Alert archive / Alabama / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 2, NWS Mobile, AL

January 13, 1992Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jan 13, 1992, 2:22 PM CST for Mobile County, Alabama. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Jan 13, 1992, 2:22 PM CST (20:22 UTC)
Expired
Jan 13, 1992, 3:30 PM CST
In force
68 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Mobile County, AL

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.4 hours before the alert went out and 152 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, Slidell Radar S, LA at 12:00Z on 1992-01-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 357 joules per kilogram.LCLLFCEL10008507005003002001001 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, Slidell Radar S, LA at 12:00Z on 1992-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939587897117Sfc1 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
357 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
108 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 KMOB 132024
SVRMOB
ALC097-132130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
222 PM CST MON JAN 13 1992
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST ALABAMA
 
   ...MOBILE COUNTY
 
AT 220 PM THE MOBILE RADAR INDICATED A STRONG THUNDERSTORM ABOUT 6
MILES SOUTH OF THE MOBILE AIRPORT MOVING TOWARD THE NORTHEAST AT 30
MPH.
 
THIS THUNDERSTORM IS EXPECTED TO CROSS ACROSS THE CITY OF MOBILE
DURING THE NEXT HOUR.  DAMAGING WINDS AND LARGE HAIL IS POSSIBLE WITH
THIS THUNDERSTORM.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNEDz 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.

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, Jan 13, 1:58 PM CST, 24 minutes before
ALZ013-015-016-MSZ014-013-132100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
157 PM CST MON JAN 13 1992

...THE TORNADO WARNING FOR MOBILE COUNTY EXPIRED AT 115 PM...

TORNADO WATCHES FOR BOTH SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA
REMAIN IN EFFECT UNTIL LATER TODAY.

A FLASH FLOOD WATCH IS IN EFFECT SOUTH OF A LINE FROM MOBILE TO
MONROEVILEE TO GREENVILLE IN ALABAMA.

THE THUNDERSTORMS THAT PRODUCED THE TORNADO SOUTH OF LUCEDALE
MISSISSIPPI MOVED INTO MOBILE COUNTY AND HAVE WEAKENED DURING THE PAST
FEW MINUTES.  STRONG WINDS AND INTENSE RAINFALL WAS REPORTED AT MT.
VERNON AROUND 130 PM.

A REPORT OF MARBLE SIZE HAIL AND STRONG WINDS IN EXTREME SOUTHERN
MONROE COUNTY WAS JUST RECEIVED FROM THE STATE TROOPERS OFFICE IN
EVERGREEN.

OTHER STRONG THUNDERSTORMS WERE DEVELOPING OVER SOUTHEAST MISSISSIPPI.
THEY WILL CONTINUE TO DEVELOP AND MOVE NORTHEAST TO EAST FOR THE NEXT
SEVERAL HOURS.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY IN THE FLASH
FLOOD WATCH AREA.  RESIDENTS SHOULD REFRAIN FROM DRIVING ACROSS WATERS
OF UNKNOWN DEPTH.

REPORTS FROM THE STORM AREA NEAR LUCEDALE INDICATED A RESIDENCE WAS
UNROOFED AND MOST OF THE WINDOWS BLOWN OUT.  NO INJURIES REPORTED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 13, 9:01 AM CSTFlash Flood WarningMOBCrenshaw119 min
Jan 13, 12:46 PM CSTTornado WarningMOBMobile29 min
Jan 13, 1:16 PM CSTTornado WarningMOBMobile29 min
Jan 13, 2:25 PM CSTSevere Thunderstorm WarningMOBButler65 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.