Alert archive / Louisiana / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 113, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Jun 28, 1986, 3:05 PM CDT for Winn Parish, Louisiana. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- Jun 28, 1986, 3:05 PM CDT (20:05 UTC)
- Expired
- Jun 28, 1986, 4:05 PM CDT
- In force
- 60 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County Winn Parish, LA
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 12:00Z, 8.1 hours before the alert went out and 190 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
- 1753 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 765 m above ground
- 0-6 km bulk shear
- 0 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 282009 SVRSHV LAC127-282105- BULLETIN...IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 305 PM CDT SAT JUN 28 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 405 PM CDT FOR PEOPLE IN THE FOLLOWING PARISH IN NORTHCENTRAL LOUISIANA...WINN AT 305 PM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS INDICATING A SEVERE THUNDERSTORM IN NORTHWEST WINN PARISH 15 MILES NORTHWEST OF WINNFIELD LOUISIANA..MOVING SOUTHEAST AT 30 MPH. HIGH DAMAGING WINDS ALONG WITH HAIL AND VERY HEAVY RAINFALL WILL OCCUR WITH THIS STORM AS IT TRACKS SOUTHEAST CROSS WINN PARISH. ALSO..A BAND OF STRONG THUNDERSTORMS CONTINUE TO SPREAD SOUTHWARD ACROSS NORTHWEST LOUISIANA AND NORTHEAST TEXAS...PRODUCING HIGH GUSTY WINDS OF 30 TO 45 MPH...ALONG WITH SPOTTY VERY HEAVY RAIN- FALL AND LIGHTNING STRIKES. THE BAND WAS LOCATED FROM NORTHWEST OF NATCHITOCHES LOUISIANA TO NER SHREVEPORT AND BOSSIER CITY TO NEAR LINDEN TEXAS TO NORTHEAST OF MT PLEASANT TEXAS. THE BAND WAS PRECEEDED BY STORNG TO LOCAL HIGH WIND GUSTS...HEAVY RAINFALL IS SPOTTY...HEAVIEST RAINFALL OVER SOUTHEAST BOSSIER PARISH...SOUTHERN WEBSTER AND NORTHERN RED RIVER. THE SYSTEM WILL CONTINUE TO SPREAD SOUTHEAST ACROSS THE REMAINDER OF NORTHWEST LOUISIANA AND NORTHEAST TEXAS.
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, Jun 28, 10:20 AM CDT, 4 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1015 AM CDT SAT JUN 28 1986 ...ISOLATED STRONG THUNDERSTORMS CONTINUED TO SPREAD SOUTHEAST ACROSS WEST CENTRAL AND SOUTH CENTRAL ARKANSAS INTO NORTHEAST LOUISIANA... AT 10:10AM THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 100 MILE WIDE AREA OF NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS THAT EXTENDED FROM NEAR NATCHEZ MISSISSIPPI NORTHWEST OVER THE BASTROP AND FARMERVILLE LOUISIANA AREAS ON TO NEAR WALDRON ARKANSAS. WITHIN THIS AREA STRONG THUNDERSTORMS WERE INDICATED 10 MILES NORTHWEST OF COLUMBIA LOUISIANA...IN THE EL DORADO ARKANSAS AREA...AND IN A 12 MILE WIDE BAND THAT EXTENDED FROM NORTH OF UMPIRE TO GLENWOOD ARKANSAS. THE STRONG STORMS ARE LIKELY PRODUCING GUSTY WINDS AND HEAVY RAINS WITH THEIR PASSAGE. STRONG STORMS WILL AFFECT THE FARMERVILLE LOUISIANA AREA ONCE AGAIN WITHIN THE NEXT HOUR...ALSO STRONG STORMS WILL SPREAD INTO THE MURFREESBORO AND DIERKS ARKANSAS AREAS WITHIN THE HOUR. ALSO...SCATTERED SHOWERS AND THUNDERSTORMS WERE NOTED IN SOUTHEAST OKLAHOMA AROUND BATTIEST. MOVEMENT OF ALL SHOWER AND THUNDERSTORM ACTIVITY WAS SOUTHEAST NEAR NEAR 25 MPH. A FLASH FLOOD WATCH REMAINS IN EFFECT TODAY FOR NORTHEAST LOUISIANA. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO SPREAD SOUTHEAST OVER NORTHEAST LOUISIANA WHERE ONE TO THREE INCHES OF RAIN HAS ALREADY OCCURRED. LOW AREA AND STREET FLOODING WILL BEGIN TO DEVELOP LATER* THIS MORNING.
Special weather statement, Jun 28, 12:28 PM CDT, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1225 PM CDT SAT JUN 28 1986 ...A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR PARTS OF NORTHEAST LOUISIANA TODAY... ...SHOWERS AND THUNDERDERSTORMS OVER SOUTHERN AND CENTRAL ARKANSAS CONTINUE TO SPREAD SOUTH INTO LOUISIANA... AT 1215 THIS AFTERNOON WEATHER SERVICE RADAR SHOWED A BAND OF SHOWRS AND THUNDERSTORMS..SOME PRODUCING VERY HEAVY RAINFALL.. OVER SOUTHEAST OKLAHOMA..SOUTHERN AND CENTAL ARKANSAS..AND NORTH LOUISIANA MOVING TO THE SOUTHEAST AT 25 MPH. THE BAND EXTENDED FROM NEAR BROKEN BOW OKLAHOMA AND DE QUEEN AND FOREMAN ARKANSAS SOUTHEAST TO HOMER..QUITMAN..AND BASTROP LOUISIANA. THE STRONGER THUNDERSTORMS WERE INDICATED NEAR FULTON..WATERLOO..READER..AND SMACKOVER ARKANSAS AND DUBACK AND HOMER LOUISIANA. THE RAINFALL SPREADING DOWN FROM ARKANSAS INTO LOUISIANA ACROSS UNION AND CLAIBORNE PARISHES WAS FALLING ON SATURATED SOILS AND WILL CAUSE FLOODING OF BAYOUS WHICH MAY AFFECT SOME ROADWAYS. PERSONS TRAVELING IN AND AROUND AREAS THAT ARE IN FLOOD SHOULD BE CAUTIOUS OF WHERE THEY ATTEMPT TO DRIVE.
Special weather statement, Jun 28, 12:51 PM CDT, 2 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1250 PM CDT SAT JUN 28 1986 ...A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR PARTS OF NORTHEAST LOUISIANA TODAY... ...SHOWERS AND STRONG THUNDERSTORMS OVER NORTHEAST TEXAS AND SOUTHWEST ARKANSAS... AT 1245 THIS AFTERNOON RADAR SHOWED A BAND OF SHOWERS AND STRONG THUNDERSTORMS..THAT WERE PRODUCING TORRENTIAL RAINS.. OVER NORTHEAST TEXAS AND SOUTHWEST ARKANSAS FROM NEAR NEW BOSTON EAST TO FOUKE AND STAMPS ARKANSAS. THE BAND WAS MOVING TO THE SOUTH AT 30 MPH. THE SHOWERS AND THUNDERSTORMS WILL MOST LIKELY CONTAIN STRONG GUSTY WINDS..DANGEROUS LIGHTNING..AND BRIEF BUT TORRENTIAL RAINFALL. THEY WILL CONTINUE SPREADING SOUTH THROUGH BOWIE AND CASS COUNTIES IN TEXAS AND MILLER..LAFAYETTE..AND COLUMBIA COUNTIES IN ARKANSAS THEN INTO NORTHERN SECTIONS OF CADDO..BOSSIER..AND WEBSTER PARISHES IN LOUISIANA WITH THE NEXT HOUR OR SO.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 27, 7:20 PM CDT | Tornado Warning | SHV | Claiborne, Webster | 70 min |
| Jun 28, 1:30 PM CDT | Severe Thunderstorm Warning | SHV | Bossier, Webster | 70 min |
Nearby
Severe Thunderstorm Warnings in Louisiana, 1986Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive.