Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 35, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 4, 1987, 1:39 AM CDT for Edwards County, Texas. It was in force for 66 min.
The area
The counties it named.
The facts
- Issued
- May 4, 1987, 1:39 AM CDT (06:39 UTC)
- Expired
- May 4, 1987, 2:45 AM CDT
- In force
- 66 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Edwards 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 00:00Z, 6.7 hours before the alert went out and 86 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3152 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 040639
SVRSAT
TXC137-040745-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
139 AM CDT MON MAY 4 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 245 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...EDWARDS
RADAR INDICATES A BROKEN LINE OF THUNDERSTORMS FROM CARTA VALLEY
NORTHEASTWARD INTO NORTHCENTRAL EDWARDS COUNTY. THESE THUNDERSTORMS
ARE MOVING EAST AT 25 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...HAIL
3/4 INCH OR MORE IN DIAMETER...FREQUENT LIGHTNING AND VERY HEAVY
RAIN.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHPER RADIO STATION
FOR LATER STATEMENTS OR WARNINGS REGARDING THIS SEVERE WEATHER EVENT.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, 9:03 PM CDT, 4 hours 36 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 855 PM CDT SUN MAY 3 1987 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT FOR THE COUNTIES AROUND THE AUSTIN AND CENTRAL TEXAS AREA. AT 845 PM...WEATHER RADAR SHOWED VERY STRONG THUNDERSTORMS NEAR LOTT AND ABOUT 25 EAST OF WACO. THIS WAS IN AN AREA OF SCATTERED SHOWERS AND THUNDERSTORMS EXTENDING FROM NEAR LA GRANGE NORTH THROUGH THE ROCKDALE AND CAMERON AREA. ALSO FROM NEAR TEMPLE TO NORTH OF WACO THEN EAST TO NEAR PALESTINE. THESE THUNDERSTORMS WERE MOVING NORTH NORTHEAST AT ABOUT 25 MPH. PERSONS IN AND NEAR THE WATCH AREA...SHOULD STAY ON THE ALERT AND CHECK FOR THE LATEST WEATHER INFORMATION OFTEN. ADDITIONAL STAT)EMENTS AND WARNINGS WILL BE ISSUED AS CONDITION WARRENT.
Special weather statement, May 3, 10:07 PM CDT, 3 hours 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1005 PM CDT SUN MAY 3 1987 A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL MIDNIGHT FOR THE COUNTIES AROUND THE AUSTIN AND CENTRAL TEXAS AREA. AT 950 PM...WEATHER RADAR SHOWED THUNDERSTORMS DEVELOPING IN AND NEAR THE AUSTIN AREA. THESE THUNDERSTORMS WERE FROM SOUTH AUSTIN TO NEAR SAN MARCOS AND BETWEEN LAKE TRAVIS AND LIBERTY HILL. OTHER THUNDERSTORMS WERE LOCATED FROM NEAR TEMPLE TO NORTH OF WACO EAST TO NEAR PALESTINE. MOVEMENT WAS NORTHEAST AT NEAR 20 MPH. THESE THUNDERSTORMS NEAR THE AUSTIN AREA HAVE BEEN PRODUCING SOME MARLE SIZE. PERSONS IN AND NEAR THE WATCH AREA...SHOULD STAY ON THE ALERT AND CHECK FOR THE LATEST WEAhTHER INFORMATION OFTEN. ADDITIONAL STATEMENTS AND WARNINGS WILL BE ISSUED AS CONDITION WARRENT.
Local storm report, May 4, 12:11 AM CDT, 1 hour 28 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AUSTIN TX
0005 AM CDT MON MAY 04 1987
1200 MIDNIGHT...DPS UNIT NEAR LULING CONFIRMED TWO...TWIN...TORNADOES
ON THE GROUND JUST WEST OF LULING.
AUS/JVD.Local storm report, May 4, 1:06 AM CDT, 33 minutes before
STORM REPORT NATIONAL WEATHER SERVICE SAN ANTONIO TX 108 AM CDT MON MAY 4 1987 TIME EVENT 1245 AM GOLF BALL SIZE HAIL IN CITY OF HARWOOD GONZALES COUNTY.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 10:12 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 63 min |
| May 3, 10:37 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 68 min |
| May 3, 11:10 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell | 65 min |
| May 3, 11:44 PM CDT | Tornado Warning | EWX | Caldwell | 61 min |
| May 4, 12:09 AM CDT | Tornado Warning | EWX | Gonzales | 66 min |
| May 4, 12:56 AM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 64 min |
| May 4, 2:47 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Edwards, Kerr, Real, Uvalde | 58 min |
| May 4, 2:47 AM CDT | Severe Thunderstorm Warning | EWX | Kinney | 58 min |
| May 4, 3:47 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Uvalde | 58 min |
| May 4, 3:47 AM CDT | Severe Thunderstorm Warning | EWX | Kendall, Kerr | 58 min |
| May 4, 4:39 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina | 66 min |
| May 4, 5:59 AM CDT | Severe Thunderstorm Warning | EWX | Bexar | 61 min |
| May 4, 6:21 AM CDT | Severe Thunderstorm Warning | EWX | Guadalupe, Wilson | 69 min |
| May 4, 6:39 AM CDT | Severe Thunderstorm Warning | EWX | Maverick | 66 min |
| May 4, 7:37 AM CDT | Severe Thunderstorm Warning | EWX | Zavala | 68 min |
| May 4, 10:17 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit | 73 min |
| May 4, 11:49 AM CDT | Severe Thunderstorm Warning | EWX | Webb | 56 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.