Alert archive / Mississippi / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 331, NWS Jackson, MS

September 1, 1994Newton County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Sep 1, 1994, 3:47 PM CDT for Newton County, Mississippi. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Sep 1, 1994, 3:47 PM CDT (20:47 UTC)
Expired
Sep 1, 1994, 4:30 PM CDT
In force
43 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Newton County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.8 hours before the alert went out and 91 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 1994-09-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1260 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, Jackson, MS at 12:00Z on 1994-09-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 41 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
1260 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
595 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
41 m²/s²
0-3 km storm-relative helicity
60 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 KMEI 012047 RRA
SVRMEI
MSC101-012130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
347 PM CDT THU SEP 1 1994
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN EAST CENTRAL MISSISSIPPI
 
   ...NEWTON COUNTY
 
AT 345 PM CDT...MERIDIAN RADAR INDICATED A SEVERE THUNDERSTORM
7 MILES EAST OF NEWTON MISSISSIPPI. MOVEMENT WAS EAST AT 5 TO 10
MILES AN HOUR.
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, Sep 1, 9:57 AM CDT, 5 hours 50 minutes before
MSZ001>082-020000-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT THU SEP 1 1994

...NO SEVERE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON OR TONIGHT...

A WEAK COLD FRONT STRETCHED ACROSS EXTREME NORTH MISSISSIPPI LATE THIS
MORNING...AND WILL MOVE SLOWLY SOUTH THIS AFTERNOON. MOIST AND UNSTABLE
AIR WILL REMAIN IN PLACE OVER THE STATE ALONG AND SOUTH OF THE FRONT...
AND SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED OVER THE STATE
THIS AFTERNOON AND TONIGHT.

RAINFALL AMOUNTS IN EXCESS OF AN INCH AN HOUR CAN BE EXPECTED WITH SOME
OF THE STRONGER STORMS...ALONG WITH WIND GUSTS IN EXCESS OF 35 MILES AN
HOUR. HOWEVER THE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS.
Special weather statement, Sep 1, 10:00 AM CDT, 5 hours 47 minutes before
MSZ001>082-020000-

MISSISSIPPI THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CDT THU SEP 1 1994

...NO SEVERE THUNDERSTORMS ARE EXPECTED THIS AFTERNOON OR TONIGHT...

A WEAK COLD FRONT STRETCHED ACROSS EXTREME NORTH MISSISSIPPI LATE THIS
MORNING...AND WILL MOVE SLOWLY SOUTH THIS AFTERNOON. MOIST AND UNSTABLE
AIR WILL REMAIN IN PLACE OVER THE STATE ALONG AND SOUTH OF THE FRONT...
AND SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED OVER THE STATE
THIS AFTERNOON AND TONIGHT.

RAINFALL AMOUNTS IN EXCESS OF AN INCH AN HOUR CAN BE EXPECTED WITH SOME
OF THE STRONGER STORMS...ALONG WITH WIND GUSTS IN EXCESS OF 35 MILES AN
HOUR. HOWEVER THE THUNDERSTORMS ARE NOT EXPECTED TO REACH SEVERE LIMITS.
Special weather statement, Sep 1, 1:57 PM CDT, 1 hour 50 minutes before
MSZ038-039-045-046-051-052-057-058-066-067-ALZ030-051-012100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
157 PM CDT THU SEP 1 1994

AT 150 PM CDT MERIDIAN WEATHER RADAR INDICATED AN INTENSE THUNDERSTORM 5
MILES NORTHEAST OF MERIDIAN MISSISSIPPI MOVING SLOWLY EAST AT 5 MPH.
INTENSE THUNDERSTORMS PRODUCE FREQUENT LIGHTNING...DAMAGING WINDS...AND
VERY HEAVY RAINFALL. LOCALIZED FLOODING IS POSSIBLE WITH THIS STORM.

ALSO...INTENSE THUNDERSTORMS MAY BECOME SEVERE WITH LITTLE ADVANCE
WARNING.

PERSONS IN THE PATH OF THIS STORM SHOULD SEEK SHELTER IMMEDIATELY AND
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS.

ELSEWHERE...A 5 MILE WIDE BAND OF VERY STRONG THUNDERSTORMS CONTINUES TO
DEVELOP JUST WEST OF A BRANDON...CARTHAGE MISSISSIPPI LINE.  MOVEMENT
WAS EAST AT 10 MPH.
Special weather statement, Sep 1, 1:58 PM CDT, 1 hour 49 minutes before
MSZ038-039-045-046-051-052-057-058-066-067-ALZ030-051-012100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
157 PM CDT THU SEP 1 1994

AT 150 PM CDT MERIDIAN WEATHER RADAR INDICATED AN INTENSE THUNDERSTORM 5
MILES NORTHEAST OF MERIDIAN MISSISSIPPI MOVING SLOWLY EAST AT 5 MPH.
INTENSE THUNDERSTORMS PRODUCE FREQUENT LIGHTNING...DAMAGING WINDS...AND
VERY HEAVY RAINFALL. LOCALIZED FLOODING IS POSSIBLE WITH THIS STORM.

ALSO...INTENSE THUNDERSTORMS MAY BECOME SEVERE WITH LITTLE ADVANCE
WARNING.

PERSONS IN THE PATH OF THIS STORM SHOULD SEEK SHELTER IMMEDIATELY AND
STAY TUNED TO NOAA WEATHER RADIO FOR FURTHER STATEMENTS.

ELSEWHERE...A 5 MILE WIDE BAND OF VERY STRONG THUNDERSTORMS CONTINUES TO
DEVELOP JUST WEST OF A BRANDON...CARTHAGE MISSISSIPPI LINE.  MOVEMENT
WAS EAST AT 10 MPH.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 1, 3:02 PM CDTTornado WarningJANChoctaw28 min
Sep 1, 3:24 PM CDTSevere Thunderstorm WarningJANLauderdale66 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1994Every severe thunderstorm warning in 1994

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.