Alert archive / Alabama / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 16, NWS Mobile, AL

March 12, 2002Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 12, 2002, 1:57 PM CST for Mobile County, Alabama. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 12, 2002, 1:57 PM CST (19:57 UTC)
Expired
Mar 12, 2002, 2:45 PM CST
In force
48 min
Issued by
NWS Mobile, AL
Area
Counties, with a storm outline in the text

County Mobile County, AL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.0 hours before the alert went out and 137 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, Slidell Radar S, LA at 12:00Z on 2002-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 362 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 2002-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 226 square meters per square second.19395878Sfc1 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
362 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
706 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
226 m²/s²
0-3 km storm-relative helicity
234 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 121957
SVRMOB
ALC097-122045-

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 245 PM CST

* AT 157 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 8 MILES WESTSOUTHWEST OF TANNER
  WILLIAMS...MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BIG CREEK LAKE DAM...TANNER WILLIAMS BY 205 PM CST
  SEVEN HILLS...HUTCHENS ELEMENTARY SCHOOL BY 210 PM CST
  MOBILE AIRPORT...SCHILLINGER AND THREE NOTCH RDS BY 215 PM CST
  AIRPORT AND UNIVERSITY...UNIVERSITY OF SOUTH ALABAMA BY 220 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.

LAT...LON 3073 8858 3055 8854 3060 8801 3075 8810

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, 12:03 PM CSTSevere Thunderstorm WarningMOBCrenshaw27 min
Mar 12, 12:42 PM CSTSevere Thunderstorm WarningMOBCovington18 min
Mar 12, 1:37 PM CSTSpecial Marine WarningMOB23 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; the sounding from the Mesonet's radiosonde archive.