Alert archive / Louisiana / Tornado Warnings in 1987
Tornado Warning 4, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Nov 15, 1987, 6:25 PM CST for Bossier Parish, Caddo Parish, Louisiana. It was in force for 65 min. 2 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 15, 1987, 6:25 PM CST (00:25 UTC)
- Expired
- Nov 15, 1987, 7:30 PM CST
- In force
- 65 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Bossier Parish, LA, Caddo 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 15, 7:00 PM CST | Tornado F3 | Caddo, LA | |
| Nov 15, 7:40 PM CST | Tornado F1 | Bossier, 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, 0.4 hours before the alert went out and 86 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 160031 RRA
TORSHV
TXC315-067-419-365-LAC031-015-017-160130-
BULLETIN...EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
625 PM CST SUN NOV 15 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 7:30 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES/PARISHES IN
NORTHEAST TEXAS...MARION...CASS...NORTHEAST HALF OF SHELBY AND THE
SOUTHEAST HALF OF PANOLA.
NORTHWEST LOUISIANA...DE SOTO...SOUTHERN HALF OF CADDO AND THE SOUTHERN
HALF OF BOSSIER.
AT 6:23 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
POSSIBLE TORNADOES LOCATED NEAR LOGANSPORT LOUISIANA AND ANOTHER NEAR
THE NORTHWEST SHORE OF LAKE OF THE PINES...NORTHEAST OF CEDAR SPRINGS.
.
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 SOME=THING 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 15, 1:29 PM CST, 4 hours 56 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 125 PM CST SUN NOV 15 1987 TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST TEXAS UNTIL 8:00 PM. AT 1:20 PM THE SHREVEPORT WEATHER RADAR AN AREA OF SHOWERS AND VERY HEAVY THUNDERSTORMS FROM JUST SOUTHEAST OF THE DALLAS-FORT WORTH AREA EXTENDING THROUGH JUST WEST OF PARIS TEXAS TO 25 EAST OF MC ALESTER OKLAHOMA. HEAVIEST ACTIVITY WAS LOCATED JUST WEST OF PARIS. ANOTHER VERY HEAVY THUNDERSTORM WAS LOCATED ABOUT 15 MILES NORTH NORTHEAST OF COLLEGE STATION TEXAS...WITH SCATTERED LIGHT TO MODERATE SHOWERS DEVELOPING OVER NORTHWEST LOUISIANA AROUND THE SHREVEPORT AREA AND EXTEDNING SOUTHWARD TO AROUND LEESVILLE AND DERIDDER. SHOWERS AND VERY HEAVY THUNDERSTORMS WILL CONTINUE TO INCREASE OVER PORTIONS OF NORTHEAST TEXAS AND SPREAD ACROSS EXTREME NORTHEAST TEXAS AND EXTREME SOUTHEAST OKLAHOMA THIS AFTERNOON... THEN MOVING INTO SOUTHWEST ARKANSAGS AND NORTHWEST LOUISIANA LATER THIS AFTERNOON INTO THIS EVENING. PERSONS IN OR CLOSE TO THE TORNADO WATCH AREA ARE ADVISED TO REMAIN ALERT FOR RAPID LOCAL WEATHER DEVELOPMENTS AND TO LISTEN FOR LATER STATEMENTS OR WARNINGS.
Special weather statement, Nov 15, 2:45 PM CST, 3 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 245 PM CST SUN NOV 15 1987 ...TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST TEXAS UNTIL 800 PM..STRONG THUNDERSTORMS MOVING INTO SOUTHWEST MCCURTAIN COUNTY OKLAHOMA..ISOLATED THUNDERSTORMS DEVELOPING OVER WEST CENTRAL LOUISIANA AND EAST CENTRAL TEXAS... WEATHER SEVICE RADAR SHOWED A BAND OF SHOWERS AND THUNDERSTORMS EXTENDING FROM EXTREME SOUTHEAST OKLAHOMA IN NORTHWEST MCCURTAIN COUNTY SOUTH INTO CENTRAL TEXAS. STRONGEST ACTIVITY WAS IN RED RIVER VALLEY BETWEEN HUGO AND WRIGHT CITY. THE BAND OF SHOWERS AND THUNDERSTORMS WAS MOVING SOUTHEAST AT 15 MPH AND INDIVIDUAL CELLS WERE MOVING NORTHEAST AT 30 TvO 35 MPH. RADAR ALSO SHOWED SCATTERED SHOWERS AND THUNDERSTORMS FROM EAST TEXAS NEAR LUFKIN EAST INTO WEST CENTRAL LOUISIANA. STRONGER THUNDERSTORMS WERE LOCATED NEAR CONVERSE AND ZWOLLE LOUISIANA. MOVEMENT WAS TO THE NORTH AT 30 MPH.
Special weather statement, Nov 15, 4:11 PM CST, 2 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 410 PM CST SUN NOV 15 1987 ...TORNADO WATCH IS IN EFFECT FOR PORTIONS OF NORTHEAST TEXAS UNTIL 800 PM... ...FLASH FLOOD WATCH IN EFFECT FOR NORTH CENTRAL AND NORTHEAST TEXAS FOR THIS AFTERNOON..TONIGHT AND MONDAY..AND SOUTHWEST ARKANSAS TONIGHT... WEATHER SERVICE RADAR AT 400 PM SHOWED A BAND OF SHOWERS AND THUNDER- STORMS EXTENDING FROM EXTREME SOUTHEAST OKLAHOMA IN NORTHEAST MCCURTAIN COUNTY SOUTH INTO CENTRAL AND EAST TEXAS. STRONGEST ACTIVITY WAS LOCATED IN NORTHEAST MCCURTAIN COUNTY OKLAHOMA AND EAST RED RIVER COUNTY TEXAS. ANOTHER AREA OF STRONG THUNDERSTORMS WAS LOCATED IN ANDERSON..HENDERSON AND CHEROKEE COUNTIES TEXAS. THE BAND WAS MOVING TO THE SOUTHEAST AT 15 MPH WHILE THE INDIVIDUAL CELLS WERE MOVING TO THE NORTHEAST AT 30 TO 35 MPH. THE STRONG THUNDERSTORMS IN ANDERSON AND CHEROKEE COUNTIES TEXAS HAVE PRODUCED TORNADOES WITH INJURIES REPORTED. CITIZENS IN LONGVIEW AND TYLER AREAS SHOULD KEEP POSTED TO LATEST DEVELOPMENTS..ESPECIALLY PERSONS IN RUSK AND GREGG COUNTIES. ANOTHER BAND OF SHOWERS AND THUNDERSTORMS WERE LOCATED IN NORTHWEST LOUISIANA EXTENDING FROM JUST NORTHEAST OF RUSTON TO MANY. MOVEMENT WAS TO THE NORTH AT ABOUT 30 MPH. STRONGEST ACTIVITY WAS LOCATED IN SOUTHERN NATCHITOCHES AND SABINE PARISHES.
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 | 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, 12:30 AM CST | Flash Flood Warning | SHV | Bossier, Caddo, De Soto | 4 hr |
| 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
Tornado Warnings in Louisiana, 1987Every tornado warning in 1987Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.