Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 509, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 31, 1997, 11:14 PM CST for Madison County, Mississippi. It was in force for 31 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 31, 1997, 11:14 PM CST (05:14 UTC)
- Expired
- Oct 31, 1997, 11:45 PM CST
- In force
- 31 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Madison County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 31, 11:25 PM CST | Hail 0.75 | Canton, MS |
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, 5.2 hours before the alert went out and 35 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
- 1147 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 174 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 010516 RRA SVRJAN MSC089-010545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1114 PM CST FRI OCT 31 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MISSISSIPPI ...MADISON COUNTY AT 1112 PM CST JACKSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES SOUTHWEST OF CANTON MOVING EAST AT 15 MPH. THIS SEVERE THUNDERSTORM WILL AFFECT CANTON BY 1125 PM CST. GOLF BALL SIZE HAIL IS THE PRIMARY SEVERE WEATHER THREAT WITH THIS STORM. SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. <
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 1, 2:00 AM CST | Severe Thunderstorm Warning | JAN | Noxubee | 45 min |
| Nov 1, 9:05 AM CST | Severe Thunderstorm Warning | JAN | Yazoo | 40 min |
| Nov 1, 9:25 AM CST | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 50 min |
| Nov 1, 9:37 AM CST | Severe Thunderstorm Warning | JAN | Madison | 53 min |
| Nov 1, 9:46 AM CST | Severe Thunderstorm Warning | JAN | Yazoo | 44 min |
| Nov 1, 9:50 AM CST | Severe Thunderstorm Warning | JAN | Holmes | 55 min |
| Nov 1, 10:05 AM CST | Severe Thunderstorm Warning | JAN | Issaquena | 40 min |
| Nov 1, 10:15 AM CST | Severe Thunderstorm Warning | JAN | Sharkey | 30 min |
| Nov 1, 10:22 AM CST | Severe Thunderstorm Warning | JAN | Leake | 53 min |
| Nov 1, 10:30 AM CST | Severe Thunderstorm Warning | JAN | Madison | 45 min |
| Nov 1, 10:31 AM CST | Severe Thunderstorm Warning | JAN | Yazoo | 44 min |
| Nov 1, 10:54 AM CST | Severe Thunderstorm Warning | JAN | Neshoba, Newton | 66 min |
| Nov 1, 11:01 AM CST | Severe Thunderstorm Warning | JAN | Hinds | 59 min |
| Nov 1, 11:09 AM CST | Severe Thunderstorm Warning | JAN | Attala | 51 min |
| Nov 1, 11:13 AM CST | Severe Thunderstorm Warning | JAN | Leake | 47 min |
| Nov 1, 11:20 AM CST | Severe Thunderstorm Warning | JAN | Rankin | 55 min |
| Nov 1, 11:33 AM CST | Severe Thunderstorm Warning | JAN | Madison | 42 min |
| Nov 1, 11:38 AM CST | Severe Thunderstorm Warning | JAN | Scott | 52 min |
| Nov 1, 11:45 AM CST | Severe Thunderstorm Warning | JAN | Kemper | 45 min |
| Nov 1, 11:57 AM CST | Severe Thunderstorm Warning | JAN | Newton | 63 min |
| Nov 1, 12:08 PM CST | Severe Thunderstorm Warning | JAN | Rankin | 52 min |
| Nov 1, 12:13 PM CST | Severe Thunderstorm Warning | JAN | Simpson, Smith | 62 min |
| Nov 1, 12:28 PM CST | Severe Thunderstorm Warning | JAN | Kemper | 32 min |
| Nov 1, 12:32 PM CST | Severe Thunderstorm Warning | JAN | Simpson | 58 min |
| Nov 1, 12:39 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 51 min |
| Nov 1, 12:54 PM CST | Severe Thunderstorm Warning | JAN | Jasper | 51 min |
| Nov 1, 1:06 PM CST | Severe Thunderstorm Warning | JAN | Covington | 69 min |
| Nov 1, 1:28 PM CST | Severe Thunderstorm Warning | JAN | Clarke | 62 min |
| Nov 1, 1:28 PM CST | Severe Thunderstorm Warning | JAN | Jones | 62 min |
| Nov 1, 1:45 PM CST | Tornado Warning | JAN | Clarke | 45 min |
| Nov 1, 1:57 PM CST | Severe Thunderstorm Warning | JAN | Forrest, Lamar | 48 min |
| Nov 1, 2:17 PM CST | Severe Thunderstorm Warning | JAN | Marion | 43 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.