Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 491, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 25, 1997, 5:30 PM CDT for Webster County, Mississippi. It was in force for 30 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
- Oct 25, 1997, 5:30 PM CDT (22:30 UTC)
- Expired
- Oct 25, 1997, 6:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Webster County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 25, 5:45 PM CDT | Thunderstorm Wind | Montevista, MS | Several homes had structural damage from strong winds. |
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 |
|---|---|---|---|
| Oct 25, 3:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 10.5 hours before the alert went out and 148 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
- 452 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 524 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 185 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 252231 RRA SVRJAN MSC155-252300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 530 PM CDT SAT OCT 25 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL MISSISSIPPI ...WEBSTER COUNTY AT 529 PM CDT WEATHER RADAR INDICATED A SEVERE THUNDERSTORMS 6 MILES WEST OF BELLEFONTAINE MOVING NORTHEAST NEAR 30 MPH. THIS STORM WILL CROSS HIGHWAY 9 THROUGH 540 PM. 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. < 68
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 6:23 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 37 min |
| Oct 25, 6:39 AM CDT | Severe Thunderstorm Warning | JAN | Sunflower | 36 min |
| Oct 25, 7:00 AM CDT | Severe Thunderstorm Warning | JAN | Bolivar | 45 min |
| Oct 25, 7:56 AM CDT | Severe Thunderstorm Warning | JAN | Claiborne | 34 min |
| Oct 25, 8:10 AM CDT | Tornado Warning | JAN | Grenada | 35 min |
| Oct 25, 11:06 AM CDT | Severe Thunderstorm Warning | JAN | Issaquena | 39 min |
| Oct 25, 1:52 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 53 min |
| Oct 25, 2:08 PM CDT | Severe Thunderstorm Warning | JAN | Jones | 52 min |
| Oct 25, 2:40 PM CDT | Severe Thunderstorm Warning | JAN | Jasper | 35 min |
| Oct 25, 2:49 PM CDT | Severe Thunderstorm Warning | JAN | Lauderdale | 41 min |
| Oct 25, 3:18 PM CDT | Tornado Warning | JAN | Forrest | 42 min |
| Oct 25, 3:30 PM CDT | Severe Thunderstorm Warning | JAN | Clarke | 45 min |
| Oct 25, 5:43 PM CDT | Tornado Warning | JAN | Webster | 32 min |
| Oct 25, 6:30 PM CDT | Tornado Warning | JAN | Leflore, Sunflower | 30 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 1997Every severe thunderstorm warning in 1997
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.