Alert archive / Texas / Tornado Warnings in 1987
Tornado Warning 9, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Nov 16, 1987, 6:17 AM CST for Brazoria County, Texas. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Nov 16, 1987, 6:17 AM CST (12:17 UTC)
- Expired
- Nov 16, 1987, 7:15 AM CST
- In force
- 58 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Brazoria 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
Victoria Regiona, TX (KVCT), launched 12:00Z, 0.3 hours before the alert went out and 147 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
- 3540 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 6.6
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KHOU 161217
TORHOU
TXC039-161315-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON TX
617 AM CST MON NOV 16 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 715 AM CST FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST TEXAS
...BRAZORIA
AT 614 AM CST THE PUBLIC REPORTED A TORNADO HAD JUST TOUCHED DOWN ON
COUNTY RD 435 ABOUT 3 MILES SOUTHWEST OF ALVIN. A BARN WAS
DEMOLISED.
RADAR SHOWS THUNDERSTORMS IN THE AREA MOVING NORTHEAST 30 MPH.
DO NOT USE YOUR CAR TO TRY TO OUTRUN A TORNADO. CARS ARE EASILY
TOSSED AROUND BY TORNADO WINDS. IF YOU ARE CAUGHT IN THE PATH OF
A TORNADO...LEAVE THE CAR AND GO TO A STRONG BUILDING. IF NO
STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
THIS IS A DANGEROUS STORM SITUATION. ACT QUICKLY. IF YOU ARE
IN THE PATH OF THIS TORNADO MOVE TO A SHELTER BELOW GROUND IF
AVAILABLE. OTHERWISE...GO TO A SMALL INTERIOR ROOM/ ON THE LOWEST
FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES
FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.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 16, 1:48 AM CST, 4 hours 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 145 AM CST MON NOV 16 1987 ...THE TORNADO WATCH FOR BRAZORIA...GRIMES...HARRIS...MONTGOMERY... POLK...SAN JACINTO AND WALKER COUNTIES WILL EXPIRE AT 200 AM. ...A TORNADO WATCH HAS BEEN ISSUED...IN EFFECT FROM 145 AM UNTILL 800 AM CST FOR AUSTIN...COLORADO..FORT BEND...WALLER...WASHINGTON...AND WHARTON COUNTIES. STRONG THUNDERSTORMS ARE DEVELOPING OVER THE EDWARDS PLATEAU AND ARE EX]PECTED TO MOVE EASTWARD INTO THE AREA LATER THIS MORNING. ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST TEXAS THROUGH TONIGHT INCLUDING THE HOUSTON...GALVESTON METROPOLITAN AREA...
Special weather statement, Nov 16, 2:04 AM CST, 4 hours 13 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE GALVESTON TX 200 AM CST MON NOV 16 1987 ....THE TORNADO WATCH FOR GALVESTON AND CHAMBERS COUNTIES AND THE ADJACENT COASTAL WATERS HAS EXPIRED... WEATHER SERVICE RADAR INDICATES THAT THE STRONG THUNDERSTORMS HAVE MOVED NORTHEAST AND OUT OF THE AREA...HOWEVER OTHER THUNDERSTORMS ARE DEVELOPINAG WELL TO THE WEST AND COULD MOVE INTO THE AREA LATER TODAY. ...A FLASH FLOOD WATCH FzOR GALVESTON AND CHAMBERS COUNTIES REMAINS IN EFFECT THROUGH TODAY...
Special weather statement, Nov 16, 2:06 AM CST, 4 hours 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GALVESTON TX 200 AM CST MON NOV 16 1987 ....THE TORNADO WATCH FOR GALVESTON AND CHAMBERS COUNTIES AND THE ADJACENT COASTAL WATERS HAS EXPIRED... WEATHER SERVICE RADAR INDICATES THAT THE STRONG THUNDERSTORMS HAVE MOVED NORTHEAST AND OUT OF THE AREA...HOWEVER OTHER THUNDERSTORMS ARE DEVELOPINAG WELL TO THE WEST AND COULD MOVE INTO THE AREA LATER TODAY . ...A FLASH FLOOD WATCH FOR GALVESTON AND~ CHAMBERS COUNTIES REMAINS IN EFFECT THROUGH TODAY...
Special weather statement, Nov 16, 3:08 AM CST, 3 hours 9 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 310 AM CST MON NOV 16 1987 ...A TORANDO WATCH IS IN EFFECT FOR A LARGE PART OF SOUTH TEXAS WEST OF HOUSTON UNTIL 800 AM CST... THE TORNADO WATCH US ALONG AND 70 MILES EITHER SIDE OF A LINE FROM 70 MILES WEST OF COTULLA TO COLLEGE STATION AND INCLUDES THE FOLLOWING COUNTIES...AUSTIN...COLORADO..FORT BEND...WALLER...WASHINGTON...AND WHARTON. NO THUNDERSTORMS THREATEN THE ABOVE COUNTIES AT THIS TIME BUT NUMEROUS SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN THE WESTERN PART OF THE WATCH AREA. THEY ARE EXPECTED TO MOVE EASTWARD AND WILL THREATEN THESE COUNTIES LATER THIS MORNING. ...A FLASH FLOOD WATCH IS IN EFFECT FOR SOUTHEAST TEXAS...INCLUDING THE HOUSTON...GALVESTON METROPOLITAN AREA...THROUGH TODAY.
Special weather statement, Nov 16, 4:27 AM CST, 1 hour 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 424 AM CST MON NOV 16 1987 ...A TORANDO WATCH IS IN EFFECT FOR A LARGE PART OF SOUTH TEXAS WEST OF HOUSTON UNTIL 800 AM CST... THE TORNADO WATCH US ALONG AND 70 MILES EITHER SIDE OF A LINE FROM 70 MILES WEST OF COTULLA TO COLLEGE STATION AND INCLUDES THE FOLLOWING COUNTIES...AUSTIN...COLORADO..FORT BEND...WALLER...WASHINGTON...AND WHARTON. RADAR SHOWS THAT STRONG THUNDERSTORMS HAVE DEVELOPED WEST OF COLORADO COLORADO. THESE THUNDERSTORMS WILL BE MONITORED CLOSELY AS THEY MOVE NORTH NORTHEASTWARD ALONG THE WESTERN EDGES OF COLORADO AUSTIN AND WASHINGTON COUNTIES. NUMEROUS SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN AND AROU[ND THE SAN ANTONIO AREA.
Special weather statement, Nov 16, 4:32 AM CST, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 425 AM CST MON NOV 16 1987 ...A TORANDO WATCH IS IN EFFECT FOR A LARGE PART OF SOUTH TEXAS WEST OF HOUSTON UNTIL 800 AM CST... THE TORNADO WATCH IS ALONG AND 70 MILES EITHER SIDE OF A LINE FROM 70 MILES WEST OF COTULLA TO COLLEGE STATION AND INCLUDES THE FOLLOWING COUNTIES...AUSTIN...COLORADO..FORT BEND...WALLER...WASHINGTON...AND WHARTON. RADAR SHOWS THAT STRONG THUNDERSTORMS HAVE DEVELOPED WEST OF COLORADO COUNTY. THESE THUNDERSTORMS WILL BE MONITORED CLOSELY AS THEY MOVE NORTH NORTHEASTWARD ALONG THE WESTERN EDGES OF COLORADO AUSTIN AND WASHINGTON COUNTIES. NUMEROUS SEVERE THUNDERSTORMS HAVE BEEN REPORTED IN AND ARaOUND THE SAN ANTONIO AREA THIS MORNING.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 16, 6:35 AM CST | Tornado Warning | HGX | Galveston | 30 min |
| Nov 16, 8:19 AM CST | Severe Thunderstorm Warning | HGX | Harris | 56 min |
| Nov 16, 8:35 AM CST | Severe Thunderstorm Warning | HGX | Brazoria | 55 min |
| Nov 16, 8:45 AM CST | Tornado Warning | HGX | Galveston | 30 min |
| Nov 16, 9:06 AM CST | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 2 hr |
| Nov 16, 9:08 AM CST | Tornado Warning | HGX | Chambers | 30 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.