Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 66, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 16, 2003, 9:45 PM CDT for Val Verde County, Texas. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 16, 2003, 9:45 PM CDT (02:45 UTC)
- Expired
- Jul 17, 2003, 3:30 AM CDT
- In force
- 6 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
County Val Verde County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 2.8 hours before the alert went out and 106 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
- 1835 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1034 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 170244 FFWSAT TXC465-170830- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 945 PM CDT WED JUL 16 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... VAL VERDE * UNTIL 330 AM CDT * AT 937 PM...WEATHER SERVICE DOPPLER RADAR INDICATED PERSISTENT MODERATE TO HEAVY RAINS WEST OF A LANGTRY TO PANDALE LINE. THIS AREA OF RAIN HAS BEEN NEARLY STATIONARY SINCE THIS AFTERNOON. DOPPLER RADAR IS ESTIMATING 3 TO 5 INCHES OF RAINFALL FROM LANGTRY TO PANDALE OVER THE PAST 24 HOURS DUE TO TROPICAL DEPRESSION CLAUDETTE. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF CREEKS AND STREAMS...ROADS AND ROADSIDE CULVERTS. THE HEAVY RAINS COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN. 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 FLOODING WHEN WATER BEGINS RISING. LAT...LON 2976 10176 2979 10155 3025 10151 3015 10202 $$
2 follow-up statements
000 WGUS74 KEWX 170501 FFSSAT TXC465-170630- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 1201 AM CDT THU JUL 17 2003 ...A FLASH FLOOD WARNING CONTINUES FOR VAL VERDE COUNTY UNTIL 330 AM CDT... AT 1150 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR HAS INDICATED LIGHT RAIN OVER EXTREME WESTERN VAL VERDE COUNTY...WEST OF A LINE FROM LANGTRY TO PANDALE. ESTIMATED RAINFALL OVER WESTERN VAL VERDE HAS BEEN BETWEEN 3 AND 7 INCHES...WITH MOST OF THE RAIN FALLING DURING THE DAY WEDNESDAY. ALTHOUGH THE RAINS HAVE WEAKENED IN THIS AREA, ANY ADDITIONAL RAINFALL WILL CONTINUE THE THREAT OF FLASH FLOODING. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS..COUNTRY ROADS..NORMALLY DRY WASHES AND ARROYOS..AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 170616 FFSSAT TXC465-170715- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 116 AM CDT THU JUL 17 2003 ...THE FLASH FLOOD WARNING FOR VAL VERDE COUNTY HAS BEEN CANCELLED... NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL WAS ENDING ACROSS THE WARNED AREA...AND THE FLOOD THREAT WAS DIMINISHING. SOME MINOR FLOODING MAY CONTINUE...BUT THE THREAT OF SERIOUS FLOODING HAS ENDED...AND THE FLASH FLOOD WARNING HAS BEEN CANCELLED. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
Nearby
Flash Flood Warnings in Texas, 2003Every flash flood warning in 2003
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.