Alert archive / Louisiana / Flash Flood Warnings in 1987
Flash Flood Warning 2, NWS Shreveport, LA
NWS Shreveport, LA issued this flash flood warning at Nov 16, 1987, 12:30 AM CST for Bossier Parish, Caddo Parish, De Soto Parish, Louisiana. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Nov 16, 1987, 12:30 AM CST (06:30 UTC)
- Expired
- Nov 16, 1987, 4:00 AM CST
- In force
- 4 hr
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Bossier Parish, LA, Caddo Parish, LA, De Soto 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 00:00Z, 6.5 hours before the alert went out and 81 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
- 1248 J/kg
- Mixed-layer CIN
- -15 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 287 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 2.5
- Supercell composite
- 9.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSHV 160630 FFWSHV LAC017-015-031-161000- BULLETIN...EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SHREVEPORT LA 1230 AM CST MON NOV 16 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 4:00 AM CST FOR PEOPLE IN THE FOLLOWING COUNTIES/PARISHES IN NORTHWEST LOUISIANA...CADDO...BOSSIER AND DESOTO. HEAVY RAINS CONTINUE TO FALL ACROSS NORTHWEST LOUISIANA WHERE THREE TO FIVE INCHES OF RAIN HAS ALREADY FALLEN TONIGHT. FLOODING WILL DEVELOP ESPECIALLY IN LOW AREAS AND POOR DRAINAGE AREAS. SOME ROADWAYS WILL BE AFFECTED. AT 12:30 AM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A 75 MILE WIDE AREA OF SHOWERS AND THUNDERSTORMS THAT EXTENDED FROM NEAR PRESCOTT ARKANSAS ACROSS SHREVEPORT TO NEAR LUFKIN TEXAS. HEAVY RAINS WERE NOTED IN A 15 MILE WIDE BAND FROM NEAR SPRINGHILL LOUISIANA TO SHREVEPORT TO NEAR PLEASANT HILL. THE FLASH FLOOD WARNING ISSUED EARLIER FOR EASTERN HA4RRISON COUNTY IN NORTHEAST TEXAS WILL EXPIRE AT 1 AM HOWEVER RUNOFF IS INCOMPLETE AND SOME MINOR FLOODING WILL LIKELY BE EXPERIENCED FOR THE HOUR OR SO.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Nov 15, 8:30 PM CST, 4 hours before
STORM REPORT NATIONAL WEATHER SERVICE SHREVEPORT LA 825 PM CST SUN NOV 15 1987 PRELIMINARY REPORT ON LONG TRACK TORNADO THAT MOVED ACROSS EAST CENTRAL TEXAS INTO NORTHWEST LOUISIANA. APPARENTLY A MAJOR TORNADO STRIKE WITH DAMAGE AND INJURIES. TORNADO DAMAGE REPORTED FROM NEAR JERICO TEXAS...IN CENTER TEXAS... NEAR JOAQUIN TEXAS...IN KEATCHIE LOUISIANA...LONGSTREET LOUISIANA... STONEWALL LOUISIANA AND THE SOUTHERN PART OF SHREVEPORT. NUMEROUSS TREES AND POWER LINES DOWN...MOBILE HOMES DESTROYED...ROOFS OFF SEVERAL BUILDINGS...HOMES AND BUSINESS DAMAGED OR DESTROYED ALL ALONG THE TRACK.
Special weather statement, Nov 15, 10:32 PM CST, 1 hour 58 minutes before
SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1020 PM CST SUN NOV 15 1987 ...THE SEVERE THUNDERSTORM WARNING ISSUED EARLIER HAS EXPIRED... ...A TORNADO WATCH REMAINS IN EFFECT FOR THE ARKLATEX TONIGHT... AT 10:10 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A BAND OF SHOWERS AND THUNDERSTORMS ABOUT 45 MILES WIDE THAT EXTENDED FROM NEAR WARREN ARKANSAS ACROSS THE MONROE AND COLUMBIA AREAS TO NEAR OBERLIN LOUISIANA. WITHIN THIS BAND STRONG THUNDERSTORMS WERE NOTED NEAR RAYVILLE AND SOUTHWEST OF COLUMBIA LOUISIANA. MOVEMENT WAS NORTHEAST NEAR 30 MPH. ANOTHER BAND OF SHOWERS AND THUNDERSTORMS ABOUT 50 MILES WIDE EXTENDED FROM NEAR PRESCOTT ARKANSAS ACROSS SHREVEPORT TO NEAR LUFKIN TEXAS. STRONG STORMS WERE LOCATED FROM PLAIN DEALING TO WEST OF SHREVEPORT. MOVEMENT WAS EAST NEAR 5 MPH. STRONG TO HIGH WIND GUSTS AND HEAVY RAINS OF ONE TO THREE INCHES WHICH WILL CAUSE SOME STREET AND LOW AREA FLOODING CONTINUE TO ACCOMPANY THE STORMS.
Special weather statement, Nov 16, 12:05 AM CST, 25 minutes before
SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 1155 PM CST SUN NOV 15 1987 ...A TORNADO WATCH REMAINS IN EFFECT FOR THE PARTS OF THE ARKLATEX... AT 11:45 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED A BAND OF SHOWERS AND THUNDERSTORMS ABOUT 70 MILES WIDE THAT EXTENDED FROM NEAR NASHVILLE ARKANSAS ACROSS SHREVEPORT TO NEAR WOODVILLE TEXAS. WITHIN THIS BAND HEAVY THUNDERSTORMS WERE NOTED FROM NEAR PLAIN DEALING LOUISIANA TO SHREVEPORT TO MANSFIELD LOUISIANA. THE STORMS WERE MOVING NORTHEAST NEAR 20 MPH...WHILE THE SYSTEM WAS DRIFTING EAST NEAR 5 MPH. ANOTHER BAND OF SHOWERS AND THUNDERSTORMS ABOUT 50 MILES WIDE EXTENDED FROM NEAR HAMBURG ARKANSAS ACROSS MONROE TO ALEXANDRIA LOUISIANA. HEAVY STORMS WERE LOCATED FROM MONROE TO COLUMBIA AND NEAR HARRISONBURG. MOVEMENT WAS NORTHEAST NEAR 35 MPH. STRONG TO HIGH WIND GUSTS AND HEAVY RAINS OF ONE TO THREE INCHES WHICH WILL CAUSE SOME STREET AND LOW AREA FLOODING CONTINUE TO ACCOMPANY THE STORMS. A FLASH FLOOD WARNING REMAINS IN EFFECT FOR PARTS OF CADDO PARISH AND HARRISON COUNTY. THE STORMS OVER CENTRAL LOUISIANA ARE INCREASING AND MAY REQUIRE WARNINGS WITHIN THE HOUR.
The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 15, 6:20 PM CST | Severe Thunderstorm Warning | SHV | Bossier, Caddo, De Soto | 70 min |
| Nov 15, 6:25 PM CST | Tornado Warning | SHV | Bossier, Caddo | 65 min |
| Nov 15, 6:25 PM CST | Tornado Warning | SHV | De Soto | 65 min |
| Nov 15, 7:25 PM CST | Tornado Warning | SHV | Bossier, Caddo, Webster | 65 min |
| Nov 15, 9:15 PM CST | Severe Thunderstorm Warning | SHV | Morehouse, Ouachita, Richland | 60 min |
| Nov 16, 12:20 AM CST | Tornado Warning | SHV | Franklin, Tensas | 70 min |
| Nov 16, 1:45 AM CST | Severe Thunderstorm Warning | SHV | Franklin, Tensas | 60 min |
| Nov 16, 3:20 AM CST | Severe Thunderstorm Warning | SHV | Tensas | 55 min |
| Nov 16, 4:15 AM CST | Flash Flood Warning | SHV | Caldwell, Jackson, Winn | 2 hr |
| Nov 16, 5:05 AM CST | Severe Thunderstorm Warning | SHV | Madison | 55 min |
| Nov 16, 9:47 AM CST | Severe Thunderstorm Warning | SHV | Bossier, Webster | 58 min |
| Nov 16, 9:47 AM CST | Severe Thunderstorm Warning | SHV | Caddo | 58 min |
| Nov 16, 10:00 AM CST | Flash Flood Warning | SHV | Caldwell, Franklin, Jackson, Ouachita, Winn | 4 hr |
| Nov 16, 10:00 AM CST | Flash Flood Warning | SHV | De Soto, Sabine | 4 hr |
| Nov 16, 10:00 AM CST | Flash Flood Warning | SHV | Bienville, Bossier, Caddo, Natchitoches, Red River | 4 hr |
| Nov 16, 10:00 AM CST | Flash Flood Warning | SHV | Claiborne, Webster | 4 hr |
| Nov 16, 1:10 PM CST | Severe Thunderstorm Warning | SHV | Franklin, Madison, Tensas | 58 min |
| Nov 16, 4:25 PM CST | Flash Flood Warning | SHV | Caldwell, Ouachita | 4 hr |
| Nov 16, 4:25 PM CST | Flash Flood Warning | SHV | Franklin, Madison, Richland, Tensas | 4 hr |
Nearby
Flash Flood Warnings in Louisiana, 1987Every flash flood warning in 1987
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.