Alert archive / Texas / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 321, NWS Fort Worth, TX

May 17, 1986Brazos County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 17, 1986, 1:05 PM CDT for Brazos County, Texas. It was in force for 55 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
May 17, 1986, 1:05 PM CDT (18:05 UTC)
Expired
May 17, 1986, 2:00 PM CDT
In force
55 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Brazos 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
May 17, 1:16 PM CDTThunderstorm Wind 0Brazos, 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, 6.1 hours before the alert went out and 209 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 1986-05-17Temperature 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, Victoria Regiona, TX at 12:00Z on 1986-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
-289 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
256 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

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 17, 7:40 AM CDT, 5 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
735 AM CDT SAT MAY 17 1986

...A TORNADO WATCH IS IN EFFECT FOR BOSQUE AND HILL COUNTIES OF
CENTRAL TEXAS UNTIL 900 AM THIS MORNING...

...A FLASH FLOOD WATCH IS IN EFFECT FOR BOSQUE..CORYELL..HILL..
LIMESTONE AND MCLENNAN COUNTIES OF CENTRAL TEXAS TODAY...

AT 730 AM CDT SHOWERS AND THUNDERSTORMS..SOME PRODUCING VERY HEAVY
RAINFALL..WERE OCCURRING OVER A LARGE SECTION OF NORTH TEXAS.  THE
AREA WAS LOCATED NORTH OF A LINE FROM WEST OF BROWNWOOD TO 20 MILES
NORTH OF WACO TO TYLER.  THE HEAVIEST THUNDERSTORMS WERE OCCURRING
FROM SOUTHEAST OF STEPHENVILLE TO NEAR WEATHERFORD TO FORT WORTH TO
NORTHEAST OF DALLAS.  THE AREA WAS MOVING TO THE SOUTHEAST AT 25
MILES AN HOUR.

THE HEAVIER THUNDERSTORMS HAVE BEEN PRODUCING STRONG GUSTY WINDS AND
VERY HEAVY RAINFALL.  PERSONS IN THE WATCH AREAS SHOULD BE ALERT TO
POSSIBLITY OF STRONG GUSTY WINDS AND SUSTAINED HEAVY RAIN THAT COULD
PR%ODUCE FLASH FLOODING.

STAY TUNED TO NOAA WEATHER RADIO OR TO LOCAL RADIO AND TELEVISION
STATIONS FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 17, 9:09 AM CDT, 3 hours 56 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
855 AM CDT SAT MAY 17 1986

...A TORNADO WATCH HAS BEEN ISSUED FOR BELL..BOSQUE..CORYELL..
FALLS..HILL..LEON..LIMESTONE..MCLENNAN AND ROBERTSON COUNTIES OF
CENTRAL TEXAS UNTIL 300 PM CDT THIS AFTERNOON...

...A FLASH FLOOD WATCH IS IN EFFECT FOR BOSQUE..CORYELL..HILL..
LIMESTONE AND MCLENNAN COUNTIES OF CENTRAL TEXAS FOR TODAY...

AT 850 AM CDT SHOWERS AND THUNDERSTORMS..SOME PRODUCING VERY HEAVY
RAINFALL..WERE OCCURRING OVER A LARGE SECTION OF NORTH TEXAS.  THE
AREA EXTENDED 80 MILES NORTH OF A LINE FROM NEAR BRADY TO BROWNWOOD
TO WACO TO SOUTHEAST OF TYLER.  THE HEAVIEST RAINFALL IS OCCURRING
IN BOSQUE AND HILL COUNTIES OF CENTRAL TEXAS.  MOVEMENT WAS TO THE
SOUTHEAST AT 25 MILES AN HOUR.

THE HEAVIER THUNDERSTORMS HAVE BEEN PRODUCING STRONG GUSTY WINDS AND
VERY HEAVY RAINS.  PERSONS IN HILL AND BOSQUE COUNTIES SHOULD BE
ON THE LOOKOUT FOR THE POSSIBLITY OF FLASH FLOODING OF FLOOD PRONE
AND LOW LYING AREAS.  SOME OF THESE THUNDERSTORMS ARE CAPABLE OF
STRONG GUSTY WINDS AND SMALL HAIL.

PERSONS IN THE WATCH AREAS SHOULD STAY TUNED TO NOAA WEATHER RADIO
OR TO LOCAL RADIO AND TELEVISION STATIONS FOR LATER STATEMENTS PAND
POSSIBLE WARNINGS.
Special weather statement, May 17, 9:30 AM CDT, 3 hours 35 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
930 AM CDT SAT MAY 17 1986

   ...STRONG THUNDERSTORMS IN EASTLAND AND COMANCHE COUNTIES...

AT 925 AM CDT NATIONAL WEATHER SERVICE RADAR INDICATED STRONG
THUNDERSTORMS MOVING THROUGH EASTLAND AND COMANCHE COUNTIES. THE
LINE OF THUNDERSTORMS EXTENDED FROM JUST SOUTH OF EASTLAND SOUTHWARD
TO JUST WEST OF COMANCHE. THESE THUNDERSTORMS WERE MOVING TOWARD THE
EAST AT ABOUT 40 MILES AN HOUR.

THESE THUNDERSTORMS HAVE PRODUCED WIND GUSTS OF NEAR 45 MILES AN HOUR
AND BRIEF HEAVY RAINFALL. SOME SMALL HAIL MAY ALSO BE EXPECTED. THE
AREA OF STRONGER THUNDERSTORMS WILL BE MOVING INTO ERATH AND HAMILTON
COUNTIES DURING THE 30 MINUTES.

A TORNADO WATCH IS IN EFFECT FOR THE SOUTHERN PART OF NORTH TEXAS UNTIL
3 PM CDT THIS AFTERNOON. THE WATCH IS FOR THAT AREA OF NORTH TEXAS
GENERALLY SOUTH OF A LINE FROM EASTLAND TO DALLAS/FORT WORTH TO NEAR
MOUNT PLEASANT..AND THEN EASTWAwRD INTO SOUTHERN ARKANSAS. IN ADDITION
A FLASH FLOOD WATCH CONTINUES IN EFFECT FOR ALL BUT THE SOUTHEAST
PART OF NORTH TEXAS. THE FLASH FLOOD WATCH IS GENERALLY NORTH OF A
LAMPASAS..LONGVIEW LINE.
Special weather statement, May 17, 10:49 AM CDT, 2 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1050 AM CDT SAT MAY 17 1986

THE SEVERE THUNDERSTORM WARNING FOR HAMILTON COUNTY EXPIRED
AT 10:30 AM.

A FLASH FLOOD WARNING IS IN EFFECT FOR SMITH COUNTY UNTIL 1:15 PM..
AMD FOR HENDERSON COUNTY UNTIL 1:30 PM.

A TORNADO WATCH IS IN EFFECT FOR THE SOUTHERN PART OF NORTH TEXAS UNTIL
3 PM CDT THIS AFTERNOON. THE WATCH IS FOR THAT AREA OF NORTH TEXAS
GENERALLY SOUTH OF A LINE FROM EASTLAND TO DALLAS/FORT WORTH TO
NEAR MOUNT PLEASANT..AND THEN EASTWARD TO SOUTHERN ARKANSAS.

A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR ALL BUT THE SOUTHEAST PART
OF NORTH TEXAS.

AT 1050 AM..WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS
IN JOHNSON COUNTY EXTENDING SOUTH TO BOSQUE. MOVEMENT WAS TO THE
EAST AT 40 MILES AN HOUR. SCATTERED THUNDERSTORMS AND SHOWERS
ABOUT 50 MILES WIDE WERE FROM NEAR LONGVIEW WEST TO NEAR
WAXAHAXIE. MOVEMENT WAS TO THE  EAST AT 20 MILES AN HOUR.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE
FOR TORNADO AND SEVERE THUNDERSTORMS IN AND NEAR THE WATCH AREA.
A FLASH FLOOD WATCH MEANS THAT HEAVY RAINS COULD CAUSE FLOODING
OF LOW LYING AREAS.

FOR PEOPLE IN FLASH FLOOD WARNING AREAS...MOVE TO HIGHER GROUND
IF YOU ARE IN A LOW LYING AREA..DO NOT CROSS OR DRIVE THRU
FLOODED ROADS.
Special weather statement, May 17, 11:44 AM CDT, 1 hour 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1145 AM CDT SAT MAY 17 1986

A FLASH FLOOD WARNING IS IN EFFECT FOR SMITH COUNTY UNTIL 1:15 PM..
AND FOR HENDERSON COUNTY UNTIL 1:30 PM.

A TORNADO WATCH IS IN EFFECT FOR THE SOUTHERN PART OF NORTH TEXAS UNTIL
3 PM CDT THIS AFTERNOON. THE WATCH IS FOR THAT AREA OF NORTH TEXAS
GENERALLY SOUTH OF A LINE FROM EASTLAND TO DALLAS/FORT WORTH TO
NEAR MOUNT PLEASANT..AND THEN EASTWARD TO SOUTHERN ARKANSAS.

A FLASH FLOOD WATCH IS IN EFFECT TODAY FOR ALL BUT THE SOUTHEAST PART
OF NORTH TEXAS.

AT 1140 AM..WEATHER SERVICE RADAR INDICATED NUMEROUS THUNDERSTORMS
PRODUCING HEAVY RAINFALL BETWEEN PALESTINE AND LONGVIEW MOVING
EAST AT 25 MILES AN HOUR. ALSO..NUMEROUS THUNDERSTORMS WERE INDICATED
FROM HAMILTON COUNTY SOUTHWEST TO CHEROKEE IN SAN SABA COUNTY.
MOVEMENT WAS TO THE EAST AT 35 MILES AN HOUR.

REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE
FOR TORNADO AND SEVERE THUNDERSTORMS IN AND NEAR THE WATCH AREA.
A FLASH FLOOD WATCH MEANS THAT HEAVY RAINS COULD CAUSE FLOODING
OF LOW LYING AREAS.

FOR PEOPLE IN FLASH FLOOD WARNING AREAS...MOVE TO HIGHER GROUND
IF YOU ARE IN A LOW LYING AREA. DO NOT CROSS OR ;DRIVE THRU
FLOODED ROADS.

STAY TUNED TO YOUR LOCAL RADIO..TELEVISION..OR NOAA WEATHER RADIO
FOR FURTHER STATEMENTS OR IF NEEDED..WARNINGS.
Special weather statement, May 17, 1:05 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 7:00 PM CDTTornado WarningFWDFoard, Hardeman60 min
May 16, 8:00 PM CDTTornado WarningFWDFoard, Hardeman60 min
May 16, 9:00 PM CDTTornado WarningFWDFoard, Hardeman, Wilbarger60 min
May 16, 9:50 PM CDTTornado WarningFWDFoard, Wilbarger60 min
May 16, 9:50 PM CDTTornado WarningFWDHardeman35 min
May 16, 10:48 PM CDTTornado WarningFWDWilbarger62 min
May 16, 11:10 PM CDTSevere Thunderstorm WarningFWDWichita45 min
May 16, 11:20 PM CDTTornado WarningFWDWichita60 min
May 16, 11:50 PM CDTSevere Thunderstorm WarningFWDClay60 min
May 17, 12:50 AM CDTSevere Thunderstorm WarningFWDWichita30 min
May 17, 2:30 AM CDTSevere Thunderstorm WarningFWDBaylor60 min
May 17, 6:04 AM CDTSevere Thunderstorm WarningFWDEastland, Stephens56 min
May 17, 6:39 AM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens66 min
May 17, 9:10 AM CDTSevere Thunderstorm WarningFWDBosque, Coryell2 hr
May 17, 9:15 AM CDTTornado WarningFWDBrown60 min
May 17, 9:52 AM CDTSevere Thunderstorm WarningFWDHamilton38 min
May 17, 10:00 AM CDTFlash Flood WarningFWDBosque, Hill3 hr
May 17, 10:20 AM CDTFlash Flood WarningFWDSmith3 hr
May 17, 10:45 AM CDTFlash Flood WarningFWDHenderson3 hr
May 17, 11:05 AM CDTTornado WarningFWDMcLennan55 min
May 17, 11:28 AM CDTSevere Thunderstorm WarningFWDBell32 min
May 17, 11:55 AM CDTTornado WarningFWDFalls35 min
May 17, 12:04 PM CDTTornado WarningFWDLimestone, Robertson56 min

Nearby

Severe Thunderstorm Warnings in Texas, 1986Every severe thunderstorm warning in 1986

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.