Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 183, NWS Mobile, AL

October 13, 2001Butler County, Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Oct 13, 2001, 8:44 PM CDT for Butler County, Crenshaw 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, 8:44 PM CDT (01:44 UTC)
Expired: Oct 13, 2001, 9:15 PM CDT
In force: 31 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Butler County, AL, Crenshaw 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, 1.7 hours before the alert went out and 209 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.

000 
WUUS54 KMOB 140145
SVRMOB
ALC035-053-140245-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
844 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 945 PM CDT

* AT 844 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 4 MILES SOUTH OF ROBINSONVILLE...MOVING        
  NORTHEAST AT 35 MPH.  

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SARDINE BY 850 PM CDT
  OSAKA BY 855 PM CDT
  FOSHEE...I65 AND AL 113 BY 900 PM CDT
  WALLACE BY 905 PM CDT

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH
LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT FOR RAPIDLY
CHANGING WEATHER CONDITIONS.

LAT...LON 3106 8759 3101 8740 3111 8680 3141 8685
          3158 8691 3178 8694 3157 8713 3133 8726

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, 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, 8:58 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.