Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 113, NWS Jackson, MS

March 7, 1998Claiborne County, Jefferson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 7, 1998, 12:40 PM CST for Claiborne County, Jefferson County, Mississippi. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 7, 1998, 12:40 PM CST (18:40 UTC)
Expired: Mar 7, 1998, 1:30 PM CST
In force: 50 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Claiborne County, MS, Jefferson County, MS

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Mar 7, 12:30 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.7 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2 J/kg
Mixed-layer CIN: -286 J/kg
Mixed-layer LCL: 599 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 114 m²/s²
0-3 km storm-relative helicity: 281 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.

328 
WUUS1 KJAN 071837 RRA
SVRJAN
MSC063-021-071930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1240 PM CST SAT MAR 7 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  130 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSISSIPPI
 
   ...JEFFERSON COUNTY
 
IN WEST CENTRAL MISSISSIPPI
 
   ...CLAIBORNE COUNTY
 
AT 1237 PM DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS MOVING
INTO WESTERN CLAIRBORNE AND WESTERN JEFFERSON COUNTIES. THIS LINE OF
STORMS WAS MOVING EAST AT 35 MPH.
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
<
 
75

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

Local storm report, Mar 7, 8:04 AM CST, 4 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
804 AM CST SAT MAR 07 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0455 AM    BROOKHAVEN                MS   .75 INCH HAIL
03/07/98   LINCOLN                        REPORTED IN
                                          DOWNTOWN BROOKHAVEN BY EOC

0501 AM    HATTIESBURG               MS   1 INCH HAIL
03/07/98   FORREST                        ONE INCH HAIL IN
                                          HATTIESBURG REPORTED BY
                                          EOC

0530 AM    PINOLA                    MS   1 INCH HAIL
03/07/98   SIMPSON                        ONE INCH HAIL IN PINOLA
                                          AND MENDENHALL REPORTED BY
                                          SO

0555 AM    PURVIS                    MS   1.75 INCH HAIL
03/07/98   LAMAR                          HAIL THROUGHOUT
                                          PURVIS

0740 AM    FITLER                    MS   .75 INCH HAIL
03/07/98   ISSAQUENA                      HAIL COVERS THE
                                          GROUND THROUGHOUT
                                          ISSAQUENA COUNTY REPORTED
                                          BY EOC

0605 AM    HARRISBURG                LA   1.75 INCH HAIL REPORTED
03/07/98   CATAHOULA                      AT MANIFEST AND AMWELL AND
                                          4 S OF HARRISBURG ON HWY 124

Local storm report, Mar 7, 8:04 AM CST, 4 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
804 AM CST SAT MAR 07 1998

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0455 AM    BROOKHAVEN                MS   .75 INCH HAIL
03/07/98   LINCOLN                        REPORTED IN
                                          DOWNTOWN BROOKHAVEN BY EOC

0501 AM    HATTIESBURG               MS   1 INCH HAIL
03/07/98   FORREST                        ONE INCH HAIL IN
                                          HATTIESBURG REPORTED BY
                                          EOC

0530 AM    PINOLA                    MS   1 INCH HAIL
03/07/98   SIMPSON                        ONE INCH HAIL IN PINOLA
                                          AND MENDENHALL REPORTED BY
                                          SO

0555 AM    PURVIS                    MS   1.75 INCH HAIL
03/07/98   LAMAR                          HAIL THROUGHOUT
                                          PURVIS

0740 AM    FITLER                    MS   .75 INCH HAIL
03/07/98   ISSAQUENA                      HAIL COVERS THE
                                          GROUND THROUGHOUT
                                          ISSAQUENA COUNTY REPORTED
                                          BY EOC

0605 AM    HARRISBURG                LA   1.75 INCH HAIL REPORTED
03/07/98   CATAHOULA                      AT MANIFEST AND AMWELL AND
                                          4 S OF HARRISBURG ON HWY 124

Special weather statement, Mar 7, 10:00 AM CST, 2 hours 40 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-080400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CST SAT MAR 7 1998

...AN OUTBREAK OF SEVERE THUNDERSTORMS POSSIBLE ACROSS THE AREA TODAY AND
   TONIGHT...

STRONG TO SEVERE THUNDERSTORMS HAVE ALREADY OCCURRED THIS MORNING.
SOUTHERLY FLOW WAS TRANSPORTING WARM...MOIST AND UNSTABLE AIR ACROSS THE
AREA. A STRONG UPPER LEVEL DISTURBANCE OVER SOUTHEAST TEXAS WILL MOVE
NORTHEAST OVER THE AREA THIS AFTERNOON AND TONIGHT. THUNDERSTORM COVERAGE
WILL INCREASE AS THE AIRMASS BECOMES EVEN MORE UNSTABLE THIS AFTERNOON.
ALSO...THE VERTICAL WIND PROFILE...INCLUDING VERY STRONG JET STREAM WINDS
WILL BE FAVORABLE FOR SEVERE THUNDERSTORMS.

THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS.
HOWEVER...A FEW TORNADOES ARE POSSIBLE DUE TO THE FAVORABLE VERTICAL WIND
PROFILE. THIS IS A POTENTIALLY DANGEROUS SITUATION...SO THE WEATHER NEEDS
TO BE CLOSELY MONITORED TODAY AND TONIGHT.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND PUBLIC SAFETY
OFFICIALS WILL BE REQUIRED THROUGH TONIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEB SITE AT:
HTTP//WWW.JANNWS.STATE.MS.US  (IN SMALL CASE LETTERS)

Special weather statement, Mar 7, 10:00 AM CST, 2 hours 40 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-080400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1000 AM CST SAT MAR 7 1998

...AN OUTBREAK OF SEVERE THUNDERSTORMS POSSIBLE ACROSS THE AREA TODAY AND
   TONIGHT...

STRONG TO SEVERE THUNDERSTORMS HAVE ALREADY OCCURRED THIS MORNING.
SOUTHERLY FLOW WAS TRANSPORTING WARM...MOIST AND UNSTABLE AIR ACROSS THE
AREA. A STRONG UPPER LEVEL DISTURBANCE OVER SOUTHEAST TEXAS WILL MOVE
NORTHEAST OVER THE AREA THIS AFTERNOON AND TONIGHT. THUNDERSTORM COVERAGE
WILL INCREASE AS THE AIRMASS BECOMES EVEN MORE UNSTABLE THIS AFTERNOON.
ALSO...THE VERTICAL WIND PROFILE...INCLUDING VERY STRONG JET STREAM WINDS
WILL BE FAVORABLE FOR SEVERE THUNDERSTORMS.

THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND DAMAGING WINDS.
HOWEVER...A FEW TORNADOES ARE POSSIBLE DUE TO THE FAVORABLE VERTICAL WIND
PROFILE. THIS IS A POTENTIALLY DANGEROUS SITUATION...SO THE WEATHER NEEDS
TO BE CLOSELY MONITORED TODAY AND TONIGHT.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND PUBLIC SAFETY
OFFICIALS WILL BE REQUIRED THROUGH TONIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEB SITE AT:
HTTP//WWW.JANNWS.STATE.MS.US  (IN SMALL CASE LETTERS)

Special weather statement, Mar 7, 11:10 AM CST, 1 hour 30 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-080400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1110 AM CST SAT MAR 7 1998

...SEVERE THUNDERSTORM WATCH 84 HAS EXPIRED...
...ADDITIONAL WEATHER WATCHES LIKELY LATER TODAY...

A LARGE AREA OF RAIN AND A FEW THUNDERSTORMS CONTINUED MOVING TOWARD
THE NORTHEAST ACROSS MISSISSIPPI...NORTHEAST LOUISIANA AND SOUTHEAST
ARKANSAS.  MOST OF THE THUNDERSTORMS HAVE TENDED TO WEAKEN SLIGHTLY
LATE THIS MORNING AND THE SEVERE THUNDERSTORM WATCH HAS BEEN ALLOWED TO
EXPIRE FOR NOW.  AS THE AIRMASS BECOMES EVEN MORE UNSTABLE LATER TODAY...
ADDITIONAL SEVERE WEATHER WATCHES ARE EXPECTED. A STRONG JET STREAM
COMBINING WITH MOIST UNSTABLE AIR WILL FUEL THE REDEVELOPMENT OF
STRONG TO SEVERE THUNDERSTORMS FROM MID AFTERNOON THROUGH TONIGHT.

THE MAIN THREAT FROM THE LATER STORMS WILL BE DAMAGING WINDS AND LARGE
HAIL HOWEVER...A FEW TORNADOES ARE ALSO POSSIBLE.

RESIDENTS IN THE ARKLAMS REGION SHOULD STAY TUNED FOR LATER STATEMENTS
...WATCHES AND WARNINGS AS THIS IS POTENTIALLY A VERY DANGEROUS SYSTEM.
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND PUBLIC SAFETY
OFFICIALS WILL AGAIN BE REQUIRED THROUGH TONIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEB SITE AT:
HTTP//WWW.JANNWS.STATE.MS.US  (IN SMALL CASE LETTERS)

Special weather statement, Mar 7, 11:10 AM CST, 1 hour 30 minutes before

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>029-032>066-072>
074-080400-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1110 AM CST SAT MAR 7 1998

...SEVERE THUNDERSTORM WATCH 84 HAS EXPIRED...
...ADDITIONAL WEATHER WATCHES LIKELY LATER TODAY...

A LARGE AREA OF RAIN AND A FEW THUNDERSTORMS CONTINUED MOVING TOWARD
THE NORTHEAST ACROSS MISSISSIPPI...NORTHEAST LOUISIANA AND SOUTHEAST
ARKANSAS.  MOST OF THE THUNDERSTORMS HAVE TENDED TO WEAKEN SLIGHTLY
LATE THIS MORNING AND THE SEVERE THUNDERSTORM WATCH HAS BEEN ALLOWED TO
EXPIRE FOR NOW.  AS THE AIRMASS BECOMES EVEN MORE UNSTABLE LATER TODAY...
ADDITIONAL SEVERE WEATHER WATCHES ARE EXPECTED. A STRONG JET STREAM
COMBINING WITH MOIST UNSTABLE AIR WILL FUEL THE REDEVELOPMENT OF
STRONG TO SEVERE THUNDERSTORMS FROM MID AFTERNOON THROUGH TONIGHT.

THE MAIN THREAT FROM THE LATER STORMS WILL BE DAMAGING WINDS AND LARGE
HAIL HOWEVER...A FEW TORNADOES ARE ALSO POSSIBLE.

RESIDENTS IN THE ARKLAMS REGION SHOULD STAY TUNED FOR LATER STATEMENTS
...WATCHES AND WARNINGS AS THIS IS POTENTIALLY A VERY DANGEROUS SYSTEM.
ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS AND PUBLIC SAFETY
OFFICIALS WILL AGAIN BE REQUIRED THROUGH TONIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEB SITE AT:
HTTP//WWW.JANNWS.STATE.MS.US  (IN SMALL CASE LETTERS)

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 6, 10:30 PM CST	Severe Thunderstorm Warning	JAN	Neshoba	45 min
Mar 6, 10:39 PM CST	Severe Thunderstorm Warning	JAN	Winston	51 min
Mar 6, 11:20 PM CST	Severe Thunderstorm Warning	JAN	Oktibbeha	55 min
Mar 7, 12:25 AM CST	Severe Thunderstorm Warning	JAN	Warren	50 min
Mar 7, 2:00 AM CST	Severe Thunderstorm Warning	JAN	Leflore	45 min
Mar 7, 3:09 AM CST	Severe Thunderstorm Warning	JAN	Copiah	51 min
Mar 7, 3:52 AM CST	Severe Thunderstorm Warning	JAN	Simpson	53 min
Mar 7, 4:10 AM CST	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	50 min
Mar 7, 4:25 AM CST	Severe Thunderstorm Warning	JAN	Smith	50 min
Mar 7, 4:35 AM CST	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	40 min
Mar 7, 4:40 AM CST	Severe Thunderstorm Warning	JAN	Lamar	50 min
Mar 7, 4:51 AM CST	Severe Thunderstorm Warning	JAN	Forrest	54 min
Mar 7, 5:01 AM CST	Severe Thunderstorm Warning	JAN	Lawrence, Simpson	44 min
Mar 7, 5:20 AM CST	Severe Thunderstorm Warning	JAN	Franklin	40 min
Mar 7, 5:28 AM CST	Severe Thunderstorm Warning	JAN	Simpson	47 min
Mar 7, 5:51 AM CST	Severe Thunderstorm Warning	JAN	Lincoln	54 min
Mar 7, 6:11 AM CST	Severe Thunderstorm Warning	JAN	Hinds	49 min
Mar 7, 6:28 AM CST	Severe Thunderstorm Warning	JAN	Warren	47 min
Mar 7, 6:43 AM CST	Severe Thunderstorm Warning	JAN	Madison, Rankin	47 min
Mar 7, 7:02 AM CST	Severe Thunderstorm Warning	JAN	Yazoo	43 min
Mar 7, 7:23 AM CST	Severe Thunderstorm Warning	JAN	Issaquena	52 min
Mar 7, 7:51 AM CST	Severe Thunderstorm Warning	JAN	Sharkey	24 min
Mar 7, 10:43 AM CST	Severe Thunderstorm Warning	JAN	Adams	47 min
Mar 7, 11:20 AM CST	Severe Thunderstorm Warning	JAN	Franklin	25 min
Mar 7, 12:35 PM CST	Severe Thunderstorm Warning	JAN	Lincoln	40 min
Mar 7, 12:49 PM CST	Tornado Warning	JAN	Jefferson	41 min
Mar 7, 1:04 PM CST	Severe Thunderstorm Warning	JAN	Franklin	26 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1998 Every severe thunderstorm warning in 1998

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.