Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 21, NWS Shreveport, LA

March 9, 1992Bossier Parish, Caddo Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 9, 1992, 2:53 PM CST for Bossier Parish, Caddo Parish, Louisiana. It was in force for 97 min. 6 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
Mar 9, 1992, 2:53 PM CST (20:53 UTC)
Expired
Mar 9, 1992, 4:30 PM CST
In force
97 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Bossier Parish, LA, Caddo Parish, LA

What was reported inside it

TimeReportWhereRemark
Mar 9, 3:20 PM CSTHail 0.88Caddo, LA
Mar 9, 3:32 PM CSTHail 1.75Bossier, LA
Mar 9, 3:32 PM CSTHail 1.75Caddo, LA
Mar 9, 3:51 PM CSTHail 2Bossier, LA
Mar 9, 4:10 PM CSTHail 1.75Bossier, LA
Mar 9, 4:40 PM CSTHail 0.88Caddo, 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, 8.9 hours before the alert went out and 86 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 1992-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 633 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 1992-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 297 square meters per square second.1939587897Sfc1 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
633 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
652 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
297 m²/s²
0-3 km storm-relative helicity
349 m²/s²
Significant tornado parameter
0.0
Supercell composite
6.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 092055
SVRSHV
LAC015-017-092230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
253 PM CST MON MAR 9 1992
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN NORTHWEST LOUISIANA
 
   ...THE NORTHERN TWO THIRDS OF CADDO PARISH AND NORTHERN BOSSIER
PARISH...
 
AT 245 PM NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A
SEVERE THUNDERSTORM 25 MILES SW OF DIXIE AND OIL CITY LOUISIANA.
 
THE STORM WAS MOVING EAST NORTHEAST AT 45 MILES PER HOUR AND HAS
PREVIOUSLY PRODUCED DAMAGING WINDS...LARGE HAIL...AND ONE TORNADO
WHICH TOUCHED DOWN EARLIER IN HARRISON COUNTY TEXAS.
 
THIS STORM IS STILL CAPABLE OF PRODUCING DAMAGING WINDS...LARGE
HAIL...AND A TORNADO AS IT MOVES EAST NORTHEASTWARD INTO THE
NORTHWESTERN PORTION OF LOUISIANA.
 
THIS STORM IS PART OF A BAND OF THUNDERSTORMS THAT WERE LOCATED AT 245
PM FROM ARKADELPHIA ARKANSAS...NEAR HOPE...ON TO THE NORTHWEST CORNER
OF LOUISIANA...ON TO HENDERSON TEXAS.
 
THE SYSTEM IS NOW MOVING EASTWARD AT 30 TO 35 MILES PER HOUR.
 
A TORNADO WATCH REMAINS IN EFFECT AHEAD OF TCHE BAND AND ISOLATED
SEVERE STORMS WILL DEVELOP OVER NORTHERN LOUISIANA AND SOUTHERN
ARKANSAS THIS EVENING.  ALONG WITH THE THREAT OF SEVERE STORMS IS THE
THREAT OF FLOODING.

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, Mar 9, 10:10 AM CST, 4 hours 43 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-091700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1005 AM CST MON MAR 9 1992

TORNADO WATCH IN EFFECT FOR MUCH OF NORTHEAST TEXAS...AND THE THREAT
OF SEVERE STORMS AND FLOOD PRODUCING RAINFALL EXISTS FOR MUCH OF THE
ARKLATEX BEFORE THE DAY IS OVER.

PERSONS IN THE ARKLATEX ARE ADVISED TO REMAIN ALERT FOR RAPIDLY CHANG-
ING WEATHER CONDITIONS ESPECIALLY AFTER MID MORNING OVER THE WESTERN
SECTIONS AND OVER THE EASTERN SECTIONS THIS AFTERNOON AND EVENING.

ALTHOUGH NO SEVERE STORMS WERE INDICATED OVER THE IMMEDIATE ARKLATEX
AT 1000 AM CST..WIDESPREAD RAIN AND SHOWERS ALONG WITH ISOLATED THUNDER-
STORMS CONTINUED OVER THE NORTHWEST HALF. RAINFALL OF ONE TO OVER
TWO INCHES OCCURRED OVERNIGHT AND EARLY THIS MORNING OVER PARTS
OF SOUTHWEST ARKANSAS...EXTREME NORTHEAST TEXAS AND EXTREME NORTHWEST
LOUISIANA AND HEAVY RAINFALL CONTINUED TO FALL OVER SOUTHERN ARKANSAS
JUST NORTH OF THE LOUISIANA BORDER. ALSO HEAVY RAINFALL WAS OCCURRING
OVER NORTHEAST TEXAS AND THE ADJACENT AREA OF SOUTHWEST ARKANSAS FROM
ASHDOWN AND TEXARKANA ARKANSAS AND DEKALB TEXAS SOUTHWEST THROUGH MOUNT
PLEASANT TO NEAR WACO TEXAS.  FLASH FLOOD WARNINGS WERE IN EFFECT FOR
SOME OF THE COUNTIES IN THE MIDDLE SULPHUR RIVER BASIN AND FLASH FLOOD
WARNIGS MAY BE REQUIRED FOR BOWIE AND CASS COUNTIES IN NORTHEAST TEXAS
AND LITTLE RIVER..HEMPSTEAD..AND MILLER COUNTIES IN SOUTHWEST ARKANSAS.

AT 1000 AM CST THE NATIONAL WEATHER SERVICE RARAR IN SHREVEPORT SHOWED A
70 MILE WIDE AREA OF RAIN...SHOWERS AND ISOLATED THUNDERSTORMS  NORTH OF
A LINE FROM LAKE PROVIDENCE LOUISIANA WEST ALONG THE LOUISIANA/ARKANSAS
BORDER TO NEAR CADDO LAKE IN NORTHWEST LOUISIANA AND TO NEAR TYLER AND
WACO TEXAS. STRONG THUNDERSTORMS WERE IN A BAND JUST NORTH OF THE
LOUISIANA/ARKANSAS BORDER AND FROM ASHDOWN ARKANSAS SOUTHWEST ACROSS
NEW BOSTON..MT PLEASANT AND TO NEAR WACO TEXAS. THE SYSTEM WAS MOVING
VERY LITTLE WITH SHOWERS AND THUNDERSTORMS DEVELOPING AND MOVING OVER
THE SAME GENERAL AREA.

AN UPPER LEVEL DISTURBANCE OVER SOUTHWEST TEXAS WILL MOVE EAST ACROSS
THE AREA BY MID MORNING AND STORMS OVER THE WESTE"RN SECTIONS OF THE
AREA WILL INCREASE RAPIDLY AND MAY REACH SEVERE INTENSITY AND SPREAD EAST
AND NORTHEAST.  FLOODING WILL LIKELY DEVELOP WITH THESE THUNDERSTORMS IN
LOW AREAS AS CREEKS ARE RUNNING HIGH AND THE GROUND NEAR SATURATION.
Local storm report, Mar 9, 2:44 PM CST, 9 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE SHREVEPORT LA
240 PM CST MON MAR 9 1992

STORM REPORTS FOR MONDAY MARCH 9 1992

TIME CST    CNTY/PRSH  STATE  EVENT/LOCATION/DAMAGE

1230 PM     BOWIE/CASS   TX   FLOODING...SECONDARY ROADS...UNDERPASSES
                              IN TEXARKANA...NEW BOSTON AND LINDEN
100  PM     LITTLE RIVER AR   LOW AREA FLOODING NEAR FOREMAN AND INDEX
                              4.20 INCHES OF RAIN AT INDEX SINCE 7 AM
200  PM     MILLER       AR   FLOODING IN TEXARKANA ARKANSAS...SEVERAL
            HEMPSTEAD    AR   STREETS AND US 82 INTO SOUTHWEST HEMPSTEAD
                              COUNTY.
218  PM     RUSK         TX   ONE INCH HAIL AND HIGH WINDS DOWNED SEVERAL
                              TREES 5 MILES WEST OF HENDERSON TEXAS.
230  PM     GREGG        TX   ONE INCH HAIL AND HIGH WINDS NEAR EASTON
235  PM     HARRISON     TX   FUNNEL CLOUD 10 MILES SOUTHWEST OF MARSHALL
                              TEXAS...NICKLE SIZE HAIL.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 3:38 PM CSTSevere Thunderstorm WarningSHVBossier, Webster97 min
Mar 9, 3:38 PM CSTSevere Thunderstorm WarningSHVCaddo97 min
Mar 9, 3:41 PM CSTSevere Thunderstorm WarningSHVEast Carroll34 min
Mar 9, 4:59 PM CSTSevere Thunderstorm WarningSHVBossier, Caddo61 min
Mar 9, 5:54 PM CSTSevere Thunderstorm WarningSHVWebster66 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 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.