Alert archive / Louisiana / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 19, NWS Jackson, MS

January 23, 1997East Carroll Parish, West Carroll Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Jan 23, 1997, 10:26 PM CST for East Carroll Parish, West Carroll Parish, Louisiana. It was in force for 49 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, 10:26 PM CST (04:26 UTC)
Expired: Jan 23, 1997, 11:15 PM CST
In force: 49 min
Issued by: NWS Jackson, MS
Area: Whole counties

Counties East Carroll Parish, LA, West Carroll Parish, LA

What was reported inside it

Time	Report	Where	Remark
Jan 23, 10:40 PM CST	Hail 1	Sondheimer, 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

Jackson, MS (KJAN), launched 00:00Z, 4.4 hours before the alert went out and 128 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: 249 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 485 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 249 m²/s²
0-3 km storm-relative helicity: 316 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 240429 RRA
SVRJAN
LAC035-123-240515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1026 PM CST THU JAN 23 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHEAST LOUISIANA
 
   ...EAST CARROLL PARISH...SOUTHERN WEST CARROLL PARISH
 
AT 1025 PM CST DOPPLER RADAR IN JACKSON INDICATED A SEVERE THUNDERSTORM
BETWEEN WARDEN AND HOLLY RIDGE MOVING EAST NORTHEAST NEAR 50 MPH. THIS
STORM WILL BE MOVING INTO SOUTHERN WEST CARROLL PARISH BY 1040 PM AND
INTO EAST CARROLL PARISH BY 1050 PM. THIS STORM WILL AFFECT THE TOWNS OF
DARNELL AND EPPS BY 1045 PM. DAMAGING WINDS AND LARGE HAIL ARE LIKELY
WITH THIS STORM.
 
SEVERE THUNDERSTORMS PRODUCE WIND IN EXCESS OF 55 MPH...LARGE
HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINnESS.
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The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 23, 9:51 PM CST	Severe Thunderstorm Warning	JAN	Richland, West Carroll	54 min
Jan 23, 10:39 PM CST	Severe Thunderstorm Warning	JAN	Madison	51 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1997 Every 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.