Alert archive / Louisiana / Tornado Warnings in 1989
Tornado Warning 7, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at May 4, 1989, 11:14 PM CDT for Caddo Parish, Louisiana. It was in force for 50 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
- May 4, 1989, 11:14 PM CDT (04:14 UTC)
- Expired
- May 5, 1989, 12:04 AM CDT
- In force
- 50 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Caddo 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
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 11:30 PM CDT | Hail 1 | Caddo, 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 00:00Z, 4.2 hours before the alert went out and 72 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.
- Mixed-layer CAPE
- 309 J/kg
- Mixed-layer CIN
- -227 J/kg
- Mixed-layer LCL
- 1028 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSHV 050414
TORSHV
LAC017-050515-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1114 PM CDT THU MAY 4 1989
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1215 AM CDT
FOR PEOPLE IN THE FOLLOWING PARISH...
IN NORTHWEST LOUISIANA
...CADDO
AT 1112 PM CDT NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A
POSSIBLE TORNADO IN THE WEST PART OF SHREVEPORT MOVING TO THE EAST
NORTHEAST AT 35 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 CLOSE`T 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, May 4, 6:46 PM CDT, 4 hours 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 645 PM CDT THU MAY 4 1989 ...SHOWERS AND THUNDERSTORMS DEVELOPED RAPIDLY OVER NORTHEAST TEXAS AND NORTHWEST LOUISIANA... AT 640 PM WEATHER SERVICE RADARS IN SHREVEPORT AND LONGIVEW SHOWED NEWLY FORMED SHOWERS AND THUNDERSTORMS OVER EAST TEXAS AND NORTHWEST LOUISIANA. THERE WAS ACTUALLY TWO SMALL AREAS ONE EXTENDED FROM NEAR TYLER AND MARSHASLL SOUTHEAST INTO NORTHWEST LOUISIANA TO NEAR SHREVEPORT/BOSSIER CITY AND TO NEAR STONEWALL..AND THE SECOND EXTENDED FROM NEAR KILDARE TEXAS SOUTHEAST INTO NORTHWEST LOUISIANA TO NEAR VIVIAN..BENTON..AND MINDEN. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT 20 MPH QAND SHOULD CONTINUE INTO SOUTHWEST ARKANSAS. THE THUNDERSTORMS WILL PRODUCE GUSTY WINDS AND BRIEF HEAVY RAINFALL.
Special weather statement, May 4, 7:42 PM CDT, 3 hours 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 745 PM CDT THU MAY 4 1989 ...SHOWERS AND THUNDERSTORMS CONTINUE OVER NORTHEAST TEXAS AND NORTHWEST LOUISIANA AND HAD MOVED INTO EXTREME SOUTH ARKANSAS... AT 737 PM WEATHER SERVICE RADARS IN SHREVEPORT AND LONGVIEW SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER NORTHEAST TEXAS..NORTHWEST LOUISIANA..AND SOUTH ARKANSAS. WITH THE AREA A BAND OF SHOWERS AND STRONG THUNDERSTORMS..PRODUCING HEAVY RAINFALL..EXTENDED FROM NEAR BENTON LOUISIANA SOUTHEAST TO NEAR MINDEN..SIBLEY..AND BIENVILLE. THE STRONGER STORMS WITHIN THIS BAND WERE PRODUCING VERY HEAVY RAINFALL ..STRONG AND GUSTY WINDS..FREQUENT LIGHTNING..AND POSSIBLY SOME HAIL. ANOTHER BAND EXTENDED FROM NEAR SPRING HILL SOUTHEAST TO NEAR DUBACH ..AND TO JUST SOUTH OF MONROE LOUISIANA. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE EAST AT 25 MPH.
Special weather statement, May 4, 9:15 PM CDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 915 PM CDT THU MAY 4 1989 ...SHOWERS AND THUNDERSTORMS CONTINUE OVER NORTHEAST TEXAS.. SOUTHWEST ARKANSAS..AND NORTH LOUISIANA... AT 905 PM WEATHER SERVICE RADAR IN SHREVEPORT SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS OVER NORTHEAST TEXAS..NORTH LOUISIANA..AND SOUTH ARKANSAS ABOUT 75 MILES WIDE THAT WAS LOCATED GENERALLY NORTH OF A LINE FROM NEAR CARTHAGE TEXAS EAST TO NEAR SHREVEPORT..CASTOR.. JONESBORO..MONROE..AND DELHI LOUISIANA. THE STRONGER THUNDERSTORMS WRE INDICATED NEAR PLAIN DEALING..COTTON VALLEY..MINDEN..GIBSLAND.. AND SOUTHWEST OF CALHOUN LOUISIANA AND NEAR DE BERRY AND EAST OF JEFFERSON OVER CADDO LAKE TEXAS. THE SHOWERS AND THUNDERSTORMS HAVE BEEN PRODUCING GUSTY WINDS..FREQUENT LIGHTNING..AND HEAVY RAINFALL AS THEY MOVED TO THE EAST NORTHEAST AT 25 MPH. DUE TO THE HEAVY RAINS..SOME PONDING OF WATER MAY OCCUR IN STREETS..LOW LYING..AND POOR DRAINAGE AREAS.
Local storm report, May 4, 10:24 PM CDT, 50 minutes before
STORM REPORT NATIONAL WEATHER SERVICE SHREVEPORT LA 1020 PM CDT THU MAY 4 1989 945 PM CDT...MARBLE SIZE HAIL IN SOUTHWEST SHREVEPORT FROM NEAR DAWN RIDGE AND BERT KOUNS..CADDO PARISH. 950 PM CDT...MARBLE SIZE HAIL IN SOUTHWEST SHREVEPORT NEAR SOUTHWOOD HIGH SCHOOL..CADDO PARISH..SEVERAL REPORTS. 1000 PM CDT..3/4 INCH SIZE HAIL NEAR LOUISIANA STATE UNIVERSITY SHREVEPORT AND YOUREE DRIVE IN SHREVEPORT..CADDO PARISH..THIS REPORTED BY SEVERAL OFF DUTY AIR FORCE METEOROLOGISTS AND LOCAL MEDIA METEOROLOGIST. 1004 PM CDT..GOLF BALL SIZE HAIL AT LINWOOD AND 70TH STREET IN SHREVEPORT..CADDO PARISH. 1006 PM CDT..MARBLE SIZE HAIL NEAR CAPTAIN SHREVE SCHOOL IN SHREVEPORT ..CADDO PARISH. . 1006 PM CDT..GOLF BALL SIZE HAIL BROADMOAR AND 70TH STREET SHREVEPORT..CADDO PARISH. 1012 PM CDT..PING PONG BALL SIZE HAIL GOLDEN MEADOWS SOUTH BOSSIER CITY..BOSSIER PARISH 1021 PM CDT..OVER ONE INCH OF RAIN AT THE SHREVEPORT REGIONAL AIRPORT SINCE 0950 PM CDT (30 MINUTES). 1021 PM CDT..2 1/2 INCH SIZE HAIL THREE MILES SOUTH OF BARKSDALE AFB BOSSIER CITY..BOSSIER PARISH.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 9:52 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 68 min |
| May 4, 10:29 PM CDT | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 61 min |
| May 4, 11:03 PM CDT | Severe Thunderstorm Warning | SHV | Bossier | 57 min |
| May 4, 11:33 PM CDT | Severe Thunderstorm Warning | SHV | Bienville, Lincoln | 57 min |
| May 4, 11:33 PM CDT | Severe Thunderstorm Warning | SHV | Webster | 57 min |
| May 5, 12:11 AM CDT | Severe Thunderstorm Warning | SHV | Ouachita, Richland | 64 min |
| May 5, 12:53 AM CDT | Severe Thunderstorm Warning | SHV | Bienville | 67 min |
| May 5, 1:19 AM CDT | Severe Thunderstorm Warning | SHV | Webster | 56 min |
| May 5, 1:37 AM CDT | Flash Flood Warning | SHV | Bossier, Caddo | 3 hr |
| May 5, 1:37 AM CDT | Flash Flood Warning | SHV | Webster | 3 hr |
| May 5, 2:05 AM CDT | Severe Thunderstorm Warning | SHV | Madison | 40 min |
| May 5, 2:23 AM CDT | Severe Thunderstorm Warning | SHV | Caddo, De Soto, Sabine | 67 min |
| May 5, 2:23 AM CDT | Severe Thunderstorm Warning | SHV | Bienville, Bossier | 67 min |
| May 5, 2:53 AM CDT | Severe Thunderstorm Warning | SHV | East Carroll | 67 min |
| May 5, 2:53 AM CDT | Severe Thunderstorm Warning | SHV | Morehouse | 67 min |
| May 5, 3:15 AM CDT | Tornado Warning | SHV | Bossier, Caddo | 60 min |
| May 5, 4:02 AM CDT | Severe Thunderstorm Warning | SHV | Bienville, Webster | 58 min |
| May 5, 4:47 AM CDT | Flash Flood Warning | SHV | Bossier, Caddo | 3 hr |
| May 5, 4:47 AM CDT | Flash Flood Warning | SHV | Bienville, Claiborne, Webster | 3 hr |
| May 5, 6:29 AM CDT | Flash Flood Warning | SHV | Ouachita, Richland | 4 hr |
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.