Alert archive / Texas / Tornado Warnings in 1987
Tornado Warning 3, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at Nov 15, 1987, 5:30 PM CST for Gregg County, Harrison County, Marion County, Texas. 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 15, 1987, 5:30 PM CST (23:30 UTC)
- Expired
- Nov 15, 1987, 6:30 PM CST
- In force
- 60 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
Counties Gregg County, TX, Harrison County, TX, Marion County, TX
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, 5:30 PM CST | Tornado F1 | Gregg, TX | |
| Nov 15, 5:45 PM CST | Tornado F1 | Harrison, TX | |
| Nov 15, 6:15 PM CST | Thunderstorm Wind 0 | Marion, TX |
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, 11.5 hours before the alert went out and 30 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
- 161 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 608 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 313 m²/s²
- 0-3 km storm-relative helicity
- 362 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSHV 152330
TORSHV
TXC183-203-315-160030-
BULLETIN...EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
530 PM CST SUN NOV 15 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 630 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES/PARISHES IN
NORTHEAST TEXAS...NORTHWEST HALF OF GREGG..THE NORTHWEST HALF OF
HARRISON..AND THE WESTERN HALF OF MARION
AT 525 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT
SHOWED A TORNADO 8 MILES SOUTH OF GLADEWATER TEXAS MOVING NORTHEAST
NEAR 35 MPH.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 1 minute 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, 2 hours 45 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, 1 hour 19 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, 4:20 PM CST | Severe Thunderstorm Warning | SHV | Gregg, Rusk | 60 min |
| Nov 15, 5:20 PM CST | Severe Thunderstorm Warning | SHV | Harrison, Marion | 70 min |
| Nov 15, 5:20 PM CST | Severe Thunderstorm Warning | SHV | Gregg | 70 min |
Nearby
Tornado Warnings in Texas, 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.