Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 77, NWS Mobile, AL

July 5, 1992Pike County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 5, 1992, 5:36 PM CDT for Pike County, Alabama. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
Jul 5, 1992, 5:36 PM CDT (22:36 UTC)
Expired
Jul 5, 1992, 6:45 PM CDT
In force
69 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Pike County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 10.6 hours before the alert went out and 170 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, Centreville/Bibb, AL at 12:00Z on 1992-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Centreville/Bibb, AL at 12:00Z on 1992-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
0 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
20 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMGM 052236
SVRMGM
ALC109-052345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
536 PM CDT SUN JUL 5 1992
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...PIKE COUNTY
 
MONTGOMERY RADAR INDICATED A SEVERE THUNDERSTORM OVER TROY MOVING TO
THE EAST SOUTHEAST AT 20 MPH.
 
 
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 QUI,CKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Jul 5, 3:35 PM CDT, 2 hours 1 minute before
FLZ001>004-052130-
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
330 PM CDT SUN JUL 5 1992

STRONG THUNDERSTORMS HAD DEVELOPED IN THE CENTRAL FLORIDA PANHANDLE.

AT 3:30 PM CDT...SHOWERS AND THUNDERSTORMS WERE OCCURRING FROM
WALTON COUNTY TO WASHINGTON COUNTY OF NORTHWEST FLORIDA. THE STRONGEST
THUNDERSTORMS WERE LOCTED NEAR MOSSY HEAD AND DEFUNIAK SPRINGS.

IN ADDITION TO HEAVY RAIN...SMALL HAIL IS POSSIBLE WITH THESE STORMS.

THUNDERSTORMS IN ALABAMA WERE SCATTERED FROM BREWTON TO MONTGOMERY.

SHOWER AND THUNDERSTORM MOVEMENT WAS EAST AROUND 15 MPH.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 3:19 PM CDTSevere Thunderstorm WarningMOBElmore56 min
Jul 5, 3:40 PM CDTSevere Thunderstorm WarningMOBDallas65 min
Jul 5, 3:40 PM CDTSevere Thunderstorm WarningMOBMontgomery65 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1992Every severe thunderstorm warning in 1992

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.