Alert archive / Texas / Tornado Warnings in 1987
Tornado Warning 6, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this tornado warning at Jul 24, 1987, 2:55 PM CDT for Harris County, Texas. It was in force for 30 min. 1 report 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
- Jul 24, 1987, 2:55 PM CDT (19:55 UTC)
- Expired
- Jul 24, 1987, 3:25 PM CDT
- In force
- 30 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Harris 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 |
|---|---|---|---|
| Jul 24, 3:05 PM CDT | Thunderstorm Wind 0 | Harris, 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
Victoria Regiona, TX (KVCT), launched 12:00Z, 7.9 hours before the alert went out and 184 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
- 2356 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KHOU 241955
TORHOU
TXC201-242100-
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE HOUSTON TX
255 PM CDT FRI JUL 24 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST TEXAS
...HARRIS
AT 250 PM CDT THE PUBLIC REPORTED A TORNADO AT GULF BANK AND CAMINO
RD IN NORTH HOUTSTON. RADAR SHOWS VERY STRONG THUNDERSTORMS IN THE
AREA MOVING NORTHWEST AT 15 MPH.Basis}
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.
IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE
INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. GET TO
A BASEMENT IF ONE IS AVAILABLE. AVOID WINDOWS AND PROTECT YOUR
BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS.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, Jul 24, 1:31 PM CDT, 1 hour 24 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 135 PM CDT FRI JUL 25 1987 WEATHER SERVICE RADAR SHOWS A VERY STRONG THUNDERSTORM ON THE FORT BEND-BRAZORIA COUNTY LINE SOUTHEAST OF RICHMOND. THE THUNDERSTORM IS MOVING NORTHWEST AT 15 MPH. THIS THUNDERSTORM MAY PRODUCE GUSTY WINDS...HEAVY RAIN... FREQUENT LIGHTING...AND SOME SMALL HAIL AS IT MOVES THROUGH FORT BEND COUNTY INTO THE RICHMOND-ROSENBERG AREA. STAY TUNED FOR LATER STATEMENTS OR WARNINGS AS NEEDED.
Special weather statement, Jul 24, 1:36 PM CDT, 1 hour 19 minutes before
CORRECTION...DATE SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 135 PM CDT FRI JUL 24 1987 WEATHER SERVICE RADAR SHOWS A VERY STRONG THUNDERSTORM ON THE FORT BEND-BRAZORIA COUNTY LINE SOUTHEAST OF RICHMOND. THE THUNDERSTORM IS MOVING NORTHWEST AT 15 MPH. THIS THUNDERSTORM MAY PRODUCE GUSTY WINDS...HEAVY RAIN... FREQUENT LIGHTING...AND SOME SMALL HAIL AS IT MOVES THROUGH FORT BEND COUNTY INTO THE RICHMOND-ROSENBERG AREA. STAY TUNED FOR LATER STATEMENTS OR WARNINGS AS NEEDED.
Special weather statement, Jul 24, 2:28 PM CDT, 27 minutes before
CORRECTION...DATE SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 230 PM CDT FRI JUL 24 1987 WEATHER SERVICE RADAR SHOWS VERY STRONG THUNDERSTORMS HAVE DEVELOPED IN COLARADO COUNTY. THE THUNDERSTORM ARE MOVING NORTHEWEST THROUGH THE COLUMBUS AREA. ANOTHER CLUSTER OF VERY STRONG THUNDERSTORMS HAS DEVELOPED NORTHEAST OF INTERCONTINETAL AIPRORT. THESE THUNDERSTORMS ARE ALSO MOVING NORTHWEST ACROSS NORTHEASTERN HARRIS AND SOUTHEASTERN MONTGOMERY COUNTIES. THE THUNDERSTORMS MAY PRODUCE GUSTY WINDS...HEAVY RAIN...FREQUENT FREQUENT LIGHTING...AND SOME SMALL HAIL. STAY TUNED FOR LATER STATEMENTS OR WARNINGS AS NEEDED.
Special weather statement, Jul 24, 2:29 PM CDT, 26 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 230 PM CDT FRI JUL 24 1987 WEATHER SERVICE RADAR SHOWS VERY STRONG THUNDERSTORMS HAVE DEVELOPED IN COLARADO COUNTY. THE THUNDERSTORM ARE MOVING NORTHEWEST THROUGH THE COLUMBUS AREA. ANOTHER CLUSTER OF VERY STRONG THUNDERSTORMS HAS DEVELOPED NORTHEAST OF INTERCONTINETAL AIPRORT. THESE THUNDERSTORMS ARE ALSO MOVING NORTHWEST ACROSS NORTHEASTERN HARRIS AND SOUTHEASTERN MONTGOMERY COUNTIES. THE THUNDERSTORMS MAY PRODUCE GUSTY WINDS...HEAVY RAIN...FREQUENT FREQUENT LIGHTING...AND SOME SMALL HAIL. STAY TUNED FOR LATER STATEMENTS OR WARNINGS AS NEEDED.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 3:02 PM CDT | Severe Thunderstorm Warning | HGX | Colorado | 58 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.