Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 113, NWS Shreveport, LA

May 14, 1992Shelby County, Texas; Natchitoches Parish, Sabine Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at May 14, 1992, 5:12 PM CDT for Shelby County, Texas; Natchitoches Parish, Sabine Parish, Louisiana. It was in force for 63 min. 4 reports 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
May 14, 1992, 5:12 PM CDT (22:12 UTC)
Expired
May 14, 1992, 6:15 PM CDT
In force
63 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Natchitoches Parish, LA, Sabine Parish, LA, Shelby County, TX

What was reported inside it

TimeReportWhereRemark
May 14, 5:45 PM CDTHail 1.75Natchitoches, LA
May 14, 5:45 PM CDTHail 0.75Sabine, LA
May 14, 5:55 PM CDTHail 1.75Shelby, TX
May 14, 6:02 PM CDTHail 1Sabine, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 10.2 hours before the alert went out and 119 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-pSkew-T log-p diagram, Longview/Gregg, TX at 12:00Z on 1992-05-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2724 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Longview/Gregg, TX at 12:00Z on 1992-05-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2724 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
837 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 142215
SVRSHV
LAC069-085-TXC419-142315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
512 PM CDT THU MAY 14 1992
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN NORTHWEST LOUISIANA
 
   ...NATCHITOCHES PARISH...SABINE PARISH
 
 
IN NORTHEAST TEXAS
 
   ...SHELBY COUNTY
 
AT 507 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT INDICATED SEVERE
THUNDERSTORMS OVER EASTERN SHELBY COUNTY TEXAS 5 MILES SOUTHEAST OF
CENTER TEXAS...A SEVERE THUNDERSTORM OVER NATCHITOCHES PARISH NEAR
POWHATTAN LOUISIANA. THE STORMS OVER SHELBY COUNTY TEXAS WILL
SPREAD EAST NORTHEAST ACROSS LOWER TOLEDO BEND LAKE INTO SABINE
PARISH LOUISIANA NEAR CONVERSE.  THE THUNDERSTORMS HAVE BEEN MOVING
TO THE EAST NORTHEAST AT NEAR 15 MPH AND PRODUCING VERY HEAVY RAINS
..GOLFBALL AND LARGER SIZE HAIL..AND STRONG AND GUSTY WINDS.
 
...A SEVERE THUNDERSTORM WATCH CONTINUE IN EFFECT FOR NORTHEAST TEXAS
..SOUTHWEST ARKANSAS..AND NORTHWEST LOUISIANA...
...A SEVERE THUNDERSTORM WARNING CONTINUED IN EFFECT UNTIL 545 PM FOR
CADDO..BOSSIER..BIENVILLE..AND WEBSTER PARISHES IN LOUISIANA AND FOR
PANOLA COUNTY IN EAST TEXAS...
 
 
WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIKL THE STORM
HAS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, May 14, 11:46 AM CDT, 5 hours 26 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-141800-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1145 AM CDT THU MAY 14 1992

...A SEVERE THUNDERSTORM WATCH IN EFFECT FOR EXTREME SOUTHEAST
OKLAHOMA AND NORTHEAST TEXAS UNTIL 400 PM CDT...
...WIDELY SCATTERED THUNDERSTORMS OVER NORTHEAST TEXAS...

AT 1140 AM CDT WEATHER SERVICE RADAR IN SHREVEPORT SHOWED WIDELY
SCATTERED SHOWERS AND THUNDERSTORMS OVER NORTHEAST TEXAS NEAR MT
VERNON.  THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE SOUTHEAST
AT 25 MPH.  RADAR ALSO SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS
OVER NORTH TEXAS THAT EXTENDED FROM NEAR BONHAM SOUTHWEST TO THE
DALLASN/FORT WORTH AREA.

THE SHOWERS AND THUNDERSTORMS WILL CONTINUE TO MOVE AND DEVELOP
SOUTHEAST OVER NORTHEAST TEXAS.

The office that day

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

IssuedProductOfficeCountiesLasted
May 14, 12:48 PM CDTSevere Thunderstorm WarningSHVCass57 min
May 14, 4:42 PM CDTSevere Thunderstorm WarningSHVPanola63 min
May 14, 6:16 PM CDTSevere Thunderstorm WarningSHVShelby59 min
May 14, 3:29 PM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Webster61 min
May 14, 3:55 PM CDTSevere Thunderstorm WarningSHVRed River65 min
May 14, 4:50 PM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Webster55 min
May 14, 5:42 PM CDTSevere Thunderstorm WarningSHVBienville, Bossier, Caddo, Webster63 min
May 14, 5:42 PM CDTSevere Thunderstorm WarningSHVDe Soto63 min
May 14, 6:16 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Sabine59 min
May 14, 6:45 PM CDTSevere Thunderstorm WarningSHVCaddo, De Soto, Natchitoches60 min
May 14, 6:45 PM CDTSevere Thunderstorm WarningSHVClaiborne, Webster60 min
May 14, 6:45 PM CDTSevere Thunderstorm WarningSHVBossier60 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992Severe Thunderstorm Warnings in Texas, 1992Every severe thunderstorm warning in 1992

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.