Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 98, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Mar 7, 1998, 6:28 AM CST for Warren County, Mississippi. It was in force for 47 min. 1 report 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, 6:28 AM CST (12:28 UTC)
- Expired
- Mar 7, 1998, 7:15 AM CST
- In force
- 47 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Warren County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 7, 6:50 AM CST | Hail 0.75 | Vicksburg, 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 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, 6:00 AM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 0.5 hours before the alert went out and 73 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
215 WUUS1 KJAN 071229 RRA SVRJAN MSC149-071315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 628 AM CST SAT MAR 7 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN WEST CENTRAL MISSISSIPPI ...WARREN COUNTY AT 628 AM RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES SOUTHWEST OF VICKSBURG MOVING TO THE NORTHEAST 40 TO 45 MPH. THIS STORM WILL MOVE THROUGH THE VICKSBURG AREA SHORTLY AND WILL MOVE INTO THE AREA EAST OF REDWOOOD AROUND 7 AM. A TORNADO WATCH IS ALSO IN EFFECT. REMEMBER SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. < 71
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, 6:43 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, 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.