Alert archive / Texas / Tornado Warnings in 1987
Tornado Warning 1, NWS Lake Charles, LA
NWS Lake Charles, LA issued this tornado warning at Jan 24, 1987, 8:45 PM CST for Nacogdoches County, Texas. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Jan 24, 1987, 8:45 PM CST (02:45 UTC)
- Expired
- Jan 24, 1987, 9:30 PM CST
- In force
- 45 min
- Issued by
- NWS Lake Charles, LA
- Area
- Whole counties
County Nacogdoches County, TX
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, 2.8 hours before the alert went out and 82 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
- 380 J/kg
- Mixed-layer CIN
- -19 J/kg
- Mixed-layer LCL
- 1556 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBPT 250245
TORBPT
TXC347-250330-
BULLETIN-EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PORT ARTHUR TX
845 PM CST SAT JAN 24 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING FOR PERSONS
IN THE FOLLOWING COUNTIES OF NACOGDOCHES EFFECTIVE UNTIL 930 PM
TONIGHT.
THE POLICE DEPARTMENT IN NACOGDOCHES REPORTED A POSSIBLE TORNADO
NEAR NACOGDOCHES MOVING EAST AT 40 MPH.
PERSONS I|N NACOGDOCHES COUNTY SHOULD SEEK SHELTER IMMEDIATELY.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, Jan 24, 6:47 PM CST, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 640 PM CST SAT JAN 24 1987 ...STRONG THUNDERSTORMS INCREASING RAPIDLY IN SOUTHWEST LOUISIANA... AT 625 PM THE NATIONAL WEATHER SERVICE RADAR SHOWED ISOLATED THUNDER STORMS INCREASING RAPIDLY A LITTLE NORTHEAST OF JENNINGS. THESE THUNDERSTORMS WERE MOVING NORTHEAST AT ABOUT 30 MILES AN HOUR AND WILL MOVE ACROSS ALLEN...ACADIA...PARISHES BY 7PM AND INTO EVANGELINE PARISH BETWEEN 7PM AND 730. PERSONS IN THESE PARISHES SHOULD BE ALERT FOR BRIEF PERIODS OF HEAVY RAIN...STRONG GUSTY WINDS...ALONG WITH DANEROUS LIGHTNING. OTHERWISE RADAR SHOWED SHOWERS AND LARGE PATCHES OF RAIN INCREASING JUST OFF SHORE SOUTH OF CAMERON OUT TO BEYOND 50 MILES SOUTH OF SABINE PASS. THUNDERSTORMS WERE INCREASING IN NORTHEAST TEXAS A LITTLE NORTHEAST OF LUFKIN EXTENDING INTO NORTHWEST LOUISIANA ACROSS MANFIELFS. PATCHES OF RAIN WERE DECREASING AROUND BATON ROUGE. DTHUNDERSTORMS AND RAIN WILL LIKELY CONTINUE TO INCREASE IN SOUTHWEST AND CENTRAL LOUISIANA DURING THE NIGHT.
Special weather statement, Jan 24, 7:45 PM CST, 1 hour before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE LAKE CHARLES LA 740 PM CST SAT JAN 24 1987 ...THUNDERSTORMS CONTINUE TO INCREASE IN SOUTHWEST AND CENTRAL LOUISIANA... AT 725 PM THE NATIONAL WEATHER SERVICE RADAR SHOWED STRONG THUNDER STORMS JUST EAST OF EUNICE AND THUNDERSTORMS INCREASING ALONG THE COAST NEAR WHITE LAKE. STRONG THUNDERSTORMS EXTENDED INTO THE GULF OF MEXICO FROM JUST SOUTH OF WHITE LAKE OUT TO BEYOND 80 MILES SOUTH OF SABINE PASS. ADDITIONAL STRONG THUNDERSTORMS WERE INCREASING FROM THE NORTH PART OF TOLEDO BEND TO JUST WEST OF LEESVILLE. THESE THUNDERSTORMS WERE SPREADING EAST AND NORTHEAST AT 30 MILES AN HOUR. BEIEF PERIODS OF HEAVY RAIN...STRONG GUSTY WINDS...ALONG WITH DANEROUS LIGHTNING WILL EFFECT VERMILION AND LAFAYETTE PARISHES AND MOVE INTO VERNON PARISH BETWEEN THE PRESENT TIME AND 830PM. PRESONS IN SOUTHWEST AND CENTRAL LOUISIANA ESPECIALLY THE CENTRAL PARISHES OF VERNON...RAPIDES...GRANT...AND LA SALLE SHOULD REMAIN ALERT AND LISTEN FOR LATER STATEMENTS.
The office that day
Everything else NWS Lake Charles, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 8:35 PM CST | Severe Thunderstorm Warning | LCH | Angelina, Nacogdoches | 60 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; the sounding from the Mesonet's radiosonde archive.