Alert archive / Alabama / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 170, NWS Mobile, AL

May 24, 1997Covington County, Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 24, 1997, 11:46 PM CDT for Covington County, Escambia County, Alabama. It was in force for 59 min. 1 report 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
May 24, 1997, 11:46 PM CDT (04:46 UTC)
Expired
May 25, 1997, 12:45 AM CDT
In force
59 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Covington County, AL, Escambia County, AL

What was reported inside it

TimeReportWhereRemark
May 25, 12:05 AM CDTThunderstorm Wind 50River Falls, ALSeveral trees were blown down along US HWY 84 near River Falls.

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 00:00Z, 4.8 hours before the alert went out and 222 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 00:00Z on 1997-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1486 joules per kilogram.LCLEL10008507005003002001001 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, Birmingham, AL at 00:00Z on 1997-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939Sfc1 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
1486 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
982 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
93 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 250446 RRA
SVRMOB
ALC039-053-250545-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1146 PM CDT SAT MAY 24 1997
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...COVINGTON COUNTY
 
IN SOUTHWEST ALABAMA
 
   ...ESCAMBIA COUNTY
 
AT 1145 PM CDT...WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
OVER EASTERN ESCAMBIA COUNTY ALABAMA MOVING INTO WESTERN COVINGTON
COUNTY ALABAMA.
 
WINDS IN EXCESS OF 58 MPH...LARGE HAIL AND DANGEROUS ARE LIKELY WITH THISTORM.
 
THIS STORM WILL BE MOVING NEAR THE AREAS OF BROOKLYN...DIXIE...RED
LEVEL AND WESTERN PARTS OF ANDALUSIA DURING THE NEXT HOUR.
 
MOVEMENT OF THIS STORM WAS TO THE NORTHEAST AT 20 MPH.
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USEH TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

Nearby

Severe Thunderstorm Warnings in Alabama, 1997Every severe thunderstorm warning in 1997

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.