Alert archive / Texas / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 82, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Aug 19, 1986, 3:47 PM CDT for San Saba County, Texas. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1986, 3:47 PM CDT (20:47 UTC)
- Expired
- Aug 19, 1986, 4:45 PM CDT
- In force
- 58 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County San Saba 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
Stephenville/Cla, TX (KSEP), launched 12:00Z, 8.8 hours before the alert went out and 137 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
- 2456 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1075 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAAOO KAUS 192047
SVRAUS
TXC411-192145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AUSTIN TX
347 PM CDT TUE AUG 19 1986
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES:
IN NORTH CENTRAL TEXAS
..SAN SABA
JUST BEFORE 4 PM...AN ISOLATED RAPIDLY INTENSIFING THUNDERSTORM
FORMED ALONG THE COLORADO RIVER..JUST NORTH OF THE CITY OF SAN SABA.
IT WAS DRIFTING WESTWARD AROUND 10 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH,
DESTRUCTIVE HAIL, DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.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, Aug 19, 12:03 PM CDT, 3 hours 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1205 PM CDT TUE AUG 19 1986 ...VERY HOT TEMPERATURES ACROSS SOUTH TEXAS TO CONTINUE... TEMPERATURES WILL AGAIN REACH 100 DEGREES OR HIGHER OVER MUCH OF THE INTERIOR OF SOUTH TEXAS THIS AFTERNOON. NEAR THE COAST READINGS WILL REACH ONLY INTO THE 90S BUT WITH HIGHER HUMIDITIES CONDITIONS WILL FEEL JUST AS UNCOMFORTABLE. THE CAUSE OF THIS VERY HOT WEATHER IS RELATED TO A LARGE WARM CELL OF HIGH PRESSURE EXTENDING INTO TEXAS FROM NEW MEXICO AND COLORADO. NO CHANGE IN THIS HIGH PRESSURE PATTERN IS EXPECTED IN THE NEXT FEW DAYS. PERSONS WORKING OUT OF DOORS..THOSE LIVING IN UNAIRCONDITIONED SPACES ...THE ELDERLY AND PEOPLE IN POOR HEALTH SHOULD TAKE PRECAUTIONS FOR THIS PERIOD OF EXTREME HEAT.
Special weather statement, Aug 19, 2:30 PM CDT, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 230 PM CDT TUE AUG 19 1986 ...VERY HOT TEMPERATURE READINGS ACROSS SOUTH TEXAS THIS AFTERNOON... TEMPERATURES HAVE RISEN TO NEAR 100 OR HIGHER THIS AFTERNOON OVER MUCH OF SOUTH TEXAS WITH RELATIVE HUMIDITY VALUES ADDING TO THE HEAT DISCOMFORT. THE HEAT INDEX READINGS OVER SOUTH TEXAS HAVE RISEN TO 105 OR HIGHER OVER MANY SECTIONS AND EVEN ABOVE 110 OVER PORTIONS OF SOUTHEAST TEXAS. IT IS VERY IMPORTANT TO TAKE THE HOT TEMPERATURES SERIOUSLY FOR THE REMAINDER OF TODAY. WINDS ARE QUITE LIGHT AND MANY BUILDINGS WITHOUT AIR CONDITIONING WILL LACK VENTILATION. SOME SAFETY TIPS TO REMEMBER DURING HIGH HEAT INDEX PERIODS. 1. SLOW DOWN. STRENUOUS ACTIVITIES SHOULD BE REDUCED OR RESCHEDULED TO COOLER TIMES OF THE DAY. 2. DRESS IN LIGHTWEIGHT LIGHT-COLORED CLOTHING. THIS WILL HELP YOU BODY MAINTAIN NORMAL TEMPERATURES. 3. DRINK PLENTY OF WATER OR OTHER NON-ALCOHOLIC FLUIDS. YOUR BODY NEEDS WATER TO KEEP COOL. DRINK PLENTY OF FLUIDS EVEN IF YOU DON'T FEEL THIRSTY. PERSONS WHO HAVE EPILEPSY..HEART..KIDNEY..OR LIVER DISEASE..ARE ON FLUID RESTRICTIVE DIETS.. OR HAVE A PROBLEM WITH FLUID RETENTION SHOULD CONSULT A PHYSICIAN BEFORE INCREASING THEIR CONSUMPTION OF FLUIDS. 4. DON'T GET TOO MUCH SUN. SUNBURN MAKES THE JOB OF HEAT DISSIPATION THAT MUCH MORE DIFFICULT. SEVERAL MORE HOURS OF TEMPERATURES ABOVE 100 DEGREES TODAY WILL MAKE UNAIRCONDITIONED HOMES AND BUILDINGS DANGEROUS TO THOSE MOST SUSCEPTIBLE TO HEAT STRESS..PARTICULARLY THE ELDERLY AND THOSE WHO ARE ILL. IF YOU HAVE A FRIEND..RELATIVE..OR NEIGHBOR WHO YOU SUSPECT MAY BE BE CONFINED TO A HOT UNVENTILATED AREA..IT WOULDT BE WISE TO CHECK WITH THEM FREQUENTLY..OR BETTER YET MOVE THEM TO A COOLER PLACE. ALSO..DON'T FORGET YOUR PETS. THEY NEED PLENTY OF WATER AND A SHADY PLACE TO STAY.
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.