Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 89, NWS Jackson, MS

March 7, 1998Franklin County, Lincoln County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 7, 1998, 4:35 AM CST for Franklin County, Lincoln County, Mississippi. It was in force for 40 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Mar 7, 1998, 4:35 AM CST (10:35 UTC)
Expired: Mar 7, 1998, 5:15 AM CST
In force: 40 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Franklin County, MS, Lincoln County, MS

What was reported inside it

Time	Report	Where	Remark
Mar 7, 4:55 AM CST	Hail 0.75	Brookhaven, MS
Mar 7, 4:55 AM CST	Hail 1.75	Brookhaven, MS	Many automobiles and roofs were damaged.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 10.6 hours before the alert went out and 107 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: 401 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 590 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

498 
WUUS1 KJAN 071034 RRA
SVRJAN
MSC037-085-071115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
435 AM CST SAT MAR 7 1998
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN SOUTHWEST MISSISSIPPI
 
   ...EASTERN FRANKLIN COUNTY...LINCOLN COUNTY
 
AT 433 AM...THE NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM OVER EASTERN FRANKLIN COUNTY IN MISSISSIPPI. THE STORM WAS
LOCATED JUST SOUTH OF LUCIEN AND MOVING NORTHEAST NEAR 45 MPH. ON THIS
PATH THE STORM WILL MOVE THROUGH THE BROOKHAVEN AREA BY 450 AM.
 
IF YOU ARE OUTSIDE...SEEK SHELTER IN A STRONG BUILDING AWAY FROM
WINDOWS.  DAMAGING WINDS...LARGE HAIL...VERY HEAVY RAIN...AND
DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
<
 
66

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, 12:26 AM CST, 4 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1226 AM CST SAT MAR 07 1998

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

1050 PM    6 SW NOXAPATER            MS   .75 INCH HAIL
03/06/98   WINSTON                        REPORTED BY WINSTON S. O.

1152 PM    4 E STARKVILLE            MS   1 INCH HAIL
03/06/98   OKTIBBEHA                      REPORTED BY OKTIBBEHA S. O.

Local storm report, Mar 7, 12:26 AM CST, 4 hours 9 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1226 AM CST SAT MAR 07 1998

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

1050 PM    6 SW NOXAPATER            MS   .75 INCH HAIL
03/06/98   WINSTON                        REPORTED BY WINSTON S. O.

1152 PM    4 E STARKVILLE            MS   1 INCH HAIL
03/06/98   OKTIBBEHA                      REPORTED BY OKTIBBEHA S. O.

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, 4:40 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, 12:40 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Jefferson	50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.