Alert archive / Alabama / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 34, NWS Mobile, AL

May 13, 1993Barbour County, Bullock County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at May 13, 1993, 9:31 AM CDT for Barbour County, Bullock County, Alabama. It was in force for 59 min.

The area

The counties it named.

The facts

Issued: May 13, 1993, 9:31 AM CDT (14:31 UTC)
Expired: May 13, 1993, 10:30 AM CDT
In force: 59 min
Issued by: NWS Mobile, AL
Area: Whole counties

Counties Barbour County, AL, Bullock County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 2.5 hours before the alert went out and 185 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: 311 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 771 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 59 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 131432 RRA
SVRMGM
ALC011-005-131530-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
931 AM CDT THU MAY 13 1993
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1030 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTH ALABAMA
 
   ...BULLOCK COUNTY
 
IN SOUTHEAST ALABAMA
 
   ...BARBOUR COUNTY
 
WEATHER RADAR AT MONTGOMERY SHOWED SEVERE THUNDERSTORMS OVER BULLOCK
COUNTY JUST EAST OF UNION SPRINGS...AND MOVING INTO BARBOUR COUNTY...15
MILES WEST OF CLAYTON. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30
MILES AN HOUR.
 
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.
 
 R

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, May 13, 8:38 AM CDT, 53 minutes before

FLZ003-004-131430-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
835 AM CDT THU MAY 13 1993

AT 830 AM CDT...A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN AND GUSTY
WINDS EXTENDED FROM NEAR DOTHAN ALABAMA AND EXTENDED SOUTHWEST ACROSS
HOLMES COUNTY AND INTO THE COASTAL  WATERS BETWEEN FREEPORT AND PANAMA
CITY.
THE THUNDERSTORMS WITH THE HEAVIER RAINS WERE JUST WEST OF BONIFAY...
SOUTHEAST OF FREEPORT.
THE LINE OF ZTHUNDERSTORMS WAS SPREADING EAST AT 15 MILES AN HOUR...
WITH THE INDIVIDUAL THUNDERSTORMS MOVING NORTHEAST AT 35 MILES AN HOUR.

Local storm report, May 13, 9:00 AM CDT, 31 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE PENSACOLA FL
900 AM CDT THU MAY 13 1993

TIME          EVENT

AROUND 840 AM HOLMES COUNTY...EMERGENCY MANAGEMENT REPORTED
              QUARTER SIZE HAIL EAST OF ESTO AROUND INTERSECTION
              OF HWY 2 AND HWY 173.  THE HAIL LASTED ONLY A SHORT
              TIME.

Local storm report, May 13, 9:07 AM CDT, 24 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE PENSACOLA FL
900 AM CDT THU MAY 13 1993

TIME          EVENT

AROUND 840 AM HOLMES COUNTY...EMERGENCY MANAGEMENT REPORTED
              QUARTER SIZE HAIL EAST OF ESTO AROUND INTERSECTION
              OF HWY 2 AND HWY 173.  THE HAIL LASTED ONLY A SHORT
              TIME.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 13, 9:10 AM CDT	Severe Thunderstorm Warning	MOB	Houston	65 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1993 Every severe thunderstorm warning in 1993

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.