Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 74, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 16, 1987, 5:36 PM CDT for Edwards County, Texas. It was in force for 54 min.
The area
The counties it named.
The facts
- Issued
- May 16, 1987, 5:36 PM CDT (22:36 UTC)
- Expired
- May 16, 1987, 6:30 PM CDT
- In force
- 54 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 12:00Z, 10.6 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
- 3199 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 585 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSAT 162236
SVRSAT
TXC137-162330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANTONIO TX
536 PM CDT SAT MAY 16 1987
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTH TEXAS
...EDWARDS
A SEVERE THUNDERSTORM IS LOCATED JUST NORTH OF ROCKSPRINGS TEXAS AND
IS MOVING SOUTH ABOUT 15 MPH. THIS SEVERE THUNDERSTORM CONTAINS
HAIL...DAMAGIN WINDS...AND HEAVY RAINS. RESIDENTS OF ROCKSPRINGS
SHOULD EXPECT THIS SEVERE THUNDERSTORM TO PASS OVER OR NEAR THEIR
CITY SHORTLY.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...HAIL
3/4 I NCH OR MORE IN DIAMETER...FREQUENT LIGHTNING AND VERY HEAVY
RAIN.
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 16, 12:24 PM CDT, 5 hours 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1215 PM CDT SAT MAY 16 1987 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MILLS...LAMPASAS AND SAN SABA COUNTIES FOR TODAY. RADAR INDICATED AN AREA OF SCATTERED THUNDERSTORMS ABOUT 50 MILES WIDE FROM SOUTHEAST OF BROWNWOOD SOUTHEAST TO JUST NORTH OF THE AUSTIN AREA TO NEAR BRENHAM. THIS AREA OF THUNDERSTORMS CONTINUES TO MOVE EAST SOUTH EAST AT NEAR 25 MPH. ANOTHER AREA OF SCATTERED THUNDERSHOWER WAS OVER AN AREA ABOUT 30 MILES WIDE FROM NEAR MENARD SOUTHEAST THROUGH FREDERICKSBURG...JOHNSON CITY AND NEW BRAUNFELS AREAS TO NEAR LULING. THESE THUNDERSTORMS WERE MOVING EAST AT ABOUT 20 MPH. THESE THUNDERSTORM COULD PRODUCE LOCAL HERAVY RAINS...STRONG GUSTY WINDS AND POSSIBLE HAIL AS THEY MOVE THROUGH CENTRAL TEXAS.
Special weather statement, May 16, 1:46 PM CDT, 3 hours 50 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 140 PM CDT SAT MAY 16 1987 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MILLS...LAMPASAS AND SAN SABA COUNTIES FOR TODAY. RADAR INDICATED A LINE OF SCATTERED THUNDERSTORMS ABOUT 10 MILES WIDE FROM NEAR LAMPASAS THROUGH LAKE L B J...DRIPPING SPRINGS...SAN MARCOS ...LOCKHART AREAS TO EAST OF COLUMBUS. THIS WAS IN A LAGRE AREA OF MOSTLY LIGHT TO MODERATE SHOWERS THAT COVERED ABOUT 70 PERCENT OF THE AREA WITHIN 100 MILES OF AUSTIN. THESE THUNDERSTORMS WERE MOVING EASTWARD AT ABOUT 25 MPH. THESE THUNDERSTORM COULD PRODUCE LOCAL HEAVY RAINS...STRONG GUSTY WINDS AND POSSIBLE HAIL AS THEY MOVE THROUGH CENTRAL TEXAS. ADDITIONAL STATMENTS OR WARNINGS WILL BE ISSUED AS CONDITIONS WARRENT.
Special weather statement, May 16, 2:51 PM CDT, 2 hours 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 250 PM CDT SAT MAY 16 1987 ...A FLASH FLOOD WATCH IS IN EFFECT FOR MILLS...LAMPASAS AND SAN SABA COUNTIES FOR TODAY. RADAR INDICATED A LARGE AREA OF SCATTERED THUNDERSTORMS FROM KERRVILLE TO MASON TO SAN SABA SOUTHEAST THROUGH THE AUSTIN AND CENTRAL TEXAS AREA TO EAST PF COLLEGE STATION AND INTO THE HOUSTON AREA. THESE THUNDERSTORMS WERE MOVING EASTWARD AT ABOUT 25 MPH. THESE THUN"DERSTORM COULD PRODUCE LOCAL HEAVY RAINS...STRONG GUSTY WINDS AND POSSIBLE HAIL AS THEY MOVE THROUGH CENTRAL TEXAS. ADDITIONAL STATMENTS OR WARNINGS WILL BE ISSUED AS CONDITIONS WARRENT.
Special weather statement, May 16, 4:03 PM CDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 355 PM CDT SAT MAY 16 1987 ...THE FLASH FLOOD WATCH IS NO LONGER IN EFFECT FOR MILLS...LAMPASAS AND SAN SABA COUNTIES. RADAR INDICATED THE MOST INTENSE THUNDERSTORMS ARE NOW LOCATED ALONG THE COASTAL PLAINS FROM THE HOUSTON AREA TO NEAR BEEVILLE. HOWEVER A LARGE AREA SHOWERS AND SCATTERED THUNDERSTORMS CONTINUES OVER THE CENTRAL TEXAS AREA FROM STONEWALL TO LAKE BUCHANAN TO WACO...EASTy AND SOUTHEAST TO THE COASTAL PLAINS NEAR HOUSTON. THIS AREA OF THUNDERSTORMS WAS MOVING EASTWARD AT ABOUT 25 MPH.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 8:26 AM CDT | Severe Thunderstorm Warning | EWX | Frio, Medina, Uvalde, Zavala | 64 min |
| May 16, 8:32 AM CDT | Severe Thunderstorm Warning | EWX | Webb | 43 min |
| May 16, 10:03 AM CDT | Severe Thunderstorm Warning | EWX | Kerr | 57 min |
| May 16, 10:48 AM CDT | Severe Thunderstorm Warning | EWX | Bandera | 57 min |
| May 16, 10:59 AM CDT | Severe Thunderstorm Warning | EWX | Kerr | 61 min |
| May 16, 11:34 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Kendall | 56 min |
| May 16, 11:49 AM CDT | Severe Thunderstorm Warning | EWX | Guadalupe | 56 min |
| May 16, 12:46 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Guadalupe | 59 min |
| May 16, 2:38 PM CDT | Severe Thunderstorm Warning | EWX | Karnes | 67 min |
| May 16, 2:40 PM CDT | Severe Thunderstorm Warning | EWX | DeWitt | 65 min |
| May 16, 3:13 PM CDT | Severe Thunderstorm Warning | EWX | Goliad | 32 min |
| May 16, 3:52 PM CDT | Severe Thunderstorm Warning | EWX | Goliad, Victoria | 63 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.