Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 8, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 1, 1986, 6:12 PM CDT for Hidalgo County, Kenedy County, Willacy County, Texas. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- May 1, 1986, 6:12 PM CDT (23:12 UTC)
- Expired
- May 1, 1986, 7:15 PM CDT
- In force
- 63 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
Counties Hidalgo County, TX, Kenedy 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.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 11.2 hours before the alert went out and 88 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.
- Mixed-layer CAPE
- 1580 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 012312 SVRBRO TXC215-489-261-020015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 612 PM CDT THU MAY 1 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF EXTREME SOUTH TEXAS...NORTHERN HIDALGO...WILLACY AND SOUTHERN KENEDY AT 615 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM LOCATED ABOUT 25 MILES NORTHWEST OF RAYMONDVILLE... MOVING SOUTH SOUTHWEST AT 20 TO 25 MILES AN HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 60 MPH... HAIL THE SIZE OF A PENNY OR LARGER...DEADLY LIGHTNING...AND VERY HEAVY RAIN THAT CAN QUICKLY FLOOD STREETS AND FLOOD PRONE AREAS. IMMEDIATE ACTION TO PROTECT MOVEABLE PROPERTY FROM POSSIBLE HAIL DAMAGE SHOULD BE TAKEN IN THE WARNED AREA. TO AVOID INJURY FROM FLYING GLASS/DEBRIS OR FROM LIGHTNING STRIKES...REMAIN INDOORS AWAY FROM WINDOWS AND METAL SURFACES OR APPLIANCES/TELEPHONE/ETC. IF YOU OBSERVE WIND DAMAGE...HAIL...OR FLOODING ... YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY THESE WEATHER REPORTS TO THE BROWNSVILLE WEATHER SERVICE OFFICE. PLEASE LISTEN TO YOUR LOCAL, RADIO..TV..OR NOAA WEATHER RADIO FOR LATER STATEMENTS OR WARNINGS REGARDING THIS DANGEROUS WEATHER EPISODE.
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 1, 3:50 PM CDT, 2 hours 22 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 350 PM CDT THU MAY 1 1986 AT 330 PM CDT A VERY STRONG THUNDERSTORM WAS LOCATED OVER THE UPPER END OF FALCON LAKE ABOUT 15 MILES NORTHWEST OF ZAPATA. THE THUNDERSTORM WAS MOVING SOUTHWEST AT ABOUT 10 MPH AND COULD PRODUCE VERY HEAVY RAIN... BRIEF GUSTY WINDS... AND SMALL HAIL DURING THE NEXT HOUR. WIDELY SCATTERED THUNDERSHOWERS WERE LOCATED WITHIN 40 MILES OF THE COAST FROM 30 MILES NORTH OF RAYMONDVILLE NORTHWARD THROUGH THE CORPUS CHRISTI AREA. MOVEMENT WAS TO THE SOUTH AT 15 MPH. SCATTERED THUNDERSHOWERS WERE LOCATED IN A 30 MILE WIDE AREA OVER THE GUKF FROM 70 MILES EAST OF BROWNSVILLE TO 80 MILES SOUT$HEAST OF BROWNSVILLE. MOVEMENT WAS NORTHEAST AT 15 MPH.
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; the sounding from the Mesonet's radiosonde archive.