Alert archive / Mississippi / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 412, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Jun 20, 1998, 9:28 PM CDT for Jasper County, Mississippi. It was in force for 32 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
- Jun 20, 1998, 9:28 PM CDT (02:28 UTC)
- Expired
- Jun 20, 1998, 10:00 PM CDT
- In force
- 32 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Jasper County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 20, 9:35 PM CDT | Hail 2.5 | Bay Spgs, MS | Many roofs and cars 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, 2.5 hours before the alert went out and 96 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
- 3509 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1658 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 210228 RRA SVRJAN MSC061-210300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 928 PM CDT SAT JUN 20 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WESTERN JASPER COUNTY IN EAST CENTRAL MISSISSIPPI * UNTIL 1000 PM CDT * AT 926 PM CDT... RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES SOUTHEAST OF BAY SPRINGS MOVING NORTH AT 5 MPH. * THE FOLLOWING FLOCATIONS ARE IN THE PATH OF THIS STORM... BAY SPRINGS 940 PM CDT LOUIN 1000 PM CDT DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! 76
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:24 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 31 min |
| Jun 20, 7:34 PM CDT | Severe Thunderstorm Warning | JAN | Simpson | 36 min |
| Jun 20, 7:59 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 16 min |
| Jun 20, 8:08 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis | 32 min |
| Jun 20, 8:53 PM CDT | Severe Thunderstorm Warning | JAN | Smith | 37 min |
| Jun 20, 8:53 PM CDT | Severe Thunderstorm Warning | JAN | Smith | 32 min |
| Jun 20, 9:09 PM CDT | Severe Thunderstorm Warning | JAN | Covington | 36 min |
| Jun 20, 9:49 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 36 min |
| Jun 20, 10:01 PM CDT | Severe Thunderstorm Warning | JAN | Rankin | 34 min |
| Jun 20, 10:29 PM CDT | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 31 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.