Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 107, NWS Birmingham, AL

May 4, 2021Bullock County, Macon County, Pike County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 4, 2021, 6:37 PM CDT for Bullock County, Macon County, Pike County, Alabama. It was in force for 83 min. 4 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, 6:37 PM CDT (23:37 UTC)
Expired
May 4, 2021, 8:00 PM CDT
In force
83 min
Issued by
NWS Birmingham, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Bullock County, AL, Macon County, AL, Pike County, AL

The radar

The Maxwell AFB radar (KMXX), 44 km from the middle of the area, began a volume at 23:37 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, 6:46 PM CDTTORNADO2 Ssw Shorter, ALTIMBER DAMAGE WAS SURVEYED NEAR CHUBAHATCHEE CREEK ALONG CROSSKEYS ROAD IN MACON COUNTY AND DETERMINED TO BE CONSISTENT WITH A BRIEF EF-0 TORNADO. MOST OF THE PATH WAS IN AN INACCESSIBLE WOODED AREA TO THE NORTHWEST OF THE ROAD, WHERE A SMALL, FAINT TDS IS APP
May 4, 6:57 PM CDTTSTM WND DMGTuskegee, ALCORRECTS PREVIOUS TSTM WND DMG REPORT FROM TUSKEGEE FOR TIME. TREES BLOWN DOWN AT VARIOUS LOCATIONS ACROSS MACON COUNTY.
May 4, 7:10 PM CDTTSTM WND DMGUnion Springs, ALTREES BLOWN DOWN AT VARIOUS LOCATIONS ACROSS BULLOCK COUNTY, BLOCKING SOME ROADWAYS.
May 4, 7:22 PM CDTTSTM WND DMG6 N Goshen, ALTREES DOWN ON CR 2201 AND CR 2219, NEAR GOSHEN.

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

Birmingham, AL (KBMX), launched 12:00Z, 11.6 hours before the alert went out and 142 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, Birmingham, AL at 12:00Z on 2021-05-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2158 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, Birmingham, AL at 12:00Z on 2021-05-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 145 square meters per square second.19395878Sfc1 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
2158 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
569 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
145 m²/s²
0-3 km storm-relative helicity
195 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.3

Open this sounding in Storm Lab

The text

As transmitted.

941 
WUUS54 KBMX 042337
SVRBMX
ALC011-087-109-050100-
/O.NEW.KBMX.SV.W.0107.210504T2337Z-210505T0100Z/

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

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  Pike County in southeastern Alabama...
  Bullock County in southeastern Alabama...
  Macon County in southeastern Alabama...

* Until 800 PM CDT.

* At 636 PM CDT, severe thunderstorms were located along a line
  extending from near Southern Lake Martin to Greenville, moving east
  at 40 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...
  Troy, Tuskegee, Union Springs, Brundidge, Notasulga, Midway,
  Goshen, Milstead, Shorter, Banks, Franklin, Pickett, Lake Tuskegee,
  Beans Crossroads, Guerryton, Shopton, Tuskegee National Forest,
  Liverpool, Liberty City and Hardaway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3163 8617 3179 8615 3179 8618 3197 8619
      3197 8600 3225 8600 3228 8592 3238 8601
      3245 8600 3245 8589 3248 8585 3249 8588
      3249 8580 3258 8580 3260 8571 3250 8544
      3202 8543 3199 8559 3186 8568 3162 8574
TIME...MOT...LOC 2336Z 281DEG 35KT 3273 8591 3181 8661 

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

89^GSatterwhite
4 follow-up statements
765 
WWUS54 KBMX 050015
SVSBMX

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

ALC011-087-109-050100-
/O.CON.KBMX.SV.W.0107.000000T0000Z-210505T0100Z/
Pike AL-Bullock AL-Macon AL-
715 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR PIKE...BULLOCK AND EASTERN MACON COUNTIES...

At 714 PM CDT, severe thunderstorms were located along a line
extending from near Society Hill to Aberfoil to near Goshen, moving
east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Troy, Tuskegee, Union Springs, Brundidge, Midway, Goshen, Banks,
Pickett, Aberfoil, Franklin Field, Lake Tuskegee, Beans Crossroads,
Guerryton, Linwood, Shopton, Tuskegee National Forest, Davisville,
Antioch, Ansley and Troy Municipal Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 3194 8619 3197 8615 3197 8600 3206 8600
      3222 8589 3255 8561 3254 8556 3250 8544
      3202 8543 3199 8559 3186 8568 3162 8574
      3163 8617 3179 8615 3179 8618
TIME...MOT...LOC 0014Z 286DEG 43KT 3250 8547 3207 8570 3173 8617 

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

89^GSatterwhite
875 
WWUS54 KBMX 050031
SVSBMX

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

ALC011-087-109-050100-
/O.CON.KBMX.SV.W.0107.000000T0000Z-210505T0100Z/
Pike AL-Bullock AL-Macon AL-
731 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR PIKE...BULLOCK AND SOUTHEASTERN MACON COUNTIES...

At 730 PM CDT, severe thunderstorms were located along a line
extending from near Griffen Mill to near Midway to 7 miles southwest
of Antioch, moving east at 55 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...
Troy, Union Springs, Brundidge, Midway, Goshen, Banks, Pickett,
Aberfoil, Beans Crossroads, Guerryton, Linwood, Antioch, Troy
Municipal Airport, Troy University, Tennille, Perote, Josie, Three
Notch, Tanyard and Hamilton Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3182 8618 3198 8588 3223 8565 3229 8544
      3202 8543 3199 8559 3186 8568 3162 8574
      3163 8617 3179 8615 3179 8618
TIME...MOT...LOC 0030Z 287DEG 49KT 3245 8529 3202 8552 3168 8599 

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

89^GSatterwhite
961 
WWUS54 KBMX 050045
SVSBMX

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

ALC011-087-050055-
/O.CAN.KBMX.SV.W.0107.000000T0000Z-210505T0100Z/
Bullock AL-Macon AL-
745 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR BULLOCK AND SOUTHEASTERN MACON
COUNTIES IS CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

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

LAT...LON 3163 8617 3169 8614 3190 8579 3188 8579
      3188 8567 3184 8569 3162 8574
TIME...MOT...LOC 0045Z 332DEG 26KT 3160 8598 3180 8568 

$$

ALC109-050100-
/O.CON.KBMX.SV.W.0107.000000T0000Z-210505T0100Z/
Pike AL-
745 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR SOUTHERN PIKE COUNTY...

At 745 PM CDT, severe thunderstorms were located along a line
extending from 11 miles southeast of Goshen to near Boot Hill, moving
southeast at 30 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Troy, Brundidge, Banks, Antioch, Troy University, Tennille, Hamilton
Crossroads, Monticello, Josie, Tarentum, Brundidge Municipal Airport,
Mossy Grove and Henderson.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3163 8617 3169 8614 3190 8579 3188 8579
      3188 8567 3184 8569 3162 8574
TIME...MOT...LOC 0045Z 332DEG 26KT 3160 8598 3180 8568 

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

89^GSatterwhite
872 
WWUS54 KBMX 050058
SVSBMX

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

ALC109-050107-
/O.EXP.KBMX.SV.W.0107.000000T0000Z-210505T0100Z/
Pike AL-
758 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN PIKE COUNTY WILL
EXPIRE AT 800 PM CDT...
    
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However gusty
winds and heavy rain are still possible with these thunderstorms.

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

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

LAT...LON 3163 8617 3169 8614 3190 8579 3188 8579
      3188 8567 3184 8569 3162 8574
TIME...MOT...LOC 0057Z 281DEG 35KT 3158 8584 3178 8554 

$$

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, 6:41 PM CDTSevere Thunderstorm WarningBMXChambers, Lee61 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.