Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 271, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jul 2, 2007, 7:00 PM CDT for Hays County, Texas. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 2, 2007, 7:00 PM CDT (00:00 UTC)
- Expired
- Jul 2, 2007, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties
County Hays County, TX
The radar
The Austin/San Antonio radar (KEWX), 39 km from the middle of the area, began a volume at 00:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 2, 7:03 PM CDT | HEAVY RAIN 1.51 | 8 Sw Dripping Springs, TX | LCRA RAINFALL NETWORK HOURLY REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 0.0 hours before the alert went out and 267 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
- 1641 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 871 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KEWX 030001 FFWEWX TXC209-030300- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 700 PM CDT MON JUL 2 2007 THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A * FLASH FLOOD WARNING FOR... HAYS COUNTY IN SOUTH CENTRAL TEXAS... THIS INCLUDES THE CITIES OF...WIMBERLEY...DRIPPING SPRINGS... * UNTIL 1000 PM CDT * AT 652 PM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING IS POSSIBLE FROM THUNDERSTORMS OVER WESTERN HAYS COUNTY. RAINFALL RATES WERE ESTIMATED AT 1.5 TO 2 INCHES AN HOUR. MOVEMENT WAS NORTHEAST AT 10 TO 15 MPH. WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. LAT...LON 3006 9827 2990 9808 3014 9792 3032 9817 $$
6 follow-up statements
000 WGUS74 KEWX 030013 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 712 PM CDT MON JUL 2 2007 TXC209-030300- HAYS TX- 712 PM CDT MON JUL 2 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR HAYS COUNTY... AT 702 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER WESTERN HAYS COUNTY. RAINFALL RATES WERE ESTIMATED AT 1 TO 1.5 INCHES AN HOUR. MOVEMENT WAS EAST NORTHEAST AT 15 MPH. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO HENLY AND DRIPPING SPRINGS. WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. LAT...LON 3006 9827 2990 9808 3014 9792 3032 9817 $$
000 WGUS74 KEWX 030033 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 732 PM CDT MON JUL 2 2007 TXC209-030300- HAYS TX- 732 PM CDT MON JUL 2 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR HAYS COUNTY... AT 722 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN ACROSS NORTHERN HAYS COUNTY. THIS STORM WAS LOCATED NEAR DRIPPING SPRINGS...MOVING EAST AT 15 MPH. WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. LAT...LON 3006 9827 2990 9808 3014 9792 3032 9817 $$
000 WGUS74 KEWX 030054 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 752 PM CDT MON JUL 2 2007 TXC209-030300- HAYS TX- 752 PM CDT MON JUL 2 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR HAYS COUNTY... AT 746 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE COUNTY. THE STRONGEST STORM WAS LOCATED NEAR DRIPPING SPRINGS...MOVING EAST AT 15 MPH. THE THUNDERSTORMS HAVE WEAKENED OVER THE PAST HOUR. HOWEVER RUNOFF FROM EARLIER HEAVY RAINS MAY STILL PRODUCE FLASH FLOODING. IT IS HARD TO RECOGNIZE THE DANGERS OF FLOODING AT NIGHT. IF FLOOD WATERS RISE ACT QUICKLY. DO NOT STAY IN FLOOD PRONE AREAS. LAT...LON 3006 9827 2990 9808 3014 9792 3032 9817 $$
000 WGUS74 KEWX 030207 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 905 PM CDT MON JUL 2 2007 TXC209-030300- HAYS TX- 905 PM CDT MON JUL 2 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR HAYS COUNTY... AT 900 PM CDT...HEAVY RAINS HAVE ENDED ACROSS HAYS COUNTY. HOWEVER LIGHT TO MODERATE RAIN CONTINUED FROM DRIFTWOOD AND BUDA SOUTHWARD TO SAN MARCOS. MOVEMENT WAS EAST AT 15 MPH. WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU SAVE MAY BE YOUR OWN. IT IS HARD TO RECOGNIZE THE DANGERS OF FLOODING AT NIGHT. IF FLOOD WATERS RISE ACT QUICKLY. DO NOT STAY IN FLOOD PRONE AREAS. LAT...LON 3006 9827 2990 9808 3014 9792 3032 9817 $$
000 WGUS74 KEWX 030257 FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 955 PM CDT MON JUL 2 2007 TXC209-030305- HAYS TX- 955 PM CDT MON JUL 2 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1000 PM CDT FOR HAYS COUNTY... THE FLASH FLOOD WARNING FOR HAYS COUNTY WILL BE ALLOWED TO EXPIRE. RAINFALL HAS ENDED ACROSS THE COUNTY. HOWEVER PERSONS ALONG BARTON CREEK AND ONION SHOULD REMAIN ALERT. LAT...LON 3006 9827 2990 9808 3014 9792 3032 9817 $$
000 WGUS74 KEWX 030258 CCA FFSEWX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 955 PM CDT MON JUL 2 2007 TXC209-030305- HAYS TX- 955 PM CDT MON JUL 2 2007 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 1000 PM CDT FOR HAYS COUNTY... THE FLASH FLOOD WARNING FOR HAYS COUNTY WILL BE ALLOWED TO EXPIRE. RAINFALL HAS ENDED ACROSS THE COUNTY. HOWEVER PERSONS ALONG BARTON CREEK AND ONION CREEK SHOULD REMAIN ALERT. LAT...LON 3006 9827 2990 9808 3014 9792 3032 9817 $$
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 7:28 PM CDT | Flash Flood Warning | EWX | Burnet | 3 hr |
| Jul 3, 5:33 AM CDT | Flash Flood Warning | EWX | Uvalde | 3 hr |
| Jul 3, 2:00 PM CDT | Flash Flood Warning | EWX | Williamson | 3 hr |
| Jul 3, 2:04 PM CDT | Flash Flood Warning | EWX | Blanco, Gillespie, Llano | 3 hr |
| Jul 3, 2:24 PM CDT | Flash Flood Warning | EWX | Kendall | 3 hr |
| Jul 3, 2:27 PM CDT | Flash Flood Warning | EWX | Bandera | 3 hr |
| Jul 3, 2:30 PM CDT | Flash Flood Warning | EWX | Edwards | 3 hr |
| Jul 3, 3:00 PM CDT | Flash Flood Warning | EWX | Real | 3 hr |
| Jul 3, 3:16 PM CDT | Flash Flood Warning | EWX | Burnet | 3 hr |
| Jul 3, 3:36 PM CDT | Flash Flood Warning | EWX | Kerr | 3 hr |
| Jul 3, 3:52 PM CDT | Flash Flood Warning | EWX | Medina, Uvalde | 3 hr |
| Jul 3, 3:52 PM CDT | Flash Flood Warning | EWX | Kinney, Medina, Uvalde | 3 hr |
| Jul 3, 3:54 PM CDT | Flash Flood Warning | EWX | Bexar, Comal | 3 hr |
| Jul 3, 5:08 PM CDT | Flash Flood Warning | EWX | Zavala | 3 hr |
| Jul 3, 6:22 PM CDT | Flash Flood Warning | EWX | Frio | 3 hr |
| Jul 3, 6:44 PM CDT | Flash Flood Warning | EWX | Blanco | 3 hr |
| Jul 3, 6:51 PM CDT | Flash Flood Warning | EWX | Medina | 2 hr |
Nearby
Flash Flood Warnings in Texas, 2007Every flash flood warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.