Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 76, NWS Mobile, AL

July 5, 1992Montgomery County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 5, 1992, 3:40 PM CDT for Montgomery County, Alabama. It was in force for 65 min.

The area

The counties it named.

The facts

Issued: Jul 5, 1992, 3:40 PM CDT (20:40 UTC)
Expired: Jul 5, 1992, 4:45 PM CDT
In force: 65 min
Issued by: NWS Mobile, AL
Area: Whole counties

County Montgomery County, AL

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 12:00Z, 8.7 hours before the alert went out and 120 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: 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 052040
SVRMGM
ALC047-101-052145-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
340 PM CDT SUN JUL 5 1992
 
THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  445 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTH ALABAMA
 
   ...DALLAS COUNTY...MONTGOMERY COUNTY
 
WEATHER RADAR INDICATED SEVERE THUNDERSTORMS...ONE JUST WEST OF
SELMA...AND THE OTHER IN NORTHERN MONTGOMERY COUNTY. THE STORMS WERE
MOVING TOWARD THE SOUTHEAST AT 30 MPH.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION 2MOVE 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.

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, 5 minutes 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.

Issued	Product	Office	Counties	Lasted
Jul 5, 3:19 PM CDT	Severe Thunderstorm Warning	MOB	Elmore	56 min
Jul 5, 3:40 PM CDT	Severe Thunderstorm Warning	MOB	Dallas	65 min
Jul 5, 5:36 PM CDT	Severe Thunderstorm Warning	MOB	Pike	69 min

Nearby

Severe Thunderstorm Warnings in Alabama, 1992 Every 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.