Alert archive / Louisiana / Tornado Warnings in 1986
Tornado Warning 5, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Mar 18, 1986, 2:25 PM CST for Jackson Parish, Ouachita Parish, Louisiana. It was in force for 60 min. 3 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 18, 1986, 2:25 PM CST (20:25 UTC)
- Expired
- Mar 18, 1986, 3:25 PM CST
- In force
- 60 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Jackson Parish, LA, Ouachita 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 18, 2:25 PM CST | Tornado F2 | Jackson, LA | |
| Mar 18, 2:25 PM CST | Tornado F2 | Ouachita, LA | |
| Mar 18, 2:42 PM CST | Thunderstorm Wind 0 | Ouachita, 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, 8.4 hours before the alert went out and 211 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
- 39 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 425 m²/s²
- 0-3 km storm-relative helicity
- 481 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 18, 8:40 AM CST, 5 hours 45 minutes before
NEWSPSSHV SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 840 AM CST TUE MAR 18 1986 SLOW MOVING BAND OF SHOWERS AND HEAVY THUNDERSTORMS OVER NORTHEAST TEXAS AND SOUTHWEST ARKANSAS. ANOTHER BAND OVER NORTH LOUISIANA. AT 840 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOWING A BAND OF SHOWERS AND SCATTERED HEAVY THUNDERSTORMS FROM NEAR NASHVILLE ARKANSAS TO NORTHWEST OF TEXARKANA TO NEAR MT PLEASANT TEXAS TO THE TYLER AREA ON TO NEAR PALESTINE TEXAS. THE BAND WAS MOVING EAST NEAR 10 MPH WHILE INDIVIDUAL THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH. HEAVY RAINFALL AND STRONG GUSTY WINDS ALONG WITH FREQUENT LIGHTNING LIKELY OCCURRING. OVER NORTH LOUISIANA A BAND OF SHOWERS AND ISOLATED THUNDERSTORMS WERE OCCURRING FROM SOUTHEAST OF EL DORADO TO SOUTHWEST OF RUSTON TO NEAR NATCHITOCHES THROUGH LOWER TOLEDO BEND LAKE. LITTLE MOVMENT OF THIS SYSTEM WILL TAKE PLACE THIS MORNING. THUNDERSTORMS OVER THE WESTERN SECTIONS OF NORTHEAST TEXAS INTO THE EXTREME SOUTHEAST OKLAHOMA AND ADJACENT AREA OF SOUTHWEST ARKANSAS WILL INCREASE TO VERY STRONG BY LATE MORNING AND BEGIN TO SPREAD EAST. STRONG AND POSSIBLE SEVERE STORMS ARE EXPECTED OVER THE NORTHWEST HALF OF THE ARKLATEX ALONG WITH HEAVY RAINFALL AND EASTWARD OVER THE EASTERN SECTIONS TONIGHT.
Special weather statement, Mar 18, 9:20 AM CST, 5 hours 5 minutes before
NEWSPSSHV SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 920 AM CST TUE MAR 18 1986 SLOW MOVING BAND OF SHOWERS AND HEAVY THUNDERSTORMS OVER NORTHEAST TEXAS AND SOUTHWEST ARKANSAS. ANOTHER BAND OVER NORTH LOUISIANA. AT 920 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOWING A BAND OF SHOWERS AND SCATTERED HEAVY THUNDERSTORMS FROM NEAR NASHVILLE ARKANSAS TO NORTHWEST OF TEXARKANA TO THE LONGVIEW AREA ON TO NEAR CROCKETTE TEXAS.AR PALESTINE TEXAS. THE BAND WAS MOVING EAST NEAR 15 MPH ALONG ITS SOUTHERN FLANK AND LESS THAN 10 MPH ALONG ITS NORTHERN FLANK. HEAVY RAINFALL OF ONE TO OVER TWO INCHES FALLING IN ONE HOURS TIME WITH THIS BAND...ALSO GUSTY WINDS OF 30 TO 45 MPH REPORTED. SOME STREET FLOODIG WILL DEVELOP. OVER NORTH LOUISIANA A BAND OF SHOWERS AND ISOLATED THUNDERSTORMS WERE OCCURRING FROM SOUTHEAST OF EL DORADO TO SOUTHWEST OF RUSTON TO NEAR NATCHITOCHES THROUGH LOWER TOLEDO BEND LAKE. LITTLE MOVMENT WILL OCCUR ON THIS SYSTEM THIS MORING. THUNDERSTORMS OVER THE WESTERN SECTIONS OF NORTHEAST TEXAS INTO THE EXTREME SOUTHEAST OKLAHOMA AND ADJACENT AREA OF SOUTHWEST ARKANSAS WILL INCREASE TO VERY STRONG BY LATE MORNING WHILE SPREADING EAST. STRONG AND POSSIBLE SEVERE STORMS ARE EXPECTED OVER THE NORTHWEST HALF OF THE ARKLATEX ALONG WITH HEAVY RAINFALL AND EASTWARD OVER THE EASTERN SECTIONS TONIGHT.
Special weather statement, Mar 18, 10:11 AM CST, 4 hours 14 minutes before
NEWSPSSHV SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1010 AM CST TUE MAR 18 1986 LINE OF SHOWERS AND HEAVY THUNDERSTORMS CONTINUE TO SPREAD EAST ACROSS NORTHEAST TEXAS AND SOUTHWEST ARKANSAS. FOWARD SPEED OF LINE HAS INCREASED TO NEAR 25 MPH THUR RAINFALL AMOUNTS AT ANY GIVEM LOCATION NOW LIMITIED TO GENERALLY LESS THAN ONE INCH. GUSTY WINDS OF 20 TO 35 MPH ALSO OCCURRING. AT 1010 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOW ING THE 20 MILE WIDE LINE OF SHOWERS AND HEAVY THUNDERSTORMS FRM NEAR HOT SPRINGS ARKANSAS TO TEXARKANA TO NEAR MARSHALL TEXAS ON TO NEAR NACOGDOCHES TEXAS. STRONGEST THUNDERSTORMS WERE FROM THE TEXARKANA AREA SOUTHWARD TO NEAR MARSHALL AND HENDERSON TEXAS. . THE LINE WILL CONTINUE TO OVERSPREAD THE REMAINDER OF NORTHEAST TEXAS AND SOUTHWEST ARKANSAS AND WILL ENTER THE NORTHWEST TIP OF LOUISIANA BY 1030 AM CST...AND CONTINUE TO SPREAD EAST. THE LINE WILL SLOW ONCE AGAIN BY THE NOON HOUR. MEANWHILE...ANOTHER BAND BAND OF SHOWERS AND ISOLATED THUNDERSTORMS WERE LOCATED FROM THE OUACHITA RIVER WEST OF HAMBURG ARKANSAS TO NEAR RUSTON IN NORTHCENTRAL LOUISIANA TO NEAR NATCHITOCHES LOUISIANA. LITTLE OR NO MOVMENT ON THE SYSTEM...THUNDERSTORMS MOVING NORTHEAST NEAR 30 MPH. OTHER SHOWERS AND THUNDERSTORMS WILL DEVELOP OVER NORTHWEST AND CENTRAL LOUISIANA AS THE SYSTEM FROM THE WEST APPROCHES. ALSO..LATER TODAY THUNDERSTORMS WILL LIKELY REFORM OVER THE WESTERN PARTS OF NORTHEAST TEXAS AND THE ADJACENT AREAS AND SPREAD EAST..STRONG AND POSSIBLY SEVERE STORMS WILL DEVELOP AND AFFECT THE AREA LATER THIS AFTERNOON AND TONIGHT.
Special weather statement, Mar 18, 11:20 AM CST, 3 hours 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1120 AM CST TUE MAR 18 1986 BAND OF SHOWERS AND THUNDERSTORMS CONTINUE TO SPREAD EAST...STRONG GUSTY WINDS OF 30 TO 45 MPH ALONG WITH HEAVY RAINFALL OCCURRING. AT 1120 AM CST THE NATIONAL WEAHTHER SERVICE RADAR IN SHREVEPORT WAS SHOWING THE BAND OF SHOWERS AND HEAVY THUNDERSTORMS FROM PRESCOTT AND MAGNOLIA ARKANSAS SOUTHWARD ACROSS THE SHREVEPORT AREA ON TO NEAR CENTER TEXAS. THE SYSTEM WAS MOVING TO THE EAST NEAR 25 MPH. ANOTHER BAND OF SHOWERS AND THUNDERSTORMS WERE LOCATED FROM MANSFIELD LOUISIANA ACROSS TOLEDO BEND LAKE TO NEAR WOODVILLE IN EAST CENTRAL TEXAS. YET ANOTHER BAND OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM NEAR OAK GROVE IN NORTHEAST LOUISIANA TO JUST NORTHWEST OF ALEXANDRIA. THESE SYSTEMS WILL CONTINUE TO SPREAD EAST THIS AFTERNOON...AND THUNDERSTORMS ARE EXPECTED TO REFORM OVER THE WESTERN SECTIONS OF NORTHEAST TEXA:S AND SPREAD EASTWARD ACROSS THE ARKLATED TONIGHT. A FEW OF THESE STORMS WILL REACH STRONG AND POSSIBLE SEVERE INTENSITY.
Special weather statement, Mar 18, 12:39 PM CST, 1 hour 46 minutes before
NEWSPSSHV SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1240 PM CST TUE MAR 18 1986 BAND OF HEAVY THUNDERSTORMS CONTINUES MOVING ACROSS NORTHERN LOUISIANA THE SHREVEPORT WEATHER RADAR AT 12:35 PM SHOWED THE BAND OF HEAVY THUNDERSTORMS FROM NEAR FORDYCE AND CAMDEN ARKANSAS EXTENDING SOUTHWESTWARD ACROSS ELDORADO ARKANSAS...THROUGH HOMER...ARCADIA AND COUSHATTA LOUISIANA ON TO 30 MILES SOUTHEAST OF LUFKING TEXAS. THE: BAND OF HEAVY THUNDERSTORMS WILL CONTINUE TO MOVE EASTWARD AT NEAR 25 MPH ACROSS NORTHCENTRAL AND NORTHEAST LOUISIANA THIS AFTERNOON. HEAVY RAIN...STRONG GUSTY WINDS AND LIGHTNING WILL OCCUR.
Special weather statement, Mar 18, 1:40 PM CST, 45 minutes before
NEWSPSSHV SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 140 PM CST TUE MAR 18 1986 SHOWERS AND HEAVY THUNDERSTORMS CONTINUE OVER NORTHERN LOUISIANA AT 1:35 PM CST THE SHREVEPORT WEATHER RADAR CONTINUED TO SHOW THE LINE OF HEAVY THUNDERSTORMS FROM NEAR WARREN AND EL DORADO ARKANSAS SOUTHWESTWARD ACROSS RUSTON AND JONESBORO LOUISIANA ON TO THE TOLEDO BEND COUNTRY WEST OF LEESVILLE. HEAVY THUNDERSTORMS WERE DEVELOPING OVER NORTHEAST LOUISIANA AHEAD OF THE LINE...FROM ABOUT 15 MILES EAST OF BASTROP THROUGH JUST WEST OF WINNSBORO TO JUST NORTHEAST OF ALEXANDRIA. MOVEMENT WAS TO THE EAST NEAR 25 MPH. THE THUNDERSTORMS DEVELOPING OVER NORTHEAST LOUISIANA WIZLL LIKELY PRODUCE VERY HEAVY RAINFALL...STRONG GUSTY WINDS AND HAIL. THE LINE OF THUNDERSTORMS OVER NORTHCENTRAL LOUISIANA WILL CONTINUE MOVING EASTWARD AND WILL PRODUCE STRONG GUSTY WINDS AND HEAVY RAIN.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 1:45 PM CST | Severe Thunderstorm Warning | SHV | East Carroll, West Carroll | 60 min |
| Mar 18, 2:35 PM CST | Severe Thunderstorm Warning | SHV | Madison, Tensas | 65 min |
| Mar 18, 2:35 PM CST | Severe Thunderstorm Warning | SHV | Morehouse, West Carroll | 65 min |
Nearby
Tornado Warnings in Louisiana, 1986Every tornado warning in 1986Tornadoes in 1986
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.