Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 99, NWS Jackson, MS
NWS Jackson, MS issued this severe thunderstorm warning at Feb 26, 1997, 8:45 PM CST for East Carroll Parish, Madison Parish, West Carroll Parish, Louisiana. It was in force for 30 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
- Feb 26, 1997, 8:45 PM CST (02:45 UTC)
- Expired
- Feb 26, 1997, 9:15 PM CST
- In force
- 30 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties East Carroll Parish, LA, Madison Parish, LA, West Carroll Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 26, 9:00 PM CST | Hail 0.75 | Shelburn, LA |
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 |
|---|---|---|---|
| Feb 26, 8:00 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 2.8 hours before the alert went out and 121 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
- 67 J/kg
- Mixed-layer CIN
- -148 J/kg
- Mixed-layer LCL
- 1032 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 307 m²/s²
- 0-3 km storm-relative helicity
- 482 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KJAN 270246 RRA SVRJAN LAC065-123-270315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE JACKSON MS 845 PM CST WED FEB 26 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST LOUISIANA ...MADISON PARISH...WEST CARROLL PARISH AT 844 PM DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM HIGHLAND TO JUST WEST OF TALLULAH. THE LINE WAS MOVING NORTHEAST AT 50 MPH...AND WILL PASS THROUGH MOUND...TALLULAH...AND TRANSYLVANIA BY 9 PM. 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. < 74
1 follow-up statement
335 WUUS1 KJAN 270250 RRB SVRJAN LAC065-035-270315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTED FOR EAST CARROLL INSTEAD OF WEST NATIONAL WEATHER SERVICE JACKSON MS 845 PM CST WED FEB 26 1997 THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTHEAST LOUISIANA ...MADISON PARISH...EAST CARROLL PARISH AT 844 PM DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS EXTENDING FROM HIGHLAND TO JUST WEST OF TALLULAH. THE LINE WAS MOVING NORTHEAST AT 50 MPH...AND WILL PASS THROUGH MOUND...TALLULAH...AND TRANSYLVANIA BY 9 PM. 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. < 74
The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 6:37 PM CST | Severe Thunderstorm Warning | JAN | Morehouse | 38 min |
| Feb 26, 7:29 PM CST | Severe Thunderstorm Warning | JAN | Richland | 46 min |
| Feb 26, 8:30 PM CST | Severe Thunderstorm Warning | JAN | Tensas | 45 min |
| Feb 26, 8:50 PM CST | Severe Thunderstorm Warning | JAN | Catahoula | 25 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 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.