Alert archive / Louisiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 166, NWS Shreveport, LA

May 28, 1995Caddo Parish, Louisiana

NWS Shreveport, LA issued this severe thunderstorm warning at May 28, 1995, 5:42 PM CDT for Caddo Parish, Louisiana. It was in force for 33 min.

The area

The counties it named.

The facts

Issued: May 28, 1995, 5:42 PM CDT (22:42 UTC)
Expired: May 28, 1995, 6:15 PM CDT
In force: 33 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Caddo Parish, LA

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 10.7 hours before the alert went out and 17 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2462 J/kg
Mixed-layer CIN: -38 J/kg
Mixed-layer LCL: 664 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 72 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 282242
SVRSHV
LAC017-282315-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
542 PM CDT SUN MAY 28 1995
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  615 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST LOUISIANA
 
   ...NORTHERN CADDO PARISH
 
AT 540 PM CDT...NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A
SEVERE THUNDERSTORM FROM LONGWOOD TO BLANCHARD LOUISIANA. THIS STORM HAS
A HISTORY OF PRODUCING MARBLE SIZE HAIL AND LARGER HAIL IS POSSIBLE WITH
THIS SEVERE THUNDERSTORM.
 
MOVEMENT WAS NORTHEAST AT NEAR 15 MPH.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN 8ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
 
 
NNNN

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, May 28, 11:45 AM CDT, 5 hours 57 minutes before

TXZ165-152-166-167-LAZ005-010-012-013-018-019-021-017-011-281745-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1145 AM CDT SUN MAY 28 1995

...NUMEROUS SHOWERS AND THUNDERSTORMS OVE

Special weather statement, May 28, 12:45 PM CDT, 4 hours 57 minutes before

TXZ153-165-152-166-167-LAZ006-005-010-012-013-018-019-021-017-014-
011-281845-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1245 PM CDT SUN MAY 28 1995

...SHOWERS AND THUNDERSTORMS OVER THE SOUTH AND EAST PORTIONS OF THE
ARKLATEX...

AT 1240 PM CDT NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED AN 80
MILE WIDE AREA OF NUMEROUS SHOWERS AND THUNDERSTORMS EXTENDING SOUTHEAST
OF A LINE FROM WOODVILLE TEXAS NORTHEASTWARD TO NEAR MANY LOUISIANA TO
NEAR JONESBORO AND LAKE PROVIDENCE LOUISIANA.  THE THUNDERSTORMS WITH
THE HEAVIEST RAINFALL WERE LOCATED JUST SOUTH OF LEESVILLE AND
APPROACHING ALEXANDRIA.

MOVEMENT WAS TO THE NORTHEAST AT 40 TO 45 MPH.

NNNN

Special weather statement, May 28, 1:51 PM CDT, 3 hours 51 minutes before

TXZ153-165-152-166-167-LAZ006-005-010-012-013-018-019-021-017-014-
011-282000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
151 PM CDT SUN MAY 28 1995

...SHOWERS AND THUNDERSTORMS SPREADING NORTHWARD INTO THE SOUTHERN AND
EASTERN PARTS OF THE ARKLATEX...

AT 146 PM CDT NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED AN 80
MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS EXTENDING SOUTHEAST OF A
LINE FROM LUFKIN TEXAS NORTHEASTWARD TO MANSFIELD AND COUSHATTA TO NEAR
MONROE AND LAKE PROVIDENCE LOUISIANA.  THE THUNDERSTORM WITH THE HEAVIESRAINFALL IS LOCATED NEAR CONVERSE LOUISIANA.

MOVEMENT OF THE THUNDERSTORMS WAS TO THE NORTHEAST AT 40 TO 45 MPH WHILE
THE ENTIRE AREA WAS DRIFTING NORTHWARD.

NNNN

Special weather statement, May 28, 2:23 PM CDT, 3 hours 19 minutes before

TXZ150-151-153-165-152-166-167-LAZ001-002-003-004-006-005-010-012-
013-018-019-021-017-014-011-282030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
223 PM CDT SUN MAY 28 1995

...SHOWERS AND STRONG THUNDERSTORMS ACROSS SOUTHERN AND EASTERN PORTIONS
OF THE ARKLATEX AND EAST CENTRAL TEXAS...

AT 220 PM CDT...NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A
20 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS ACROSS PORTIONS OF NORTH
CENTRAL AND NORTHEAST LOUISIANA FROM NEAR BIENVILLE EAST TO JUST NORTH
OF RUSTON AND MONROE EXTENDING EAST TO NEAR BASTROP LOUISIANA.

SHOWERS AND THUNDERSTORMS WERE ALSO INDICATED ACROSS PORTIONS OF EAST
CENTRAL TEXAS AND WEST CENTRAL LOUISIANA FROM EAST OF LUFKIN ACROSS THE
SAM RAYBURN RESERVOIR NORTHEAST TO CONVERSE EXTENDING EAST TO NEAR
PLEASANT HILL...POWHATTAN AND CHESTNUT LOUISIANA. STRONG THUNDERSTORMS
WITHIN THIS AREA WERE LOCATED FROM NEAR MILAM IN EAST CENTRAL TEXAS
ACROSS THE TOLEDO BEND RESERVOIR TO NEAR NATCHIOTCHES AND POWHATAN
LOUISIANA.

INDIVIDUAL THUNDERSTORMS CELLS WERE MOVING EAST AT NEAR 45 MPH WHILE THE
ENTIRE AREA WAS MOVING TO THE NORTH AT 20 TO 25 MPH.

STRONGER THUNDERSTORMS THIS AFTERNOON AND THIS EVENING HAVE THE
POTENTIAL TO PRODUCE STRONG GUSTY WINDS IN EXCESS OF 35 TO 45 MPH ALONG
WITH DEADLY LIGHTNING...BREIF LOCALLY HEAVY RAINFALL AND POSSIBLE SMALL
HAIL.

SHOWERS AND THUNDERSTORMS WILL CONTINUE TO EFFECT SOUTHERN AND CENTRAL
PORTIONS OF THE ARKLATEX THIS AFTERNOON AND NORTHERN SECTIONS LATER THIS
EVENING AND TONIGHT.

STAY TUNNED TO NOAA WEATHER RADIO FOR FURTHER UPDATES AND POSSIBLE
WARNING WITH THIS ONGOING WEATHER SITUATION.

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 2:58 PM CDT	Severe Thunderstorm Warning	SHV	Bienville	62 min
May 28, 3:03 PM CDT	Severe Thunderstorm Warning	SHV	Red River	57 min
May 28, 3:40 PM CDT	Severe Thunderstorm Warning	SHV	Bossier, Webster	65 min
May 28, 3:40 PM CDT	Severe Thunderstorm Warning	SHV	Lincoln	65 min
May 28, 4:29 PM CDT	Severe Thunderstorm Warning	SHV	Caddo	61 min

Nearby

Severe Thunderstorm Warnings in Louisiana, 1995 Every severe thunderstorm warning in 1995

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.