Alert archive / Alabama / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 321, NWS Birmingham, AL

May 28, 1996Lauderdale County, Alabama

NWS Birmingham, AL issued this severe thunderstorm warning at May 28, 1996, 7:47 PM CDT for Lauderdale County, Alabama. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 28, 1996, 7:47 PM CDT (00:47 UTC)
Expired: May 28, 1996, 8:45 PM CDT
In force: 58 min
Issued by: NWS Birmingham, AL
Area: Whole counties

County Lauderdale County, AL

The radar

The Columbus AFB radar (KGWX), 128 km from the middle of the area, began a volume at 00:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.8 hours before the alert went out and 167 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: 2991 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 989 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 150 m²/s²
0-3 km storm-relative helicity: 260 m²/s²
Significant tornado parameter: 4.6
Supercell composite: 16.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KHSV 290048
SVRHSV
ALC077-290145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HUNTSVILLE AL
747 PM CDT TUE MAY 28 1996
 
THE NATIONAL WEATHER SERVICE IN HUNTSVILLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  845 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH ALABAMA
 
   ...LAUDERDALE COUNTY
 
AT 745 PM CDT NATIONAL WEATHER SERVICE RADAR IN HUNTSVILLE INDICATED A
SEVERE THUNDERSTORM SOUTHEAST HARDIN AND SOUTHWEST WAYNE COUNTIES OF
SOUTHERN TENNESSEE.
 
THIS SEVERE THUNDERSTORM WAS MOVING SOUTHEAST AT AROUND 30 MILES AN HOUR
AND WILL MOVE INTO NORTHCENTRAL LAUDERDALE COUNTY NEAR THREET AND
CLOVERDALE SHORTLY AFTER 800 PM CDT.
 
THIS THUNDERSTORM HAS A HISTORY OF PRODUCING DAMAGE. THE STORM WILL BE
CLOSELY MONITORED AND MAY NEED TO BE UPGRADED TO A TORNADO
WARNING. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY 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.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 8:11 PM CDT	Tornado Warning	BMX	Lauderdale	64 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1996 Every severe thunderstorm warning in 1996

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; radar from the NEXRAD Level II archive.