Alert archive / Louisiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 53, NWS Shreveport, LA

March 18, 1992Winn Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at Mar 18, 1992, 4:45 AM CST for Winn Parish, Louisiana. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Mar 18, 1992, 4:45 AM CST (10:45 UTC)
Expired
Mar 18, 1992, 5:45 AM CST
In force
60 min
Issued by
NWS Shreveport, LA
Area
Whole counties

County Winn Parish, LA

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 00:00Z, 10.8 hours before the alert went out and 190 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 1992-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 352 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 1992-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 251 square meters per square second.1939587897117Sfc1 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
352 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
581 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
251 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
0.3
Supercell composite
3.2

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, Mar 17, 10:50 PM CST, 5 hours 55 minutes before
TXZ023-027-033-ARZ009-LAZ001-002-003-004-005-006-OKZ040-180645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1050 PM CST TUE MAR 17 1992

...TORNADO WATCH IN EFFECT FOR NORTHEAST TEXAS...SOUTHEAST OKLAHOMA...
SOUTHWEST ARKANSAS...AND NORTHWEST LOUISIANA UNTIL 4 AM...

..SEVERE THUNDERSTORM WARNING NO LONGER IN EFFECT FOR PIKE AND
HOWARD COUNTIES IN SOUTHWEST ARKANSAS...

AT 1045 PM WEATHER SERVICE RADAR IN SHREVEPORT INDICATED SHOWERS
AND THUNDERSTORMS OVER SOUTHWEST ARKANSAS...SOUTHEAST OKLAHOMA...
INTO NORTHEAST TEXAS. THIS ACTIVITY WAS NORTHWEST OF A LINE FROM
ARKADELPHIA ARKANSAS TO DEQUEEN TO IDABEL OKLAHOMA TO PARIS TEXAS
ON TO ATHENS. HEAVY RAINFALL WAS INDICATED JUST NORTH OF ARKADELPHIA
ARKANSAS TO NEAR GILLHAM TO NEAR EAGLETON OKLAHOMA AND ALSO NEAR
HUGO.

MOVEMENT WAS TO THE NORTHEAST AT 30 MPH.

THE THUNDERSTORMS WILL PRODUCE HEAVY RAINFALL OF UP TO ONE INCH
ALONG WITH STRONG GUSTY WINDS AND FREQUENT LIGHTNING. THE CHANCE
OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH WEDNESDAY WITH
SOME STORMS REACHING SEVERE INTENSITY WITH LOCALLY HEAVY RAINFALL.
Special weather statement, Mar 18, 1:02 AM CST, 3 hours 43 minutes before
TXZ023-027-033-ARZ009-LAZ001-002-003-004-005-006-OKZ040-180645-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
100 AM CST WED MAR 18 1992

...TORNADO WATCH IN EFFECT FOR NORTHEAST TEXAS...SOUTHEAST OKLAHOMA...
SOUTHWEST ARKANSAS...AND NORTHWEST LOUISIANA UNTIL 4 AM...

AT 1255 AM WEATHER SERVICE RADAR IN SHREVEPORT INDICATED SHOWERS
AND THUNDERSTORMS OVER SOUTHWEST ARKANSAS...SOUTHEAST OKLAHOMA...
INTO NORTHEAST TEXAS. THIS ACTIVITY WAS NORTHWEST OF A LINE FROM
CENTERVILLE TO GRAPELAND TO CUSHING TO CARTHAGE TO WASKOM TEXAS...
ON TO OIL CITY AND IDA LOUISIANA...ON TO STAMPS AND WATERLOO ARKANSAS.
THE HEAVIEST RAINFALL WAS LOCATED NEAR CARTHAGE...MARSHALL...OMAHA
AND NAPLES TEXAS...NEAR OIL CITY LOUISIANA...AND NEAR HOPE ARKANSAS.

A BAND OF SHOWERS AND THUNDERSTORMS WAS ALSO INDICATED FROM NEAR
STONEWALL TO RINGGOLD LOUISIANA. THE HEAVIEST RAINFALL WAS OCCURRING
NORTH OF GRAND CANE LOUISIANA.
MOVEMENT WAS TO THE NORTHEAST AT 30 MPH.

THE THUNDERSTORMS WILL PRODUCE HEAVY RAINFALL OF UP TO ONE INCH
ALONG WITH STRONG GUSTY WINDS AND FREQUENT LIGHTNING. THE CHANCE
OF SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH WEDNESDAY WITH
SOME STORMS REACHING SEVERE INTENSITY WITH LOCALLY HEAVY RAINFALL.
Special weather statement, Mar 18, 2:36 AM CST, 2 hours 9 minutes before
TXZ023-027-033-ARZ009-LAZ001-002-003-004-005-006-OKZ040-181030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
235 AM CST WED MAR 18 1992

...TORNADO WATCH IN EFFECT FOR NORTHEAST TEXAS...SOUTHEAST OKLAHOMA...
SOUTHWEST ARKANSAS...AND NORTHWEST LOUISIANA UNTIL 4 AM...

AT 235 AM WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A LARGE AREA
OF SHOWERS AND THUNDERSTORMS OVER NORTHEAST TEXAS ACROSS NORTHWEST
LOUISIANA AND SOUTHWEST ARKANSAS. WITHIN THIS AREA A 15 MILE WIDE
BAND OF THUNDERSTORMS EXTENDED FROM RODESSA LOUISIANA TO WASKOM TEXAS
ON TO NACOGADOCHES TEXAS. THESE THUNDERSTORMS ARE PRODUCING BRIEF
HEAVY RAINFALL OF ONE HALF TO ONE INCH ALONG WITH GUSTY WINDS OF 25 TO
35 MPH AND FREQUENT LIGHTNING. THE AREA WAS MOVING TO THE EAST AT 25
MPH.

ACROSS SOUTHWEST ARKANSAS...RAINFALL OF ONE TO THREE INCHES OCCURRED
TUESDAY EVENING. LIGHT AND MODERATE RAINFALL WAS INDICATED OVER THIS
AREA AT 235 AM. ADDITIONAL HEAVY RAIcNFALL MAY CAUSE FLOODING OF LOW
AND POOR DRAINAGE AREAS.

SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH WEDNESDAY ACROSS THE
AREA WITH SOME STORMS REACHING SEVERE INTENSITY ALONG WITH LOCALLY HEAVY
RAINFALL.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 2:54 AM CSTSevere Thunderstorm WarningSHVBossier, Caddo, De Soto66 min
Mar 18, 3:38 AM CSTSevere Thunderstorm WarningSHVBienville, Red River67 min
Mar 18, 3:38 AM CSTSevere Thunderstorm WarningSHVClaiborne, Webster67 min
Mar 18, 3:52 AM CSTSevere Thunderstorm WarningSHVNatchitoches, Sabine68 min
Mar 18, 4:29 AM CSTSevere Thunderstorm WarningSHVLincoln, Union61 min
Mar 18, 4:29 AM CSTSevere Thunderstorm WarningSHVJackson61 min
Mar 18, 5:07 AM CSTSevere Thunderstorm WarningSHVCaldwell, Ouachita68 min
Mar 18, 5:32 AM CSTSevere Thunderstorm WarningSHVFranklin, Richland58 min
Mar 18, 5:51 AM CSTSevere Thunderstorm WarningSHVEast Carroll, Madison69 min
Mar 18, 3:11 PM CSTSevere Thunderstorm WarningSHVNatchitoches, Sabine59 min
Mar 18, 4:49 PM CSTSevere Thunderstorm WarningSHVJackson, Lincoln116 min
Mar 17, 9:34 PM CSTSevere Thunderstorm WarningSHVHoward, Pike56 min
Mar 18, 2:54 AM CSTSevere Thunderstorm WarningSHVShelby66 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.