Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 500, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 25, 1997, 11:55 PM CDT for Jefferson Davis County, Mississippi. It was in force for 50 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, 11:55 PM CDT (04:55 UTC)
- Expired
- Oct 26, 1997, 12:45 AM CDT
- In force
- 50 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Jefferson Davis County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 26, 12:18 AM CDT | Thunderstorm Wind | Prentiss, MS | Several trees were blown down. |
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, 4.9 hours before the alert went out and 87 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
- 3555 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 525 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 300 m²/s²
- Significant tornado parameter
- 5.1
- Supercell composite
- 24.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 260456 RRA SVRJAN MSC065-260545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1155 PM CDT (1054 PM CST) SAT OCT 25 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM CDT (1145 PM CST) FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL MISSISSIPPI ...JEFFERSON DAVIS COUNTY AT 1154 PM WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM JUST ENTERING SOUTHWESTERN JEFFERSON DAVIS COUNTY... MOVING NORTHEAST AT 30 MPH. THIS STORM WILL MOVE AFFECT THE AREA BETWEEN PRENTISS AND BASSFIELD THROUGH 1230 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. < 68
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 10:02 PM CDT | Severe Thunderstorm Warning | JAN | Washington | 58 min |
| Oct 25, 11:08 PM CDT | Severe Thunderstorm Warning | JAN | Adams | 52 min |
| Oct 25, 11:24 PM CDT | Severe Thunderstorm Warning | JAN | Carroll, Leflore | 66 min |
| Oct 25, 11:32 PM CDT | Severe Thunderstorm Warning | JAN | Lawrence | 28 min |
| Oct 25, 11:58 PM CDT | Severe Thunderstorm Warning | JAN | Copiah | 47 min |
| Oct 26, 12:17 AM CDT | Severe Thunderstorm Warning | JAN | Hinds | 43 min |
| Oct 26, 12:21 AM CDT | Severe Thunderstorm Warning | JAN | Leake | 54 min |
| Oct 26, 12:39 AM CDT | Severe Thunderstorm Warning | JAN | Rankin | 66 min |
| Oct 26, 1:18 AM CDT | Severe Thunderstorm Warning | JAN | Jasper | 42 min |
| Oct 26, 1:22 AM CDT | Severe Thunderstorm Warning | JAN | Scott, Smith | 68 min |
| Oct 26, 1:54 AM CDT | Severe Thunderstorm Warning | JAN | Newton | 51 min |
| Oct 26, 2:29 AM CST | Severe Thunderstorm Warning | JAN | Jasper, Smith | 46 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.