Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 125, NWS Birmingham, AL

June 13, 2021Walker County, Winston County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 13, 2021, 1:45 PM CDT for Walker County, Winston County, Alabama. It was in force for 34 min. 3 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: Jun 13, 2021, 1:45 PM CDT (18:45 UTC)
Expired: Jun 13, 2021, 2:19 PM CDT
In force: 34 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Walker County, AL, Winston County, AL

The radar

The Columbus AFB radar (KGWX), 84 km from the middle of the area, began a volume at 18:48 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
Jun 13, 2:08 PM CDT	TSTM WND DMG	3 Wsw Lupton, AL	TREES AND POWERLINES DOWN. REPORT RELAYED THROUGH SOCIAL MEDIA.
Jun 13, 2:08 PM CDT	HAIL 0.7	3 S Lupton, AL	CORRECTS PREVIOUS HAIL REPORT FROM 3 S LUPTON. DIME SIZE HAIL REPORTED NEAR SARAGOSSA.
Jun 13, 2:09 PM CDT	TSTM WND DMG	3 S Lupton, AL	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 3 S LUPTON. NUMEROUS TREES AND POWERLINES DOWN IN SARAGOSSA.

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
Jun 13, 12:22 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.8 hours before the alert went out and 104 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: 597 J/kg
Mixed-layer CIN: -86 J/kg
Mixed-layer LCL: 1168 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 68 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

663 
WUUS54 KBMX 131845
SVRBMX
ALC127-133-131930-
/O.NEW.KBMX.SV.W.0125.210613T1845Z-210613T1930Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
145 PM CDT Sun Jun 13 2021

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  Northwestern Walker County in central Alabama...
  South central Winston County in northwestern Alabama...

* Until 230 PM CDT.

* At 145 PM CDT, a severe thunderstorm was located near Poplar
  Springs, or 9 miles southeast of Lynn, moving south at 15 mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Jasper, Carbon Hill, Nauvoo, Camp McDowell, Ashbank, Poplar
  Springs, Smith Lake, Seymour Branch, Coon Creek, Cedrum Area, Holly
  Grove, Lupton, Gamble, Townley and Walker County Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3404 8751 3405 8729 3382 8726 3381 8752
TIME...MOT...LOC 1845Z 000DEG 13KT 3398 8740 

HAIL...0.75IN
WIND...60MPH
 
$$

25/Owen

2 follow-up statements

445 
WWUS54 KBMX 131906
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
206 PM CDT Sun Jun 13 2021

ALC133-131916-
/O.CAN.KBMX.SV.W.0125.000000T0000Z-210613T1930Z/
Winston AL-
206 PM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL WINSTON COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area.  Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
central and northwestern Alabama.

LAT...LON 3400 8731 3399 8728 3382 8726 3381 8752
      3400 8751
TIME...MOT...LOC 1906Z 000DEG 13KT 3390 8740 

$$

ALC127-131930-
/O.CON.KBMX.SV.W.0125.000000T0000Z-210613T1930Z/
Walker AL-
206 PM CDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM CDT
FOR NORTHWESTERN WALKER COUNTY...

At 206 PM CDT, a severe thunderstorm was located 7 miles east of
Carbon Hill, moving south at 15 mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Jasper, Carbon Hill, Nauvoo, Cedrum Area, Holly Grove, Lupton,
Gamble, Townley and Walker County Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3400 8731 3399 8728 3382 8726 3381 8752
      3400 8751
TIME...MOT...LOC 1906Z 000DEG 13KT 3390 8740 

HAIL...0.75IN
WIND...60MPH
 
$$

25/Owen

906 
WWUS54 KBMX 131919
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
219 PM CDT Sun Jun 13 2021

ALC127-131929-
/O.CAN.KBMX.SV.W.0125.000000T0000Z-210613T1930Z/
Walker AL-
219 PM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN WALKER COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 700 PM CDT for
central and northwestern Alabama.

LAT...LON 3400 8731 3399 8728 3382 8726 3381 8752
      3400 8751
TIME...MOT...LOC 1916Z 000DEG 13KT 3385 8740 

$$

25/Owen

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 13, 12:06 PM CDT	Special Weather Statement	BMX	Fayette	24 min
Jun 13, 12:30 PM CDT	Special Weather Statement	BMX	Fayette	30 min
Jun 13, 12:54 PM CDT	Special Weather Statement	BMX	Marion	36 min
Jun 13, 12:57 PM CDT	Special Weather Statement	BMX	Greene	33 min
Jun 13, 1:01 PM CDT	Special Weather Statement	BMX	Fayette	29 min
Jun 13, 1:06 PM CDT	Severe Thunderstorm Warning	BMX	Fayette	24 min
Jun 13, 1:09 PM CDT	Special Weather Statement	BMX	Fayette	36 min
Jun 13, 1:13 PM CDT	Areal Flood Advisory	BMX	Fayette, Marion	2 hr
Jun 13, 1:30 PM CDT	Special Weather Statement	BMX	Fayette	30 min
Jun 13, 1:31 PM CDT	Special Weather Statement	BMX	Fayette	44 min
Jun 13, 1:33 PM CDT	Severe Thunderstorm Warning	BMX	Fayette, Walker	24 min
Jun 13, 1:37 PM CDT	Special Weather Statement	BMX	Greene	38 min
Jun 13, 1:41 PM CDT	Special Weather Statement	BMX	Pickens	34 min
Jun 13, 1:42 PM CDT	Special Weather Statement	BMX	Lamar	48 min
Jun 13, 1:55 PM CDT	Special Weather Statement	BMX	Fayette	50 min
Jun 13, 2:03 PM CDT	Special Weather Statement	BMX	Lamar	27 min
Jun 13, 2:18 PM CDT	Special Weather Statement	BMX	Pickens	42 min
Jun 13, 2:28 PM CDT	Severe Thunderstorm Warning	BMX	Pickens	18 min
Jun 13, 3:14 PM CDT	Special Weather Statement	BMX	Greene, Hale	46 min
Jun 13, 3:15 PM CDT	Special Weather Statement	BMX	Hale	30 min
Jun 13, 3:29 PM CDT	Severe Thunderstorm Warning	BMX	Hale	18 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.