Alert archive / Alabama / Severe Thunderstorm Warnings in 1988

Severe Thunderstorm Warning 41, NWS Mobile, AL

April 25, 1988Barbour County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 25, 1988, 6:58 PM CDT for Barbour County, Alabama. It was in force for 32 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
Apr 25, 1988, 6:58 PM CDT (23:58 UTC)
Expired
Apr 25, 1988, 7:30 PM CDT
In force
32 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Barbour County, AL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Apr 25, 7:15 PM CDTHail 1.75Barbour, AL

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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 12.0 hours before the alert went out and 187 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, Eglin AFB/Valpar, FL at 12:00Z on 1988-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1038 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, Eglin AFB/Valpar, FL at 12:00Z on 1988-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
1038 J/kg
Mixed-layer CIN
-95 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
373 m²/s²
Significant tornado parameter
0.6
Supercell composite
4.6

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 252358
SVRMGM
ALC005-260030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
658 PM CDT MON APR 25 1988
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  730 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH ALABAMA
          ...BARBOUR
 
AT 6 55PM CDT RADAR INDICATED A SEVERE THUNDERSTORM IN NORTHERN
BARBOUR COUNTY NEAR MIDWAY MOVING TOWARD THE EAST NORTHEAST AT 60 MPH.
 
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INQSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 25, 2:39 PM CDT, 4 hours 19 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
235 PM CDT MON APR 25 1988

...TORNADO WATCH IN EFFECT FOR ALL OF SOUTHWEST ALABAMA UNTIL
   800 PM CDT...

NO THUNDERSTORM ACTIVITY IS CURRENTLY OCCURRING IN SOUTHWEST ALABAMA.
HOWEVER...MOIST UNSTABLE AIR WAS ALONG AND SOUTH OF A WARM FRONT
WHICH WAS LOCATED ACROSS SOUTHERN MISSISSIPPI AND ALABAMA. AN
APPROACHING COLD FRONT FROM THE WEST IS EXPECTED TO TRIGGER
SEVERE THUNDERSTORMS? WITHIN AND CLOSE TO THE WATCH AREA. MOST
OF THE STRONGEST THUNDERSTORM ACTIVITY IS EXPECTED TO BE ALONG
AND NEAR THE WARM FRONT WHICH WAS LOCATED FROM JUST SOUTH OF
JACKSON MISSISSIPPI EASTWARD TO MONTGOMERY ALABAMA.
Special weather statement, Apr 25, 5:16 PM CDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
515 PM CDT MON APR 25 1988

...TORNADO WATCH IN EFFECT FOR ALL OF SOUTHWEST ALABAMA UNTIL
   800 PM CDT...

AT 510 PM AN INTENSE THUNDERSTORM WAS LOCATED ABOUT 40 MILES
NORTHEAST OF MONROEVILLE ALABAMA ALONG THE MONROE-WILCOX COUNTY
LINE. THIS STORM WAS RACING EASTWARD AT 60 MPH. THE STORM SHOULD
TRACK ACROSS THE SOUTHERN HALF OF WILCOX COUNTY. OTHER THUNDERSHOWERS
WERE FORMING IN CENTRAL CLARKE COUNTY NEAR GROVE HILL ALABAMA.

THUNDERSTORMS...SOME POSSIBLY SEVERE...WILL LIKELY CONTINUE ALONG
AN EAST-WEST LINE FROM CHATOM TO EVERGREEN ALABAMA. RESIDENTS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR RAPIDLY CHANGING WEATHER
CON'DITIONS DURING THE NEXT SEVERAL HOURS.
Special weather statement, Apr 25, 6:25 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
625 PM CDT MON APR 25 1988

...TORNADO WATCH NUMBER 84 REMAINS IN EFFECT FOR ALL COUNTIES OF
   SOUTHWEST ALABAMA UNTIL 800 THIS EVENING...

MOBILE RADAR AT 620 PM CDT SHOWED WIDELY SCATTERED LIGHT TO MODERATE
SHOWERS OVER THE ALABAMA COASTAL WATERS AND THE NORTHERN PARTS OF CLARKE
AND MONROE COUNTIES OF SOUTHWEST ALABAMA. THE SHOWERS WERE MOVING EAST
NORTHEAST AT 40 MPH. THE MAIN AREA OF SHOWERS HAVE SHIFTED TO THE
COASTAL WATERS IN THE PAST HOUR.

RESIDENTS SHOULD REMAIN WEATHER WISE FOR THE NEXT COUPLE HOURS AS THE
AIR MASS OVER SOUTHWEST ALABAMA REMAINS UNSTABLE. THE LOW PRESSURE
SYSTEM OVER CENTRAL MISSISSIPPI SHOULD MOVE EAST OF THE REGION AROUND
MIDNIGHT PULLING WITH IT A COLD FRONT. DRIER AIR WILL BEGAN TO FILTER
INTO THE REGION FROM THE WEST RETURNING MORE STABLE AIRMASS BEFORE
SUNRISE TUESDAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 5:09 AM CDTSevere Thunderstorm WarningMOBClarke61 min
Apr 25, 3:26 PM CDTSevere Thunderstorm WarningMOBChambers, Coosa, Tallapoosa64 min
Apr 25, 4:30 PM CDTSevere Thunderstorm WarningMOBChambers30 min
Apr 25, 5:27 PM CDTSevere Thunderstorm WarningMOBLowndes63 min
Apr 25, 5:50 PM CDTSevere Thunderstorm WarningMOBMontgomery55 min
Apr 25, 6:04 PM CDTSevere Thunderstorm WarningMOBWilcox56 min
Apr 25, 6:08 PM CDTTornado WarningMOBMontgomery52 min
Apr 25, 6:25 PM CDTSevere Thunderstorm WarningMOBMacon65 min
Apr 25, 6:31 PM CDTTornado WarningMOBLee, Macon59 min
Apr 25, 6:39 PM CDTSevere Thunderstorm WarningMOBBullock66 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1988Every severe thunderstorm warning in 1988

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.