Limestone, Madison, Marshall, Morgan47 min
Aug 4, 12:20 AM CDTSevere Thunderstorm WarningHUNCullman, Lawrence, Madison, Marshall, Morgan40 min
Aug 4, 12:30 AM CDTSpecial Weather StatementHUNDeKalb, Jackson45 min
Aug 4, 12:45 AM CDTSevere Thunderstorm WarningHUNCullman30 min
Aug 4, 12:46 AM CDTSevere Thunderstorm WarningHUNDeKalb, Jackson, Marshall31 min
Aug 4, 1:22 AM CDTSpecial Weather StatementHUNLimestone38 min
Aug 4, 1:35 AM CDTSevere Thunderstorm WarningHUNLauderdale, Limestone40 min
Aug 4, 1:55 AM CDTSevere Thunderstorm WarningHUNLimestone, Madison, Morgan50 min
Aug 4, 2:13 AM CDTSevere Thunderstorm WarningHUNColbert, Lauderdale47 min
Aug 4, 2:30 AM CDTSevere Thunderstorm WarningHUNLawrence, Limestone, Madison, Morgan45 min
Aug 4, 2:38 AM CDTFlash Flood WarningHUNCullman, DeKalb, Jackson, Lawrence, Limestone, Madison and 2 more3 hr
Aug 4, 2:46 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lauderdale, Lawrence44 min
Aug 4, 2:57 AM CDTAreal Flood WarningHUNJackson, Lauderdale, Lawrence, Limestone, Madison6 hr
Aug 4, 3:05 AM CDTSevere Thunderstorm WarningHUNLawrence40 min
Aug 4, 3:09 AM CDTFlash Flood WarningHUNColbert, Lauderdale, Lawrence3 hr
Aug 4, 3:14 AM CDTSpecial Weather StatementHUNCullman46 min
Aug 4, 3:20 AM CDTSpecial Weather StatementHUNLimestone40 min
Aug 4, 3:21 AM CDTSevere Thunderstorm WarningHUNFranklin, Lawrence39 min
Aug 4, 3:50 AM CDTSpecial Weather StatementHUNMorgan40 min
Aug 4, 5:35 AM CDTAreal Flood WarningHUNCullman, DeKalb, Jackson, Lawrence, Limestone, Madison and 2 more3 hr
Aug 4, 5:37 AM CDTHeat AdvisoryHUNColbert, Cullman, Franklin, Lauderdale, Lawrence, Limestone and 3 more5 hr
Aug 4, 6:00 AM CDTAreal Flood WarningHUNColbert, Lauderdale, Lawrence3 hr
Aug 4, 6:01 AM CDTSpecial Weather StatementHUNMorgan44 min
Aug 4, 6:25 AM CDTSpecial Weather StatementHUNLimestone50 min
Aug 4, 6:29 AM CDTSevere Thunderstorm WarningHUNColbert, Franklin, Lawrence46 min
Aug 4, 7:11 AM CDTSpecial Weather StatementHUNLimestone, Morgan64 min
Aug 4, 7:15 AM CDTSpecial Weather StatementHUNLawrence30 min
Aug 4, 7:50 AM CDTSpecial Weather StatementHUNLimestone55 min
Aug 4, 8:21 AM CDTSpecial Weather StatementHUNDeKalb24 min
Aug 4, 8:37 AM CDTSpecial Weather StatementHUNMorgan53 min
Aug 4, 9:45 AM CDTSpecial Weather StatementHUNMorgan30 min
Aug 4, 9:55 AM CDTSpecial Weather StatementHUNMadison50 min
Aug 4, 10:03 AM CDTSevere Thunderstorm WarningHUNMadison42 min
Aug 4, 10:09 AM CDTSpecial Weather StatementHUNDeKalb51 min
Aug 4, 10:15 AM CDTSpecial Weather StatementHUNDeKalb45 min
Aug 4, 10:25 AM CDTSpecial Weather StatementHUNJackson35 min
Aug 4, 10:43 AM CDTSpecial Weather StatementHUNMarshall47 min
Aug 4, 10:50 AM CDTSpecial Weather StatementHUNDeKalb40 min
Aug 4, 10:54 AM CDTSpecial Weather StatementHUNMarshall36 min
Aug 4, 11:05 AM CDTSevere Thunderstorm WarningHUNMarshall25 min
Aug 4, 11:11 AM CDTSpecial Weather StatementHUNDeKalb49 min
Aug 4, 11:14 AM CDTSpecial Weather StatementHUNCullman31 min
Aug 4, 11:17 AM CDTSpecial Weather StatementHUNJackson28 min
Aug 4, 11:24 AM CDTSpecial Weather StatementHUNMarshall51 min
Aug 4, 11:34 AM CDTSevere Thunderstorm WarningHUNJackson26 min
Aug 4, 11:53 AM CDTSpecial Weather StatementHUNDeKalb22 min
Aug 4, 12:01 PM CDTSpecial Weather StatementHUNDeKalb44 min
Aug 4, 12:04 PM CDTSpecial Weather StatementHUNMadison26 min
Aug 4, 12:45 PM CDTSpecial Weather StatementHUNDeKalb45 min
Aug 4, 12:55 PM CDTSpecial Weather StatementHUNJackson50 min
Aug 4, 1:05 PM CDTSpecial Weather StatementHUNJackson55 min
Aug 4, 1:14 PM CDTSpecial Weather StatementHUNMarshall46 min
Aug 4, 1:25 PM CDTSpecial Weather StatementHUNMorgan50 min
Aug 4, 1:57 PM CDTSpecial Weather StatementHUNMarshall48 min
Aug 4, 2:09 PM CDTSpecial Weather StatementHUNDeKalb21 min
Aug 4, 2:27 PM CDTSpecial Weather StatementHUNBlount33 min
Aug 4, 2:43 PM CDTSpecial Weather StatementHUNFranklin47 min
Aug 4, 3:01 PM CDTSpecial Weather StatementHUNFranklin29 min
Aug 4, 3:06 PM CDTSevere Thunderstorm WarningHUNColbert, Franklin39 min
Aug 4, 3:16 PM CDTSpecial Weather StatementHUNLawrence44 min
Aug 4, 3:18 PM CDTSpecial Weather StatementHUNLawrence42 min
Aug 4, 3:42 PM CDTSevere Thunderstorm WarningHUNFranklin15 min
Aug 4, 4:03 PM CDTSpecial Weather StatementHUNLauderdale27 min
Aug 4, 4:17 PM CDTSpecial Weather StatementHUNCullman43 min
Aug 4, 4:47 PM CDTSpecial Weather StatementHUNColbert43 min
Aug 4, 4:56 PM CDTSpecial Weather StatementHUNLauderdale34 min
Aug 4, 5:36 PM CDTSpecial Weather StatementHUNColbert, Lawrence24 min
Aug 4, 5:47 PM CDTFlash Flood WarningHUNColbert, Lauderdale3 hr
Aug 4, 5:56 PM CDTSpecial Weather StatementHUNFranklin, Lawrence34 min
Aug 4, 6:11 PM CDTSevere Thunderstorm WarningHUNFranklin, Lawrence38 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2011Every severe thunderstorm 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.