Alert archive / Texas / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 13, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Mar 20, 1989, 9:28 PM CST for Harrison County, Texas. It was in force for 92 min.
The area
The counties it named.
The facts
- Issued
- Mar 20, 1989, 9:28 PM CST (03:28 UTC)
- Expired
- Mar 20, 1989, 11:00 PM CST
- In force
- 92 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Harrison County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Longview/Gregg, TX (KGGG), launched 00:00Z, 3.5 hours before the alert went out and 31 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
- 1920 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 1249 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 139 m²/s²
- 0-3 km storm-relative helicity
- 231 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSHV 210333
SVRSHV
LAC015-017-TXC203-210500-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
928 PM CST MON MAR 20 1989
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1100 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES AND PARISHES...
IN NORTHWEST LOUISIANA
...BOSSIER...CADDO
IN NORTHEAST TEXAS
...SOUTHEAST HARRISON
AT 928 PM WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A SEVERE
THUNDERSTORM ABOUT 8 MILES NORTHEAST OF CARTHAGE TEXAS MOVING TO
THE NORTHEAST AT 35 MPH. THIS STORM HAS PRODUCED HAIL UP TO ONE
INCH IN SIZE AND MAY PRODUCE STRONG AND DAMAGING WINDS.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
SEVERE THUNDERSTORM WARNING FOR RUSK COUNTY IN NORTHEAST TEXAS
NO LONGER IN EFFECT.
A SEVERE THUNDERSTORM WARNING CONTINUES IN EFFECT FOR SHELBY COUNTY
IN NORTHEAST TEXAS UNTIL 1000 PM.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 20, 3:48 PM CST, 5 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 345 PM CST MON MAR 20 1989 ...AN AREA OF SHOWERS AND THUNDERSTORMS WITH ISOLATED STRONG THUNDERSTORMS CONTINUES TO AFFECT CENTRAL INTO NORTHEAST LOUISIANA... AT 335 PM CST NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT INDICATED A LARGE AREA OF SHOWERS AND SCATTERED THUNDERSTORMS WITH ISOLATED STRONG THUNDERSTORMS ACROSS A LARGE PART OF CENTRAL INTO NORTHEAST AND EAST CENTRAL LOUISIANA ON INTO MISSISSIPPI. THE STRONGEST THUNDERSTORMS WERE LOCATED TO THE SOUTH AND SOUTHEAST OF ALEXANDRIA..ALSO JUST NORTH OF COLFAX LOUISIANA. ANOTHER STRONG THUNDERSTORM WAS INDICATED NEAR RUSTON. THE AREA OF SHOWERS AND THUNDERSTORMS WAS MOVING TO THE EAST AT 20 MILES AN HOUR WHILE THE INDIVIDUAL CELLS WERE MOVING TO THE NORTH- EAST AT 30 MILES AN HOUR. A TORNADO WATCH REMAINS IN EFFECT FOR A LARGE PART OF CENTRAL AND SOUTHERN LOUISIANA UNTIL 6 PM THIS EVENING. PERSONS SHOULD REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AND LISTEN FOR FURTHER STATEMENTS AND POSSIBLE WARNINGS. ELSEWHERE..A BAND OF SCATTERED SHOWERS AND THUNDERSTORMS WAS DEVELOPING AHEAD OF A STRONG COLD FRONT FROM EXTREME WEST CENTRAL AKANSAS EAST OF FORT SMITH INTO SOUTHEAST OKLAHOMA. THIS BAND IS EXPECTED TO DEVELOP SOUTHWESTWARD AS IT MOVES TO THE SOUTHEAST. THE STORMS ARE ALSO EXPECTED TO INTENSIFY THROUGH THE AFTERNOON WITH THEIR SOUTHEASTWARD PROGRESSION AND POSSIBLY BECOME STRONG TO SEVERE AS THEY MOVE INTO THE ARKLATEX LATE THIS AFTERNOON AND THIS EVENING.
Special weather statement, Mar 20, 4:56 PM CST, 4 hours 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 455 PM CST MON MAR 20 1989 ...A TORNADO WATCH IN EFFECT UNTIL 1000 PM FOR MUCH OF NORTHEAST TEXAS AND SOUTHWEST ARKANSAS AND EXTREME SOUTHEAST OKLAHOMA... ...A TORNADO WATCH IN EFFECT UNTIL 600 PM FOR A LARGE PART OF CENTRAL AND SOUTHERN LOUISIANA... ...SHOWERS AND THUNDERSTORMS CONTINUE OVER NORTHEAST LOUISIANA AND HAD DEVELOPED DURING THE PAST HOUR OVER SOUTHEAST OKLAHOMA.. SOUTHWEST ARKANSAS..AND NORTHEAST TEXAS... AT 445 PM WEATHER SERVICE RADAR IN SHREVEPORT SHOWED AN AREA OF SHOWERS AND STRONG THUNDERSTORMS OVER NORTHEAST AND EAST CENTRAL LOUISIANA THAT EXTENDED FROM NEAR BASTROP AND MONROE SOUTH TO ALEXANDRIA AND BATON ROUGE. THE STRONGER THUNDERSTORMS IN NORTHEAST LOUISIANA WERE INDICATED NEAR RAYVILLE SOUTHEAST TO EAST OF WINNSBORO AND BETWEEN COLUMBIA AND HARRISONBURG. THE SHOWERS AND THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 35 MPH AND HAVE BEEN PRODUCING GUSTY WINDS..FREQUENT LIGHTNING.. AND BREIF BUT HEAVY RAINS. . RADAR ALSO SHOWED SCATTERED SHOWERS AND STRONG THUNDERSTORMS FROM EAST OF FORT SMITH SOUTHWEST TO NEAR MENA AND ASHDOWN ARKANSAS AND INTO NORTHEAST TEXAS TO NEAR NEW BOSTON. ALSO A LINE OF SHOWERS AND STRONG THUNDERSTORMS FROM NEAR GREENVILLE TEXAS SOUTHWEST TO NEAR WACO AND TEMPLE. THE STRONGER THUNDERSTORMS IN SOUTHWEST ARKANSAS WERE INDICATED NEAR MENA AND DE QUEEN. MOVEMENT WAS TO THE NORTHEAST AT 35 MPH WITH THE STORMS PRODUCING BRIEF BUT HEAVY RAINFALL..STRONG AND GUSTY WINDS..AND FREQUENT BUT DANGEROUS LIGHTNING.
Special weather statement, Mar 20, 6:02 PM CST, 3 hours 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 600 PM CST MON MAR 20 1989 ...A TORNADO WATCH IN EFFECT UNTIL 1000 PM FOR MUCH OF NORTHEAST TEXAS AND SOUTHWEST ARKANSAS AND EXTREME SOUTHEAST OKLAHOMA... ...SHOWERS AND THUNDERSTORMS CONTINUE OVER NORTHEAST LOUISIANA BUT WILL MOST LIKELY MOVE INTO MISSISSIPPI DURING THE NEXT HOUR... ...SHOWERS AND THUNDERSTORMS..SOME STRONG..CONTINUE TO DEVELOP OVER SOUTHWEST ARKANSAS AND NORTHEAST TEXAS... AT 545 PM WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SCATTERED SHOWERS AND STRONG THUNDERSTORMS OVER NORTHEAST LOUISIANA FROM NEAR LAKE PROVIDENCE SOUTH INTO EAST CENTRAL LOUISIANA AND THE ADJACENT STATE OF MISSISSIPPI. THE STRONGER THUNDERSTORMS IN NORTHEAST LOUISIANA WERE INDICATED NEAR LAKE PROVIDENCE MOVING TO THE NORTHEAST AT 35 MPH AND SHOULD MOVE INTO MISSISSIPPI DURING THE NEXT HOUR. RADAR ALSO SHOWED WIDELY SCATTERED SHOWERS AND STRONG THUNDERSTORMS OVER SOUTHWEST ARKANSAS THAT EXTENDED INTO NORTHEAST AND NORTH CENTRAL TEXAS FROM NEAR RUSSELVILLE..MURFREESBORO..AND ASHDOWN ARKANSAS TO NEAR MAUD..LINDEN..AND LONGVIEW TEXAS. RADAR SHOWED ANOTHER AREA OF WIDELY SCATTERED SHOWERS AND STRONG THUNDERSTORMS FROM NEAR EMORY SOUTHWEST TO NEAR CORSICANA..GROSBECK..AND TEMPLE TEXAS. THE STRONGER THUNDERSTORMS IN SOUTHWEST ARKANSAS WERE INDICATED NEAR NASHVILLE AND OKAY AND IN NORTHEAST TEXAS BETWEEN TEXARKANA AND MAUD. THE SHOWERS AND THUNDERSTeORMS WERE MOVING TO THE EAST AT 35 MPH WHILE THE OVERALL AREAS SPREAD TO THE SOUTHEAST AT 20 MPH. THE STORMS WERE PRODUCING GUSTY WINDS..FREQUENT AND DANGEROUS LIGHTNING..BRIEF BUT HEAVY RAINFALL..AND POSSIBLY HAIL.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 8:47 PM CST | Severe Thunderstorm Warning | SHV | Panola, Rusk, Shelby | 73 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1989Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.