Alert archive / Texas / Flash Flood Warnings in 1992
Flash Flood Warning 83, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 19, 1992, 4:00 AM CDT for Val Verde County, Texas. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1992, 4:00 AM CDT (09:00 UTC)
- Expired
- Jul 19, 1992, 10:00 AM CDT
- In force
- 6 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 9.0 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
- 503 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 1232 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- -15 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 KDRT 190904 FFWDRT TXC465-191500- BULLETIN - EBS ACTIVITATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE DEL RIO TX 400 AM CDT SUN JUL 19 1992 THE NATIONAL WEATHER SERVICE HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1000 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTY IN SOUTHCENTRAL TEXAS...VAL VERDE. AT 400 AM CDT AN AREA OF SHOWERS AND THUNDERSTORMS COVERED VAL VERDE COUNTY EXTENDING TO 50 MILES SOUTH OF DEL RIO AND EAST TO THE CAMP WOOD AREA. THUNDERSTORMS WITH RAINFALL RATES OF 2 TO 4 INCHES AN HOUR WERE LOCATED JUST EAST OF COMSTOCK AND 15 MILES SOUTHWEST OF DEL RIO. IN THE LAST THREE HOURS THE DEL RIO NATIONAL WEATHER SERVICE HAS RECEIVED .70 INCH OF RAIN. BECAUSE THE THUNDERSTORMS WERE MOVING SLOWLY TO THE NORTH AT 5 MPH AND YESTERDAY'S RAINS OF 3 TO 5 INCHES IN NORTHERN VAL VERDE COUNTY FLASH FLOODING IS AGAIN LIKELY ACROSS THE NORTHERN AND EASTERN HALF OF THE COUNTY. HIGHWAY 163 THAT RUNS NORTH OUT OF COMSTOCK THROUGH CENTRAL VAL VERDE COUNTY REMAINS CLOSED TO TRAFFIC BECAUSE OF HIGH WATER IN NORTHERN SECTIONS OF THE COUNTY. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES..DIPS..OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV AND RADIO FOR FURTHER DETAILS AS THEY DEVELOP.
What forecasters said that day
The local office's own words before this flash flood 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, Jul 18, 10:18 PM CDT, 5 hours 42 minutes before
TXZ030-034>037-190500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1010 PM CDT SAT JUL 18 1992 ...THUNDERSTORMS MOVING OVER THE CITY OF AUSTIN... AT 1005 PM...SHOWERS AND THUNDERSTORMS WERE SHOWN IN A BAND 30 TO 50 MILES WIDE FROM SOUTHWEST OF SAN ANTONIO TO AUSTIN TO NEAR WACO AND BETWEEN AUSTIN...LAGRANGE AND COLLEGE STATION WITH MOVEMENT TOWARDS THE NORTHEAST AT 15 MPH. THE THUNDERSTORMS HAVE BEGUN TO SLOWLY DIMINISH IN INTENSITY...BUT STRONG THUNDERSTORMS WERE LOCATED SOUTH AND EAST OF JOHNSON CITY. THUNDERSTORMS WILL LIKELY CONTAIN BRIEF LOCALLY HEAVY RAINS...DANGEROUS LIGHTNING AND GUSTY WINDS. WE DID RECEIVE ONE REPORT OF 4.75 INCHES OF RAINFALL THAT OCCURRED 6 *MILES WEST OF THE CITY OF LEANDER...WHICH IS LOCATED 20 MILES NORTHWEST OF AUSTIN. PJL
Special weather statement, Jul 18, 10:53 PM CDT, 5 hours 7 minutes before
TXZ034-035-038-039-190600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 1055 PM CDT SAT JUL 18 1992 AT 1050 PM CDT...HONDO RADAR INDICATED A THUNDERSTORM MOVING INTO BEXAR COUNTY AND THE CITY OF SAN ANTONIO FROM THE WEST. THIS STORM LIKELY CONTAINS LOCALLY HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY SURFACE WINDS. RESIDENTS IN BEXAR COUNTY AND THE CITY OF SAN ANTONIO...AS WELL AS THOSE COUNTIES ADJACENT TO BEXAR COUNTY...SHOULD BE ON THE ALERT FOR THREATENING WEATHER AND ACT ACCORDINGLY. OTHER THUNDERSTORMS ARE NOTED IN KENDALL...BANDERA...MEDINA AND COMAL COUNTIES. MOVEMENT IS TOWARD THE NORTH AT 15 MPH. ADDITIONAL STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.
Special weather statement, Jul 18, 11:37 PM CDT, 4 hours 23 minutes before
TXZ036-037-190530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1130 PM CDT SAT JUL 18 1992 ...SLOW MOVING THUNDERSTORMS OVER THE CAPITAL AREA... AT 1125 PM...RADAR SHOWED A BROAD AREA OF RAIN WITH SCATTERED EMBEDDED THUNDERSTORMS...EXTENDING FROM GEORGETOWN ACROSS AUSTIN TO NEAR DRIPPING SPRINGS AND BLANCO. SATELLITE ESTIMATED RAINFALL TOTALS BETWEEN 2.4" AND 3.3" OVER PARTS OF BLANCO AND GILLESPIE COUNTIES DURING THE PREVIOUS 4 HOURS. SHOWERS AND THUNDERSTORMS WERE SLOWLY DISSIPATING OVER WILLIAMSON...TRAVIS...BLANCO AND HAYS COUNTIES...WITH A FEW ISOLATED RAINFALL RATES AROUND 1/2 INCH PER HOUR. DUE TO THE SLOW MOVEMENT OF THE RAIN AND THUNDERSTORMS...SOME LOCALIZED FLOODING OF STREETS...ROADS...DRAINAGE DITCHES AND LOW WATER CROSSINGS. JVD
Special weather statement, Jul 19, 12:46 AM CDT, 3 hours 14 minutes before
TXZ034-036-037-190645- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 1245 AM CDT SUN JUL 19 1992 ...MODERATE RAINS CONTINUE OVER THE HILL COUNTRY WEST OF AUSTIN... AT 1240 AM...RADAR SHOWED LIGHT TO MODERATE RAINS OVER MUCH OF SOUTH CENTRAL TEXAS...BETWEEN WACO...AUSTIN AND SAN ANTONIO. A FEW THUNDER- STORMS WERE OVER EASTERN WILLIAMSON COUNTY...NEAR HUTTO/THRALL AND THORNDALE. ANOTHER EMBEDDED THUNDERSTORM WAS OVER THE CITY OF BLANCO. THEY WERE SHOWING LITTLE OR NO MOVEMENT. SOME SPOTS OUT IN THE HILL COUNTRY MAY HAVE RECEIVED AS MUCH AS 2 TO 4 INCHES OF RAIN. SO FAR THE HIGHEST AMOUNT REPORTED WAS 4.75 INCHES 6 MILES WEST OF LEANDER. BOTH AREAL COVERAGE AND INTENSITIES CONTINUE TO SLOWLY DIMINISH. JVD
Special weather statement, Jul 19, 1:04 AM CDT, 2 hours 56 minutes before
TXZ034-035-038-039-190700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANTONIO TX 100 aM CDT Sun JUL 19 1992 AT 100 AM CDT...HONDO WEATHER RADAR INDICATED A LARGE AREA OF RAIN SHOWERS AND A FEW THUNDERSTORM OVER SOUTH CENTRAL TEXAS AND PARTS OF THE HILL COUNTRY. THE AREA EXTENDS FROM MAVERICK COUNTY THROUGH MEDINA AND BEXAR COUNTY TO WEST OF THE CITY OF AUSTIN. THE STORMS WERE MOVING TO THE NORTH AT 15 TO 20 MPH. AS THESE STORMS PASS YOU CAN EXPECT BRIEF HEAVY RAINS AND FREQUENT LIGHTNING AND GUSTY WINDS. PERSONS IN SOUTH CENTRAL TEXAS AND THE HILL COUNTRY SHOULD BE ON THE ALERT FOR THREATENING WEATHER AND READY TO TAKE ACTION IF A WARNING IS ISSUED.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 8:48 PM CDT | Severe Thunderstorm Warning | EWX | Travis, Williamson | 57 min |
| Jul 19, 10:10 AM CDT | Flash Flood Warning | EWX | Val Verde | 6 hr |
| Jul 19, 4:10 PM CDT | Flash Flood Warning | EWX | Calhoun | 3 hr |
Nearby
Flash Flood Warnings in Texas, 1992Every flash flood warning in 1992
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.