Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 113, NWS Mobile, AL

November 4, 1992Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Nov 4, 1992, 7:33 AM CST for Mobile County, Alabama. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Nov 4, 1992, 7:33 AM CST (13:33 UTC)
Expired
Nov 4, 1992, 8:06 AM CST
In force
33 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Mobile County, AL

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 1.6 hours before the alert went out and 255 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, Jackson, MS at 12:00Z on 1992-11-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 12:00Z on 1992-11-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 square meters per square second.193958Sfc1 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
557 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
85 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 041335
SVRMOB
ALC003-097-MSZ000-041430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE MOBILE AL
733 AM CST WED NOV 4 1992
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
EFFECTIVE UNTIL  830 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ALABAMA
 
   ...BALDWIN COUNTY...SOUTHERN MOBILE COUNTY
AT 730 AM MOBILE RADAR SHOWED SEVERE THUNDERSTORMS FROM JUST SOUTHEAST
OF THE MOBILE REGIONAL AIRPORT TO THE MOBILE BALDWIN COUNTY LINE
NORTHEAST OF MOBILE. MOVEMENT WAS NORTHEAST AT 30 MPH.
 
A SPECIAL MARINE WARNING IS IN EFFECT FOR MOBILE BAY UNTIL 9 AM.
 
A POSSIBLE TORNADO UNROOFED A TRAILER HOUSE AT GRADDFARM AND OLD
PASCAGOULA ROAD IN SOUTHERN MOBILE COUNTY AROUND 655 AM. ABOUT THE SAME
TIME SOME WIND DAMAGE WAS DONE TO BLACKWELL NURSERY NEAR SPICE POND AND
LOTT ROAD IN THE NORTHERN PART OF THE COUNTY.
 
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.
 
THIS IS A DANGEROUS ST\ORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
 
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 4, 4:35 AM CSTSevere Thunderstorm WarningMOBHenry40 min
Nov 4, 6:35 AM CSTSevere Thunderstorm WarningMOBMobile55 min
Nov 4, 7:33 AM CSTSevere Thunderstorm WarningMOBBaldwin57 min
Nov 4, 8:27 AM CSTSevere Thunderstorm WarningMOBBaldwin63 min
Nov 4, 10:48 AM CSTSevere Thunderstorm WarningMOBBullock, Macon, Pike57 min
Nov 4, 11:20 AM CSTTornado WarningMOBDale40 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.