Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 520, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Nov 1, 1997, 10:31 AM CST for Yazoo County, Mississippi. It was in force for 44 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
- Nov 1, 1997, 10:31 AM CST (16:31 UTC)
- Expired
- Nov 1, 1997, 11:15 AM CST
- In force
- 44 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Yazoo County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 1, 10:45 AM CST | Hail 1.75 | Dover, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 1, 10:30 AM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 4.5 hours before the alert went out and 59 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
- 1991 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 011632 RRA SVRJAN MSC163-011715- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1031 AM CST SAT NOV 1 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 AM CST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL MISSISSIPPI ...YAZOO COUNTY AT 1031 AM WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM ABOUT 3 MILES SOUTH OF YAZOO CITY...MOVING EAST AT 35 MPH. THIS STORM WILL MOVE THROUGH THE BENTON AREA BY 1040 AM...AND WILL APPROACH VAUGHAN BY 1100 AM. OTHER STRONG THUNDERSTORMS OVER YAZOO COUNTY MAY ALSO BECOME SEVERE...WITH LARGE HAIL THE PRIMARY THREAT. PEOPLE NEAR THE STORM SHOULD MOVE INSIDE A STRONG BUILDING AWAY FROM WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNTIL THE STORM HAS PASSED. MOTORISTS DON'T DRIVE INTO WATER CROSSINGS. < 74
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 31, 11:14 PM CST | Severe Thunderstorm Warning | JAN | Madison | 31 min |
| 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, 10:54 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.