Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 174, NWS Fort Worth, TX

May 27, 1987Foard County, Knox County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 27, 1987, 6:15 PM CDT for Foard County, Knox County, Texas. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
May 27, 1987, 6:15 PM CDT (23:15 UTC)
Expired
May 27, 1987, 7:15 PM CDT
In force
60 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Foard County, TX, Knox 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

Fort Sill, OK (KFSI), launched 12:00Z, 11.3 hours before the alert went out and 157 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, Fort Sill, OK at 12:00Z on 1987-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 415 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Fort Sill, OK at 12:00Z on 1987-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 289 square meters per square second.193958Sfc1 km3 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
415 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
289 m²/s²
0-3 km storm-relative helicity
308 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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, May 27, 3:34 PM CDT, 2 hours 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
 315 PM CDT WED MAY 27 1987

...SHOWERS AND THUNDERSTORMS INCREASING IN COVERAGE AND INTENSITY...

AT 305 PM CDT RADAR INDICATED LIGHT TO MODERATE SHOWERS AND
THUNDERSTORMS FROM JUST SOUTH OF WACO TO THE SOUTHERN PORTION OF BELL
COUNTY NEAR BARTLETT MOVING NORTH AT AROUND 15 MPH.
THESE THUNDERSTORMS COULD MOVE INTO THE WACO AREA WITHIN THE NEXT
HOUR OR TWO.
MOSTLY LIGHT SHOWERS WERE NORTHWEST OF COLLEGE STATION.
Special weather statement, May 27, 4:47 PM CDT, 1 hour 28 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
445 PM CDT WED MAY 27 1987

A TORNADO WATCH IS IN EFFECT FOR THE NORTHWEST SECTION OF
NORTH TEXAS...THE SOUTHEAST PART OF THE SOUTH PLAINS AND PORTIONS
OF THE EDWARDS PLATEAU. THE WATCH IS ALONG AND 70 STATUE MILES EITHER
SIDE OF A LINE FROM 70 MILES WEST SOUTHWEST OF SAN ANGELO TO 50
MILES WEST NORTHWEST OF WICHITA FALLS. THE DALLAS/FORT WORTH
METROPLEX IS NOT INCLUDED IN THE WATCH. THE CITIES OF ABILENE...
SEYMOUR..HASKELL AND ANSON ARE IN THE WATCH AREA.

AT 440 PM...WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS
ACROSS MOST OF NORTH TEXAS. A STRONG THUNDERSTORM WAS SOUTH OF
GATESVILLE IN THE SOUTHERN PART OF CORYELL COUNTY. MOVEMENT WAS
NORTHEAST AT 30 MILES AN HOUR.

A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES AND
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE
AREAS SHOULD BE ON THE LOOKOUT FOR THR=EATENING WEATHER AND BE PREPARED
TO TAKE QUICK ACTION.

LISTEN TO YOUR NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR LATER
STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, May 27, 5:46 PM CDT, 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
545 PM CDT WED MAY 27 1987

A TORNADO WATCH IS IN EFFECT UNTIL 10 PM FOR MOST OF THE LOW ROLLING
PLAINS...THE NORTHWEST PART OF THE EDWARDS PLATEAU...SOUTHEAST PART
OF THE SOUTH PLAINS..AND NORTHWEST SECTIONS OF NORTH CENTRAL TEXAS.
THE DALLAS/FORT WORTH METROPLEX IS NOT INCLUDED IN THE WATCH AREA.

AT 540 PM...WEATHER SERVICE RADAR INDICATED SCATTERED THUNDERSTORMS
ACROSS MOST OF NORTH TEXAS. STRONG THUNDERSTORMS WERE IN NORTHERN
LAMPASAS COUNTY...SOUTHWEST MCLENNAN COUNTY...AND NEAR CANTON IN
CENTRAL VAN ZANDT COUNTY. THE THUNDERSTORM IN NORTH LAMPASAS COUNTY
WAS INTENSIFYING AND HEAVY RAINFALL IS POSSIBLE WITH THIS STORM.
MOVEMENT OF THE THUNDERSTORMS WAS NORTH AT 30 MILES AN HOUR.

A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR TORNADOES AND
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE
AREAS SHOULD BE ON THE LOOKOUT FORI THREATENING WEATHER AND BE PREPARED
TO SEEK COVER IN A REINFORCED SHELTER IF A TORNADO IS SIGHTED OR
A WARNING IS ISSUED.

STAY TUNED TO YOUR NOAA WEATHER RADIO...LOCAL TV OR RADIO FOR
LATER STATEMENTS OR POSSIBLE WARNINGS.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 3:43 AM CDTSevere Thunderstorm WarningFWDFoard, Knox62 min
May 27, 3:43 AM CDTSevere Thunderstorm WarningFWDHardeman62 min
May 27, 6:25 PM CDTSevere Thunderstorm WarningFWDHamilton65 min
May 27, 6:43 PM CDTTornado WarningFWDHamilton62 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.