Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 74, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 5, 1998, 10:07 PM CST for Claiborne County, Jefferson County, Mississippi. It was in force for 68 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 5, 1998, 10:07 PM CST (04:07 UTC)
- Expired
- Mar 5, 1998, 11:15 PM CST
- In force
- 68 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Claiborne County, MS, Jefferson County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 5, 10:40 PM CST | Hail 1.75 | Lorman, MS | |
| Mar 5, 11:10 PM CST | Hail 0.75 | Fayette, MS |
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, 4.1 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.
- Mixed-layer CAPE
- 776 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 661 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.0
The text
As transmitted, in the capitals the NWS used until 2016.
747 WUUS1 KJAN 060408 RRA SVRJAN MSC063-021-060515- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1007 PM CST THU MAR 5 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST MISSISSIPPI ...JEFFERSON COUNTY IN WEST CENTRAL MISSISSIPPI ...CLAIBORNE COUNTY AT 1007 PM DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 13 MILES WEST OF PORT GIBSON...MOVING SOUTHEAST AT 30 MPH. THIS STORM WILL MOVE ACROSS ALCORN STATE UNIVERSITY AND APPROACH LORMAN BY 1035 PM. 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. < 74
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, Mar 5, 7:13 PM CST, 2 hours 54 minutes before
ARZ074-075-060215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 713 PM CST THU MAR 5 1998 ...SEVERE THUNDERSTORM WATCH NO. 77 EXPIRED FOR ASHLEY AND CHICOT COUNTIES... ...SEVERE THUNDERSTORM WATCH NO. 78 IN EFFECT FOR NORTHEAST LOUISIANA UNTIL 10 PM... THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER FOR ASHLEY AND CHICOT COUNTIES HAS EXPIRED. SEVERE THUNDERSTORM WATCH NO. 78 REMAINS IN EFFECT FOR NORTHEAST LOUISIANA PARISHES THROUGH 10 PM.
Special weather statement, Mar 5, 7:13 PM CST, 2 hours 54 minutes before
ARZ074-075-060215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSON MS 713 PM CST THU MAR 5 1998 ...SEVERE THUNDERSTORM WATCH NO. 77 EXPIRED FOR ASHLEY AND CHICOT COUNTIES... ...SEVERE THUNDERSTORM WATCH NO. 78 IN EFFECT FOR NORTHEAST LOUISIANA UNTIL 10 PM... THE SEVERE THUNDERSTORM WATCH ISSUED EARLIER FOR ASHLEY AND CHICOT COUNTIES HAS EXPIRED. SEVERE THUNDERSTORM WATCH NO. 78 REMAINS IN EFFECT FOR NORTHEAST LOUISIANA PARISHES THROUGH 10 PM.
Local storm report, Mar 5, 7:47 PM CST, 2 hours 20 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
747 PM CST THU MAR 05 1998
TIME(CST) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....PARISH/COUNTY LOCATION....
0735 PM ELWOOD MS 1 INCH HAIL
03/05/98 CLARKE REPORTED BY CLARKE CO.
S.O.
0741 PM QUITMAN MS 1.75 INCH HAIL
03/05/98 CLARKE REPORTED BY CLARKE CO.
S.O.The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 6:43 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 47 min |
| Mar 5, 7:02 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 58 min |
| Mar 5, 10:04 PM CST | Severe Thunderstorm Warning | JAN | Grenada | 56 min |
| Mar 5, 11:13 PM CST | Severe Thunderstorm Warning | JAN | Jefferson | 47 min |
| Mar 6, 12:44 PM CST | Flash Flood Warning | JAN | Carroll | 2 hr |
| Mar 6, 1:08 PM CST | Severe Thunderstorm Warning | JAN | Grenada | 37 min |
| Mar 6, 5:49 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 26 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1998Every 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.