Alert archive / Louisiana / Tornado Warnings in 1989

Tornado Warning 1, NWS Shreveport, LA

March 4, 1989Madison Parish, Tensas Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Mar 4, 1989, 4:55 PM CST for Madison Parish, Tensas Parish, Louisiana. It was in force for 95 min. 4 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 4, 1989, 4:55 PM CST (22:55 UTC)
Expired
Mar 4, 1989, 6:30 PM CST
In force
95 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Madison Parish, LA, Tensas Parish, LA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Mar 4, 5:20 PM CSTHail 0.88Tensas, LA
Mar 4, 5:30 PM CSTTornado F1Tensas, LA
Mar 4, 5:50 PM CSTHail 0.88Madison, LA
Mar 4, 6:18 PM CSTHail 1Madison, 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

Jackson, MS (KJAN), launched 12:00Z, 10.9 hours before the alert went out and 115 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, Jackson, MS at 12:00Z on 1989-03-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 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, Jackson, MS at 12:00Z on 1989-03-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 233 square meters per square second.19395878Sfc1 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
6 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
233 m²/s²
0-3 km storm-relative helicity
316 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KSHV 042307 COR
TORSHV
LAC107-065-050030-

BULLETIN...EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
455 PM CST SAT MAR 4 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 630 PM CST FOR PEOPLE IN THE FOLLOWING PARISHES IN

NORTHEAST LOUISIANA...TENSAS AND MADISON...MAINLY THE EASTERN HALF.

AT 455 PM CST THE NATIONAL WEATHER SERVICE RADARS IN JACKSON AND
SHREVEPORT SHOWED A POSSIBLE TORNADO DEVELOPING IN SEVERE THUNDER
STORM ABOUT 10 MILES NORTHWEST OF WATERPROOF LOUISIANA.

THE STORM WAS MOVING NORTH NORTHEAST AT 45 MPH.
.
PERSONS IN THE PATH OF THIS TORNADO SHOULD SEEK SHELTER IN A PERMANENT
STRUCTURE ON THE LOWEST FLOOR IN AN INTERIOR SMALL ROOM.  GET UNDER A
PIECE OF HEAVY FURNITURE OR COVER YOURSELF WITH SOMETHING TO PROTECT
AGAINST FLYING OR FALLING DEBRIS.

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, Mar 4, 12:01 PM CST, 4 hours 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1150 AM CST SAT MAR 4 1989

ISOLATED STRONG THUNDERSTORMS DEVELOPING OVER NORTHEAST TEXAS WITHIN A
LARGE AREA OF RAIN AND SHOWERS...THE RAIN AND SHOWERS BECOME MIXED
WITH SLEET OVER THE WESTERN SECTIONS OF THE AREA.

AT 1150 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A STRONG THUNDERSTORM 10 MILES NORTHWEST OF GILMER TEXAS MOVING NORTH-
EAST AT 40 MPH. THIS STORM MAY PRODUCE SMALL HAIL.

RAIN AND SHOWERS WERE INDICATED WEST OF A LINE FORM HOT SPRINGS TO
HOPE TO TEXARKANA TO NEAR TYLER.  THE FREEZE LINE WAS LOCATED FROM NEAR
DEQUEEN ARKANSAS TO DEKALB TEXAS TO TULER. PRECIPITATION WEST OF THAT
LINE WAS MIXED RAIN AND SLEET.

A WINTER WEATHER ADVISORY IS IN EFFECT FOR THE NORTHWEST SECTIONS OF
THE ARKLATEX THIS AFTERNOON WITH WINTER PRECIPITATION INCREASING  BY
LATE TONIGHT AND A WINTER STORM WATCH IS IN EFFECT FOR THE NRTHWWEST
SECTIONS THROUGH EARLY SUNDAY.

MEANWHILE IN THE WARM AIR...OVER THE SOUTHEAT HALF OF THE ARKLATEX..
TEMPERATURES WERE IN THE 60S AND WILL RISE TO NEAR 70 THIS AFTERNOON
BEFORE FALLING FROM WEST TO EAST ACROSS THE AREA. THUNDERSTORMS  WILL
DEVELOP FROM EAST CENTRAL TEXAS ACROSS NORTH LOUISIANA INTO SOUTH-
CENTRAL AND SOUTHEAST ARKANSAS BY MID AFTERNOON AND A FEW SEVERE STORMS
ARE POSSIBLE OVER THE EASTERN SECTIONS LATE THIS AFTERNOON AND TONIGHT
WITH HEAVY RAINFALL OVER NORTHEAST LOUISIANA AND NEARBY ADJACENT AREAS.

COLDER AIR WILL OVERSPREAD ALL THE AREA FROM NORTHWEST TO SOUTHEAST
TONIGHT WITH STRONG NORTHWEST WINDS OF 15 TO 30 MPH AND GUSTY. LAKE
WIND ADVISORIES ARE IN EFFECT...AND WIND CHILLS WILL DROP INTO THE
SINGLE DIGITS OVER THE NORTHWEST THIS AFTERNOON AND OVER THE SOUTHEAST
EARLY SUNDAY.
Special weather statement, Mar 4, 3:31 PM CST, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
330 PM CST SAT MAR 4 1989

BAND OF MODERATE TO HEAVY SHOWERS ALONG WITH ISOLATED HEAVY
THUNDERSTORMS DEVELOPING OVER NORTHEAST TEXAS AND SOUTHWEST
ARKANSAS.  ISOLATED STRONG THUNDERSTORMS DEVELOPING OVER
CENTRAL LOUISIANA.  MIXED RAIN AND SLEET OCCURRING OVER THE
EXTREME NORTHWESTERN PART OF THE ARKLATEX.

THE ISOLATED STRONG THUNDERSTORMS OVER CENTRAL LOUISIANA WILL
INCREASE AND SPREAD NORTHEASTWARD BRINGING A THREAT OF SEVERE
STORMS AND HEAVY RAINFALL TO NORTHEAST LOUISIANA TONIGHT.

TEMPERATURES WILL REMAIN WARM IN THOSE AREAS THIS EVENING AFTER
REACHING HIGHS IN THE LOW 70S.

BAND OF SHOWERS AND THUNDERSTORMS IN SOUTHWEST ARKANSAS AND NORTHEAST
TEXAS FROM NORTHWEST OF MAGNOLIA TO NEAR JEFFERSON TO NEAR LONGVIEW
WILL CONTINUE TO SPREAD TO THE EASTSOUTHEAST RESULTING IN LOCALLY
HEAVY RAINFALL OVER SOUTHCENTRAL ARKANSAS AND NORTHWESTERN LOUISIANA
EARLY TONIGHT.

IN ITS WAKE RAIN AND SHOWERS WILL CONTINUE OVER THE REMAINDER OF
NORTHEAST TEXAS AND SOUTHWEST ARKANSAS BECOMING MIXED WITH SLEET.
LATE SATURDAY AFTERNOON FREEZING TEMPERATURES WERE LOCATED WEST OF
A HOT SPRINGS...NASHVILLE ARKANSAS...LONGVIEW TEXAS LINE.

OVERNIGHT THE COLD AIR WILL SPREAD FURTHER SOUTHEAST ACCOMPANIED
BY STRONG NORTHWESTERLY WINDS OF 15 TO 30 MPH AND BY LATE TONIGHT
RAIN WILL BECOMING MIXED WITH SOME SLEET ACROSS THE NORTHWERN HALF
OF THE ARKLATEX...CHANGING TO SNOW ACROSSS THE NORTHWESTERN THIRD
OF THE AREA AND WILL CONTINUE INTO SUNDAY.

THE WINTER STORM WATCH REMAINS IN EFFECT FOR THE NORTHWESTERN THIRD
OF THE AREA FOR TONIGHT INTO SUNDAY MORNING.

TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHCENTRAL...NORTHEAST
AND EASTCENTRAL LOUISIANA.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 4, 4:21 PM CSTSevere Thunderstorm WarningSHVFranklin, Madison, Tensas94 min
Mar 4, 5:21 PM CSTSevere Thunderstorm WarningSHVNatchitoches, Winn99 min

Nearby

Tornado Warnings in Louisiana, 1989Every tornado warning in 1989Tornadoes in 1989

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.