Alert archive / Alabama / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 31, NWS Mobile, AL

April 4, 1989Crenshaw County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 4, 1989, 2:53 PM CDT for Crenshaw County, Alabama. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Apr 4, 1989, 2:53 PM CDT (19:53 UTC)
Expired
Apr 4, 1989, 4:00 PM CDT
In force
67 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Crenshaw County, AL

The radar

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

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 7.9 hours before the alert went out and 140 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, 11:16 AM CDT, 3 hours 37 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1115 AM CDT TUE APR 4 1989

...TORNADO WATCHES IN EFFECT FOR PORTIONS OF SOUTHWEST ALABAMA AND
SOUTHEAST MISSISSIPPI UNTIL 500 PM TODAY...

TORNADO WATCHES WERE ISSUED LATE THIS MORNING FOR THE CENTRAL AND
SOUTHERN PORTIONS OF ALABAMA AND MISSISSIPPI.  COUNTIES IN SOUTHEAST
MISSISSIPPI INCLUDED IN THE WATCH ARE LAMAR...FORREST AND PERRY AND IN
SOUTHWEST ALABAMA CLARKE COUNTY IS INCLUDED.

WEATHER SERVICE RADARS INDICATE THAT THE SEVERE THUNDERSTORMS ARE NOW
LOCATED FROM WEST-CENTRAL MISSISSIPPI TO NORTH ALABAMA.  THE STORMS
ARE EXPECTED TO MOVE EAST AND SOUTHEAST AND AFFECT THE WATCH AREA IN
SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA THIS AFTERNOON.

RESIDENTS OF THE COUNTIES IN THE WATCH AREA SHOULD BE ALERT TODAY AS
THE THUNDERSTORMS MOVE TOWARD YOUR LOCATION.
Special weather statement, Apr 4, 1:29 PM CDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
130 PM CDT TUE APR 4 1989

...TORNADO WATCHES IN EFFECT FOR PORTIONS OF SOUTHWEST ALABAMA AND
SOUTHEAST MISSISSIPPI UNTIL 500 PM TODAY...

TORNADO WATCHES WERE ISSUED LATE THIS MORNING FOR THE CENTRAL AND
SOUTHERN PORTIONS OF ALABAMA AND MISSISSIPPI.  COUNTIES IN SOUTHEAST
MISSISSIPPI INCLUDED IN THE WATCH ARE LAMAR...FORREST AND PERRY AND IN
SOUTHWEST ALABAMA CLARKE COUNTY IS INCLUDED.

AT 125 PM CDT THE MOBILE RADAR INDICATED A STRONG THUNDERSTORM 10 MILES
SOUTHWEST OF EVERGREEN IN CONECUH COUNTY ALABAMA.  IT WAS MOVING TOWARD
THE NORTHEAST AT 35 MPH AND WILL PASS NEAR EVERGREEN DURING THE NEXT 20
MINUTES.  THE STORM IS CAPABLE OF PRODUCING STRONG GUSTY WINDS AND HAIL.

RESIDENTS OF THE COUNTIES IN THE WATCH AREA SHOULD BE ALERT TODAY AS
THE THUNDERSTORMS MOVE TOWARD YOUR LOCATION.
Special weather statement, Apr 4, 2:42 PM CDT, 11 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.

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, 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 WarningMOBPike66 min
Apr 4, 6:09 PM CDTSevere Thunderstorm WarningMOBButler66 min
Apr 4, 6:44 PM CDTSevere Thunderstorm WarningMOBClarke46 min
Apr 4, 3:30 PM CDTSevere Thunderstorm WarningMOBLamar45 min
Apr 4, 4:46 PM CDTSevere Thunderstorm WarningMOBForrest44 min
Apr 4, 6:30 PM CDTSevere Thunderstorm WarningMOBGreene60 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; the sounding from the Mesonet's radiosonde archive.