Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 124, NWS Birmingham, AL

June 13, 2021Fayette County, Walker County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jun 13, 2021, 1:33 PM CDT for Fayette County, Walker County, Alabama. It was in force for 24 min. 2 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, 1:33 PM CDT (18:33 UTC)
Expired: Jun 13, 2021, 1:57 PM CDT
In force: 24 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Fayette County, AL, Walker County, AL

The radar

The Columbus AFB radar (KGWX), 70 km from the middle of the area, began a volume at 18:37 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

Time	Report	Where	Remark
Jun 13, 1:35 PM CDT	TSTM WND DMG	1 Ssw Eldridge, AL	TREES AND POWER LINES DOWN NEAR ELDRIDGE.
Jun 13, 1:37 PM CDT	TSTM WND DMG	4 Ssw Kansas, AL	TREES AND POWERLINES DOWN.

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, 6.6 hours before the alert went out and 103 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.

033 
WUUS54 KBMX 131833
SVRBMX
ALC057-127-131915-
/O.NEW.KBMX.SV.W.0124.210613T1833Z-210613T1915Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
133 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...
  Northeastern Fayette County in west central Alabama...

* Until 215 PM CDT.

* At 133 PM CDT, a severe thunderstorm was located over Kansas, or
  near 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...
  Carbon Hill, Kansas, Eldridge, Corona, West Corona and Fowlers
  Crossroads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3369 8745 3370 8771 3391 8768 3391 8764
      3395 8764 3395 8746
TIME...MOT...LOC 1833Z 000DEG 14KT 3388 8758 

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

25/Owen

2 follow-up statements

128 
WWUS54 KBMX 131846
SVSBMX

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

ALC057-127-131915-
/O.CON.KBMX.SV.W.0124.000000T0000Z-210613T1915Z/
Walker AL-Fayette AL-
146 PM CDT Sun Jun 13 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 PM CDT
FOR WEST CENTRAL WALKER AND NORTHEASTERN FAYETTE COUNTIES...

At 146 PM CDT, a severe thunderstorm was located near Kansas, or near
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...
Carbon Hill, Kansas, Eldridge and Fowlers Crossroads. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3370 8752 3370 8769 3391 8768 3391 8764
      3395 8764 3392 8753
TIME...MOT...LOC 1846Z 000DEG 14KT 3383 8758 

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

25/Owen

808 
WWUS54 KBMX 131857
SVSBMX

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

ALC057-127-131906-
/O.CAN.KBMX.SV.W.0124.000000T0000Z-210613T1915Z/
Walker AL-Fayette AL-
157 PM CDT Sun Jun 13 2021

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL WALKER AND
NORTHEASTERN FAYETTE COUNTIES 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 small hail and
gusty winds are still possible with this thunderstorm.

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

LAT...LON 3370 8752 3370 8769 3391 8768 3391 8764
      3395 8764 3392 8753
TIME...MOT...LOC 1853Z 000DEG 14KT 3379 8758 

$$

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, 1:37 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, 1:45 PM CDT	Severe Thunderstorm Warning	BMX	Walker, Winston	34 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.