Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 21, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jan 23, 1997, 9:00 PM CST for Jackson Parish, Louisiana. It was in force for 60 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
- Jan 23, 1997, 9:00 PM CST (03:00 UTC)
- Expired
- Jan 23, 1997, 10:00 PM CST
- In force
- 60 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Jackson Parish, LA
The radar
The Shreveport radar (KSHV), 122 km from the middle of the area, began a volume at 03:04 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jan 23, 9:12 PM CST | Thunderstorm Wind 65 | Quitman, 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 |
|---|---|---|---|
| Jan 23, 7:15 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 3.0 hours before the alert went out and 114 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 496 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 307 m²/s²
- 0-3 km storm-relative helicity
- 470 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 240300 RRA SVRSHV LAC049-240400- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 900 PM CST THU JAN 23 1997 THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM CST FOR THE FOLLOWING AREA... IN NORTHWEST LOUISIANA ...JACKSON PARISH AT 858 PM SHREVEPORT DOPPLER WEATHER RADAR INDICATES A SHORT LINE OF SEVERE THUNDERSTORMS FROM JUST WEST OF ANSLEY TO 8 MILES SOUTHWEST OF JONESBORO. THIS LINE OF THUNDERSTORMS IS MOVING TO THE EAST AT 45 MPH AND WILL MOVE THROUGH JACKSON PARISH BETWEEN 900 AND 1000 PM. THIS LINE OF THUNDERSTORMS IS CAPABLE OF PRODUCING WINDS IN EXCESS OF 60 MPH. IF YOU ARE IN THE PATH OF THIS STORM...TAKE IMMEDIATE STEPS TO PROTECT YOURSELF AND YOUR PROPERTY...SUCH AS YOUR CAR...BOAT...AND PETS...FROM LARGE HAIL AND DAMAGING WIND. 01/18
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 23, 6:38 PM CST | Tornado Warning | SHV | De Soto, Sabine | 37 min |
| Jan 23, 7:14 PM CST | Tornado Warning | SHV | De Soto, Red River | 46 min |
| Jan 23, 7:28 PM CST | Severe Thunderstorm Warning | SHV | De Soto | 32 min |
| Jan 23, 7:57 PM CST | Severe Thunderstorm Warning | SHV | De Soto | 48 min |
| Jan 23, 8:09 PM CST | Severe Thunderstorm Warning | SHV | Red River | 51 min |
| Jan 23, 8:20 PM CST | Severe Thunderstorm Warning | SHV | Bienville | 40 min |
| Jan 23, 9:30 PM CST | Severe Thunderstorm Warning | SHV | Ouachita | 30 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; radar from the NEXRAD Level II archive.