Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 3, NWS Shreveport, LA

January 8, 1992Webster Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Jan 8, 1992, 3:05 AM CST for Webster Parish, Louisiana. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Jan 8, 1992, 3:05 AM CST (09:05 UTC)
Expired
Jan 8, 1992, 4:00 AM CST
In force
55 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Webster Parish, LA

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 9.1 hours before the alert went out and 125 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 00:00Z on 1992-01-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 178 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 00:00Z on 1992-01-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 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
178 J/kg
Mixed-layer CIN
-145 J/kg
Mixed-layer LCL
704 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

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

Special weather statement, Jan 8, 1:34 AM CST, 1 hour 31 minutes before
OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-016-LAZ001-
002-003-004-005-006-080900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
130 AM CST WED JAN 8 1992

...ISOLATED THUNDERSTORMS MOVING ACROSS EAST CENTRAL TEXAS INTO
NORTHWEST LOUISIANA...

AT 125 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
ISOLATED THUNDERSTORMS LOCATED 5 MILES WEST OF LONGSTREET LOUISIANA...8
MILES NORTHWEST OF CENTER TEXAS AND 10 MILES SOUTHEAST OF NACOGDOCHES
TEXAS. THESE THUNDERSTORMS WERE PRODUCING GUSTY WINDS TO 35 MILES AN
HOUR...BRIEF HEAVY RAINS AND FREQUENT LIGHTNING. THE THUNDERSTORMS WERE
WITHIN A 70 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS THAT EXTENDED
FROM GLADEWATER TEXAS TO DE RIDDER LOUISIANA.

MOVEMENT WAS NORTHEAST NEAR 35 MPH.

ELSEWHERE...PATCHY LIGHT RAIN AND SHOWERS WERE NOTED IN A 60 MILE WIDE
AREA THAT EXTENDED FROM NEAR MONTICELLO ARKANSAS TO SOUTH OF ALEXANDRIA
LOUISIANA.

MOVEMENT WAS NORTHEAST NEAR 30 MILES AN HOUR.

ANOTHER 50 MILE WIDE AREA OF SCATTERED SHOWERS WAS INDICATED FROM NEAR
MENA ARKANSAS TO NEAR PITTSBURG TEXAS.

MOVEMENT WAS NORTHEAST NEAR 35 MILES AN HOUR.

THE SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE TO DEVELOP AND
SPREAD ACROSS PARTS OF SOUTHERN ARKANSAS...SOUTHEAST OKLAHOMA...EASTERN
TEXAS AND NORTHERN LOUISIANA FOR THE REMAINDER OF THE NIGHT THROUGH
THE DAY WEDNESDAY.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 2:12 AM CSTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto63 min
Jan 8, 2:33 AM CSTSevere Thunderstorm WarningSHVCaddo57 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; the sounding from the Mesonet's radiosonde archive.