Alert archive / Alabama / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 24, NWS Mobile, AL

March 31, 2002Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Mar 31, 2002, 11:13 AM CST for Mobile County, Alabama. It was in force for 32 min. 1 report 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 31, 2002, 11:13 AM CST (17:13 UTC)
Expired: Mar 31, 2002, 11:45 AM CST
In force: 32 min
Issued by: NWS Mobile, AL
Area: Counties, with a storm outline in the text

County Mobile County, AL

What was reported inside it

Time	Report	Where	Remark
Mar 31, 11:20 AM CST	Thunderstorm Wind 55 E	Dawes, AL	Trees and power lines were blown down near Dawes. Some roof damage occurred to a church and minor damage occurred to some buildings around the church. Dime size hail also occurred.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 31, 8:00 AM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.2 hours before the alert went out and 160 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: 663 J/kg
Mixed-layer CIN: -60 J/kg
Mixed-layer LCL: 784 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 217 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 6.9

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 311713
SVRMOB
ALC097-311745-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1113 AM CST SUN MAR 31 2002

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 1145 AM CST

* AT 1113 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM NEAR GULFCREST TO 7 MILES WEST OF
  DEES...MOVING EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  PINEOLA...MAGNOLIA GROVE GOLF COURSE BY 1120 AM CST
  MOBILE AIRPORT...I65 AND AL 158 BY 1125 AM CST
  WHISTLER...UNIVERSITY OF SOUTH ALABAMA BY 1130 AM CST
  SPRING HILL COLLEGE...PRICHARD BY 1135 AM 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 3107 8824 3076 8834 3053 8839 3062 8806
          3088 8805 3111 8802

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 31, 11:39 AM CST	Special Marine Warning	MOB		36 min
Mar 31, 1:02 PM CST	Severe Thunderstorm Warning	MOB	Covington	43 min
Mar 31, 2:08 PM CST	Special Marine Warning	MOB		82 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2002 Every 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.