Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 177, NWS Mobile, AL

October 13, 2001Conecuh County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Oct 13, 2001, 7:29 PM CDT for Conecuh County, Escambia County, Alabama. It was in force for 31 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, 7:29 PM CDT (00:29 UTC)
Expired: Oct 13, 2001, 8:00 PM CDT
In force: 31 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Conecuh County, AL, Escambia 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, 0.5 hours before the alert went out and 218 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.

337 
WUUS54 KMOB 140029
SVRMOB
ALC035-053-140100-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA
  CONECUH COUNTY IN SOUTH CENTRAL ALABAMA

* UNTIL 800 PM CDT

* AT 729 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES SOUTH OF ROCK HILL...MOVING NORTHEAST
  AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  US 29 AND CR 43...JOHNSONVILLE BY 745 PM CDT
  BROOKLYN...PAUL BY 755 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 3113 8713 3104 8701 3116 8673 3136 8673
          3150 8672 3141 8684

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, 7:44 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	31 min
Oct 13, 7:51 PM CDT	Severe Thunderstorm Warning	MOB	Butler	39 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.