Alert archive / Louisiana / Tornado Warnings in 1992

Tornado Warning 7, NWS Shreveport, LA

April 19, 1992Morehouse Parish, Ouachita Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Apr 19, 1992, 10:43 PM CDT for Morehouse Parish, Ouachita Parish, Louisiana. It was in force for 47 min. 3 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
Apr 19, 1992, 10:43 PM CDT (03:43 UTC)
Expired
Apr 19, 1992, 11:30 PM CDT
In force
47 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Morehouse Parish, LA, Ouachita Parish, LA

What was reported inside it

TimeReportWhereRemark
Apr 19, 10:58 PM CDTTornado F1Ouachita, LA
Apr 19, 11:05 PM CDTTornado F1Ouachita, LA
Apr 19, 11:10 PM CDTHail 1Morehouse, 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

Jackson, MS (KJAN), launched 00:00Z, 3.7 hours before the alert went out and 182 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, Jackson, MS at 00:00Z on 1992-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 156 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, Jackson, MS at 00:00Z on 1992-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 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
156 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1555 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 200346
TORSHV
LAC067-073-200430-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1043 PM CDT SUN APR 19 1992
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1130 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN NORTHEAST LOUISIANA
 
   ...SOUTHEASTERN MOREHOUSE PARISH...NORTHEASTERN OUACHITA PARISH
 
AT 1040 PM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A SEVERE THUNDERSTORM AND ALSO A POSSIBLE TORNADO JUST NORTHEAST OF
DOWNTOWN MONROE LOUISIANA. FUNNEL CLOUDS FROM THIS STORM HAVE BEEN
SPOTTED OVER THE PAST 15 MINUTES. THIS THUNDERSTORM MAY PRODUCE A
TORNADO...SO TAKE COVER IMMEDIATELY. ALONG WITH A POSSIBLE
TORNADO...LARGE HAIL AND STRONG DAMAGING THUNDERSTORM WINDS ARE ALSO
POSSIBLE.
 
THIS THUNDERSTORM WAS MOVING TO THE NORTHEAST AT 25 MILES PER HOUR.
 
 
THIS IS A DANGEROUS STORM SITUATION.  ACT QUICKLY.  IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE.  OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST
FLOOR POSSIBLE.  AVOID WINDOWS.  ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.

What forecasters said that day

The local office's own words before this tornado 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, Apr 19, 5:10 PM CDT, 5 hours 33 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-200000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
505 PM CDT SUN APR 19 1992

...TORNADO WATCH IN EFFECT FOR EAST TEXAS...AND FOR PARTS OF NORTHWEST
LOUISIANA AND SOUTHWEST ARKANSAS UNTIL 9 PM...
...FLASH WATCH IN EFFECT FOR NORTHWEST LOUISIANA AND NORTHEAST TEXAS
TONIGHT...

AT 505 PM CDT WEATHER SERVICE RADAR IN SHREVEPORT CONTINUED TO SHOW
SHOWERS AND THUNDERSTORMS ACROSS NORTHEAST TEXAS AND OVER PARTS OF
SOUTHWEST ARKANSAS AND NORTH LOUISIANA. ONE 50 MILE WIDE AREA EXTENDED
FROM NEAR HOT SPRINGS ARKANSAS TO TEXARKANA TO TENAHA TEXAS TO WOODVILLE.
ANOTHER BAND OF SHOWERS AND THUNDERSTORMS EXTENDED FROM NEAR PARIS TEXAS
SOUTHWARD TO ATHENS. OVER NORTH LOUISIANA ISOLATED SHOWERS AND THUNDER-
STORMS WERE INDICATED. VERY HEAVY RAINFALL WAS OCCURRING NEAR LOGANSPORT
LOUISIANA...NEAR THE SAN RAYBURN RESERVOIR IN EAST TEXAS AND NEAR WILLS
POINT TEXAS. MOVEMENT WAS TO THE NORTHEAST AT 30 MPH.
.
THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS...
...AND POSSIBLY HAIL. THE THREAT OF STORMS WILL CONTINUE THROUGH TONIGHT
ACROSS THE ARKLATEX.

PERSONS ACROSS THE ARKLATEX REGION SHOULD TAKE CAUTION IF TRAVELING TONIGHT.
HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS AND POSSIBLY
FLOODING IN LOW AND POOR DRAINAGE AREAS. SEVERE STORMS CAN CAUSE FLOOD
PRODUCING RAINFALL...HIGH AND DAMAGING7 WINDS...HAIL...AND DANGEROUS
LIGHTNING AS WELL AS TORNADOES.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 7:10 PM CDTSevere Thunderstorm WarningSHVNatchitoches, Sabine65 min
Apr 19, 8:07 PM CDTSevere Thunderstorm WarningSHVWinn68 min
Apr 19, 9:14 PM CDTSevere Thunderstorm WarningSHVCaldwell, Jackson, Winn61 min
Apr 19, 9:56 PM CDTTornado WarningSHVJackson, Ouachita49 min
Apr 19, 11:16 PM CDTSevere Thunderstorm WarningSHVCaldwell, Ouachita, Richland59 min
Apr 19, 11:16 PM CDTSevere Thunderstorm WarningSHVJackson, Winn59 min
Apr 20, 12:19 AM CDTSevere Thunderstorm WarningSHVFranklin, Madison, Tensas56 min
Apr 20, 12:40 AM CDTSevere Thunderstorm WarningSHVEast Carroll, West Carroll50 min
Apr 20, 2:09 AM CDTSevere Thunderstorm WarningSHVNatchitoches, Winn66 min
Apr 20, 4:08 AM CDTSevere Thunderstorm WarningSHVMadison37 min

Nearby

Tornado Warnings in Louisiana, 1992Every tornado warning in 1992Tornadoes 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.