Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 79, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 19, 1987, 4:14 PM CDT for Bexar County, Texas. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- May 19, 1987, 4:14 PM CDT (21:14 UTC)
- Expired
- May 19, 1987, 5:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Bexar 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
Victoria Regiona, TX (KVCT), launched 12:00Z, 9.2 hours before the alert went out and 171 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
- 1597 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 44 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 192114
SVRSAT
TXC029-192215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
414 PM CDT TUE MAY 19 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 515 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...BEXAR
AT 410 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM IN EAST BEXAR
COUNTY MOVING NORTH AT 30 MILES AN HOUR. THE PUBLIC IN THE EAST
PART OF SAN ANTONIO AND BEXAR COUNTY HAS REPORTED HAIL AND HIGH
WINDS WITH THIS THUNDERSTORM.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...HAIL
3/4 INCH OR MORE IN DIAMETER...FREQUENT LIGHTNING AND VERY HEAVY
RAIN.
WHEN A THUNDERSTORM THREATENS...SEEK SHELTER INSIDE A HOME OR
BUILDING AWAY FROM DOORS AND WINDOWS. REFRAIN FROM USING ELECTRICAL
APPLIANCES.
YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR
SEVERE WEATHER REPORTS TO BTHE LOCAL NATIONAL WEATHER SERVICE OFFICE.
PLEASE LISTEN TO YOUR LOCAL RADIO...TV OR NOAA WEATHER 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 19, 10:29 AM CDT, 5 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1030 AM CDT TUE MAY 19 1987 A LARGE AREA OF LIGHT TO MODERATE RAIN AND A FEW THUNDERSTORMS CONTINUED OVER SOUTH CENTRAL TEXAS AND THE HILL COUNTRY THIS MORNING. ALL OF THIS ACTIVITY WAS MOVING TO THE NORTH AT 35 MPH. THE HEAVY THUNDERSTORMS THAT MOVED THROUGH SAN ANTONIO EARLIER THIS MORNING HAVE MOVED INTO THE TEXAS HILL COUNTRY. ANOTHER LINE OF SHOWER AND THUNDERSTORMS HAS FORMED ALONG A DRY AREA SOUTHWEST OF SAN ANTONIO. THIS LINE WAS LOCATED FROM THE GARNER STATE PARK AREA SOUTHEAST TO NEAR PLEASANTON AND SHOULD MOVE INTO BEXAR COUNTY DURING THE NEXT HOUR OR SO. OTHERWISE LIGHT TO MODERATE RAIN WILL CONTINUE OFF AND ON THROUGHOUT THE MORNING. MOST RAINFALL REPORTS SO FAR THIS MORNING WERE IN THE ONE HALF TO ONE INCH CATEGORY WITH A FEW ISOLATED AREAS IN THE HILL COUNTRY REPORTING 2 TO 3 INCHES. A FEW OF THE HEAVIER AMOUNTS WERE 3.00 INCHES AT BANDERA...2.60 AT 6 MILES SOUTH OF CENTER POINT...1.95 PIPE CREEK... 1.77 AT MEDINA...AND 1.60 INCHES AT CENTER POINT. THE AIR OVER SOUTH TEXAS WILL REMAIN UNSTABLE THROUGHOUT THE AFTERNOON INTO THIS EVENING AND THE CHANCES OF RAIN WILL STAY HIGH FUNTIL THE UPPER AIR DISTUBANCE OVER WEST TEXAS MOVES NORTHEASTWARD OUT OF THE AREA.
Special weather statement, May 19, 1:25 PM CDT, 2 hours 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 128 PM CDT TUE MAY 19 1987 AT 125 PM CDT RADAR INDICATED THUNDERSTORMS 5 MILES WEST OF DEL RIO MOVING SLOWLY TOWARD LAKE AMISTAD. HEAVY RAIN...SMALL HAIL...STRONG GUSTY WINDS AND FREQUENT DANGEROUS LIGHTNING ARE POSSIBLE WITH THESE STORMS. BOATERS ON LAKE AMISTAD SHOULD KEEP A LOOKOUT AND BE PREPARED TO SEEK SAFE HARBOR.
Special weather statement, May 19, 2:00 PM CDT, 2 hours 14 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 158 PM CDT TUE MAY 19 1987 ...HAIL AND TORNADOES NORTHWEST AND NORTH OF AUSTIN... AT 128 PM THE D.P.S. UNIT AT LAMPASAS RELAYED A REPORT OF A SMALL TORNADO WHICH PASSED THROUGH THE EAST SIDE OF THE CITY OF SAN SABA. SOME DAMAGE TO HOUSES AND TREES DOWN, BUT NO INJURIES REPORTED AT THIS TIME. AT 150 PM...MARBLE SIZE HAIL WAS REPORTED ON THE WEST AND NORTH SIDE OF CEDAR PARK, MOVING RAPIDLY TOWARDS THE NORTH. ALSO A BRIEF HEAVY DOWNPOUR WITH THE HAIL. JUST BEFORE 2 PM...THE WACO OFFICE ISSUED A TORNADO WARNING FOR THAT CITY. NEWLY DEVELOPING THUNDERSTORMS WERE LOCATED EAST OF SAN ANTONIO NEAR SEGUIN AND LULING WERE ALSO MOVING NORTHWARD TOWARDS AUSTIN.
Special weather statement, May 19, 2:33 PM CDT, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 232 PM CDT TUE MAY 19 1987 ...STRONG THUNDERSTORM WITH SMALL HAIL LOCATED JUST SOUTH OF SAN MARCOS... WIDELY SCATTERED BUT VERY SHORT-LIVED> INTENSE THUNDERSTORMS CONTINUE TO RAPIDLY FORM AND MOVE NORTHWARD AT 20 MPH OVER CENTRAL TEXAS. THE HEAVIEST RAINS WERE NORTH OF GEORGETOWN...NEAR JARRELL AND ABOUT HALF WAY BETWEEN SAN MARCOS AND SEGUIN.
Special weather statement, May 19, 3:17 PM CDT, 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DEL RIO TX 315 PM CDT TUE MAY 19 1987 AT 310 PM CDT A LINE OF THUNDERSTORMS HAD DEVELOPED SOUTH OF COMSTOCK AND EXTENDED TO THE NORTHERN VAL VERDE COUNTY LINE. OTHER THUNDERSTORMS WERE IN NORTHEASTERN PART OF THE COUNTY. THE LARGEST THUNDERSTORM WAS NEAR COMSTOCK. THE STORMS WERE MOVING NORTHEAST AT 15 MILES AN HOUR. HEAVY RAIN...SMALL HAIL...FREQUENT DANGEROUS LIGHTNING AND STRONG GUSTY WIND|S ARE POSSIBLE WITH THE STORMS.
Special weather statement, May 19, 3:23 PM CDT, 51 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 320 PM CDT TUE MAY 19 1987 ...STRONG THUNDERSTORMS WITH SMALL HAIL SCATTERED AROUND CENTRAL TEXAS... NUMEROUS SMALL... BUT QUITE INTENSE THUNDERSTORMS CONTINUE TO DEVELOP AND MOVE NORTHWARD AT 20 MPH OVER CENTRAL TEXAS. THE HEAVIEST RAINS WERE ALONG A 30 MILE WIDE BAND FROM CENTRAL BELL COUNTY TO LAKE TRAVIS... NEW BRAUNFELS AND ON SOUTH OF SAN ANTONIO.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 7:19 PM CDT | Severe Thunderstorm Warning | EWX | Maverick | 56 min |
| May 18, 7:35 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| May 18, 9:13 PM CDT | Severe Thunderstorm Warning | EWX | Real | 62 min |
| May 19, 10:58 AM CDT | Flash Flood Warning | EWX | Kendall | 2 hr |
| May 19, 3:15 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 60 min |
| May 19, 4:23 PM CDT | Severe Thunderstorm Warning | EWX | Hays, Travis | 67 min |
| May 19, 5:03 PM CDT | Tornado Warning | EWX | Guadalupe | 57 min |
| May 19, 6:06 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Wilson | 54 min |
| May 19, 6:29 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 61 min |
| May 19, 6:39 PM CDT | Tornado Warning | EWX | Wilson | 66 min |
| May 19, 6:59 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 61 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.