Alert archive / Mississippi / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 118, NWS Mobile, AL

November 22, 1992Harrison County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Nov 22, 1992, 2:45 AM CST for Harrison County, Stone County, Mississippi. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Nov 22, 1992, 2:45 AM CST (08:45 UTC)
Expired
Nov 22, 1992, 3:30 AM CST
In force
45 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Harrison County, MS, Stone County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 8.8 hours before the alert went out and 70 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 00:00Z on 1992-11-22Temperature 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 00:00Z on 1992-11-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 220846
SVRMOB
MSC047-131-220930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
245 AM CST SUN NOV 22 1992
 
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHEAST MISSISSIPPI
 
   ...HARRISON COUNTY...STONE COUNTY
 
AT 242 AM THE MOBILE RADAR INDICATED A SEVERE THUNDERSTORM NEAR SAUCIER
MOVING TOWARD THE NORTHEAST ABOUT 30 MPH.
 
THE STORM WILL PASS NEAR SUCCESS AND BEATRICE.
 
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 WAR8NING.  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, Nov 21, 9:49 PM CST, 4 hours 56 minutes before
ALZ013-015-016-MSZ014-013-220545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
948 PM CST SAT NOV 21 1992

...TURBULENT WEATHER ON TAP EARLY SUNDAY FOR SOUTHEAST MISSISSIPPI AND
SOUTHWEST ALABAMA...

...A TORNADO WATCH IS IN EFFECT FOR ALL COUNTIES IN SOUTHEAST
MISSISSIPPI UNTIL 300 AM CST...

A VERY INTENSE LINE OF THUNDERSTORMS WAS INDICATED BY WEATHER SERVICE
RADARS ACROSS CENTRAL LOUISIANA AT 935 PM.  THE THUNDERSTORMS WERE AHEAD
OF A STRONG LOW PRESSURE SYSTEM AND ASSOCIATED COLD FRONT.  THE LINE OF
STORMS WAS MOVING TOWARD THE EAST AROUND 35 MPH.

THESE THUNDERSTORMS ARE EXPECTED TO MOVE INTO PEARL-RIVER AND HANCOCK
COUNTIES OF MISSISSIPPI BETWEEN 1 AND 3AM AND CONTINUE EASTWARD ACROSS
THE REMAINDER OF SOUTHEAST MISSISSIPPI INTO SOUTHWEST ALABAMA...ARRIVING
AROUND DAYBREAK.

THIS IS A VERY STRONG WEATHER SYSTEM AND IT IS LIKELY THAT ADDITIONAL
WEATHER WATCHES WILL BE ISSUED FOR THE AREA AFTER MIDNIGHT.

PERSONS IN SOUTHEAST MISSISSIPPPI AND SOUTHWEST ALABAMA SHOULD BE AWARE
THAT SEVERE WEATHER COULD AFFECT YOUR AREA.  MAKE PLANS TO MOVE TO A
SAFE PLACE INSIDE YOUR HOME IF A WARNING IS ISSUED OR YOU ARE AWAKENED
BY STORMY WEATHER.  AN INTERIOR HALLWAY OR BATHROOM IS BEST. AVOID
WINDOWNS.
Special weather statement, Nov 21, 10:44 PM CST, 4 hours 1 minute before
ALZ016-MSZ013-220545-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1043 PM CST SAT NOV 21 1992

...DENSE SEA FOG ONSHORE IN COASTAL SECTIONS OF MISSISSIPPI AND
ALABAMA...

SEA FOG HAS MOVED ONSHORE IN COASTAL MISSISSIPPI AND ALABAMA THIS
EVENING.  THE VISIBILITY AT BILOXI MISSISSIPPI WAS REPORTED TO BE ZERO A
SHORT TIME AGO.  ALTHOUGH NO REPORTS HAVE BEEN RECIVED FROM THE ALABAMA
COAST...IT IS LIKELY THAT SIMILAR CONDITIONS EXIST THERE.

FOG WITH VISIBLITIES NEAR ZERO IS EXPECTED TO PERSIST UNTIL THE WIND
INCREASES AHEAD OF A THUNDERSTORM LINE APPROACHING THE AREA FROM THE
WEST DURING THE EARLY MORNING HOURS.

MOTORISTS TRAVELLING IN THE COASTAL SECTIONS OF ALABAMA AND MISSISSIPPI
...ESPECIALLY INTERSTATE HIGHWAY 10...SHOULD SLOW DOWN AND DRIVE WITH
CAUTION.
Special weather statement, Nov 21, 11:44 PM CST, 3 hours 1 minute before
ALZ013-015-016-MSZ014-013-220645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1144 PM CST SAT NOV 21 1992

...A TORNADO WATCH REMAINS IN EFFECT FOR ALL SOUTHEAST MISSISSIPPI
COUNTIES UNTIL 300 AM...

AT 1140 PM THE MOBILE RADAR INDICATED SHOWERS DEVELOPING OVER
PEARL-RIVER COUNTY MISSISSIPPI.  THEY WERE MOVING TOWARD THE NORTH AT 30
MPH.  FURTHER WEST...TO THE NORTHWEST OF HATTIESBURG...VERY STRONG
THUNDERSTORMS WERE MOVING TOWAR THE NORTH-NORTHEAST.

A LINE OF VERY INTENSE STORMS CONTINUES TO MOVE EASTWARD OVER EAST
CENTRAL LOUISIANA AND WILL MOVE INTO SOUTHEAST MISSISSIPPI AFTER
MIDNIGHT.

RESIDENTS IN THE WATCH AREA SHOULD REMAIN ALERT FOR THE POSSIBLITY OF
SEVEjRE WEATHER.
Special weather statement, Nov 22, 1:19 AM CST, 1 hour 26 minutes before
ALZ013-015-016-MSZ014-013-220815-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
119 AM CST SUN NOV 22 1992

...A TORNADO WATCH REMAINS IN EFFECT FOR SOUTHEAST MISSISSIPPI UNTIL 300
AM CST...

AT 110 AM THE MOBILE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS
CROSSING THE PEARL RIVER INTO HANCOCK AND PEARL-RIVER COUNTY.  THE LINE
WAS MOVING TOWARD EAST AT 30 MPH WHILE THE THUNDERSTORMS WERE MOVING
NORTHEAST UP TO LINE AROUND 35 MPH.  THE THUNDERSTORMS HAD WEAKENED A
BIT DURING THE PAST HOUR.

THE LINE OF THUNDERSTORMS WILL CONTINUE EASTWARD ACROSS SOUTHEAST
MISSISSIPPI FOR THE NEXT HOUR OR TWO.  STRONG GUSTY WINDS...DANGEROUS
LIGHTNING AND HEAVY RAIN WILL ACCOMPANY THE STORMS AS THEY MOVE EAST.

RESIDENTS OF SOUTHEAST MISSISSIPPI SHOULD REMAIN ALERT FOR THE
POSSIBILITY OR SEVERE WEATHER.

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 22, 3:45 AM CSTTornado WarningMOBGreene30 min

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.