Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 3, NWS Brownsville, TX

June 3, 1987Cameron County, Willacy County, Texas

NWS Brownsville, TX issued this severe thunderstorm warning at Jun 3, 1987, 1:28 PM CDT for Cameron County, Willacy County, Texas. It was in force for 62 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
Jun 3, 1987, 1:28 PM CDT (18:28 UTC)
Expired
Jun 3, 1987, 2:30 PM CDT
In force
62 min
Issued by
NWS Brownsville, TX
Area
Whole counties

Counties Cameron County, TX, Willacy 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
Jun 3, 2:07 PM CDTHail 0.75Cameron, 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

Brownsville Intl, TX (KBRO), launched 12:00Z, 6.5 hours before the alert went out and 48 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, Brownsville Intl, TX at 12:00Z on 1987-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2616 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, Brownsville Intl, TX at 12:00Z on 1987-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
2616 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
556 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
78 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBRO 031828
SVRBRO
TXC061-489-031930-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
128 PM CDT WED JUN 3 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  230 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTH TEXAS
          ...CAMERON...WILLACY
 
AT 130 PM CDT...AN AREA OF INTENSE THUNDERSTORMS WAS FROM JUST NORTH
OF PORT MANSFIELD TO NEAR EDCOUCH TEXAS MOVING TO THE SOUTHEAST AT
20 MPH.
 
STRONG GUSTY WINDS HAVE BEEN REPORTED NORTH OF HARLINGEN. POSSIBLE
FUNNEL CLOUDS HAVE ALSO BEEN SIGHTED NORTH OF LA FERIA TEXAS MOVING
TO THE SOUTHEAST.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Jun 3, 10:39 AM CDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1035 AM CDT MON JUN 1 1987

AT 1025 AM... BROWNSVILLE WEATHER RADAR SHOWED AN AREA OF STRONG
THUNDERSTORMS WITH HEAVY RAIN. THE AREA WAS
Special weather statement, Jun 3, 11:41 AM CDT, 1 hour 47 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE BROWNSVILLE TX
1145 AM CDT WED JUN 3 1987

AT 1125 AM... BROWNSVILLE WEATHER RADAR SHOWED AN AREA OF STRONG
THUNDERSTORMS WITH HEAVY RAIN. THE AREA WAS FROM 15 MILES WEST OF
CORPUS CHRISTI SOUTHWEST TO 40 MILES WEST OF MCALLEN. THE AREA WAS
MOVING SOUTHEAST AT 30 MPH.

THESE THUNDERSTORMS COULD PRODUCE STRONG WIND GUSTS... FREQUENT
LIGHTNING... AND HAIL. ALSO LOCAL STREET FLOODING IS POSSIBLE.

THE AREA IS MOVING THROUGH THE VALLEY AND AT THE PRESENT MOVEMENT
SHOULD MOVE THROUGH THE ENTIRE VALLEY WITHIN 3 HOURS.

THESE THUNDERSTORMS ARE ASSOCIATED WITH A MINOR DISTURBANCE
MOVING EAST-SOUTHEAST WITH THE HEAVIEST THUNDERSTORMS EXPECTED
NORTH OF THE VALLEY. ALICE REPORTED WIND GUSTS TO 55 MPH WHILE
LAREDO RECEIVED WIND TO 40 MPH.

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.