Alert archive / Alabama / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 14, NWS Mobile, AL

March 12, 2002Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 12, 2002, 12:03 PM CST for Crenshaw County, Alabama. It was in force for 27 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 12, 2002, 12:03 PM CST (18:03 UTC)
Expired
Mar 12, 2002, 12:30 PM CST
In force
27 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Crenshaw County, AL

What was reported inside it

TimeReportWhereRemark
Mar 12, 12:10 PM CSTThunderstorm Wind 50 EHighland Home, ALTrees and power lines were blown down near Highland Home. Dime size hail was also reported.
Mar 12, 12:25 PM CSTThunderstorm Wind 55 EGrady, ALSeveral trees and power lines were knocked down in the vicinity of Grady. One carport was blown down and destroyed.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 6.1 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-pSkew-T log-p diagram, Birmingham, AL at 12:00Z on 2002-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 12:00Z on 2002-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 258 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
258 m²/s²
0-3 km storm-relative helicity
287 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 121803
SVRMOB
ALC041-121830-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1203 PM CST TUE MAR 12 2002

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 1230 PM CST

* AT 1203 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 4 MILES WEST OF HIGHLAND HOME TO
  8 MILES SOUTHWEST OF RUTLEDGE...MOVING NORTHEAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  LUVERNE...LIVE OAK BY 1210 PM CST
  PETREY...PATSBURG BY 1215 PM CST

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

LAT...LON 3199 8644 3150 8644 3174 8596 3223 8596

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 10:09 AM CSTSpecial Marine WarningMOB2 hr
Mar 12, 10:09 AM CSTSpecial Marine WarningMOB2 hr
Mar 12, 11:55 AM CSTSevere Thunderstorm WarningMOBCovington35 min
Mar 12, 12:42 PM CSTSevere Thunderstorm WarningMOBCovington18 min
Mar 12, 1:37 PM CSTSpecial Marine WarningMOB23 min
Mar 12, 1:57 PM CSTSevere Thunderstorm WarningMOBMobile48 min
Mar 12, 2:22 PM CSTSpecial Marine WarningMOB68 min
Mar 12, 2:30 PM CSTSevere Thunderstorm WarningMOBBaldwin30 min
Mar 12, 2:55 PM CSTSevere Thunderstorm WarningMOBBaldwin50 min
Mar 12, 3:52 PM CSTSpecial Marine WarningMOB113 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2002Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.