Alert archive / Louisiana / Tornado Warnings in 1989
Tornado Warning 1, NWS Shreveport, LA
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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 4, 5:20 PM CST | Hail 0.88 | Tensas, LA | |
| Mar 4, 5:30 PM CST | Tornado F1 | Tensas, LA | |
| Mar 4, 5:50 PM CST | Hail 0.88 | Madison, LA | |
| Mar 4, 6:18 PM CST | Hail 1 | Madison, 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.
- 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
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 4, 4:21 PM CST | Severe Thunderstorm Warning | SHV | Franklin, Madison, Tensas | 94 min |
| Mar 4, 5:21 PM CST | Severe Thunderstorm Warning | SHV | Natchitoches, Winn | 99 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.