Alert archive / Texas / Flash Flood Warnings in 2003
Flash Flood Warning 52, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 5, 2003, 3:58 PM CDT for 4 counties in Texas. It was in force for 4 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 5, 2003, 3:58 PM CDT (20:58 UTC)
- Expired
- Jul 5, 2003, 8:00 PM CDT
- In force
- 4 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
Counties Frio County, TX, Medina County, TX, Uvalde County, TX, Zavala County, TX
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 9.0 hours before the alert went out and 123 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
- 476 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 652 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 4 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 052104 FFWSAT TXC163-325-463-507-060100- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 358 PM CDT SAT JUL 5 2003 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR THE FOLLOWING COUNTIES... MEDINA UVALDE FRIO ZAVALA * UNTIL 800 PM CDT * AT 358 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDING FROM LOMA VISTA TO BATESVILLE TO YANCEY MOVING NORTHEAST AT 20 MPH. RAINFALL RATES OF THREE QUARTERS TO TWO INCHES PER HOUR ARE LIKELY OVER THE NEXT COUPLE HOURS. COOP REPORTS AND DOPPLER RADAR ESTIMATES INDICATE THAT FOUR TO AS MUCH AS NINE INCHES OF RAIN HAVE FALLEN SINCE EARLY THIS MORNING. MORE RAIN WILL MOVE INTO THE REGION FROM THE SOUTH LATER ON THIS EVENING. THIS WILL ENSURE FLOODING WILL CONTINUE THROUGH THE EVENING HOURS. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. LAT...LON 2954 10009 2870 10008 2869 9886 2952 9883 $$
3 follow-up statements
000 WGUS74 KEWX 052154 FFSSAT TXC163-325-463-507-052300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 453 PM CDT SAT JUL 5 2003 ...A FLASH FLOOD WARNING CONTINUES FOR MEDINA...UVALDE...FRIO AND ZAVALA COUNTIES UNTIL 800 PM CDT... ...A FLASH FLOOD WARNING EXPIRED FOR DIMMIT AND MAVERICK COUNTIES AT 445 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AREAS OF HEAVY RAIN FROM SHOWERS AND THUNDERSTORMS...PRODUCING RAINFALL RATES UP TO AROUND 1 TO 1.5 INCHES PER HOUR OVER FRIO COUNTY...MOVING NORTHWARD OVER MEDINA COUNTY. RAINFALL RATES EVOLVING OVER MEDINA AND FRIO COUNTIES FOR THE NEXT HOUR WILL BE MAINLY ONE THIRD TO THREE QUARTERS OF AN INCH...WITH ISOLATED 1 TO 1.25 INCH RAIN AMOUNTS PER HOUR. THESE ADDITIONAL HEAVY LATE AFTERNOON RAINS WILL CAUSE FLOODING AT LOW WATER CROSSINGS OR IN OTHER LOW LYING AREAS OVER PARTS OF FRIO AND MEDINA COUNTIES...WHERE AROUND 2 TO UP TO 8.92 INCHES OF RAIN HAS FALLEN TODAY. AREAS OF RAIN...HEAVY AT TIMES...WAS INDICATED OVER PARTS OF UVALDE AND ZAVALA COUNTIES...MOVING NORTH. RAINFALL RATES WITH THESE SHOWERS AND THUNDERSTORMS WAS UP TO 1 INCH PER HOUR OVER EASTERN UVALDE AND ZAVALA COUNTIES. SOME OF THESE SHOWERS AND THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAIN OVER PARTS OF UVALDE AND ZAVALA COUNTIES FOR THE NEXT 1 TO 2 HOURS. THIS WILL ALSO CAUSE FLOODING AT LOW WATER CROSSINGS AND IN OTHER LOW LYING AREAS OVER UVALDE AND ZAVALA COUNTIES. EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS..COUNTRY ROADS..NORMALLY DRY WASHES AND ARROYOS..AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. HIKERS AND CAMPERS SHOULD BE READY TO MOVE QUICKLY TO HIGHER GROUND AND AWAY FROM THE FLOOD PLAIN OF NEARBY RIVERS AND CREEKS. MOTORISTS SHOULD REMAIN ALERT FOR HEAVY RAINS AND AVOID DRIVING THROUGH LOW LYING AREAS OR INTO HIGH WATER. DO NOT DRIVE AROUND BARRICADES. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 052302 FFSSAT TXC163-325-463-507-060100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 559 PM CDT SAT JUL 5 2003 ...A FLASH FLOOD WARNING CONTINUES FOR MEDINA...UVALDE...FRIO AND ZAVALA COUNTIES UNTIL 800 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AREAS OF RAIN... WITH SOME LOCALLY HEAVY RAIN...FROM SHOWERS AND THUNDERSTORMS OVER PARTS OF MEDINA AND FRIO COUNTY...MOVING NORTH AT 20 MPH. SHOWERS AND THUNDERSTORMS WERE ALSO OVER THE EAST PART OF UVALDE AND ZAVALA COUNTIES...MOVING NORTHWARD...ALSO AT 20 MPH. RAINFALL RATES HAVE DECREASED TO ONE TENTH TO ONE HALF INCH PER HOUR...AND A SLOW DECREASE IN INTENSITY IS EXPECTED THROUGH 8 PM. RUNOFF FROM HEAVY RAINS EARLIER TODAY IS STILL A THREAT TO LOW WATER CROSSINGS AND OTHER LOW LYING AREAS. IN ADDITION... RUNOFF WILL ALSO 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. HIKERS AND CAMPERS SHOULD BE READY TO MOVE QUICKLY TO HIGHER GROUND AND AWAY FROM THE FLOOD PLAIN OF NEARBY RIVERS AND CREEKS. MOTORISTS SHOULD REMAIN ALERT FOR HEAVY RAINS AND AVOID DRIVING THROUGH LOW LYING AREAS OR INTO HIGH WATER. DO NOT DRIVE AROUND BARRICADES. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
000 WGUS74 KEWX 060110 FFSSAT TXC163-325-463-507-060200- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 801 PM CDT SAT JUL 5 2003 ...THE FLASH FLOOD WARNING FOR MEDINA...UVALDE...FRIO AND ZAVALA COUNTIES EXPIRED AT 800 PM... NATIONAL WEATHER SERVICE RADAR INDICATED THE RAINFALL WAS ENDING ACROSS PARTS OF MEDINA...FRIO...UVALDE AND ZAVALA COUNTIES. ISOLATED SHOWERS TO THE SOUTH WERE MOVING NORTHWEST. THE FLOOD THREAT WAS DIMINISHED...HOWEVER SOME MINOR FLOODING MAY CONTINUE...FROM RUNOFF IN PREVIOUS RAINS EARLIER TODAY. LOCALIZED FLOODING ON SMALL STREAMS...CREEKS AND RIVERS IS POSSIBLE. STAY TUNED TO LOCAL MEDIA OUTLETS FOR THE LATEST WEATHER INFORMATION. $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 6:50 AM CDT | Flash Flood Warning | EWX | Bexar | 3 hr |
| Jul 5, 7:25 AM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 3 hr |
| Jul 5, 10:10 AM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 2 hr |
| Jul 5, 10:24 AM CDT | Flash Flood Warning | EWX | Frio, Zavala | 3 hr |
| Jul 5, 11:57 AM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 2 hr |
| Jul 5, 1:26 PM CDT | Flash Flood Warning | EWX | Frio, Zavala | 3 hr |
| Jul 5, 1:59 PM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 2 hr |
| Jul 5, 2:52 PM CDT | Flash Flood Warning | EWX | Dimmit, Maverick | 113 min |
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.