Alert archive / Alabama / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 39, NWS Mobile, AL

April 15, 1994Tallapoosa County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Apr 15, 1994, 3:26 PM CDT for Tallapoosa County, Alabama. It was in force for 64 min.

The area

The counties it named.

The facts

Issued: Apr 15, 1994, 3:26 PM CDT (20:26 UTC)
Expired: Apr 15, 1994, 4:30 PM CDT
In force: 64 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Tallapoosa County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 8.4 hours before the alert went out and 131 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1524 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 573 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 234 m²/s²
0-3 km storm-relative helicity: 378 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 8.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 152027
SVRMGM
ALC123-152130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
326 PM CDT FRI APR 15 1994
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN CENTRAL ALABAMA
 
   ...TALLAPOOSA COUNTY
 
WEATHER RADAR AT MONTGOMERY SHOWED A SEVERE THUNDERSTORM OVER LAKE
MARTIN. THE THUNDERSTOFRM WAS MOVING EAST AT 35 MILES AN HOUR...AND WILL
BE AFFECTING THE CAMP HILL AREA SHORTLY.

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 15, 12:26 PM CDT, 3 hours before

ALZ052-053-055-056-059-061-062-063-064-MSZ075-076-077-078-079-080-
081-082-151830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1226 PM CDT FRI APR 15 1994

...STRONG THUNDERSTORMS DEVELOPING OVER MONROE COUNTY ALABAMA...

AT 1220 PM THE MOBILE RADAR INDICATED A CLUSTER OF RAPIDLY DEVELOPING
THUNDERSTORMS NEAR FRISCO CITY ALABAMA MOVING TOWARD THE NORTHEAST AT 40
MPH.  THESE STORMS WILL PASS BETWEEN MONROEVILLE AND EVERGREEN WITH
STRONG GUSTY WINDS...DANGEROUS LIGHTNING...HEAVY RAINFALL AND POSSIBLE
HAIL.   IF THE INTENSITY CONTINUES TO INCREASE A WARNING MAY BE REQUIRED
IN PORTIONS OF MONROE AND CONECUH COUNTIES BEFORE LONG.

FURTHER WEST...AN AREA OF THUNDERSTORMS IS DEVELOPING NEAR NEW ORLEANS
AND WILL LIKELY AFFECT PORTIONS OF SOUTHEAST MISSISSIPPI WITHIN AN HOUR
OR TWO.

THE ATMOSPHERE IS VERY UNSTABLE TODAY AND CONDITIONS ARE PRIME FOR
STRONG THUNDERSTORMS THROUGHOUT THE AREA.  RESIDENTS OF SOUTHEAST
MIS4SISSIPPI AND SOUTHWEST ALABAMA SHOULD REMAIN ALERT FOR WEATHER EVENTS
TODAY AND TONIGHT.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 2:33 PM CDT	Severe Thunderstorm Warning	MOB	Coosa, Tallapoosa	57 min
Apr 15, 3:59 PM CDT	Severe Thunderstorm Warning	MOB	Chambers	61 min
Apr 15, 5:57 PM CDT	Tornado Warning	MOB	Dallas	63 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1994 Every severe thunderstorm warning in 1994

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.