Alert archive / Louisiana / Tornado Warnings in 1986
Tornado Warning 28, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Nov 7, 1986, 7:20 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
- Nov 7, 1986, 7:20 PM CST (01:20 UTC)
- Expired
- Nov 7, 1986, 8:20 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 |
|---|---|---|---|
| Nov 7, 7:20 PM CST | Tornado F2 | Jackson, LA | |
| Nov 7, 7:30 PM CST | Thunderstorm Wind 0 | Jackson, LA | |
| Nov 7, 7:40 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 00:00Z, 1.3 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
- 1195 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 574 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 309 m²/s²
- 0-3 km storm-relative helicity
- 341 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 9.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 080126 TORSHV LAC049-073-080220- BULLETIN...EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 720 PM CST FRI NOV 7 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 820 PM CST FOR PEOPLE IN THE FOLLOWING PARISHES IN NORTH LOUISIANA...JACKSON AND OUACHTIA AT 720 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOWING A SEVERE THUNDERSTORM 5 MILES EAST OF JONESBORO OR 8 MILES WEST OF CHATHAM LOUISIANA...TORNADO REPORTED NEAR SOUTH JONESBORO. THE STORM WAS MOVING NORTHEAST AT 30. 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, Nov 7, 1:23 PM CST, 5 hours 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 120 PM CST FRI NOV 7 1986 A LARGE AREA OF RAIN AND SHOWERS CONTINUE TO SPREAD NORTHEAST ACROSS NORTHEAST TEXAS...SOUTHWEST AND SOUTHCENTRAL ARKANSAS AND THE NORTHWEST TIP OF LOUISIANA ALONG WITH ISOLATED THUNDERSTORMS. RAINFALL OF ONE TO TWO INCHES OCCURRED OVER THE SOUTHEAST HALF OF THE AREA LAST NIGHT..THUS FAR TODAY ONE TO TWO INCHE AMOUNTS HAVE OCCURRED OVER EXTREME NORTHWEST LOUISIANA AND THE ADJACENT AREAS OF NORTHEAST TEXAS ALONG WITH SOUTHWEST ARKANSAS. STAMPS ARKANSAS REPORTS 2.03 INCHES ENDING AT 1 PM CST. A CHANGE EXPECTED LATE TODAY AND TONIGHT...STRONG THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER THE WESTERN AND SOUTHERN SECTIONS OF THE AREA AND AND AFFECT MUCH OF THE AREA BEFORE THE NIGHT IS OVER. A FEW SEVERE STORMS ARE POSSIBLE. EARLY THIS AFTERNOON A SURFACE WARM FRONT WAS DRIFTING SLOWLY NORTHWARD OVER THE SOUTHERN SECTIONS OF NORTH LOUISIANA AND EAST CENTRAL TEXAS. THE LARGE AREA OF RAIN AND SHOWERS WERE OCCURRING ABOUT 75 TO 100 MILES NORTH OF THE FRONT...IN A 70 MILES WIDE AREA FROM CAMDEN ARKANSAS TO THE TEXARKANA/CADDO LAKE AREA TO THE LONGVIEW AREA. IN WAKE OF THE LARGE AREA OF RAINFALL...LOW CLOUDS...DRIZZLE AND FOG COVERED MUCH OF NORTH LOUISIANA AND THE ADJACENT AREA OF EAST CENTRAL TEXAS. VISIBILITIES WERE BELOW ONE HALF MILE IN MANY AREAS. WARM AIR WAS SPREADING NORTHWARD OVER THE SOUTHERN SECTIONS OF NORTH LOUISIANA AND NORTHEAST TEXAS...TEMOERATURES WARMING INTO THE 70S... AND THUNDERSTORMS WERE DEVELOPING IN THE WARM AIR OVER THE LOWER PART OF TOLEDO BEND LAKE.
Special weather statement, Nov 7, 3:18 PM CST, 4 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 305 PM CST FRI NOV 7 1986 STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER EAST CENTRAL TEXAS INTO WEST CENTRAL LOUISIANA. THESE STORMS WILL CONTINUE TO INCREASE AND SPREAD NORTHEASTWARD OVER THE SOUTHERN SECTIONS OF NORTHEAST TEXAS AND THE SOUTHERN SECTIONS OF NORTH WEST LOUISIANA INTO NORTHCENTRAL LOUISIANA. SEVERE STORMS ARE POSSIBLE ALONG WITH HEAVY RAINFALL. AT 305 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOW ING A BAND OF THUNDERSTORMS FROM 30 MILES SOUTHEAST OF RUSTON IN NORTH CENTRAL LOUISIANA ACROSS THE NATCHITOCHES AREA...ACROSS TOLEDO BEND LAKE TO JUST SOUTHEAST OF CENTER TEXAS TO THE LUFKIN AREA ON SOUTHWEST. STRONG THUNDERSTORMS WERE INDICATED AT 310 PM CST JUST NORTHWEST OF NATCHITOCHES..JUST SOUTHEAST OF CENTER TEXAS IN THE LUFKIN AREA ON SOUTHWEST OF LUFKIN. VERY STRONG THUNDERSTORMS NEAR THE LUFKIN AREA ...MOVING NORTHEAST AT 35 MPH. ANOTHER BAND OF SHOWERS AND THUNDERSTORMS WERE REORGANIZING OVER SOOTH WEST ARKANSAS AND NORTHEAST TEXAS...FROM NEAR PRESCOTT ARKANSAS TO SOUTHEAST OF TEXARKANA TO 20 MILES SOUTHEAST OF LONGVIEW TO NEAR HENDERSON. THESE STORMS WILL INCREASE OVER THE NEXT FEW HOURS. STRONG AND POSSIBLE SEVERE STORMS WILL DEVELOP OVER PARTS OF EAST CENTRAL TEXAS INTO NORTHWEST AND CENTRAL LOUISIANA. LATER THIS EVENING A THREAT OF STRONG AND SEVERE STORMS WILL DEVELOP OVER THE NORTHWEST SECTIONS OF THE AREA AND SPREAD EAST.
Special weather statement, Nov 7, 4:14 PM CST, 3 hours 6 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 410 PM CST FRI NOV 7 1986 BAND OF SHOWERS AND SCATTERED STRONG THUNDERSTORMS CONTINUE TO DEVELOP FROM NORTHCENTRAL LOUISIANA SOUTHWESTWARD ACROSS THE TOLEDO BEND COUNTRY INTO EAST CENTRAL TEXAS. A TORNADO WATCH IS IN EFFECT FOR EAST CENTRAL TEXAS ACROSS THE TOLEDO BEND COUNTRY ACROSS MUCH OF NORTH AND CENTRAL LOUISIANA. AT 410 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOW ING THE BAND OF SHOWERS AND THUNDERSTORMS FROM NEAR MONROE LOUISIANA TO NEAR JONESBORO TO 15 MILES NORTH OF NATCHITOCHES...ACROSS TOLEDO BEND LAKE TO SOUTHEAST OF CENTER TEXAS TO SOUTHEAST OF LUFKIN. STRONG THUNDERSTORMS WERE SOUTHWEST OF THE JONESBORO/HODGE AREA OF NORTH CENTRAL LOUISIANA...OVER TOLEDO BEND LAKE EAST OF CENTER TEXAS AND NORTH EAST OF LUFKIN TEXAS. . THE STORMS CONTINUE TO MOVE NOTHEAST AT 35 MPH...HOWEVER THERE IS NOW A SLIGHT EASTWARD MOVMENT ON THE OVERALL SYSTEM. THE STORMS APPROCHING THE JONESBOR AREA WERE INCREASING AND MAY PRODUCE HIGH WINDS. ALSO THE STORMS APROCHING TOLEDO BEND LAKE WERE INCREASING AND WILL LIKELY PRODUCE HIGH WINDS. ANOTHER BAND OF SHOWERS AND THUNDERSTORMS WERE LOCATED FROM NORTH WEST OF CAMDEN ARKANSAS TO NEAR LEWSIVILLE ACROSS THE NORTHWEST TIP OF LOUISIANA TO NEAR MARSHALL AND LONGVIEW TEXAS. THIS SYSTEM WAS MOVING EAST SOUTHEAST NEAR 10 MPH. PATCHES OF RAIN AND SCATTERED SHOWERS WERE OVER SOUTHCENTRAL ARKANS!AS AND NORTHCENTRAL LOUISIANA. ADDITONAL HEAVY RAINFALL WILL OCCUR TONIGHT ACROSS THE AREA...AND LOW AREA FLOODING MAY DEVELOP AS THE GROUND IS SATURDATED FROM RAINFALL OF TWO TO OVER FOUR INCHES THIS WEEK.
Local storm report, Nov 7, 6:26 PM CST, 54 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
618 PM CST FRI NOV 7 1986
555 PM CST ...WIND DAMAGE REPORTED BY THE NATCHITOCHES SHERIFFS OFFICE
605 PM CST... BETWEEN POWHATTA AND ARMISTEAD LOUISIANA ALSO NORTHEAST
OF ALLEN...NUMEROUS TREES DOWN...POWER LINES DOWN...ROADS
BLOCKED. DAMAGE IN SOUTHERN RED RIVER AND NORTHERN
NATCHITOCHES PARISH.Local storm report, Nov 7, 7:11 PM CST, 9 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
655 PM CST FRI NOV 7 1986
555 PM CST ...WIND DAMAGE REPORTED BY THE NATCHITOCHES SHERIFFS OFFICE
605 PM CST... BETWEEN POWHATTA AND ARMISTEAD LOUISIANA ALSO NORTHEAST
OF ALLEN...NUMEROUS TREES DOWN...POWER LINES DOWN...ROADS
BLOCKED. DAMAGE IN SOUTHERN RED RIVER AND NORTHERN
NATCHITOCHES PARISH.
UPDATE AT 655 PM CST
528 PM CST...NUMEROUS TREES DOWN SOUTHEAST OF PLEASANT HILL LOUISIANA
...SABINE PARISH.
540 PM CST...NUMEROUS TREES DOWN...POWER LINES DOWN BETWEEN POWHATTAN
AND BELMONT LOUISIANA...NATCHITOCHES PARISH.
558 PM CST...NUMEROUS TREES DOWN AT MESSICK LOUISIANA...RED RIVER
RED RIVER PARISH
TROOP E ALEXANDRIA REPORTS THAT HIGHWAY ONE IS BLOCKED AT THE RED RIVER
AND NATCHITOCHES PARISH LINE AT 605 PM CST.
LA 480 WAS BLOCKED EAST BANK AT THE THE RAILROAD TRACKS...UNION PACIFIC
NOTIFIED.
640 PM CST...NUMEROUS TREES BLOWN DOWN 15 MILES NORTHWEST OF DODSON
LOUISIANA WEST OF THE DOGOMMAN RIVER...WINN PARISH
700 PM CST...FUNNEL CLOUD 4 MILES SOUTHWEST OF JONESBORO LOUISIANA
...JACKSON PARISH.The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 7, 6:30 PM CST | Severe Thunderstorm Warning | SHV | Bienville, Jackson, Winn | 60 min |
| Nov 8, 2:20 PM CST | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 80 min |
| Nov 8, 2:20 PM CST | Severe Thunderstorm Warning | SHV | Bossier, Caddo | 80 min |
| Nov 8, 2:20 PM CST | Severe Thunderstorm Warning | SHV | Union | 80 min |
| Nov 8, 4:10 PM CST | Severe Thunderstorm Warning | SHV | Claiborne, Webster | 50 min |
| Nov 8, 4:10 PM CST | Severe Thunderstorm Warning | SHV | Bossier | 50 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.