Alert archive / Texas / Flash Flood Warnings in 1992
Flash Flood Warning 43, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at May 15, 1992, 12:09 AM CDT for Webb County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- May 15, 1992, 12:09 AM CDT (05:09 UTC)
- Expired
- May 15, 1992, 3:15 AM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Webb County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 5.2 hours before the alert went out and 196 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
- 2156 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 657 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 150511 FFWSAT TXC479-150815- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 1209 AM CDT FRI MAY 15 1992 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 315 AM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES... IN SOUTH TEXAS ...WEBB COUNTY RADAR INDICATED A LARGE AREA OF HEAVY SHOWERS PRODUCING RAINFALLS OF OVER 3 INCHES AN HOUR MOVING SLOWLY SOUTHWARD THROUGH WEBB COUNTY. RAINFALLS OF OVER 1 3/4 INCHES IN AN HOUR CAN PRODUCE FLASH FLOODING. FLOOD PRONE URBAN AREAS FILL WITH WATER QUICKLY. CLOGGED STORM DRAINS MAY CAUSE OTHER AREAS TO FLOOD. DO NOT DRIVE THROUGH FLOOD WATERS AND STAY AWAY FROM STORM DRAINS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOaODING 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, May 14, 6:27 PM CDT, 5 hours 42 minutes before
TXZ034>037-150030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 625 PM CDT THU MAY 14 1992 ...STRONG THUNDERSTORMS MOVING ACROSS THE AUSTIN METROPOLITAN AREA... ...SEVERE THUNDERSTORM WARNING FOR EASTERN LAMPASAS COUNTY HAS EXPIRED... AT 620 PM...RADAR SHOWED VERY STRONG THUNDERSTORMS...WITH VERY HEAVY RAINFALL FROM AUSTIN TO EAST OF BUDA TO LOCKHART...NEAR WAELDER...AND EAST OF SCHULENBURG. THESE THUNDERSTORMS WERE MOVING TO THwE NORTHEAST AT 15 MILES AN HOUR. WIND GUSTS TO 45 MPH...LOCALIZED FLOODING...FREQUENT LIGHTNING...AND SMALL HAIL ARE LIKELY WITH THESE STORMS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, May 14, 7:33 PM CDT, 4 hours 36 minutes before
TXZ034>037-150130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 730 PM CDT THU MAY 14 1992 ...SEVERE THUNDERSTORM WARNING FOR FAYETTE COUNTY HAS EXPIRED... AT 726 PM...RADAR SHOWED SCATTERED THUNDERSTORMS OVER MUCH OF SOUTH CENTRAL TEXAS. THUNDERSTORMS WITH VERY HEAVY RAINFALL WERE LOCATED FROM 5 MILES EST OF SMITHVILLE TO PAIGE...5 MILES SOUTH OF HARPER... AND NEAR COMFORT. THE THUNDERSTORMS WERE MOVING TO THE NORTH AT 20 MILES AN HOUR. WIND GUSTS TO 45 MPH...LOCALIZED FLOODING...FREQUENT LIGHTNING...AND SMALL HAIL ARE LIKELY WITH THESE STORMS. MORE THAN 3.5 INCHES OF RAIN FELL WITH EARLIER THUNDERSTORMS AT DRIPPING SPRINGS...AND 0.75 INCHES WAS OBSERVED IN JUST OVER 15 MINUTES HERE AT THE NATIONAL WEATHER SERVICE. STAY TUNED TO NOAA WEATHER RADIO AND COMMERCIAL TV/RADIO FOR LATER STATEMENTS.
Special weather statement, May 14, 9:04 PM CDT, 3 hours 5 minutes before
TXZ034>037-150330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 850 PM CDT THU MAY 14 1992 AT 845 PM...RADAR SHOWED MOST OF THE SHOWERS AND THUNDERSTORMS WERE ALONG AND SOUTH OF A LINE FROM BRENHAM TO AUSTIN TO FREDERICKSBURG SOUTHWARD INTO SOUTH TEXAS NEAR THREE RIVERS. THE HEAVIER THUNDERSTORMS WERE ALONG AND SOUTH OF THE SAN ANTONIO AREA WITH MOSTLY LIGHT TO MODERATE RAIN SCATTERED OVER THE CENTRAL TEXAS AREA. MOVEMENT WAS SOUTHEAST AT NEAR 10 MPH. RAINFALL HERE AT THE WEATHER SERVICE OFFICE IN AUSTIN IS JUST OVER ONE INCH.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 7:02 PM CDT | Severe Thunderstorm Warning | EWX | McMullen | 58 min |
| May 14, 7:53 PM CDT | Severe Thunderstorm Warning | EWX | Bandera | 67 min |
| May 14, 8:08 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 67 min |
| May 14, 8:54 PM CDT | Severe Thunderstorm Warning | EWX | Webb | 66 min |
| May 14, 9:24 PM CDT | Severe Thunderstorm Warning | EWX | La Salle | 66 min |
| May 14, 10:03 PM CDT | Severe Thunderstorm Warning | EWX | Webb | 57 min |
| May 14, 11:01 PM CDT | Severe Thunderstorm Warning | EWX | Webb | 59 min |
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.