Alert archive / Mississippi / Tornado Warnings in 1992

Tornado Warning 5, NWS Mobile, AL

April 20, 1992Stone County, Mississippi

NWS Mobile, AL issued this tornado warning at Apr 20, 1992, 12:42 PM CDT for Stone County, Mississippi. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Apr 20, 1992, 12:42 PM CDT (17:42 UTC)
Expired
Apr 20, 1992, 1:15 PM CDT
In force
33 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Stone County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 5.7 hours before the alert went out and 82 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 1992-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1940 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, Slidell Radar S, LA at 12:00Z on 1992-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 200 square meters per square second.19395878Sfc1 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
1940 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
200 m²/s²
0-3 km storm-relative helicity
313 m²/s²
Significant tornado parameter
2.4
Supercell composite
14.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 201742
TORMOB
MSC131-201815-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1242 PM CDT MON APR 20 1992
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  115 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MISSISSIPPI
 
   ...STONE COUNTY
 
AT 1235 STONE COUNTY CIVIL DEFENSE REPORTED A FUNNELL CLOUD JUST WEST
OF WIGGINS. WEATHER SERVICE RADAR INDICATES THIS IS A VERY STRONG
THUNDERSTORM AND WAS MOVING EAST AT 20 TO 30 MPH. PERSONS IN THE PATH
OF THIS STORM...ESPECIALLY NEAR WIGGINS...WHITES CROSSING AND
PERKINSTON TEN MILE SHOULD SEEK SHELTER IMMEDIATELY.
 
STAY TUNED TO LOCAL NEWS MEDIA OR NOAA WEATHER RADIO FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLO(OR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 12:01 PM CDTSevere Thunderstorm WarningMOBJackson44 min

Nearby

Tornado Warnings in Mississippi, 1992Every tornado warning in 1992Tornadoes 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.