Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 179, NWS Mobile, AL

October 13, 2001Butler County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Oct 13, 2001, 7:51 PM CDT for Butler County, Alabama. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Oct 13, 2001, 7:51 PM CDT (00:51 UTC)
Expired: Oct 13, 2001, 8:30 PM CDT
In force: 39 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Butler County, AL

The watch it was issued in

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

Issued	Product	Office	Lasted
Oct 13, 6:00 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.9 hours before the alert went out and 152 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: 222 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 558 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 569 m²/s²
0-3 km storm-relative helicity: 684 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

412 
WUUS54 KMOB 140051
SVRMOB
ALC013-140130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
751 PM CDT SAT OCT 13 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUTLER COUNTY IN SOUTH CENTRAL ALABAMA

* UNTIL 830 PM CDT

* AT 751 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES NORTH OF STARLINGTON...MOVING NORTHEAST
  AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SAUCER...WALD BY 755 PM CDT
  HERBERT...I65 AND AL 10 BY 800 PM CDT
  I65 AND AL 185...GREENVILLE BY 805 PM CDT

STRONG DAMAGING WIND...LARGE HAIL...AND HEAVY RAIN ARE LIKELY WITH
THIS STORM.  IF IN THE PATH OF THIS STORM...TAKE COVER IN A STURDY
SHELTER UNTIL THE STORM HAS PASSED.

LAT...LON 3178 8691 3161 8687 3181 8648 3196 8647
          3195 8686

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 13, 7:16 PM CDT	Special Marine Warning	MOB		3 hr
Oct 13, 7:16 PM CDT	Special Marine Warning	MOB		3 hr
Oct 13, 7:16 PM CDT	Special Marine Warning	MOB		3 hr
Oct 13, 7:27 PM CDT	Severe Thunderstorm Warning	MOB	Mobile	33 min
Oct 13, 7:29 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Escambia	31 min
Oct 13, 7:44 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	31 min
Oct 13, 8:14 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	31 min
Oct 13, 8:44 PM CDT	Severe Thunderstorm Warning	MOB	Conecuh, Escambia	61 min
Oct 13, 8:44 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Crenshaw	31 min
Oct 13, 8:58 PM CDT	Tornado Warning	MOB	Covington, Crenshaw	32 min
Oct 13, 9:36 PM CDT	Severe Thunderstorm Warning	MOB	Butler, Covington, Crenshaw	54 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2001 Every severe thunderstorm warning in 2001

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.