Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 21, NWS Fort Worth, TX

February 14, 1987Hill County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Feb 14, 1987, 9:34 PM CST for Hill County, Texas. It was in force for 56 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
Feb 14, 1987, 9:34 PM CST (03:34 UTC)
Expired
Feb 14, 1987, 10:30 PM CST
In force
56 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Hill 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

TimeReportWhereRemark
Feb 14, 9:45 PM CSTHail 1.75Hill, 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

Stephenville/Cla, TX (KSEP), launched 00:00Z, 3.6 hours before the alert went out and 95 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, Stephenville/Cla, TX at 00:00Z on 1987-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1627 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, Stephenville/Cla, TX at 00:00Z on 1987-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939587897Sfc1 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
1627 J/kg
Mixed-layer CIN
-46 J/kg
Mixed-layer LCL
1092 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
138 m²/s²
Significant tornado parameter
1.0
Supercell composite
4.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAAOO KACT 150334
SVRACT
TXC217-150430-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WACO TX
934 PM CST SAT FEB 14 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1030 PM CST FOR PEOPLE IN THE FOLLOWING COUNTIES:
 
IN NORTH CENTRAL TEXAS
          ..HILL

AT 925 PM CST A POSSIBLY SEVERE THUNDERSTORM WAS LOCATED 5 MILES WEST
OF ITASCA MOVING EAST AT 50 MILES AN HOUR.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER,
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, Feb 14, 6:30 PM CST, 3 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
 616 PM CST SAT FEB 14 1987

...A TORNADO WATCH IS IN EFFECT UNTIL 11 PM CST THIS EVENING FOR
MCLENNAN..BELL..CORYELL..BOSQUE..LIMESTONE..FALLS AND HILL COUNTY...

AT 605 PM CST RADAR INDICATED SHOWERS AND THUNDERSTORMS DEVELOPING
FROM MINERAL WELLS SOUTHWARD TO STEPHENVILLE MOVING EAST AT 25 MPH.

ALL PERSONS SHOULD REMAIN ALERT FOR POSSIBLE SEVERE WEATHER
AND BE PREPARED TO MOVE TO A SAFE PLACE.
STAY TUNED TO NOAA WEATHER RADIO..TV..OR RADIO FOR FURTHER STATEMENTS.
Special weather statement, Feb 14, 7:23 PM CST, 2 hours 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
720 PM CST SAT FEB 14 1987

...A TORNADO WATCH IS IN EFFECT UNTIL 11 PM CST THIS EVENING FOR
MCLENNAN..BELL..CORYELL..BOSQUE..LIMESTONE..FALLS AND HILL COUNTIES...

AT 715 PM CST NO THUNDERSTORMS WERE OCCURRING IN CENTRAL TEXAS.
SHOWERS AND THUNDERSTORMS..SOME PRODUCING VERY HEAVY RAIN WERE
SCATTERED FROM NEAR BROWNWOOD TO NORTHWEST OF STEPHENVILLE.  THESE
THUNDERSTORMS WERE MOVING EAST AT 50 MILES AN HOUR.

SEVERAL REPORTS OF HAIL HAVE BEEN RECEIVED AS A RESULT OF THESE
THUNDERSTORMS.  PERSONS IN CENTRAL TEXAS SHOULD BE ON THE LOOKOUT
FOR THESE THUNDERSTORMS AS THEY APPROACH CENTRAL TEXAS.  BE PREPARED
TO MOVE TO A SAFE PLACE SHOULD SEVERE WEATHER BE SIGHTED OR A WARNING
ISSUED.

STAY TUNED TO NOAA WEATHER RADIO OR TO LOCAL RADIO AND TELEVISION
STATIONS FOR LATER STATMENTS OR POSSIBLE WARNINGS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 14, 6:39 PM CSTSevere Thunderstorm WarningFWDErath, Hood, Somervell66 min
Feb 14, 6:44 PM CSTSevere Thunderstorm WarningFWDEastland, Stephens61 min
Feb 14, 6:48 PM CSTSevere Thunderstorm WarningFWDParker57 min
Feb 14, 6:48 PM CSTSevere Thunderstorm WarningFWDComanche57 min
Feb 14, 7:02 PM CSTSevere Thunderstorm WarningFWDBrown, Coleman48 min
Feb 14, 7:08 PM CSTSevere Thunderstorm WarningFWDPalo Pinto67 min
Feb 14, 7:08 PM CSTSevere Thunderstorm WarningFWDDenton, Tarrant67 min
Feb 14, 7:29 PM CSTSevere Thunderstorm WarningFWDCooke61 min
Feb 14, 7:37 PM CSTSevere Thunderstorm WarningFWDClay, Jack, Montague68 min
Feb 14, 7:40 PM CSTSevere Thunderstorm WarningFWDWise65 min
Feb 14, 7:56 PM CSTSevere Thunderstorm WarningFWDComanche, Erath, Hamilton64 min
Feb 14, 7:56 PM CSTSevere Thunderstorm WarningFWDHood, Somervell64 min
Feb 14, 8:07 PM CSTSevere Thunderstorm WarningFWDPalo Pinto, Parker53 min
Feb 14, 8:07 PM CSTSevere Thunderstorm WarningFWDBosque53 min
Feb 14, 8:34 PM CSTSevere Thunderstorm WarningFWDCooke, Denton, Montague, Wise71 min
Feb 14, 8:34 PM CSTSevere Thunderstorm WarningFWDJohnson, Tarrant71 min
Feb 14, 8:54 PM CSTSevere Thunderstorm WarningFWDComanche, Erath66 min
Feb 14, 9:07 PM CSTSevere Thunderstorm WarningFWDDallas, Ellis53 min
Feb 14, 9:25 PM CSTSevere Thunderstorm WarningFWDCollin, Grayson, Rockwall65 min
Feb 14, 9:25 PM CSTSevere Thunderstorm WarningFWDKaufman65 min
Feb 14, 9:47 PM CSTSevere Thunderstorm WarningFWDNavarro58 min
Feb 14, 9:47 PM CSTSevere Thunderstorm WarningFWDDenton58 min
Feb 14, 10:00 PM CSTSevere Thunderstorm WarningFWDFannin, Hunt60 min
Feb 14, 10:13 PM CSTSevere Thunderstorm WarningFWDEllis62 min
Feb 14, 10:32 PM CSTSevere Thunderstorm WarningFWDHopkins, Rains, Van Zandt58 min
Feb 14, 10:32 PM CSTSevere Thunderstorm WarningFWDDelta, Lamar58 min
Feb 14, 10:32 PM CSTSevere Thunderstorm WarningFWDKaufman58 min
Feb 15, 12:48 AM CSTSevere Thunderstorm WarningFWDMorris27 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.