Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 63, NWS Birmingham, AL

April 24, 2021Lee County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Apr 24, 2021, 3:58 PM CDT for Lee County, Alabama. It was in force for 35 min. 6 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 24, 2021, 3:58 PM CDT (20:58 UTC)
Expired
Apr 24, 2021, 4:33 PM CDT
In force
35 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
1.5 in
Wind
60.0 mph

County Lee County, AL

The radar

The Maxwell AFB radar (KMXX), 43 km from the middle of the area, began a volume at 20:58 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 24, 4:11 PM CDTHAIL 11 W Loachapoka, AL
Apr 24, 4:15 PM CDTHAIL 0.53 Nw Auburn University, ALREPORT FROM MPING: HALF-INCH (0.50 IN.).
Apr 24, 4:15 PM CDTHAIL 13 Nw Auburn University, ALREPORT FROM MPING: QUARTER (1.00 IN.).
Apr 24, 4:19 PM CDTHAIL 0.883 Ese Waverly, AL
Apr 24, 4:22 PM CDTHAIL 1.251 Ssw Ew Shell Fisherie, ALVIA SOCIAL MEDIA.
Apr 24, 4:36 PM CDTHAIL 12 Sw Ew Shell Fisheries, ALREPORT FROM MPING: QUARTER (1.00 IN.).

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
Apr 24, 1:17 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 9.0 hours before the alert went out and 112 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 2021-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2021-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 309 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
309 m²/s²
0-3 km storm-relative helicity
449 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

929 
WUUS54 KBMX 242058
SVRBMX
ALC081-242145-
/O.NEW.KBMX.SV.W.0063.210424T2058Z-210424T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
358 PM CDT Sat Apr 24 2021

The National Weather Service in Birmingham has issued a

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

* Until 445 PM CDT.

* At 358 PM CDT, a severe thunderstorm was located near Tuskegee,
  moving northeast at 55 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Auburn, Opelika, Notasulga, Waverly, Beulah, Beans Mill, Auburn
  University, Beauregard, Loachapoka, Robert G. Pitts Airport,
  Chewacla State Park, Roxana, Mount Jefferson and Bartletts Ferry
  Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3265 8511 3263 8509 3249 8544 3250 8549
      3257 8566 3258 8566 3258 8570 3270 8570
      3271 8561 3274 8557 3273 8543 3274 8541
      3273 8540 3273 8529 3275 8528 3275 8514
      3274 8511 3269 8512 3266 8509 3265 8509
TIME...MOT...LOC 2058Z 238DEG 48KT 3249 8570 

HAIL...1.50IN
WIND...60MPH
 
$$

32/Davis
3 follow-up statements
726 
WWUS54 KBMX 242104
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
404 PM CDT Sat Apr 24 2021

ALC081-242145-
/O.CON.KBMX.SV.W.0063.000000T0000Z-210424T2145Z/
Lee AL-
404 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR LEE COUNTY...

At 404 PM CDT, a severe thunderstorm was located near Tuskegee
National Forest, or near Notasulga, moving northeast at 55 mph.

HAZARD...Two inch hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Auburn, Opelika, Notasulga, Waverly, Beulah, Beans Mill, Auburn
University, Beauregard, Loachapoka, Robert G. Pitts Airport, Chewacla
State Park, Roxana, Mount Jefferson and Bartletts Ferry Dam.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3265 8511 3263 8509 3249 8544 3250 8549
      3257 8566 3258 8566 3258 8570 3270 8570
      3271 8561 3274 8557 3273 8543 3274 8541
      3273 8540 3273 8529 3275 8528 3275 8514
      3274 8511 3269 8512 3266 8509 3265 8509
TIME...MOT...LOC 2104Z 238DEG 48KT 3253 8562 

HAIL...2.00IN
WIND...60MPH
 
$$

32/Davis
933 
WWUS54 KBMX 242126
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
426 PM CDT Sat Apr 24 2021

ALC081-242145-
/O.CON.KBMX.SV.W.0063.000000T0000Z-210424T2145Z/
Lee AL-
426 PM CDT Sat Apr 24 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT
FOR NORTH CENTRAL LEE COUNTY...

At 426 PM CDT, a severe thunderstorm was located over Oak Bowery, or
near Opelika, moving northeast at 50 mph.

HAZARD...Two inch hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Opelika, Waverly and Mount Jefferson. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3267 8532 3266 8540 3266 8547 3269 8549
      3271 8554 3274 8557 3273 8543 3274 8541
      3273 8540 3273 8529 3275 8528 3275 8518
TIME...MOT...LOC 2126Z 220DEG 45KT 3273 8540 

HAIL...2.00IN
WIND...60MPH
 
$$

32/Davis
719 
WWUS54 KBMX 242133
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
433 PM CDT Sat Apr 24 2021

ALC081-242143-
/O.CAN.KBMX.SV.W.0063.000000T0000Z-210424T2145Z/
Lee AL-
433 PM CDT Sat Apr 24 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL LEE COUNTY IS
CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 900 PM CDT for
east central Alabama.

LAT...LON 3267 8532 3266 8540 3266 8547 3269 8549
      3271 8554 3274 8557 3273 8543 3274 8541
      3273 8540 3273 8529 3275 8528 3275 8518
TIME...MOT...LOC 2132Z 238DEG 48KT 3278 8530 

$$

32/Davis

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 4:37 AM CDTSpecial Weather StatementBMXLowndes68 min
Apr 24, 5:40 AM CDTSpecial Weather StatementBMXLowndes65 min
Apr 24, 6:24 AM CDTSpecial Weather StatementBMXMontgomery36 min
Apr 24, 6:26 AM CDTSpecial Weather StatementBMXPike49 min
Apr 24, 7:05 AM CDTSpecial Weather StatementBMXBarbour, Bullock, Lee, Macon, Russell55 min
Apr 24, 8:04 AM CDTSpecial Weather StatementBMXSumter26 min
Apr 24, 8:25 AM CDTSpecial Weather StatementBMXHale35 min
Apr 24, 8:55 AM CDTSpecial Weather StatementBMXPerry35 min
Apr 24, 9:02 AM CDTSpecial Weather StatementBMXMarengo28 min
Apr 24, 9:46 AM CDTSpecial Weather StatementBMXDallas29 min
Apr 24, 10:33 AM CDTSpecial Weather StatementBMXLowndes, Montgomery42 min
Apr 24, 11:05 AM CDTSpecial Weather StatementBMXMacon40 min
Apr 24, 3:11 PM CDTSpecial Weather StatementBMXPerry34 min
Apr 24, 3:22 PM CDTSpecial Weather StatementBMXMontgomery38 min
Apr 24, 3:26 PM CDTSpecial Weather StatementBMXFayette34 min
Apr 24, 3:27 PM CDTSpecial Weather StatementBMXWinston33 min
Apr 24, 3:28 PM CDTSevere Thunderstorm WarningBMXMacon, Montgomery32 min
Apr 24, 3:31 PM CDTSpecial Weather StatementBMXClay29 min
Apr 24, 3:35 PM CDTSevere Thunderstorm WarningBMXFayette, Marion, Walker, Winston40 min
Apr 24, 3:44 PM CDTSevere Thunderstorm WarningBMXMacon, Tallapoosa31 min
Apr 24, 4:00 PM CDTSpecial Weather StatementBMXWinston15 min
Apr 24, 4:01 PM CDTSpecial Weather StatementBMXRandolph44 min
Apr 24, 4:03 PM CDTSpecial Weather StatementBMXAutauga42 min
Apr 24, 4:14 PM CDTSpecial Weather StatementBMXWalker46 min
Apr 24, 4:14 PM CDTSevere Thunderstorm WarningBMXChambers33 min
Apr 24, 4:18 PM CDTSpecial Weather StatementBMXLowndes42 min
Apr 24, 4:22 PM CDTSpecial Weather StatementBMXRussell23 min
Apr 24, 4:29 PM CDTSpecial Weather StatementBMXBlount, Tuscaloosa61 min
Apr 24, 4:31 PM CDTSevere Thunderstorm WarningBMXJefferson, Walker29 min
Apr 24, 4:35 PM CDTSevere Thunderstorm WarningBMXElmore, Montgomery36 min
Apr 24, 4:35 PM CDTSevere Thunderstorm WarningBMXBlount, Jefferson25 min
Apr 24, 4:52 PM CDTSpecial Weather StatementBMXChambers, Randolph, Tallapoosa38 min
Apr 24, 4:55 PM CDTSevere Thunderstorm WarningBMXLee, Macon, Tallapoosa38 min
Apr 24, 4:58 PM CDTSevere Thunderstorm WarningBMXJefferson, St. Clair32 min
Apr 24, 5:02 PM CDTSevere Thunderstorm WarningBMXBlount, St. Clair28 min
Apr 24, 5:17 PM CDTSevere Thunderstorm WarningBMXCalhoun, Etowah, St. Clair43 min
Apr 24, 5:23 PM CDTSevere Thunderstorm WarningBMXPike52 min
Apr 24, 5:25 PM CDTSpecial Weather StatementBMXBibb, St. Clair, Shelby35 min
Apr 24, 5:37 PM CDTSevere Thunderstorm WarningBMXBibb, Shelby, Talladega23 min
Apr 24, 5:40 PM CDTSevere Thunderstorm WarningBMXCalhoun, St. Clair, Shelby, Talladega35 min
Apr 24, 5:43 PM CDTSevere Thunderstorm WarningBMXBarbour, Bullock47 min
Apr 24, 5:44 PM CDTSevere Thunderstorm WarningBMXCherokee31 min
Apr 24, 5:52 PM CDTSevere Thunderstorm WarningBMXCalhoun, Cherokee, Cleburne, Etowah37 min
Apr 24, 5:58 PM CDTSpecial Weather StatementBMXShelby32 min
Apr 24, 6:09 PM CDTSevere Thunderstorm WarningBMXCalhoun, Clay, Cleburne, Shelby, Talladega51 min
Apr 24, 6:12 PM CDTSevere Thunderstorm WarningBMXBarbour18 min
Apr 24, 6:22 PM CDTSevere Thunderstorm WarningBMXBarbour, Pike38 min
Apr 24, 6:28 PM CDTSevere Thunderstorm WarningBMXCleburne32 min
Apr 24, 6:37 PM CDTSpecial Weather StatementBMXClay, Randolph38 min
Apr 24, 6:48 PM CDTSevere Thunderstorm WarningBMXChambers, Clay, Randolph, Tallapoosa57 min

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.