Alert archive / Texas / Flash Flood Warnings in 1992
Flash Flood Warning 92, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Nov 19, 1992, 7:07 PM CST for Atascosa County, Texas. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Nov 19, 1992, 7:07 PM CST (01:07 UTC)
- Expired
- Nov 20, 1992, 12:15 AM CST
- In force
- 5 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Atascosa County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 1.1 hours before the alert went out and 174 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
- 63 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 101 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 200107 FFWSAT TXC013-200615- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 707 PM CST THU NOV 19 1992 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1215 AM CST FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...ATASCOSA COUNTY AT 710 PM CST A LINE OF HEAVY THUNDERSTORMS IN WESTERN ATASCOSA COUNTY WAS MOVING TOWARD THE EAST AT 20 MILES PER HOUR. THESE STORMS WILL PRODUCE HEAVY RAINS ACROSS THE ENTIRE COUNTY FOR THE NEXT 3 TO 4 HOURS ADDING TO THE FLOODING WHICH OCCURRED EARLIER THIS EVENING. THIS IS A DANGEROUS FLOODING SITUATION. AVOID ALREADY FLOODED AREAS. TRAVELERS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS. IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE IMMEDIATELY TO HIGHER GROUND. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUtICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
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, Nov 19, 6:59 PM CST, 8 minutes before
TXZ030-034>037-200150- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 700 PM CST THU 19 NOV 1992 ...FLOOD AND FLASH FLOOD WATCH IN EFFECT THROUGH TONIGHT... ...HEAVY RAINS SPREADING OUT OVER THE INTERIOR COASTAL PLAINS EAST OF AUSTIN...WHILE OTHER SHOWERS AND THUNDERSTORMS RE-DEVELOP OVER THE WESTERN HILL COUNTRY... AT 655 PM...RADAR SHOWED RAINS AND THUNDERSTORMS INCREASING IN AREAL COVERAGE WEST OF SAN ANTONIO AND SPREADING TOWARDS THE NORTHEAST AT 25 MPH. LIGHT TO MODERATE RAINS TO THE EAST WERE ALSO SPIRALING BACK WESTWARD FROM THE COASTAL PLAINS BACK INTO THE IH35 CORRIDOR BETWEEN SAN MARCO...AUSTIN AND TEMPLE. MOTORISTS ARE ADVISED TO USE CAUTION ON WET ROADS AND UNDER REDUCED VISIBILITIES. DO NOT ATTEMPT TO CROSS FLOODED LOW WATER CROSSINGS. JVD
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 19, 8:22 PM CST | Flash Flood Warning | EWX | Wilson | 5 hr |
| Nov 19, 9:06 PM CST | Flash Flood Warning | EWX | Bexar | 4 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.