Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 128, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 29, 1987, 4:55 AM CDT for Bandera County, Medina County, Uvalde County, Texas. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- May 29, 1987, 4:55 AM CDT (09:55 UTC)
- Expired
- May 29, 1987, 6:00 AM CDT
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
Counties Bandera County, TX, Medina County, TX, Uvalde 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, 9.9 hours before the alert went out and 143 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
- 4195 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 880 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 2.3
- Supercell composite
- 10.3
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 29, 1:27 AM CDT, 3 hours 28 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 127 AM CDT FRI MAY 29 1987 ...A SEVERE THUNDERSTORM WATCH COVERS ALL OF VAL VERDE COUNTY UNTIL 7 AM CDT... AT 115 AM CDT RADAR INDICATED A VERY STRONG THUNDERSTORM ABOUT 10 MILES WEST OF DEL RIO IN MEXICO MOVING EAST AT AROUND 25 MPH. THUNDERSTORMS ARE NOW SCATTERED OVER ALL OF VAL VERDE COUNTY. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 29, 2:06 AM CDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 200 AM CDT FRI MAY 19 1987 ...VERY INTENSE THUNDERSTORMS NOW MOVING NORTHWARD AND AWAY FROM AUSTIN... JUST BEFORE 2 AM...RADAR SHOWED A LINE OF VERY INTENSE THUNDERSTORMS... TO EXTEND FROM JUST NORTH OF COLLEGE STATION AND AUSTIN THROUGH KERR- VILLE AND ON INTO THE WESTERN HILL COUNTRY. THE STRONGEST STORMS WERE LOCATED NEAR CAMERON...IN MILAM COUNTY AND OVER WILLIAMSON COUNTY NEAR HUTTO AND LEANDER. THOSE INDIVIDUAL STORMS WERE MOVING TOWARDS THE NORTH NORTHEAST AT 30 MPH. NO SEVERE WEATHER HAS BEEN REPORTED TO OR DETECTED BY THIS OFFICE AT THIS TIME BUT CONDITIONS REMAIN VERY UNSTABLE. CONTINUE THE SEVERE THUNDERSTORM WATCH...WHICH COVERS TRAVIS AND ALL SURROUNDING COUNTIES.
Special weather statement, May 29, 2:38 AM CDT, 2 hours 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 138 AM CDT FRI MAY 29 1987 ...A SEVERE THUNDERSTORM WATCH COVERS ALL OF VAL VERDE COUNTY UNTIL 7 AM CDT... AT 125 AM CDT RADAR INDICATED A VERY STRONG THUNDERSTORM ABOUT 10 MILES WEST OF DEL RIO IN MEXICO MOVING EAST AT AROUND 25 MPH. THUNDERSTORMS ARE NOW SCATTERED OVER ALL OF VAL VERDE COUNTY. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN A0ND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 29, 2:58 AM CDT, 1 hour 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 300 AM CDT FRI MAY 19 1987 ...VERY INTENSE THUNDERSTORMS AND HEAVY RAINS REMAIN ON THE WEST AND NORTH SIDE OF AUSTIN.... LOCAL RADAR SHOWS VERY STRONG THUNDERSTORMS JUST WEST OF THE CITY...NEAR LAKE TRAVIS AND ALSO IN THE ROUND ROCK/GEORGETOWN AREAS. RAINFALL RATES WERE ESTIMATED AT JUST OVER TWO INCHES PER HOUR IN SEVERAL SMALL SPOTS WITHIN THOSE STORMS. AN UNCONFIRMED REPORT OF OVER THREE INCHES HAS FALLEN OUT AT LAKEWAY. THE THREAT OF FLASH FLOODING MAY BECOME MUCH MORE IMPORTANT DURING THE EARLY MORNING HOURS...EVEN THOUGH THESE STORMS HAVE A HIGH POTENTIAL FOR LARGE HAIL AND HIGH WINDS. CONTINUE THE SEVERE THUNDERSTORM WATCH FOR A LARGE PORTION OF CENTRAL AND SOUTH CENTRAL TEXAS...INCLUDING TRAVIS AND ALL SURROUNDING COUNTIES...UNTIL 7 AM.
Special weather statement, May 29, 4:47 AM CDT, 8 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 445 AM CDT FRI MAY 29 1987 THUNDERSTORMS ARE MOVING ACROSS COMAL COUNTY. THESE STORMS LIKELY CONTAIN FREQUENT LIGHTNING...POSSIBLE SMALL HAIL...GUSTY WINDS AND LOCALLY HEAVY RAIN. AS THESE STORMS MOVE ACROSS CANYON LAKE...BOATERS AND MARINAS MAY BE AFFECTED BY THE WEATHER...SAFETY MEASURES SHOULD BE TAKEN TO SAFEGUARD LIFE AND PROPERTY. ADDITIONAL STATEMENTS OR WARNINGS WILL BE ISSUED DURING THE MORNING AS WEATHER CONDITIONS DICTATE...SO PLEASE STAY TUNED.
Local storm report, May 29, 4:50 AM CDT, 5 minutes before
LOCAL STORM REPORT NATIONAL WEATHER SERVICE AUSTIN TX 450 AM CDT FRI MAY 29 1987 SHOAL CREEK NOW FLOODING HOMES IN THE 6200 BLOCK. SHOAL CREEK AT THE BRIDGE BOTTOM AND NOW FLOODING ANDERSON LANE. RAINFA#LL TOTALS APPROACHING SIX INCHES IN MANY SPOTS AROUND TRAVIS AND WILLIAMSON COUNTIES. AUS/JVD.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 7:05 PM CDT | Tornado Warning | EWX | Val Verde | 70 min |
| May 28, 8:20 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 70 min |
| May 28, 9:13 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 62 min |
| May 28, 9:55 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 65 min |
| May 28, 10:18 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 57 min |
| May 28, 11:14 PM CDT | Severe Thunderstorm Warning | EWX | Kinney | 61 min |
| May 29, 12:24 AM CDT | Severe Thunderstorm Warning | EWX | Real, Uvalde | 66 min |
| May 29, 12:24 AM CDT | Severe Thunderstorm Warning | EWX | Kinney | 66 min |
| May 29, 1:35 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Uvalde | 55 min |
| May 29, 2:32 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina | 58 min |
| May 29, 2:35 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 2 hr |
| May 29, 3:14 AM CDT | Flash Flood Warning | EWX | Travis, Williamson | 2 hr |
| May 29, 3:19 AM CDT | Flash Flood Warning | EWX | Bandera, Kendall, Kerr, Real | 4 hr |
| May 29, 3:19 AM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 4 hr |
| May 29, 3:30 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Real, Uvalde | 60 min |
| May 29, 3:30 AM CDT | Severe Thunderstorm Warning | EWX | Kendall | 60 min |
| May 29, 3:30 AM CDT | Severe Thunderstorm Warning | EWX | Medina | 60 min |
| May 29, 4:39 AM CDT | Flash Flood Warning | EWX | Bastrop, Caldwell, Hays | 4 hr |
| May 29, 4:39 AM CDT | Flash Flood Warning | EWX | Lee | 4 hr |
| May 29, 4:39 AM CDT | Flash Flood Warning | EWX | Blanco | 4 hr |
| May 29, 4:58 AM CDT | Severe Thunderstorm Warning | EWX | Kinney, Maverick | 62 min |
| May 29, 7:27 AM CDT | Flash Flood Warning | EWX | Bandera, Medina, Uvalde | 4 hr |
| May 29, 11:58 AM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real | 3 hr |
| May 29, 1:32 PM CDT | Severe Thunderstorm Warning | EWX | Kerr | 58 min |
| May 29, 2:23 PM CDT | Flash Flood Warning | EWX | Edwards, Kerr, Real | 3 hr |
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.