Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 108, NWS Birmingham, AL

May 4, 2021Chambers County, Lee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 4, 2021, 6:41 PM CDT for Chambers County, Lee County, Alabama. It was in force for 61 min. 5 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
May 4, 2021, 6:41 PM CDT (23:41 UTC)
Expired
May 4, 2021, 7:42 PM CDT
In force
61 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Chambers County, AL, Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 49 km from the middle of the area, began a volume at 23:42 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
May 4, 7:03 PM CDTTSTM WND DMG2 Wsw Auburn University, ALTREE DOWN ON A HOME AT CONWAY ACRES ON WIRE RD.
May 4, 7:06 PM CDTTSTM WND DMGAuburn, ALTREES BLOWN DOWN AT VARIOUS LOCATIONS ACROSS THE AUBURN AREA.
May 4, 7:13 PM CDTTSTM WND DMGBeauregard, ALTREES BLOWN DOWN AT VARIOUS LOCATIONS IN THE BEAUREGARD AREA.
May 4, 7:14 PM CDTTSTM WND DMG1 Nne Opelika, ALTREES BLOWN DOWN AT VARIOUS LOCATIONS IN THE OPELIKA AREA. POWER LINES ALSO DOWNED.
May 4, 7:30 PM CDTTSTM WND DMG1 Ssw Lanett, ALTREES BLOWN DOWN AT VARIOUS LOCATIONS ACROSS CHAMBERS COUNTY, BUT ESPECIALLY IN THE LANETT AND VALLEY AREAS.

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

The watch it was issued in

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

IssuedProductOfficeLasted
May 4, 6:26 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 11.7 hours before the alert went out and 107 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, Peachtre/Fal Fld, GA at 12:00Z on 2021-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 590 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2021-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 207 square meters per square second.193958Sfc1 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
590 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
753 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
207 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted.

640 
WUUS54 KBMX 042341
SVRBMX
ALC017-081-050100-
/O.NEW.KBMX.SV.W.0108.210504T2341Z-210505T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
641 PM CDT Tue May 4 2021

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  Lee County in east central Alabama...
  Chambers County in east central Alabama...

* Until 800 PM CDT.

* At 640 PM CDT, severe thunderstorms were located along a line
  extending from 6 miles west of Goldville to Still Waters Resort to
  near Tysonville, moving east at 60 mph.

  HAZARD...60 mph wind gusts. A wind gust to 58 mph was recently 
           recorded at the Montgomery airport. Wind damage has also 
           been reported with this line of storms.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Auburn, Opelika, Valley, Lanett, Notasulga, Smiths, Stroud,
  Lafayette, Smiths Station, La Fayette, Waverly, Lakeview, Cusseta,
  Beulah, Beauregard, Sturkie, Trammel Crossroads, Buffalo, Huguley
  and Fairfax.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for east central
Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3251 8506 3247 8506 3247 8533 3241 8533
      3241 8543 3250 8544 3250 8549 3258 8570
      3270 8570 3273 8559 3311 8559 3311 8523
      3286 8519 3285 8516 3281 8517 3278 8512
      3276 8514 3274 8511 3265 8511 3251 8500
TIME...MOT...LOC 2340Z 278DEG 51KT 3311 8588 3274 8585 3243 8601 

HAIL...<.75IN
WIND...60MPH
 
$$

89^GSatterwhite
3 follow-up statements
132 
WWUS54 KBMX 050009
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
709 PM CDT Tue May 4 2021

ALC017-081-050100-
/O.CON.KBMX.SV.W.0108.000000T0000Z-210505T0100Z/
Lee AL-Chambers AL-
709 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR LEE AND CHAMBERS COUNTIES...

At 708 PM CDT, severe thunderstorms were located along a line
extending from Abanda to near Opelika to near Tuskegee National
Forest, moving east at 55 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Auburn, Opelika, Valley, Lanett, Notasulga, Smiths, Stroud,
Lafayette, Smiths Station, La Fayette, Waverly, Lakeview, Cusseta,
Beulah, Beauregard, Sturkie, Trammel Crossroads, Buffalo, Huguley and
Fairfax.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for east central
Alabama.

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3251 8506 3247 8506 3247 8533 3241 8533
      3241 8543 3250 8544 3250 8549 3258 8570
      3270 8570 3273 8559 3311 8559 3311 8523
      3286 8519 3285 8516 3281 8517 3278 8512
      3276 8514 3274 8511 3265 8511 3251 8500
TIME...MOT...LOC 0008Z 277DEG 50KT 3309 8553 3268 8544 3243 8556 

HAIL...<.75IN
WIND...60MPH
 
$$

89^GSatterwhite
723 
WWUS54 KBMX 050032
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
732 PM CDT Tue May 4 2021

ALC017-081-050100-
/O.CON.KBMX.SV.W.0108.000000T0000Z-210505T0100Z/
Lee AL-Chambers AL-
732 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR EASTERN LEE AND EASTERN CHAMBERS COUNTIES...

At 732 PM CDT, severe thunderstorms were located along a line
extending from Standing Rock to 6 miles north of Smiths to 7 miles
northeast of Spring Hill, moving east at 60 mph.

HAZARD...60 mph wind gusts. A wind gust to 53 mph was recently 
         recorded at the Troy Airport. Wind damage has also been 
         reported with this line of storms.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Valley, Lanett, Smiths, Stroud, Smiths Station, Lakeview, Cusseta,
Beulah, Post Oak Forks, Denson, Beans Mill, River View, Amity Park,
Standing Rock, Bleecker, Welch, Fredonia, Veasey Creek Park, Huguley
and Fairfax.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3280 8532 3311 8544 3311 8523 3286 8519
      3285 8516 3281 8517 3278 8512 3276 8514
      3274 8511 3265 8511 3251 8500 3251 8506
      3247 8506 3247 8533 3259 8528
TIME...MOT...LOC 0032Z 277DEG 51KT 3309 8524 3264 8507 3217 8528 

HAIL...<.75IN
WIND...60MPH
 
$$

89^GSatterwhite
983 
WWUS54 KBMX 050042
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
742 PM CDT Tue May 4 2021

ALC017-081-050052-
/O.CAN.KBMX.SV.W.0108.000000T0000Z-210505T0100Z/
Lee AL-Chambers AL-
742 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN LEE AND EASTERN
CHAMBERS COUNTIES IS CANCELLED...
    
The storms which prompted the warning have moved into Georgia.
Therefore, the warning has been cancelled.  However gusty winds and
heavy rain are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until midnight CDT for
southeastern and east central Alabama.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Birmingham.

LAT...LON 3280 8532 3311 8544 3311 8523 3286 8519
      3285 8516 3281 8517 3278 8512 3276 8514
      3274 8511 3265 8511 3251 8500 3251 8506
      3247 8506 3247 8533 3259 8528
TIME...MOT...LOC 0041Z 278DEG 51KT 3307 8509 3262 8492 3215 8513 

$$

89^GSatterwhite

The office that day

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

IssuedProductOfficeCountiesLasted
May 3, 7:02 PM CDTSevere Thunderstorm WarningBMXElmore, Montgomery43 min
May 3, 7:13 PM CDTSevere Thunderstorm WarningBMXBibb, Chilton, Perry32 min
May 3, 7:25 PM CDTFlash Flood WarningBMXAutauga, Elmore, Macon, Montgomery5 hr
May 3, 7:29 PM CDTAreal Flood AdvisoryBMXChambers, Lee, Macon, Tallapoosa2 hr
May 3, 7:40 PM CDTSevere Thunderstorm WarningBMXElmore, Macon, Montgomery47 min
May 3, 7:46 PM CDTSpecial Weather StatementBMXChilton44 min
May 3, 8:30 PM CDTSpecial Weather StatementBMXLee, Macon45 min
May 3, 8:36 PM CDTSpecial Weather StatementBMXChilton39 min
May 3, 8:51 PM CDTAreal Flood AdvisoryBMXBibb, Chilton, Perry3 hr
May 3, 8:59 PM CDTSpecial Weather StatementBMXRussell46 min
May 3, 9:31 PM CDTSpecial Weather StatementBMXShelby59 min
May 4, 7:27 AM CDTSpecial Weather StatementBMXMarion48 min
May 4, 7:57 AM CDTSpecial Weather StatementBMXLamar, Marion48 min
May 4, 9:07 AM CDTSevere Thunderstorm WarningBMXWinston38 min
May 4, 10:26 AM CDTSevere Thunderstorm WarningBMXBlount23 min
May 4, 10:59 AM CDTSpecial Weather StatementBMXWalker31 min
May 4, 11:00 AM CDTAreal Flood AdvisoryBMXFayette, Lamar, Walker3 hr
May 4, 11:06 AM CDTAreal Flood AdvisoryBMXBlount, Calhoun, Cherokee, Etowah, St. Clair3 hr
May 4, 11:12 AM CDTTornado WarningBMXFayette, Tuscaloosa21 min
May 4, 11:25 AM CDTSevere Thunderstorm WarningBMXJefferson, Walker50 min
May 4, 11:45 AM CDTAreal Flood AdvisoryBMXJefferson2 hr
May 4, 11:49 AM CDTSevere Thunderstorm WarningBMXBlount, Jefferson, St. Clair26 min
May 4, 12:03 PM CDTFlash Flood WarningBMXBlount, Etowah, St. Clair117 min
May 4, 12:10 PM CDTFlash Flood WarningBMXJefferson7 hr
May 4, 12:14 PM CDTSevere Thunderstorm WarningBMXCalhoun, St. Clair, Talladega46 min
May 4, 12:17 PM CDTSevere Thunderstorm WarningBMXJefferson, St. Clair, Shelby28 min
May 4, 12:35 PM CDTFlash Flood WarningBMXCalhoun, Etowah, St. Clair, Talladega3 hr
May 4, 12:56 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cherokee, Cleburne, Talladega64 min
May 4, 1:15 PM CDTSevere Thunderstorm WarningBMXJefferson, Shelby30 min
May 4, 1:25 PM CDTTornado WarningBMXCleburne24 min
May 4, 1:39 PM CDTFlash Flood WarningBMXJefferson, St. Clair, Shelby5 hr
May 4, 2:07 PM CDTAreal Flood WarningBMXBlount, Calhoun, Cherokee, Etowah, St. Clair6 hr
May 4, 2:54 PM CDTAreal Flood AdvisoryBMXClay, Cleburne, Randolph, Shelby, Talladega3 hr
May 4, 3:50 PM CDTSevere Thunderstorm WarningBMXSumter55 min
May 4, 4:01 PM CDTFlash Flood WarningBMXShelby, Talladega3 hr
May 4, 4:05 PM CDTFlash Flood WarningBMXBibb, Tuscaloosa3 hr
May 4, 4:13 PM CDTSevere Thunderstorm WarningBMXTuscaloosa29 min
May 4, 4:20 PM CDTSevere Thunderstorm WarningBMXGreene55 min
May 4, 4:30 PM CDTSevere Thunderstorm WarningBMXHale, Marengo63 min
May 4, 4:45 PM CDTSpecial Weather StatementBMXWalker, Winston30 min
May 4, 5:00 PM CDTSevere Thunderstorm WarningBMXBibb, Chilton, Dallas, Perry75 min
May 4, 5:17 PM CDTFlash Flood Warning EmergencyCatastrophic damage threatBMXJefferson, Shelby3 hr
May 4, 5:29 PM CDTSevere Thunderstorm WarningBMXAutauga, Chilton, Lowndes76 min
May 4, 5:30 PM CDTTornado WarningBMXChilton, Perry30 min
May 4, 5:38 PM CDTTornado WarningBMXShelby12 min
May 4, 5:54 PM CDTSevere Thunderstorm WarningBMXCoosa50 min
May 4, 5:59 PM CDTSevere Thunderstorm WarningBMXElmore61 min
May 4, 6:07 PM CDTSevere Thunderstorm WarningBMXMontgomery68 min
May 4, 6:19 PM CDTSevere Thunderstorm WarningBMXTallapoosa56 min
May 4, 6:24 PM CDTTornado WarningBMXElmore, Montgomery13 min
May 4, 6:37 PM CDTSevere Thunderstorm WarningBMXBullock, Macon, Pike83 min
May 4, 6:48 PM CDTRiver Flood WarningBMXBibb, Jefferson, Shelby22 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2021Every severe thunderstorm warning in 2021

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.