Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 30, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 3, 1987, 4:00 PM CDT for Real County, Texas. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- May 3, 1987, 4:00 PM CDT (21:00 UTC)
- Expired
- May 3, 1987, 5:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Real 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
Del Rio, TX (KDRT), launched 12:00Z, 9.0 hours before the alert went out and 111 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
- 2662 J/kg
- Mixed-layer CIN
- -121 J/kg
- Mixed-layer LCL
- 857 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 78 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 3.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 032100 SVRSAT TXC385-032200- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 400 PM CDT SUN MAY 3 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A
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 3, 10:05 AM CDT, 5 hours 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 955 AM CDT SUN MAY 3 1987 ...STRONG THUNDERSTORMS CONTINUE TO RUMBLE OVER PORTION OF THE HILL COUNTRY AND ALONG THE COLORADO RIVER FROM LAKE BUCHANAN TO MARBLE FALLS... AT 9:50 AM CDT RADAR INDICATED STRONG THUNDERSTORMS SCATTERD ALONG A LINE 5 MILES WIDE EXTENDING FROM THE SOUTHEAST CORNER OF MASON COUNTY TO 15 MILES EAST OF JUNCTION TO THE WESTERN PORTION OF KERR COUNTY MOVING NORTHEAST 20 MPH. OTHER STRONG THUNDERSTORMS ARE OCCURRING ALONG THE COLORADO RIVER FROM LAKE BUCHANAN TO MARBLE FALLS. THESE THUNDER STORMS ARE LIKELY TO PRODUCE HEAVY RAINS...GUSTY WIND AND FLOODING IN LOW PLACES. THE AIRMASS OVER SOUTH TEXAS REMAINS VERY MOIST AND UNSTABLE. ANOTHER UPPER AIR DISTURBANCE IS EXPECTED TO APPROACH SOUTH TEXAS THIS AFTERNOON AND EARLY TONIGHT. STAY TUNED TO NOAA WEATHER RADIO FO THE LATEST WEATHER INFORMATION. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 3, 10:09 AM CDT, 5 hours 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 955 AM CDT SUN MAY 3 1987 ...STRONG THUNDERSTORMS CONTINUE TO RUMBLE OVER PORTION OF THE HILL COUNTRY AND ALONG THE COLORADO RIVER FROM LAKE BUCHANAN TO MARBLE FALLS... AT 9:50 AM CDT RADAR INDICATED STRONG THUNDERSTORMS SCATTERD ALONG A LINE 5 MILES WIDE EXTENDING FROM THE SOUTHEAST CORNER OF MASON COUNTY TO 15 MILES EAST OF JUNCTION TO THE WESTERN PORTION OF KERR COUNTY MOVING NORTHEAST 20 MPH. OTHER STRONG THUNDERSTORMS ARE OCCURRING ALONG THE COLORADO RIVER FROM LAKE BUCHANAN TO MARBLE FALLS. THESE THUNDER STORMS ARE LIKELY TO PRODUCE HEAVY RAINS...GUSTY WIND AND FLOODING IN LOW PLACES. THE AIRMASS OVER SOUTH TEXAS REMAINS VERY MOIST AND UNSTABLE. ANOTHER UPPER AIR DISTURBANCE IS EXPECTED TO APPROACH SOUTH TEXAS THIS AFTERNOON AND EARLY TONIGHT. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 3, 10:59 AM CDT, 5 hours 1 minute before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1055 AM CDT SUN MAY 3 1987 AT 1050 AM CDT STRONG THUNDERSTORMS WERE SCATTERD ALONG A LINE IN THE HILL COUNTRY FROM THE SOUTHWEST CORNER OF LLANO COUNTY TO HARPER 20 MILES NORTHWEST OF KERRVILLE. THIS LINE WAS MOVING SOUTHEAST 20 MPH. SCATTERED RAINSHOWERS AND THUNDERSHOWERS WERE SOUTHEAST OF A HILLSBORO ...FORT HOOD...40 MILES WEST OF KERRVILLE LINE DRIFTING SLOWLY TO THE SOUTHEAST. RESIDENTS ARE REMINED...HOWEVER...THAT THE AIRMASS OVER SOUTH TEXAS REMAINS VERY MOIST AND UNSTABLE. ANOTHER UPPER LEVEL DISTURBANCE IS EXPECTED TO APPROACH SOUTH TEXAS THIS AFTERNOON AND EARLY TONIGHT. THE REDEVELOPMENT OF THUNDERSTORMS...SOME APPR4OACHING SEVERE LIMITS WILL AGAIN BE POSSIBLE OVER NORTHERN SECTIONS OF SOUTH TEXAS. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 3, 12:57 PM CDT, 3 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANTONIO TX
1255 PM CDT SUN MAY 3 1987
...THUNDERSTORMS CONTINUE OVER THE HILL COUNTRY...
A LINE OF THUNDERSTORMS HAS REMAINED NEARLY STATIONARY FOR THE PAST FEW
HOURS OVER PORTIONS OF THE TEXAS HILL COUNTRY. THIS LINE EXTENDED
SOUTHWEST FROM NEAR LUFKIN INTO CENTRAL KERR AND REAL COUNTIES OF SOUTH
TEXAS.
DURING THE PAST FEW MINUTES...REPORTS OF PEA TO MARBLE-SIZE HAIL HAVE
BEEN RECEIVED FROM NEAR THE CITY OF HUNT IN KERR COUNTY. IN ADDITION TO
THE HAIL...IT IS LIKELY THAT ISOLATED VERY HEAVY RAINS ARE OCCURRING
WITHIN SOME OF THE STRONGER STORMS. THE NEARLY STATIONARY CHARACTER OF
THIS LINE OF STORMS ADDS TO THE THREAT OF AT LEAST LOCALIZED FLOODING.
CONDITIONS REMAIN FAVORABLE FOR CONTINUED THUNDERSTORM DEVELOPMENT ALONG
THIS LINE THROUGHOUT THE AFTERNOON AS SURFACE HEATING AND ANOTHER
APPROACHING UPPER LEVEL DISTURBANCE INTERACT. RESIDENTS SHOULD MONITOR
WEATHER DEVELOPMENTS CLOSELY THROUGHOUT THE REMAINDER OF THIS AFTERNOON.
ADDITIONAL STATEMENTS WILL BE BROADCAST OVER NOAA WEATHER RADIO AS
CONDITIONS WARRANT.Special weather statement, May 3, 2:24 PM CDT, 1 hour 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 220 PM CDT SUN MAY 3 1987 AT 215 PM...OUR WEATHER RADAR SHOWED A VERY INTENSE THUNDERSTORM 65 MILES SOUTHWEST OF AUSTIN...OR NEAR THE SMALL CITY OF COMFORT. IT WAS MOVING TOWARDS THE EAST AT 12 MPH. THAT PARTICULAR STORM WAS RESPONSIBLE FOR VERY LARGE HAIL...GRAPEFRUIT SIZE...IN AND AROUND KERRVILLE AND CENTER POINT. EVEN THOUGH INTENSITY LEVELS HAVE DECREASED IN THE LAST HALF HOUR, IT HAS THE POTENTIAL TO RAPIDLY RE-INTENSIFY AGAIN LATER THIS AFTERNOON OR EVENING. PERSONS IN THE HILL COUNTRY...WEST OF AUSTIN...SHOULD STAY ON THE ALERT AND CHECK FOR THE LATEST WEATHER INFORMATION OFTEN. STAY TUNED TO THIS STATION FOR ADDTIONAL REPORTS.
Special weather statement, May 3, 3:45 PM CDT, 15 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 330 PM CDT SUN MAY 3 1987 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR A LARGE PART OF SOUTH AND CENTRAL TEXAS INCLUDING TRAVIS AND SURROUNDING COUNTIES. AT 325 PM...WEATHER RADAR SHOWED THUNDERSTORMS HAVE DECREASED DURING THE LAST HOUR AND THE ONLY STRONG THUNDERSTORM WAS LOCATED ABOUT 45 MILES WEST OF KERRVILLE. SOME LIGHT SHOWERS WERE LOCATED NEAR SPICEWOOD...SOUTHEAST OF KERRVILLE AND NORTHWEST OF HONDO. MOVEMENT WAS EAST AT 15 MPH. EVEN THOUGH INTENSITY LEVELS HAVE DECREASED IN THE LAST HOUR, IT HAS THE POTENTIAL TO RAPIODLY RE-INTENSIFY AGAIN LATER THIS AFTERNOON OR EVENING. PERSONS IN AND NEAR THzE WATCH AREA...SHOULD STAY ON THE ALERT AND CHECK FOR THE LATEST WEATHER INFORMATION OFTEN. ADDITIONAL STATEMENTS AND WARNINGS WILL BE ISSUED AS CONDITION WARRENT.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 1:23 AM CDT | Severe Thunderstorm Warning | EWX | Edwards | 52 min |
| May 3, 1:12 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 63 min |
| May 3, 1:36 PM CDT | Severe Thunderstorm Warning | EWX | Kendall | 54 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.