Alert archive / Alabama / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 39, NWS Mobile, AL

March 3, 2001Butler County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 3, 2001, 3:09 AM CST for Butler County, Alabama. It was in force for 51 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: Mar 3, 2001, 3:09 AM CST (09:09 UTC)
Expired: Mar 3, 2001, 4:00 AM CST
In force: 51 min
Issued by: NWS Mobile, AL
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Butler County, AL

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 9.2 hours before the alert went out and 161 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: 54 J/kg
Mixed-layer CIN: -49 J/kg
Mixed-layer LCL: 469 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 182 m²/s²
0-3 km storm-relative helicity: 322 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 030909
SVRMOB
ALC013-031000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
309 AM CST SAT MAR 3 2001

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUTLER COUNTY IN SOUTHWEST ALABAMA

* UNTIL 400 AM CST

* AT 309 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 11 MILES WEST OF STARLINGTON...MOVING EAST AT
  50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  STARLINGTON BY 315 AM CST
  GEORGIANA...I65 AND AL 106 BY 320 AM CST
  AVANT...BOLLING BY 325 AM CST
  I65 AND AL 10...WALD BY 330 AM 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.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE
FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE JHAIL...AND DEADLY
LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY
INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 3175 8691 3157 8684 3170 8648 3190 8647

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 3, 1:11 AM CST	Flash Flood Warning	MOB	Choctaw, Clarke, Marengo, Washington	6 hr
Mar 3, 1:39 AM CST	Severe Thunderstorm Warning	MOB	Mobile, Washington	36 min
Mar 3, 1:55 AM CST	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Monroe	65 min
Mar 3, 2:45 AM CST	Severe Thunderstorm Warning	MOB	Conecuh	45 min
Mar 3, 7:15 AM CST	Flash Flood Warning	MOB	Choctaw, Clarke, Marengo, Washington	4 hr
Mar 3, 11:24 AM CST	Severe Thunderstorm Warning	MOB	Mobile	36 min
Mar 3, 11:25 AM CST	Flash Flood Warning	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 7 more	6 hr
Mar 3, 3:47 PM CST	Severe Thunderstorm Warning	MOB	Clarke, Washington	28 min
Mar 3, 5:15 PM CST	Flash Flood Warning	MOB	Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 7 more	6 hr

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.