Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 28, NWS Shreveport, LA

March 9, 1992Webster Parish, Louisiana; Columbia County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 9, 1992, 5:54 PM CST for Webster Parish, Louisiana; Columbia County, Arkansas. It was in force for 66 min. 2 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, 5:54 PM CST (23:54 UTC)
Expired
Mar 9, 1992, 7:00 PM CST
In force
66 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Columbia County, AR, Webster Parish, LA

What was reported inside it

TimeReportWhereRemark
Mar 9, 6:18 PM CSTHail 0.88Columbia, AR
Mar 9, 6:40 PM CSTHail 2.75Webster, 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, 11.9 hours before the alert went out and 141 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

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Local storm report, Mar 9, 2:44 PM CST, 3 hours 10 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.
Local storm report, Mar 9, 4:43 PM CST, 1 hour 11 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE SHREVEPORT LA
440 PM CST MON MAR 9 1992

STORM REPORTS FOR MONDAY MARCH 9 1992

TIME CST    CNTY/PRSH  STATE  EVENT/LOCATION/DAMAGE

351 PM      EAST CARROL  LA   WIND DAMAGE...POSSIBLE TORNADO IN DOWNTOWN
                              LAKE PROVIDENCE. PATH OF DAMAGE 3/4 MILE
                              LONG...DOWNING NUMEROUS POWER LINES AND TREES.
                              DAMAGE TO NUMEROUS AUTOMOBILES...STRUCTURAL
                              DAMAGE UNKNOWN. DOWN POWER LINE CAUSED FIRE
                              AT A SCHOOL. FIVE MINOR INJURIES REPORTED
                              AND ANOTHER POSSIBLE INJURY AS A RESULT OF
            H                  FALLING TREES ON AUTOMOBILE.

ADDITIONAL INFORMATION WILL BE RELAYED AS RECEIVED.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 2:53 PM CSTSevere Thunderstorm WarningSHVBossier, Caddo97 min
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, 10:40 AM CSTFlash Flood WarningSHVHempstead, Little River, Miller4 hr
Mar 9, 4:59 PM CSTSevere Thunderstorm WarningSHVColumbia, Nevada61 min
Mar 9, 5:00 PM CSTFlash Flood WarningSHVColumbia, Lafayette, Miller3 hr
Mar 9, 10:40 AM CSTFlash Flood WarningSHVCass4 hr
Mar 9, 2:04 PM CSTSevere Thunderstorm WarningSHVGregg, Harrison, Rusk71 min
Mar 9, 2:31 PM CSTTornado WarningSHVHarrison59 min
Mar 9, 4:37 PM CSTSevere Thunderstorm WarningSHVCass68 min
Mar 9, 5:00 PM CSTFlash Flood WarningSHVCass3 hr

Nearby

Severe Thunderstorm Warnings in Louisiana, 1992Severe Thunderstorm Warnings in Arkansas, 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.