Alert archive / Alabama / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 45, NWS Mobile, AL

April 4, 1989Pike County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 4, 1989, 6:09 PM CDT for Pike County, Alabama. It was in force for 66 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 4, 1989, 6:09 PM CDT (23:09 UTC)
Expired
Apr 4, 1989, 7:15 PM CDT
In force
66 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Pike 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 4, 6:15 PM CDTHail 0.75Pike, 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, 11.2 hours before the alert went out and 156 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 1989-04-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 120 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1989-04-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 108 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
120 J/kg
Mixed-layer CIN
-339 J/kg
Mixed-layer LCL
1065 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
108 m²/s²
0-3 km storm-relative helicity
142 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 042311
SVRMGM
ALC013-109-050015-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
609 PM CDT TUE APR 4 1989
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH ALABAMA
          ...BUTLER...PIKE
 
MONTGOMERY'S WEATHER RADAR SHOWED TWO SEVERE THUNDERSTORMS ONE WAS 10 MIWEST OF GEORGIANNA AND THE OTHER WAS IN NORTHERN PIKE COUNTY. THE
THUNDERSTORMS ARE MOVING EAST AT 20 MILES AN HOUR IN A LINE THAT IS
MOVING SOUTHEAST AT 20 MILES AN HOUR.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADL=Y LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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 4, 2:42 PM CDT, 3 hours 27 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
230 PM CDT TUE APR 4 1989

..A TORNADO WATCH WILL BE IN EFFECT FOR PARTS OF THE FLORIDA PANHANDLE.

A TORNADO WATCH FOR ESCAMBIA AND SANTA ROSA COUNTIES IS EFFECTIVE FROM
245PM TO 10PM CDT THIS TUESDAY EVENING.

A NEARLY-SOLID LINE OF THUNDERSTORMS STRETCHED FROM SOUTHEAST AND
EAST CENTRAL MISSISSIPPI ACROSS THE CENTRAL SECTIONS OF ALABAMA. THE
LINE WS MOVING TO JTHE SOUTHEAST AT 15 TO 20 MILES AN HOUR.

WIDELY SCATTERED THUNDERSTORMS WERE OVER COASTAL MISSISSIPPI AND OVER
THE SOUTHEAST QUARTER OF ALABAMA. THESE STORMS WERE MOVING TO THE
NORTHEAST AT 20 TO 25 MILES AN HOUR.
Special weather statement, Apr 4, 2:57 PM CDT, 3 hours 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
255 PM CDT TUE APR 4 1989

...TORNADO WATCH NUMBER 91 IS NOW IN EFFECT FOR ALL PARTS OF SOUTHWEST
ALABAMA SOUTHEAST MISSISSIPPI UNTIL 1000 PM...

A TORNADO WATCH HAS NOW BEEN ISSUED THAT INCLUDES ALL COUNTIES IN
SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.  THE WATCH IS IN EFFECT
UNTIL 1000 PM.

AT 250 PM THE MOBILE RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM
NEAR LAUREL MISSISSIPPI NORTHEASTWARD INTO CENTRAL ALABAMA.  THE LINE
WAS MOVING TOWARD THE SOUTHEAST AT 25 MPH WHILE THE INDIVIDUAL STORMS
WERE MOVING EAST AROUND 50 MPH.   IF THE PRESENT MOVEMENT AND INTENSITY
PERSISTS...WARNINGS WILL BE ISSUED FOR WASHINGTON AND CLARKE COUNTIES
OF ALABAMA WITHIN THE NEXT HOUR.

RESIDENTS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA SHOULD REMAIN
ALERT FOR WEATHER EVENTS THE AFTERNOON AND EVENING.  THIS IS A STRONG
WEATHER SYSTEM AND HAS A HIGH PROBABILITY OF PRODUCINuG SEVERE WEATHER.
Local storm report, Apr 4, 5:14 PM CDT, 55 minutes before
ATTN SELS
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
510 PM CDT TUE APR 4 1989

THE FOLLOWING REPORTS HAVE BEEN RECEIVED AT THIS OFFICE UP TO 500 PM...

308 PM CDT...MARBLE SIZE HAIL JUST NORTH OF INTERSTATE 10 IN HANCOCK
             COUNTY MISSISSIPPI.

425 PM CDT...PEA TO MARBLE SIZE HAIL ON THE SOUTH SIDE OF HATTIESBURG.

440 PM CDT...GOLF BALL SIZE HAIL IN MILLRY IN WASHINGTON COUNTY ALABAMA.

443 PM CDT...MARBLE SIZE HAIL REPORTED IN AND AROUND PURVIS MISSISSIPPI
             IN LAMAR COUNTY.
Local storm report, Apr 4, 6:00 PM CDT, 9 minutes before
ATTN SELS
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
555 PM CDT TUE APR 4 1989

AT 550 PM DUANES CHEVRON LOCATED ABOUT TWO MILES SOUTH OF CAMP SHELBY IN
FORREST COUNTY MISSISSIPPI REPORTED DI,ME SIZE HAIL...ALSO HAD RECEIVED
NUMEROUS REPORTS OF HAIL UP TO THE SIZE OF GOLFBALLS COVERNING THE
GROUND AND CAUSING DRIVING PROBLEMS.
Local storm report, Apr 4, 6:02 PM CDT, 7 minutes before
ATTN SELS
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
555 PM CDT TUE APR 4 1989

AT 550 PM DUANES CHEVRON LOCATED ABOUT TWO MILES SOUTH OF CAMP SHELBY IN
FORREST COUNTY MISSISSIPPI REPORTE0D DIME SIZE HAIL...ALSO HAD RECEIVED
NUMEROUS REPORTS OF HAIL UP TO THE SIZE OF GOLFBALLS COVERNING THE
GROUND AND CAUSING DRIVING PROBLEMS AT BROOKLYN IN THE SOUTH PART OF
THE COUNTY.
Local storm report, Apr 4, 6:03 PM CDT, 6 minutes before
ATTN SELS
STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
555 PM CDT TUE APR 4 1989

AT 550 PM DUANES CHEVRON LOCATED ABOUT TWO MILES SOUTH OF CAMP SHELBY IN
FORREST COUNTY MISSISSIPPI REPORTED DIME 1SIZE HAIL...ALSO HAD RECEIVED
NUMEROUS REPORTS OF HAIL UP TO THE SIZE OF GOLFBALLS COVERNING THE
GROUND AND CAUSING DRIVING PROBLEMS AT BROOKLYN IN THE SOUTH PART OF
THE COUNTY.

TIME OF OCCURRENCE WAS 500 PM.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 4, 1:46 PM CDTSevere Thunderstorm WarningMOBCoosa59 min
Apr 4, 2:17 PM CDTSevere Thunderstorm WarningMOBMontgomery58 min
Apr 4, 2:22 PM CDTSevere Thunderstorm WarningMOBTallapoosa68 min
Apr 4, 2:22 PM CDTSevere Thunderstorm WarningMOBAutauga, Dallas68 min
Apr 4, 2:32 PM CDTSevere Thunderstorm WarningMOBElmore, Macon58 min
Apr 4, 2:53 PM CDTSevere Thunderstorm WarningMOBLee67 min
Apr 4, 2:53 PM CDTSevere Thunderstorm WarningMOBCrenshaw67 min
Apr 4, 3:09 PM CDTSevere Thunderstorm WarningMOBMontgomery66 min
Apr 4, 3:22 PM CDTTornado WarningMOBMontgomery68 min
Apr 4, 3:29 PM CDTSevere Thunderstorm WarningMOBAutauga, Dallas61 min
Apr 4, 3:29 PM CDTSevere Thunderstorm WarningMOBElmore61 min
Apr 4, 3:41 PM CDTSevere Thunderstorm WarningMOBMacon64 min
Apr 4, 3:55 PM CDTSevere Thunderstorm WarningMOBLee65 min
Apr 4, 3:58 PM CDTSevere Thunderstorm WarningMOBClarke, Washington62 min
Apr 4, 4:00 PM CDTSevere Thunderstorm WarningMOBBullock60 min
Apr 4, 4:30 PM CDTSevere Thunderstorm WarningMOBLowndes60 min
Apr 4, 4:47 PM CDTSevere Thunderstorm WarningMOBMontgomery58 min
Apr 4, 5:06 PM CDTSevere Thunderstorm WarningMOBClarke54 min
Apr 4, 5:28 PM CDTSevere Thunderstorm WarningMOBWilcox62 min
Apr 4, 6:09 PM CDTSevere Thunderstorm WarningMOBButler66 min
Apr 4, 6:44 PM CDTSevere Thunderstorm WarningMOBClarke46 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1989Every severe thunderstorm warning in 1989

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.