Alert archive / Mississippi / Tornado Warnings in 1998
Tornado Warning 34, NWS Jackson, MS
NWS Jackson, MS issued this tornado warning at Apr 17, 1998, 6:13 PM CDT for Lamar 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
- Apr 17, 1998, 6:13 PM CDT (23:13 UTC)
- Expired
- Apr 17, 1998, 7:00 PM CDT
- In force
- 47 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Lamar County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 17, 6:35 PM CDT | Hail 2.5 | Purvis, MS | 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 17, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.2 hours before the alert went out and 108 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
- 1365 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 45 m²/s²
- 0-3 km storm-relative helicity
- 26 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 172313 RRA TORJAN MSC073-180000- BULLETIN- EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSON MS 613 PM CDT FRI APR 17 1998 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A * TORNADO WARNING FOR... LAMAR COUNTY IN SOUTHEASTERN MISSISSIPPI * UNTIL 700 PM CDT * AT 609 PM CDT...A TORNADO 3 MILES WEST OF BAXTERVILLE ...INDICATED BY JACKSON WEATHER SERVICE DOPPLER RADAR... MOVING EAST 50 MPH. * SOME LOCATIONS IN THE PATH OF THIS DANGEROUS TORNADO INCLUDE... BAXTERVILLE BY 615 PM CDT LUMBERTON BY 620 PM CDT PURVIS BY 625 PM CDT IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR ROOM AWAY FROM WINDOWS. 75
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 4:38 PM CDT | Severe Thunderstorm Warning | JAN | Forrest | 32 min |
| Apr 17, 4:51 PM CDT | Severe Thunderstorm Warning | JAN | Lamar | 34 min |
| Apr 17, 5:08 PM CDT | Severe Thunderstorm Warning | JAN | Forrest | 32 min |
| Apr 17, 5:21 PM CDT | Tornado Warning | JAN | Forrest | 49 min |
| Apr 17, 5:29 PM CDT | Severe Thunderstorm Warning | JAN | Lamar | 46 min |
| Apr 17, 5:53 PM CDT | Tornado Warning | JAN | Marion | 47 min |
| Apr 17, 6:30 PM CDT | Tornado Warning | JAN | Forrest | 45 min |
| Apr 17, 6:59 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 51 min |
Nearby
Tornado Warnings in Mississippi, 1998Every tornado warning in 1998Tornadoes 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.