Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 83, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 19, 1987, 6:59 PM CDT for Bexar County, Texas. It was in force for 61 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 19, 1987, 6:59 PM CDT (23:59 UTC)
- Expired
- May 19, 1987, 8:00 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 19, 8:00 PM CDT | Hail 1.75 | Bexar, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Victoria Regiona, TX (KVCT), launched 12:00Z, 12.0 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 192359
SVRSAT
TXC029-200100-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
659 PM CDT TUE MAY 19 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 800 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...BEXAR
SEVERE THUNDERSTORMS CONTINUE OVER BEXAR COUNTY. THESE THUNDERSTORMS
ARE NEARLY STATIONARY AND ARE CAUSING VERY HEAVY RAINS.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...HAIL
3/4 INCH OR MORE IN DIAMETER...FREQUENT LIGHTNING AND VERY HEAVY
RAIN.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO WARNING.
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, 2:00 PM CDT, 4 hours 59 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, 4 hours 26 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, 3 hours 42 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, 3 hours 36 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.
Special weather statement, May 19, 4:20 PM CDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 420 PM CDT TUE MAY 19 1987 AT 415 PM CDT LOCAL WEATHER RADAR SHOWED WIDESPREAD THUNDERSTORMS OVER NEARLY ALL OF THE CENTRAL TEXAS AREA. VERY INTENSE THUNDERSTORMS WERE LOCATED IN SOUTHWEST HAYS COUNTY AND IN EASTERN HAYS COUNTY. THESE INTENSE THUNDERSTORMS ARE MOVING NORTH AT 20 TO 30 MPH AND WILL BE MOVING ACROSS HAYS COUNTY AND INTO TRAVIS COUNTY BY 5 PM. OTHER INTENSE THUNDERSTORMS WERE LOCATED JUST SOUTH OF BURNET AND NEAR JOHNSON CITY. A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR ALL OF CENTRAL UNTIL 9 PM THIS TUESDAY EVENING. RUSH HOUR MOTORISTS IN AUSTIN SHOULD ANTICIPATE SOME HEAVY RAIN AND POSSIBLE SMAALL HAIL ALONG WITH STRONG GUSTY WINDS WHILE DRIVING HOME.
Special weather statement, May 19, 6:18 PM CDT, 41 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 615 PM CDT TUE MAY 19 1987 AT 6 PM CDT LOCAL WEATHER RADAR SHOWED WIDESPREAD THUNDERSTORMS OVER NEARLY ALL OF THE CENTRAL TEXAS AREA. AN INTENSE THUNDERSTORM WAS LOCATED JUST SOUTH OF AUSTIN OVER SOUTHERN TRAVIS COUNTY AND NORTHERN CALDWELL COUNTY MOVING TOWARDS BASTROP COUNTY. THIS THUNDERSTORM MAY PRODUCE BRIEF HEAVY RAINFALL...GUSTY WINDS TO NEAR 40 MPH...SMALL HAIL AND FREQUENT LIGHTNING AS IT MOVES TOWARDS AND INTO BASTROP COUNTY. A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR ALL OF CENTRAL UNTIL 9 PM THIS TUESDAY EVENING.
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, 4:14 PM CDT | Severe Thunderstorm Warning | EWX | Bexar | 61 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 |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.