Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 80, NWS Mobile, AL

July 9, 1992Conecuh County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 9, 1992, 5:31 PM CDT for Conecuh County, Alabama. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jul 9, 1992, 5:31 PM CDT (22:31 UTC)
Expired
Jul 9, 1992, 6:00 PM CDT
In force
29 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Conecuh County, AL

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 10.5 hours before the alert went out and 116 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, Eglin AFB/Valpar, FL at 12:00Z on 1992-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1194 joules per kilogram.LCLLFCEL10008507005003002001001 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, Eglin AFB/Valpar, FL at 12:00Z on 1992-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 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
1194 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
1217 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
32 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 KMOB 092233
SVRMOB
ALC035-092300-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
531 PM CDT THU JUL 9 1992
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTHWEST ALABAMA
 
   ...WESTERN CONECUH COUNTY
 
AT 525 PM THE NATIONAL WEATHER SERVICE RADAR IN MOBILE SHOWED THE STRONG
THUNDERSTORMS OVER WESTERN CONECUH COUNTY HAVE STRENGTHENED TO SEVERE
LEVELS. THE MOST INTENSE THUNDERSTORMS WERE NEAR THE COMMUNITY OF RANGE
AND WERE SLOWLY APPROACHING REPTON. PERSONS IN WESTERN CONECUH COUNTY
NEAR THESE THUNDERSTORMS SHOULD SEEK SHELTER IMMEDIATELY.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LzOW WATER CROSSINGS.

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 9, 2:39 PM CDT, 2 hours 52 minutes before
ALZ013-015-016-MSZ013-014-092100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
235 PM CDT THU JUL 9 1992

...SCATTERED THUNDERSTORMS DEVELOPING ACROSS AREA...

AT 230 PM THE WEATHER SERVICE RADAR IN MOBILE SHOWED THUNDERSTOMS NEAR
CITRONELLE AND JUST WEST OF ROBERTSDALE. A FEW SHOWERS AND THUNDERSTORMS
WERE DEVELOPING AROUND GULFPORT...NEAR HATTIESBURG AND CRESTVIEW.

THE STORMS WERE DRIFTING NORTHWEST AND THEY WILL LIKELY CONTAIN VERY HEAVY
RAIN...STRONG GUSTY WINDS AND POSSIBLY SOME HAIL. THE TYPICAL SUMMERTIME
STORMS GREATEST THREAT IS LIGHTNING. THESE AFTERNOON THUNDERSTORMS WILL
PRODUCE VERY DANGEROUS AND FREQUENT LIGHTNING.

WHEN A STORM DOES THREATEN YOUR AREA STAY rCLEAR OF OPEN AREAS AND TALL
OBJECTS...WINDOWS AND ELECTRIAL APPLIANCES UNTIL THE THREAT IS OVER.
Special weather statement, Jul 9, 5:03 PM CDT, 28 minutes before
ALZ013-015-016-MSZ014-013-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
505 PM CDT THU JUL 9 1992

...THUNDERSTORMS PERSISTING OVER SOUTHWEST ALABAMA AND SOUTHEAST
MISSISSIPPI THIS AFTERNOON...

AT 5 PM THE NATIONAL WEATHER SERVICE RADAR IN MOBILE WAS SHOWING
SCATTERED SHOWER AND THUNDERSTORMS OVER THE AREA.  SOME OF THE
THUNDERSTORMS WERE STRONG IN NATURE PRODUCING LOCALLY HEAVY RAINFALL
AMOUNTS.  THE STRONGEST THUNDERSTORMS NOTED BY RADAR WERE IN SOUTHERN
CLARKE AND SOUTHERN CONECUH COUNTIES NEAR THE COMMUNITIES OF
URIAH...GOODWAY...RANGE AND CASTLEBERRY.

THE STORMS WERE DRIFTING SLOWLY TO THE NORTHWEST.  FREQUENT
LIGHTNING...STRONG GUSTY WINDS AND POSSIBLE S2MALL HAIL CAN BE EXPECTED
WITH THE STRONG THUNDERSTORMS.

WHEN A THUNDERSTORM THREATENS YOUR AREA...STAY CLEAR OF OPEN AREAS AND
TALL OBJECTS IN ADDITION TO WINDOWS AND ELECTRICAL APPLIANCES UNTIL THE
STORM HAS PASSED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 5:12 PM CDTSevere Thunderstorm WarningMOBMonroe33 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.