Alert archive / Texas / Flash Flood Warnings in 1994
Flash Flood Warning 30, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Oct 19, 1994, 8:58 AM CDT for Zavala County, Texas. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Oct 19, 1994, 8:58 AM CDT (13:58 UTC)
- Expired
- Oct 19, 1994, 12:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Zavala County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 2.0 hours before the alert went out and 119 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
- 846 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 627 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSAT 191359 FFWSAT TXC507-191700- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANTONIO TX 858 AM CDT WED OCT 19 1994 THE NATIONAL WEATHER SERVICE IN SAN ANTONIO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL NOON CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH TEXAS ...ZAVALA COUNTY AT 855 AM NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM WITH HEAVY RAIN OVER LA PRYOR AND ANOTHER STORMS DEVELOPING JUST WEST OF LA PRYOR. MOVEMENT OF THE PRECIPITATION WAS TOWARD THE EAST AT 15 MPH. THE NORTHERN ONE-HALF THE THE COUNTY OF ZAVALA WILL LIKELY SEE RAINFALL RATES IN THE ORDER OF 1 TO 2 INCHES PER HOUR. RAINFALL TOTALS IN ZAVALA COUNTY NEAR LA PRYOR HAVE TOTALED 5.35 INCHES WHILE DOPPLER RADAR ESTIMATES 5 TO 7 INCHES OF RAIN HAVE FALLEN IN NORTHWEST ZAVALA COUNTY. FLOODING IS LIKELY ESPECIALLY ALONG RIVERS...CREEKS AND STREAMS AND LOW WATER CROSSINGS ARE FLOODED. THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 915 AM FOR SOUTHERN UVALDE AND NORTHERN MAVERICK COUNTY. AVOID ALREADY FLOODED AREAS. TRAVELERS SHOULD NOT ATTEMPT TO CROSS FLOODED ROADS. IF YOUR VEHICLE STALLS...LEAVE IT AND MOVE IMMEDIAT.ELY TO HIGHER GROUND.
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, Oct 19, 3:30 AM CDT, 5 hours 28 minutes before
TXZ155-156-171>173-191000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 330 AM CDT WED OCT 19 1994 ...SHOWERS OVER LAKE BUCHANAN DIMINISHING... AT 325 AM THERE WERE LIGHT TO MODERATE SHOWERS IN THE VICINITY OF LAKE BUCHANAN WHICH WERE DIMINISHING. THERE WERE STRONG THUNDERSTORMS NEAR MEDINA AND TO THE SOUTHWEST OF HONDO. SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 15 MPH. WALSH WALSH
Special weather statement, Oct 19, 3:35 AM CDT, 5 hours 23 minutes before
TXZ155-156-171>173-191000 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE AUSTIN TX 330 AM CDT WED OCT 19 1994 ...SHOWERS OVER LAKE BUCHANAN DIMINISHING... AT 325 AM THERE WERE LIGHT TO MODERATE SH OWERS IN THE VICINITY OF LAKE BUCHANAN WHICH WERE DIMINISHING. THERE WERE STRONG THUNDERSTORMS NEAR MEDINA AND TO THE SOUTHWEST OF HONDO. SHOWERS AND THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AT 15 MPH. WALSH WALSH
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 19, 2:28 AM CDT | Flash Flood Warning | EWX | Uvalde | 62 min |
| Oct 19, 3:39 AM CDT | Flash Flood Warning | EWX | Frio | 2 hr |
| Oct 19, 7:13 AM CDT | Flash Flood Warning | EWX | Maverick, Uvalde, Zavala | 2 hr |
Nearby
Flash Flood Warnings in Texas, 1994Every flash flood warning in 1994
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.