Alert archive / Louisiana / Tornado Warnings in 1997

Tornado Warning 1, NWS Shreveport, LA

January 23, 1997De Soto Parish, Sabine Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Jan 23, 1997, 6:38 PM CST for De Soto Parish, Sabine Parish, Louisiana. It was in force for 37 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, 6:38 PM CST (00:38 UTC)
Expired: Jan 23, 1997, 7:15 PM CST
In force: 37 min
Issued by: NWS Shreveport, LA
Area: Whole counties

Counties De Soto Parish, LA, Sabine Parish, LA

The radar

The Shreveport radar (KSHV), 74 km from the middle of the area, began a volume at 00:39 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, 7:15 PM CST	Tornado F2	Rambin, 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, 4:45 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.6 hours before the alert went out and 75 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

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

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSHV 240038 RRA
TORSHV
LAC031-085-240115-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
638 PM CST THU JAN 23 1997
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  715 PM CST
FOR THE FOLLOWING AREAS...
 
IN NORTHWEST LOUISIANA
 
   ...SOUTHERN DE SOTO PARISH...NORTHERN SABINE PARISH
 
AT 637 PM CST..DOPPLER RADAR IN SHREVEPORT DETECTED A DEVELOPING TORNADO
7 MILES WEST SOUTHWEST OF CONVERSE. THE STORM WAS MOVING TO THE EAST
NORTHEAST AT 40 MPH. CONVERSE IS IN THE PATH OF THIS STORM.
 
IF YOU ARE IN THE PATH OF THIS TORNADO...GO TO AN INTERIOR HALLWAY
...CLOSET...OR BATHROOM ON THE LOWEST FLOOR. AVOID WINDOWS.
 
IF YOU ARE IN A MOBILE HOME...GO TO A STORM SHELTER IF AVAILABLE.
IF A STORM SHELTER IS NOT AVAILABLE...SEEK SHELTER IN A DITCH OR LOW
SPOT.
 
5/18

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
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, 9:00 PM CST	Severe Thunderstorm Warning	SHV	Jackson	60 min
Jan 23, 9:30 PM CST	Severe Thunderstorm Warning	SHV	Ouachita	30 min

Nearby

Tornado Warnings in Louisiana, 1997 Every tornado warning in 1997 Tornadoes 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.