Alert archive / Mississippi / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 89, NWS Mobile, AL

August 6, 1992Jackson County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Aug 6, 1992, 6:20 PM CDT for Jackson County, Mississippi. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Aug 6, 1992, 6:20 PM CDT (23:20 UTC)
Expired
Aug 6, 1992, 7:00 PM CDT
In force
40 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Jackson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 11.3 hours before the alert went out and 106 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 1992-08-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1992-08-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
43 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 062321
SVRMOB
MSC059-070000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
620 PM CDT THU AUG 6 1992
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......
 
IN SOUTHEAST MISSISSIPPI
 
   ...NORTHERN JACKSON COUNTY
 
 
AT 618 PM WEATHER SERVICE RADARS INDICATED A SEVERE THUNDERSTORM 3 MILES
WEST OF WADE MOVING TOWARD THE EAST AT 15 MPH.
 
LARGE HAIL IS INDICATED WITH THIS THUNDERSTORM.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE 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, Aug 6, 2:04 PM CDT, 4 hours 16 minutes before
FLZ001-002-062000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENSACOLA FL
200 PM CDT THU AUG 6 1992

WEATHER SERVICE RADAR SHOWED A CLUSTER OF THUNDERSTORMS MOVING INTO
THE NORTHWEST PART OF ESCAMBIA COUNTY FLORIDA FROM JUST NORTHEAST OF
ATMORE ALABAMA TO NEAR WALNUT HILL FLORIDA TO MOBILE BAY.

GUSTY WINDS OF 30 TO 40 MPH... HEAVY RAINS CAUSING TEMPORARY FLOODING
OF ROADS AND LOW LYING AREAS...FREQUENT LIGHTNING STRIKES AND
POSSIBLE SMALL HAIL CAN BE EXPECETED FROM THESE STORMS AS THEY MOVE
EAST SOUTHEAST AT 10 MILES AN HOUR.

THE THUNDERSTORMS SHOULD MOVE THROUGH CENTURY AND MCDAVID BETWEEN
215 AND 245 PM AND WILL BE APPROACHING JAY AROUND 300 PM.F
Special weather statement, Aug 6, 5:27 PM CDT, 53 minutes before
ALZ016-MSZ013-062330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
525 PM CDT THU AUG 6 1992

AT 520 PM THE MOBILE RADAR INDICATED SEVERAL STRONG THUNDERSTORMS
DEVELOPING OVER JACKSON COUNTY MISSISSIPPI AND MOBILE COUNTY IN ALABAMA.
THESE THUNDERSTORMS WERE MOVING TOWARD THE EAST AT 15 MPH AND WILL MOVE
INTO MOBILE COUNTY DURING THE AFTERNOON RUSH HOUR.

THE THUNDERSTORMS WILL PRODUCE GUSTY WINDS...DANGEROUS LIGHTNING...VERY
HEAVY RAINFALL THAT MAY BRIEFLY FLOOD STREETS AND ROADS...AND POSSIBLY
SOME HAIL.

RESIDENTS OF JACKSON AND MOBILE COUNTIES SHOULD BE ALERT AS THESE
THUNDERSTORMS MOVE THROUGH THE AREA.

OTHER THUNDERSTORMS MAY DEVELOP NEAR THE COASTS OF ALABAMA (AND
MISSISSIPPI DURING THE NEXT COUPLE OF HOURS.

RESIDENTS ARE REMINDED TO PLAY IT SAFE WITH LIGHTNING...GO INDOORS IF A
STORM APPROACHES.

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.