Alert archive / Louisiana / Tornado Warnings in 1991

Tornado Warning 2, NWS Shreveport, LA

February 18, 1991Bossier Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Feb 18, 1991, 1:21 PM CST for Bossier Parish, Louisiana. It was in force for 69 min. 1 report 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: Feb 18, 1991, 1:21 PM CST (19:21 UTC)
Expired: Feb 18, 1991, 2:30 PM CST
In force: 69 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Bossier Parish, LA

What was reported inside it

Time	Report	Where	Remark
Feb 18, 2:15 PM CST	Hail 2.5	Bossier, 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, 7.4 hours before the alert went out and 100 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: 417 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 812 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 285 m²/s²
0-3 km storm-relative helicity: 269 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 181921
TORSHV
LAC015-017-TXC203-365-182030-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
121 PM CST MON FEB 18 1991
 
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  230 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATIONS..
 
IN NORTHWEST LOUISIANA
 
   ...BOSSIER PARISH...CADDO PARISH
 
 
IN NORTHEAST TEXAS
 
   ...SOUTHEASTERN HARRISON COUNTY...NORTHEASTERN PANOLA COUNTY
 
AT 118 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT
INDICATED A POSSIBLE TORNADO NEAR ELYSIAN FIELDS TEXAS MOVING TOWARD
THE NORTHEAST AND EAST AT NEAR 60 MPH.
 
IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  `GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

What forecasters said that day

The local office's own words before this tornado 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, Feb 18, 8:59 AM CST, 4 hours 22 minutes before

OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-181700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
855 AM CST MON FEB 18 1991

STRONG THUNDERSTORMS CONTINUE MOVING ACROSS THE ARKLATEX

AT 850 AM THE SHREVEPORT WEATHER RADAR SHOWED A STRONG THUNDERSTORM
JUST WEST AND NORTHWEST OF THE SHREVEPORT METROPOLITAN AREA MOVING
TO THE NORTHEAST NEAR 40 MPH.  THIS THUNDERSTORM WILL LIKELY PROCUCE
VERY HEAVY RAINFALL...STRONG GUSTY WINDS ALONG WITH FREQUENT LIGHTNING
AND HAIL.

OTHER STRONG THUNDERSTORMS WERE LOCATED FROM NEAR FARMERVILLE LOUISIANA
TO ABOUT 15 MILES NORTHWEST OF WINNFIELD.

THESE THUNDERSTORMS WERE PART OF A LARGE AREA OF SHOWERS AND THUNDER-
STORMS THAT WERE LOCATED FROM NEAR ELDORADO AND HAMBURG ARKANSAS
EXTENDING SOUTHWESTWARD ACROSS MUCH OF NORTH CENTRAL AND NORTHWEST
LOUISIANA.

RAIN ALONG WITH SCATTERED STRONG THUNDERSTORMS WILL CONTINUE OVER MUCH
OF THE AwRKLATEX AND NORTHERN LOUISIANA THROUGHOUT THE REST OF THE DAY.
SOME OF THE THUNDERSTORMS MAY REACH SEVERE INTENSITY.

Special weather statement, Feb 18, 10:51 AM CST, 2 hours 30 minutes before

OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-DDHHMM-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1040 AM CST MON FEB 16 1991

SHOWERS AND THUNDERSTORMS CONTINUE MOVING NORTHEASTWARD ACROSS
PORTIONS OF NORTHEAST TEXAS...SOUTHWEST ARKANSAS AND NORTHERN
LOUISIANA.

AT 1035 AM THE SHREVEPORT WEATHER RADAR SHOWED AN AREA OF RAIN ALONG
WITH SCATTERED SHOWERS AND A FEW THUNDERSTORMS FROM NEAR HOT SPRINGS
AND PINE BLUFF ARKANSAS EXTENDING SOUTHWESTWARD ACROSS SOUTHWEST
ARKANSAS THROUGH NORTHERN LOUISIANA BETWEEN SHREVEPORT AND MONROE
ON TO NEAR LUFKIN TEXAS.  ANOTHER AREA OF SHOWERS AND THUNDERSTORMS
WAS LOCATED FROM NEAR PALESTINE TEXAS TO NEAR TYLER AND FROM SOUTHWEST
OF NEW BOSTON TEXAS TO NEAR HOT SPRINGS ARKANSAS.  MOVEMENT WAS TO THE
NORTHEAST NEAR 35 MPH.

RAIN ALONG WITH SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER
MUCH OF THE AREA FOR THE REMAINDER OF TODAY INTO TONIGHT.  SOME OF THE
STRONGER THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAINFALL...STRONG
GUSTY WINDS ALONG WITH DANGEROUS LIGHTNING AND HAIL.  A FEW OF THE
THUNDERSTORMS MAY REACH SEVERE INTENSITY.

STAY TUNED

Special weather statement, Feb 18, 10:53 AM CST, 2 hours 28 minutes before

OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-DDHHMM-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1040 AM CST MON FEB 16 1991

SHOWERS AND THUNDERSTORMS CONTINUE MOVING NORTHEASTWARD ACROSS
PORTIONS OF NORTHEAST TEXAS...SOUTHWEST ARKANSAS AND NORTHERN
LOUISIANA.

AT 1035 AM THE SHREVEPORT WEATHER RADAR SHOWED AN AREA OF RAIN ALONG
WITH SCATTERED SHOWERS AND A FEW THUNDERSTORMS FROM NEAR HOT SPRINGS
AND PINE BLUFF ARKANSAS EXTENDING SOUTHWESTWARD ACROSS SOUTHWEST
ARKANSAS THROUGH NORTHERN LOUISIANA BETWEEN SHREVEPORT AND MONROE
ON TO NEAR LUFKIN TEXAS.  ANOTHER AREA OF SHOWERS AND THUNDERSTORMS
WAS LOCATED FROM NEAR PALESTINE TEXAS TO NEAR TYLER AND FROM SOUTHWEST
OF NEW BOSTON TEXAS TO NEAR HOT SPRINGS ARKANSAS.  MOVEMENT WAS TO THE
NORTHEAST NEAR 35 MPH.

RAIN ALONG WITH SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE OVER
MUCH OF THE AREA FOR THE REMAINDER OF TODAY INTO TONIGHT.  SOME OF THE
STRONGER THUNDERSTORMS WILL LIKELY PRODUCE HEAVY RAINFALL...STRONG
GUSTY WINDS ALONG WITH DANGEROUS LIGHTNING AND HAIL.  A FEW OF THE
THUNDERSTORMS MAY REACH SEVERE INTENSITY.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR FURTHER
DEVELOPMENTS.

Local storm report, Feb 18, 11:32 AM CST, 1 hour 49 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1100 AM CST TUE FEB 19 1991

STORM REPORTS FOR SUNDAY FEBRUARY 17 1991
TIME LST  CNTY/PRSH   ST ..  EVENT/ LOCATION / DAMAGE
1125 PM  GREGG        TX .. HALF INCH HAIL AND POWER OUTAGES DUE TO LIGHTNING
1152 PM HARRISON      TX .. ONE INCH HAIL TWO MILES NORTH OF MARSHALL WITH
                            WIND GUSTS IN EXCESS OF 50 MPH WITH A FEW TREE
                            LIMBS DOWNED.
FEBRUARY 18 1991
1210 AM MARION        TX .. ONE INCH HAIL IN SMITHLAND TEXAS ALONG WITH
                            HIGH WINDS.
1215 AN
1220 AM CST HARRSION   TX ..WIND DAMAGE...ONE MOBILE LIFTED AND ROLLED
                            FOR ONE HUNDRED  YARDS...TWO PERSONS INJURIED
                            ...CRITICAL...TOW OTHER HOUSES IN THE AREA
                            WITH ROOF DAMAGE. DAMAGE OCCURRED ON FARM TO
                            MARKET ROAD 1999...9 MILES NORTH OF WASKPO
                             TEXAS OR JUST EAST OF LEGJI TEXAS.

DAMAGE WAS CAUSED BY A BOW ECHO INDICATED BY RADAR...MOVING EAST AT 60
MPH WHICH DECAYED  OVER EASTERN HARRISON COUNTY RAPIDY NEAR THE NORTH
WEST LOUISIANA BORDER.

420 AM CST SHEBLIY     TX .. ONE INCH HAIL AT STOCKMAN TEXAS...HIGH
                            WINDS.

Local storm report, Feb 18, 12:00 PM CST, 1 hour 21 minutes before

STORM REPORT..CORRECTED DATE...
NATIONAL WEATHER SERVICE SHREVEPORT LA
1100 AM CST MON FEB 18 1991

STORM REPORTS FOR SUNDAY FEBRUARY 17 1991
TIME LST  CNTY/PRSH   ST ..  EVENT/ LOCATION / DAMAGE
1125 PM  GREGG        TX .. HALF INCH HAIL AND POWER OUTAGES DUE TO LIGHTNING
1152 PM HARRISON      TX .. ONE INCH HAIL TWO MILES NORTH OF MARSHALL WITH
                            WIND GUSTS IN EXCESS OF 50 MPH WITH A FEW TREE
                            LIMBS DOWNED.
FEBRUARY 18 1991
1210 AM MARION        TX .. ONE INCH HAIL IN SMITHLAND TEXAS ALONG WITH
                            HIGH WINDS.
1215 AM TO
1220 AM CST HARRSION   TX ..WIND DAMAGE...ONE MOBILE HOME LIFTED AND ROLLED
                            FOR ONE HUNDRED YARDS...TWO PERSONS INJURED
                            ...CRITICAL...TWO OTHER HOUSES IN THE AREA
                            WITH ROOF DAMAGE. DAMAGE OCCURRED ON FARM TO
                            MARKET ROAD 1999...9 MILES NORTH OF WASKOM
                             TEXAS OR JUST EAST OF LEGHI TEXAS.
                             DAMAGE IN EXCESS OF 60 THOUSAND.

DAMAGE WAS CAUSED BY A BOW ECHO INDICATED BY RADAR...MOVING EAST AT 60
MPH WHICH DECAYED OVErR EASTERN HARRISON COUNTY RAPIDLY NEAR THE NORTH-
WEST LOUISIANA BORDER.

420 AM CST SHEBLY     TX .. ONE INCH HAIL AT STOCKMAN TEXAS...HIGH
                            WINDS.

Special weather statement, Feb 18, 12:19 PM CST, 1 hour 2 minutes before

OKZ040-021-034-TXZ022-023-027-028-032-033-ARZ009-010-011-016-LAZ001-
002-003-004-005-006-182030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1215 PM CST MON FEB 18 1991

...TORNADO WATCH IS IN EFFECT FOR THE NORTHWEST HALF OF THE ARKLATEX..
INCLUDING ALL OF NORTHEAST TEXAS..EXTREME SOUTHEAST OKLAHOMA..SOUTHWEST
ARKANSAS..AND EXTREME NORTHWEST LOUISIANA...

SHOWERS AND THUNDERSTORMS CONTINUED TO SPREAD OVER THE SOUTHEAST HALF OF
THE ARKLATEX..PRODUCING LOCALLY HEAVY RAINFALL AND STRONG GUSTY WINDS.
SOME LOW AREA FLOODING MAY DEVELOP WITH THE PASSAGE WITH THE HEAVIER
STORMS. WITHIN THE LARGE MASS OF RAIN AND SHOWERS WHICH COVERED MUCH OF
NORTH AND CENTRAL LOUISIANA..STRONG THUNDERSTORMS WERE OCCURRING
BETWEEN RUSTON AND MONROE. THESE STORMS PRODUCED SEVERE WEATHER EARLY
MONDAY MORNING OVER EXTREME EAST TEXAS.

ANOTHER THREAT OF SEVERE WEATHER WILL DEVELOP OVER THE NORTHWEST HALF OF
THE ARKLATEX..AND WILL CONTINUE INTO THE NIGHTTIME HOURS OVER THE
SOUTHEAST HALF. PERSONS IN THE REGION SHOULD BE ON THE ALERT FOR SEVERE
WEATHER..AS SEVERE THUNDERSTORMS ARE LIKELY..AND ISOLATED TORNADOES ARE
POSSIBLE. ALONG WITH THE THREAT OF SEVERE THUNDERSTORMS..VERY HEAVY
RAINFALL AMOUNTS WILL OCCUR. A FLASH FLOOD WATCH IS IN EFFECT FOR THE
NORTHWEST HALF OF THE AREA THIS AFTERNOON..AND WILL BE EXTENDED EAST
OVER THE REMAINDER OF THE AREA TONIGHT.

AT 1210 THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A
BAND OF INCREASING THUNDERSTORMS FROM LONGVIEW TEXAS SOUTHWESTWARD ACROSS
JACKSONVILLE TO WEST OF CROCKETT TEXAS. THE STORMS WERE MOVING NORTHEAST
AT 40 MPH. SEVERE STORM WARNINGS MAY BE NECESSARY FOR RUSK..GREGG..AND
HARRISON COUNTIES IN TEXAS WITHIN THE NEXT HOUR. ANOTHER BAND OF
INCREASING STRONG THUNDERSTORMS WERE INDICATED FROM 20 MILES NORTH OF
CAMDEN ARKANSAS TO HOPE AND TEXARKANA ON TO CLARKSVILLE AND GREENVILLE
TEXAS. MOVEMENT WAS TOWARD THE EAST NORTHEAST AT 40 MPH.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 18, 1:21 PM CST	Tornado Warning	SHV	Caddo	69 min
Feb 18, 2:05 PM CST	Severe Thunderstorm Warning	SHV	Claiborne, Webster	85 min

Nearby

Tornado Warnings in Louisiana, 1991 Every tornado warning in 1991 Tornadoes in 1991

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.