Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 34, NWS Houston/Galveston, TX

July 24, 1987Colorado County, Texas

NWS Houston/Galveston, TX issued this severe thunderstorm warning at Jul 24, 1987, 3:02 PM CDT for Colorado County, Texas. It was in force for 58 min.

The area

The counties it named.

The facts

Issued
Jul 24, 1987, 3:02 PM CDT (20:02 UTC)
Expired
Jul 24, 1987, 4:00 PM CDT
In force
58 min
Issued by
NWS Houston/Galveston, TX
Area
Whole counties

County Colorado 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, 8.0 hours before the alert went out and 93 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.

Skew-T log-pSkew-T log-p diagram, Victoria Regiona, TX at 12:00Z on 1987-07-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2356 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Victoria Regiona, TX at 12:00Z on 1987-07-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm 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 31 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 26 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, 34 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, 33 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.

IssuedProductOfficeCountiesLasted
Jul 24, 2:55 PM CDTTornado WarningHGXHarris30 min

Nearby

Severe Thunderstorm Warnings in Texas, 1987Every severe thunderstorm warning 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.