Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 77, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 25, 1986, 5:55 AM CDT for Val Verde County, Texas. It was in force for 60 min.
The area
The counties it named.
The facts
- Issued
- May 25, 1986, 5:55 AM CDT (10:55 UTC)
- Expired
- May 25, 1986, 6:55 AM CDT
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde 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, 10.9 hours before the alert went out and 66 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
- 1948 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 1693 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDRT 251055 SVRDRT TXC465-251155- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DEL RIO TX 555 AM CDT SUN MAY 25 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 655 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE. AT 540 AM CDT VIOLENT THUNDERSTORMS WERE IN THE NORTHERN PART OF VAL VERDE COUNTY NEAR HIGHWAY 163 IN THE JUNO AREA..50 MILES NORTH NORTHWEST OF DEL RIO TEXAS AND THE VERY STRONG THUNDERSTORM LINE EXTENDED TO NEAR ROCK SPRINGS. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 30 MPH. THESE ARE VERY DANGEROUS STORMS. PEOPLE IN THEIR PATH SHOULD MOVE TO A REINFORCED SHELTER IMMEDIATELY AND BE PREPARED FOR LARGE HAIL..DAMAGING WINDS..HEAVY RAINS AND FREQUENT LIGHTNING. TO REPORT LARGE HAIL OR DAMAGING WINDS..ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR REPORT TO THE NEAREST NATIONAL WEATHER SERVICE OFFICE.
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 25, 12:37 AM CDT, 5 hours 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1235 AM CDT SUN MAY 25 1986 WEATHER RADAR SHOWS THUNDERSTORMS FROM LAKE TRAVIS AREA ACROSS NORTH AUSTIN THEN NORTHEAST TO NEAR CAMERON. HEAVIEST THUNDERSTORM WAS LOCATED NORTH OF ELGIN WHILE MOST OTHER THUNDERSTORMS HAVE DECREASED IN INTENSTY AND AREA. THUNDERSTORMS ARE MOVING TOWARD THE SOUTHEAST AT 15 TO 20 MPH THESE THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS AND LOCAL HEAVY RAINS AS THEY MOVE THROUGH CENTRAL TEXAS.
Special weather statement, May 25, 2:53 AM CDT, 3 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 253 PM CDT SUN MAY 25 1986 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR MUCH OF SOUTH CENTRAL TEXAS.. THE TEXAS HILL COUNTRY AND PORTIONS OF THE EDWARDS PLATEAU... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR THE PORTION OF SOUTH TEXAS WEST AND NORTH OF A LINE FROM COLLEGE STATION TO VICTORIA TO NORTH OF DEL RIO. THE CITIES OF AUSTIN..BRYAN-COLLEGE STATION..AND SAN ANTONIO ARE INCLUDED IN THE WATCH. THE CITIES OF DEL RIO AND VICTORIA ARE NOT INCLUDED IN THE WATCH AREA. AN AREA OF HEAVY THUNDERSTORMS CONTINUED TO MOVE SOUTHEASTWARD ACROSS THE TEXAS HILL COUNTRY EARLY THIS MORNING. AT 245 AM CDT THE AREA WAS ALONG AND 40 MILES EITHER SIDE OF A LINE FROM LLANO TO JUST NORTHWEST OF ROCKSPRINGS. THE AREA WAS MOVING TO THE SOUTHEAST AT NEAR 30 MILES AN HOUR. SEVERE WEATHER IS POSSIBLE AS THESE STORMS MOVE ACROSS THE HILL COUNTRY AND INTO SOUTH CENTRAL TEXAS. LARGE HAIL..DAMAGING WINDS AND BRIEF BUT VERY HEAVY RAINFALL COULD OCCUR. EVERYONE IS URGED TO MONITOR A SOURCE OF WEATHER INFORMATION AS THE STORMS APPROACH. SEVERE WEATHER REPORTS SHOULD BE PASSED TO THE NEAREST LAW ENFORCEMENT AGENCY FOR ALERT TO THE LOCAL COMMUNITIES AND RELAY TO THE NATIONAL WEATHER SERVICE.
Special weather statement, May 25, 3:53 AM CDT, 2 hours 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 350 AM CDT SUN MAY 25 1986 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR TRAVIS AND ALL SURROUNDING COUNTIES OF CENTRAL TEXAS UNTIL 9AM CDT THIS MORNING. WEATHER RADAR SHOWS A LINE OF THUNDERSTORMS FROM NEAR COMMANCHE SOUTH THROUGH SAN SABA AREA TO SOUTHEAST OF JUNCTION. HEAVIEST THUNDERSTORMS WERE LOCATED FROM NEAR MASON TO EAST OF JUNCTION AND EAST OF SAN SABA. THUNDERSTORMS ARE ?MOVING TOWARD THE SOUTH SOUTHEAST AT NEAR 25 MPH. THESE THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS AND LOCAL HEAVY RAINS AS THEY MOVE ACROSS THE HILL COUNTRY.
Special weather statement, May 25, 4:22 AM CDT, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 420 AM CDT SUN MAY 25 1986 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE HILL COUNTRY AND ADJACENT PORTIONS OF SOUTH CENTRAL TEXAS UNTIL 900 AM... HEAVY THUNDERSTORMS CONTINUE OVER MUCH OF THE TEXAS HILL COUNTRY THIS MORNING. AT 410 AM CDT..A FAIRLY BROAD LINE OF THUNDERSTORMS EXTENDED FROM EAST OF JUNCTION SOUTHWESTWARD INTO EXTREME NORTHEASTERN EDWARDS COUNTY. THE HEAVIEST STORMS WERE LOCATED IN NORTHEAST EDWARDS COUNTY ABOUT 25 MILES NORTHEAST OF ROCKSPRINGS. MOVEMENT WAS TO THE SOUTHEAST AT 35 MILES AN HOUR. REPORTS OF EXTREMELY HEAVY RAIN..BRIEF BUT STRONG GUSTY WIND AND PEA-SIZE HAIL WERE RECEIVED AS THIS LINE OF STORMS MOVED ACROSS THE JUNCTION AREA AROUND 300 AM THIS MORNING. A SECOND LINE OF THUNDERSTORMS HAS DEVELOPED WITHIN THE PAST COUPLE OF HOURS NEAR THE INTERSECTION OF VAL VERDE AND EDWARDS COUNTIES. THESE ..TOO..WERE MOVING SOUTHEAST AT 35 MILES AN HOUR. < ALTHOUGH NO REPORTS OF SEVERE WEATHER HAVE YET BEEN RECEIVED AT THE WEATHER OFFICE IN SAN ANTONIO..RESIDENTS ARE REMINDED THAT CONDITIONS ARE FAVORABLE FOR THE OCCURRENCE OF LARGE HAIL AND STRONG DAMAGING WIND. INQ ADDITION..SEVERE THUNDERSTORMS CAN AND OFTEN DO PRODUCE TORNADOES. CONTINUE TO MONITOR LOCAL RADIO..TELEVISION OR NOAA WEATHER RADIO THROUGHOUT THE REMAINDER OF THIS MORNING FOR ADDITIONAL WEATHER STATEMENTS AND/OR WARNINGS.
Special weather statement, May 25, 5:30 AM CDT, 25 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 525 AM CDT SUN MAY 25 1986 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR TRAVIS AND ALL SURROUNDING COUNTIES OF CENTRAL TEXAS UNTIL 9AM CDT THIS MORNING. WEATHER RADAR SHOWS A LINE OF THUNDERSTORMS FROM NEAR LAMPASAS SOUTH WEST THROUGH THE MARBLE FALL AND JOHNSON CITY AREAS TO SOUTHWEST OF KERRVILLE. THESE THUNDERSTORMS WERE IN A LARGE AREA OF RAIN THAT EXTENDED FROM NEAR FORT WORTH SOUTHWEST TO NORTHEAST OF DEL RIO. HEAVIEST THUNDERSTORMS WERE LOCATED ACROSS LLANO COUNTY AND SOUTHWEST OF KERRVILLE. THUNDERSTORMS ARE MOVING TOWARD THE SOUTH SOUTHEAST AT NEAR 30 MPH. THESE THUNDERSTORMS COULD PRODUCE STRONG GUSTY WINDS AND BRIEF LOCAL HEAVY RAIN.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 8:20 PM CDT | Severe Thunderstorm Warning | EWX | Lampasas, Mills | 55 min |
| May 25, 6:50 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 60 min |
| May 25, 4:28 PM CDT | Flash Flood Warning | EWX | Bexar | 4 hr |
| May 25, 6:11 PM CDT | Tornado Warning | EWX | Goliad | 64 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1986Every severe thunderstorm warning in 1986
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.