Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 496, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 25, 1997, 10:02 PM CDT for Washington County, Mississippi. It was in force for 58 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, 10:02 PM CDT (03:02 UTC)
- Expired
- Oct 25, 1997, 11:00 PM CDT
- In force
- 58 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Washington County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 25, 10:30 PM CDT | Thunderstorm Wind | Greenville, MS | Several trees and power lines 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 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, 9:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 3.0 hours before the alert went out and 134 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 260304 RRA SVRJAN MSC151-260400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1002 PM CDT (902 PM CST) SAT OCT 25 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CDT (1000 PM CST) FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWEST MISSISSIPPI ...WASHINGTON COUNTY AT 1001 PM WEATHER SERVICE RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS OVER EASTERN CHICOT COUNTY WILL MOVE ACROSS THE MISSISSIPPI RIVER BY 1015 PM...THEN MOVING THROUGH THE GREENVILLE AND WAYSIDE AREAS BY 1025 PM. LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE WITH THESE STORMS. 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, 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, 11:55 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis | 50 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.