Alert archive / Mississippi / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 501, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Oct 25, 1997, 11:58 PM CDT for Copiah County, Mississippi. It was in force for 47 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, 11:58 PM CDT (04:58 UTC)
- Expired
- Oct 26, 1997, 12:45 AM CDT
- In force
- 47 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
County Copiah County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 26, 12:40 AM CDT | Thunderstorm Wind | Gatesville, 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 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, 5.0 hours before the alert went out and 61 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 260459 RRA SVRJAN MSC029-260545- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 1158 PM CDT (1057 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 CENTRAL MISSISSIPPI ...COPIAH COUNTY AT 1157 PM WEATHER SERVICE RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM 3 MILES SOUTH OF CARPENTER...OR ABOUT 10 MILES WEST OF CRYSTAL SPRINGS...MOVING EAST NORTHEAST AT 30 MPH. IT WILL PASS NEAR OR JUST NORTH OF CRYSTAL SPRINGS THROUGH 1215 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, 11:55 PM CDT | Severe Thunderstorm Warning | JAN | Jefferson Davis | 50 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.