Alert archive / Alabama / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 1, NWS Birmingham, AL

January 25, 2021Pickens County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at Jan 25, 2021, 11:04 PM CST for Pickens County, Alabama. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jan 25, 2021, 11:04 PM CST (05:04 UTC)
Expired: Jan 25, 2021, 11:27 PM CST
In force: 23 min
Issued by: NWS Birmingham, AL
Area: Storm-based polygon
Hail: 0.88 in
Wind: 60.0 mph

County Pickens County, AL

The radar

The Columbus AFB radar (KGWX), 76 km from the middle of the area, began a volume at 05:04 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 25, 5:52 PM CST	Tornado Watch	SPC	7 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 5.1 hours before the alert went out and 125 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: 232 J/kg
Mixed-layer CIN: -87 J/kg
Mixed-layer LCL: 913 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 371 m²/s²
0-3 km storm-relative helicity: 501 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted.

501 
WUUS54 KBMX 260504
SVRBMX
ALC107-260600-
/O.NEW.KBMX.SV.W.0001.210126T0504Z-210126T0600Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Birmingham AL
1104 PM CST Mon Jan 25 2021

The National Weather Service in Birmingham has issued a

* Severe Thunderstorm Warning for...
  Central Pickens County in west central Alabama...

* Until midnight CST.

* At 1104 PM CST, a severe thunderstorm was located near
  Pickensville, moving east at 40 mph.

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

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Aliceville, Gordo, Reform, Carrollton, Pickensville, McMullen,
  Garden, Johnston Lake, Bevill Lock And Dam, Gainesville Lake
  Campground, Dillburg, George Downer Airport, Owens, Kirk, Pioneer
  and Cochrane.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CST for west central
Alabama.

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

&&

LAT...LON 3329 8830 3340 8784 3315 8784 3304 8833
TIME...MOT...LOC 0504Z 256DEG 36KT 3319 8823 

HAIL...0.88IN
WIND...60MPH
 
$$

89^GSatterwhite

2 follow-up statements

816 
WWUS54 KBMX 260512
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
1112 PM CST Mon Jan 25 2021

ALC107-260600-
/O.CON.KBMX.SV.W.0001.000000T0000Z-210126T0600Z/
Pickens AL-
1112 PM CST Mon Jan 25 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
FOR CENTRAL PICKENS COUNTY...

At 1112 PM CST, a severe thunderstorm was located near Carrollton,
moving east at 45 mph.

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

SOURCE...Radar indicated.

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

Locations impacted include...
Aliceville, Gordo, Reform, Carrollton, McMullen, Garden, Johnston
Lake, Owens, Kirk, Dillburg, Pioneer and George Downer Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 100 AM CST for west central
Alabama.

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

&&

LAT...LON 3331 8821 3340 8784 3315 8784 3307 8820
TIME...MOT...LOC 0512Z 255DEG 38KT 3321 8811 

HAIL...0.88IN
WIND...60MPH
 
$$

89^GSatterwhite

669 
WWUS54 KBMX 260527 RRA
SVSBMX

Severe Weather Statement
National Weather Service Birmingham AL
1127 PM CST Mon Jan 25 2021

ALC107-260537-
/O.CAN.KBMX.SV.W.0001.000000T0000Z-210126T0600Z/
Pickens AL-
1127 PM CST Mon Jan 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PICKENS 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.

A Tornado Watch remains in effect until 100 AM CST for west central
Alabama.

LAT...LON 3331 8821 3340 8784 3315 8784 3307 8820
TIME...MOT...LOC 0526Z 256DEG 36KT 3325 8793 

$$

89^GSatterwhite

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 25, 6:16 PM CST	Special Weather Statement	BMX	Winston	29 min
Jan 25, 6:48 PM CST	Special Weather Statement	BMX	Walker	27 min
Jan 25, 8:03 PM CST	Special Weather Statement	BMX	Pickens	27 min
Jan 25, 9:02 PM CST	Special Weather Statement	BMX	Etowah	43 min
Jan 25, 9:26 PM CST	Special Weather Statement	BMX	Jefferson	34 min
Jan 25, 9:35 PM CST	Special Weather Statement	BMX	Tuscaloosa	25 min
Jan 25, 10:24 PM CST	Special Weather Statement	BMX	Jefferson	51 min
Jan 25, 10:31 PM CST	Special Weather Statement	BMX	Pickens	44 min
Jan 25, 10:34 PM CST	Tornado Warning	BMX	Jefferson	26 min
Jan 25, 10:49 PM CST	Tornado Warning Tornado observed	BMX	St. Clair	41 min
Jan 25, 10:52 PM CST	Special Weather Statement	BMX	Tuscaloosa	53 min
Jan 25, 10:52 PM CST	Tornado Warning Tornado observedConsiderable damage threat	BMX	Jefferson	23 min
Jan 25, 11:19 PM CST	Areal Flood Advisory	BMX	Blount, Fayette, Jefferson, Lamar, Pickens, St. Clair and 2 more	3 hr
Jan 25, 11:46 PM CST	Areal Flood Advisory	BMX	Etowah, St. Clair	3 hr
Jan 25, 11:54 PM CST	Special Weather Statement	BMX	Jefferson	51 min
Jan 25, 11:59 PM CST	Special Weather Statement	BMX	Cherokee	46 min
Jan 26, 12:08 AM CST	Tornado Warning	BMX	Calhoun, Cherokee, Cleburne	24 min
Jan 26, 12:29 AM CST	Special Weather Statement	BMX	St. Clair	46 min
Jan 26, 1:44 AM CST	Special Weather Statement	BMX	Bibb	46 min
Jan 26, 3:17 AM CST	Special Weather Statement	BMX	Marengo	43 min
Jan 26, 4:13 AM CST	Special Weather Statement	BMX	Chambers, Tallapoosa	47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.