Severe Thunderstorm Warning 153, NWS Mobile, AL

Issued

Nov 30, 1996, 8:26 PM CST (02:26 UTC)

Expired

Nov 30, 1996, 9:30 PM CST

In force

64 min

Issued by

NWS Mobile, AL

Area

Whole counties

County Perry County, MS

The Mobile radar (KMOB), 90 km from the middle of the area, began a volume at 02:26 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.

000 
TTAA00 KMOB 010225
SVRMOB
MSC111-010330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
826 PM CST SAT NOV 30 1996
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  930 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTHEAST MISSISSIPPI
 
   ...PERRY COUNTY
 
AT 825 PM CST...DOPPLER RADAR IN MOBILE INDICATED AN AREA OF SEVERE
THUNDERSTORMS MOVING INTO MUCH OF WESTERN PERRY COUNTY. MOVEMENT OF
THESE THUNDERSTORMS WAS TO EAST NORTHEAST AT 30 MPH.
 
THIS AREA OF STORMS HAVE HAD A HISTORY OF PRODUCING LARGE HAIL AND
DAMAGING WINDS.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
 
 
&

NWS Mobile, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 30, 2:59 PM CST, 5 hours 27 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MOBILE AL
259 PM CST SAT NOV 30 1996

CURRENT SURFACE ANALYSIS SHOWS SURFACE LOW BETWEEN ELD AND MLU WITH
LINE OVER TSRA OVER WESTERN LA PER KLCH LOOP ASSOCIATED WITH
PREFRONTAL TROF.  VIS SAT LOOP SHOWS SOME BREAKS IN CLOUD COVER
ACROSS LA/MS/WESTERN AL WHICH HAS ALLOWED SOME SURFACE HEATING.
MODIFIED SIL SOUNDING FOR 20Z SHOWS CAPES NEAR 1000.  CURRENT KMOB
LOOP SHOWS SCATTERED SHRA OVER CWA WITH KLIX LOOP SHOWING TSRA OVER
CENTRAL LA.  UPPER LOW OVER NORTHERN TX PANHANDLE LIFTS NORTHEAST AND
COMBINES WITH NORTHERN U.S. TROF LEAVING DEEP MID-UPPER TROF TO
QUICKLY PASS CWA SUNDAY EVENING.  UPPER LOW AND STRONG DYNAMICS
REMAIN BEHIND FRONT AS A RESULT THROUGH THE PERIOD WITH COLD FRONT
ENTERING CWA LATE TONIGHT AND EXITING SUNDAY MORNING.  KMOB VWP
CURRENTLY SHOWING LOW LEVEL JET OF 25-30 KNOTS BUT THIS WILL INCREASE
AS MAIN LOW LEVEL JET SHIFTS FROM CENTRAL LA INTO CWA TONIGHT.
EXPECT LOW LEVEL JET TO INCREASE TO 50 KNOTS OVER CWA LATE THIS
EVENING JUST IN ADVANCE OF SQUALL LINE.  ZONE OF STRONG ISENTROPIC
LIFT...ASSOCIATED WITH LOW LEVEL JET...LEADS THE SQUALL LINE AND
SHIFTS FROM CENTRAL LA TO SOUTH CENTRAL MS BY 00Z AND MOVES ACROSS
CWA THIS EVENING REACHING EASTERN CWA BY 06Z.  MESO-ETA SHOWS
MODERATELY HIGH GROUND RELATIVE HELICITIES OF 250-350 REMAINING
ACROSS CWA PRIOR TO FROPA AND WITH STRONG LOW LEVEL JET...DAMAGING
WINDS AND SUPERCELLS ARE POSSIBLE WITH MILD CAPE VALUES BEING THE
LIMITING FACTOR.  GUIDANCE LOOKS GENERALLY GOOD.

MOB 56/62/37/60 +200    PNS 61/63/39/62 +200
DTS 63/67/40/59 +400    EVR 60/65/34/61 +300 29

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

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.