Alert archive / Alabama / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 99, NWS Mobile, AL

April 24, 2000Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 24, 2000, 3:57 AM CDT for Mobile County, Alabama. It was in force for 48 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 24, 2000, 3:57 AM CDT (08:57 UTC)
Expired
Apr 24, 2000, 4:45 AM CDT
In force
48 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Mobile County, AL

What was reported inside it

TimeReportWhereRemark
Apr 24, 4:00 AM CDTTornado F1Mobile, ALIt was found from a National Weather Service Storm Survey that a F1 tornado struck near downtown Mobile. The tornado's path length was approximately 1 mile long and touched down near I -165, passing through the State Docks area. Some roof damage to apartm
Apr 24, 4:30 AM CDTHail 1(Mob)Mobile Bates Fl, ALQuarter size hail was reported west of the Mobile National Weather Service Office.

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

Slidell Radar S, LA (KSIL), launched 00:00Z, 9.0 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, Slidell Radar S, LA at 00:00Z on 2000-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 89 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 00:00Z on 2000-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.1939587897Sfc1 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
89 J/kg
Mixed-layer CIN
-269 J/kg
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
75 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
304 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KMOB 240858
SVRMOB
ALC097-240945-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
357 AM CDT MON APR 24 2000

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 445 AM CDT

* AT 354 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
LINE OF SEVERE THUNDERSTORMS EXTENDING FROM 15 MILES NORTHWEST OF 
PRICHARD TO 14 MILES WEST OF PRICHARD TO 16 MILES NORTHWEST OF   
TILLMANS CORNER...MOVING EAST AT 35 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
PRICHARD...SARALAND...THEODORE...AND TILLMANS CORNER AT 415 AM CDT   
CHICKASAW...MOBILE AT 420 AM CDT   

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT MONDAY
MORNING FOR MISSISSIPPI.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 24, 4:44 AM CDTSevere Thunderstorm WarningMOBBaldwin46 min
Apr 24, 9:28 AM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile62 min
Apr 24, 10:05 AM CDTSevere Thunderstorm WarningMOBEscambia40 min
Apr 24, 10:45 AM CDTSevere Thunderstorm WarningMOBEscambia30 min

Nearby

Severe Thunderstorm Warnings in Alabama, 2000Every severe thunderstorm warning in 2000

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.