Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 201, NWS Mobile, AL

November 24, 2001Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Nov 24, 2001, 8:31 PM CST for Escambia County, Alabama. It was in force for 29 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: Nov 24, 2001, 8:31 PM CST (02:31 UTC)
Expired: Nov 24, 2001, 9:00 PM CST
In force: 29 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Escambia County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 2.5 hours before the alert went out and 230 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: 1498 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 341 m²/s²
0-3 km storm-relative helicity: 429 m²/s²
Significant tornado parameter: 3.1
Supercell composite: 12.7

Open this sounding in Storm Lab

The text

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

432 
WUUS54 KMOB 250232
SVRMOB
ALC053-250300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
831 PM CST SAT NOV 24 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 900 PM CST

* AT 831 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 2 MILES SOUTHWEST OF CARNEY...MOVING NORTHEAST
  AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  I65 AND AL 21...MCCULLOUGH BY 835 PM CST
  HOLMAN PRISON BY 840 PM CST
  HUXFORD...SARDINE BY 845 PM CST
  VOCATION BY 855 PM CST

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.

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 3116 8759 3099 8750 3122 8716 3128 8717
          3128 8744

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 24, 6:21 PM CST	Tornado Warning	MOB	Butler	39 min
Nov 24, 6:41 PM CST	Tornado Warning	MOB	Crenshaw	34 min
Nov 24, 6:56 PM CST	Tornado Warning	MOB	Butler	49 min
Nov 24, 6:56 PM CST	Tornado Warning	MOB	Escambia	49 min
Nov 24, 7:14 PM CST	Tornado Warning	MOB	Crenshaw	46 min
Nov 24, 7:15 PM CST	Flash Flood Warning	MOB	Butler, Crenshaw, Monroe	3 hr
Nov 24, 7:19 PM CST	Tornado Warning	MOB	Conecuh, Covington	41 min
Nov 24, 7:32 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	43 min
Nov 24, 7:49 PM CST	Tornado Warning	MOB	Butler	26 min
Nov 24, 7:58 PM CST	Tornado Warning	MOB	Crenshaw	32 min
Nov 24, 8:00 PM CST	Tornado Warning	MOB	Covington	45 min
Nov 24, 8:30 PM CST	Tornado Warning	MOB	Crenshaw	30 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.