Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 120, NWS Mobile, AL

May 4, 20216 counties in Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 4, 2021, 6:28 PM CDT for 6 counties in Alabama. It was in force for 77 min. 10 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, 6:28 PM CDT (23:28 UTC)
Expired: May 4, 2021, 7:45 PM CDT
In force: 77 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Butler County, AL, Conecuh County, AL, Covington County, AL, Crenshaw County, AL, Monroe County, AL, Wilcox County, AL

The radar

The Ft Rucker radar (KEOX), 102 km from the middle of the area, began a volume at 23:32 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
May 4, 6:45 PM CDT	TSTM WND DMG	1 E Greenville, AL	MULTIPLE ROADS WITH TREES DOWN ACROSS THE CITY OF GREENVILLE. WEST COMMERCE ST NEAR THE HOSPITAL IS CLOSED DUE TO DOWNED TREES AND PARTIALLY CLOSED ON HWY 31S NEAR HIGHWAY 10. REPORTS VIA SOCIAL MEDIA.
May 4, 6:45 PM CDT	TSTM WND DMG	Greenville, AL	TREES AND POWER LINES DOWN IN GREENVILLE ON HIGHWAY 10 NEAR STABLER HOSPITAL.
May 4, 7:17 PM CDT	TSTM WND DMG	2 Wnw Clearview, AL	TREES DOWN NEAR RAWLS SCHOOL RD AT BOSTON RD.
May 4, 7:20 PM CDT	TSTM WND DMG	Gantt, AL	AT LEAST 15-20 TREES DOWN AND STRUCTURAL DAMAGE TO A BARN AND A MOBILE HOME IN THE GANTT COMMUNITY. REPORTS AND PHOTOS VIA SOCIAL MEDIA.
May 4, 7:25 PM CDT	TSTM WND DMG	1 Ssw Luverne, AL	FALLEN POWER LINES ON ROY BEALL DR IN LUVERNE.
May 4, 7:25 PM CDT	TSTM WND DMG	Gantt, AL	AN ADDITIONAL REPORT OF AT LEAST 75 TREES SNAPPED ACROSS GANTT COMMUNITY VIA SOCIAL MEDIA.
May 4, 7:30 PM CDT	TSTM WND DMG	3 Wnw Glenwood, AL	FALLEN TREE NEAR INTERSECTION OF GLENWOOD RD AND NEW HOPE CHURCH RD.
May 4, 7:30 PM CDT	TSTM WND DMG	Rose Hill, AL	SEVERAL TREES AND POWER LINES DOWN IN THE ROSE HILL COMMUNITY.
May 4, 7:50 PM CDT	TSTM WND DMG	2 Sse Brantley, AL	FALLEN TREE AT MILE MARKER 32 ON HWY 189.
May 4, 7:51 PM CDT	TSTM WND DMG	3 Wnw Bullock, AL	LARGE TREE FALLEN ON ROAD ON ELBA HWY AT POWELL RD.

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.

Issued	Product	Office	Lasted
May 4, 3:31 PM CDT	Tornado Watch	SPC	6 hr
May 4, 6:26 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.5 hours before the alert went out and 159 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

391 
WUUS54 KMOB 042328
SVRMOB
ALC013-035-039-041-099-131-050045-
/O.NEW.KMOB.SV.W.0120.210504T2328Z-210505T0045Z/

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

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Butler County in south central Alabama...
  Central Monroe County in south central Alabama...
  Crenshaw County in south central Alabama...
  Southeastern Wilcox County in south central Alabama...
  Central Conecuh County in south central Alabama...
  Northern Covington County in south central Alabama...

* Until 745 PM CDT.

* At 628 PM CDT, severe thunderstorms were located along a line
  extending from 4 miles southwest of Gordonville to 4 miles east of
  Pine Apple to 6 miles east of Beatrice to Peterman, moving east at
  45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Greenville, Monroeville, Luverne, Peterman, Georgiana, Brantley,
  McKenzie, Red Level, Rutledge, Beatrice, Dozier, Gantt, Glenwood,
  Pine Apple, Petrey and Highland Home.

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 3154 8616 3153 8620 3139 8620 3140 8665
      3152 8759 3189 8704 3205 8697 3205 8686
      3196 8686 3196 8641 3205 8640 3205 8630
      3197 8630 3196 8618 3179 8620 3179 8615
      3162 8618 3162 8615
TIME...MOT...LOC 2328Z 279DEG 38KT 3213 8680 3187 8692 3170 8709 3160
8728

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

Black

3 follow-up statements

384 
WWUS54 KMOB 042347
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
647 PM CDT Tue May 4 2021

ALC099-131-042356-
/O.CAN.KMOB.SV.W.0120.000000T0000Z-210505T0045Z/
Monroe AL-Wilcox AL-
647 PM CDT Tue May 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MONROE AND
SOUTHEASTERN WILCOX COUNTIES IS CANCELLED...

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

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

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

LAT...LON 3154 8616 3153 8620 3139 8620 3140 8665
      3147 8720 3157 8716 3172 8700 3175 8691
      3181 8691 3196 8675 3196 8641 3205 8640
      3205 8630 3197 8630 3196 8619 3196 8618
      3179 8620 3179 8615 3162 8616 3162 8615
TIME...MOT...LOC 2346Z 279DEG 38KT 3210 8659 3184 8671 3167 8688 3157
8707

$$

ALC013-035-039-041-050045-
/O.CON.KMOB.SV.W.0120.000000T0000Z-210505T0045Z/
Butler AL-Crenshaw AL-Conecuh AL-Covington AL-
647 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR BUTLER...CRENSHAW...CENTRAL CONECUH AND NORTHERN COVINGTON
COUNTIES...

At 646 PM CDT, severe thunderstorms were located along a line
extending from 4 miles southeast of Beechwood to 5 miles west of
Greenville to 8 miles west of Georgiana to 11 miles east of Peterman,
moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Greenville, Luverne, Georgiana, Brantley, McKenzie, Red Level,
Rutledge, Dozier, Gantt, Glenwood, Petrey and Highland Home.

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 3154 8616 3153 8620 3139 8620 3140 8665
      3147 8720 3157 8716 3172 8700 3175 8691
      3181 8691 3196 8675 3196 8641 3205 8640
      3205 8630 3197 8630 3196 8619 3196 8618
      3179 8620 3179 8615 3162 8616 3162 8615
TIME...MOT...LOC 2346Z 279DEG 38KT 3210 8659 3184 8671 3167 8688 3157
8707

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

Black

908 
WWUS54 KMOB 042358
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
658 PM CDT Tue May 4 2021

ALC013-035-039-041-050045-
/O.CON.KMOB.SV.W.0120.000000T0000Z-210505T0045Z/
Butler AL-Crenshaw AL-Conecuh AL-Covington AL-
658 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR BUTLER...CRENSHAW...NORTHEASTERN CONECUH AND NORTHERN COVINGTON
COUNTIES...

At 657 PM CDT, severe thunderstorms were located along a line
extending from 4 miles west of Davenport to Greenville to Georgiana
to 8 miles north of Evergreen, moving east at 45 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Greenville, Luverne, Georgiana, Brantley, McKenzie, Red Level,
Rutledge, Dozier, Gantt, Glenwood, Petrey and Highland Home.

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 3154 8616 3153 8620 3139 8620 3140 8665
      3145 8703 3158 8696 3175 8680 3196 8659
      3196 8641 3205 8640 3205 8630 3197 8630
      3196 8619 3196 8618 3179 8620 3179 8615
      3162 8616 3162 8615
TIME...MOT...LOC 2357Z 279DEG 38KT 3208 8647 3182 8659 3165 8676 3155
8695

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

Black

560 
WWUS54 KMOB 050012
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
712 PM CDT Tue May 4 2021

ALC013-035-039-041-050045-
/O.CON.KMOB.SV.W.0120.000000T0000Z-210505T0045Z/
Butler AL-Crenshaw AL-Conecuh AL-Covington AL-
712 PM CDT Tue May 4 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR SOUTHEASTERN BUTLER...CRENSHAW...EAST CENTRAL CONECUH AND
NORTHERN COVINGTON COUNTIES...

At 711 PM CDT, severe thunderstorms were located along a line
extending from Sellers to 5 miles northwest of Rutledge to 10 miles
northwest of Dozier to 5 miles west of Red Level, moving east at 50
mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Luverne, Brantley, McKenzie, Red Level, Rutledge, Dozier, Gantt,
Glenwood, Petrey and Highland Home.

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 3154 8616 3153 8620 3139 8620 3140 8665
      3144 8692 3153 8676 3171 8659 3187 8643
      3198 8633 3198 8630 3197 8630 3196 8619
      3196 8618 3179 8620 3179 8615 3162 8616
      3162 8615
TIME...MOT...LOC 0011Z 282DEG 44KT 3206 8630 3180 8635 3155 8652 3144
8670

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

Black

The office that day

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

Issued	Product	Office	Counties	Lasted
May 4, 4:23 AM CDT	Flash Flood Watch	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more	33 hr
May 4, 10:18 AM CDT	River Flood Warning	MOB	Choctaw, Clarke, Washington	21 days
May 4, 10:19 AM CDT	River Flood Warning	MOB	Clarke, Washington	5 days
May 4, 3:55 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	65 min
May 4, 4:44 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	61 min
May 4, 4:59 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington, Wilcox	61 min
May 4, 5:33 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Clarke, Conecuh, Monroe, Wilcox	57 min
May 4, 5:44 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	61 min
May 4, 6:45 PM CDT	Special Weather Statement	MOB	Conecuh, Mobile	45 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2021 Every 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.