Alert archive / Texas / Flash Flood Warnings in 2010
Flash Flood Warning 49, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jun 29, 2010, 4:21 PM CDT for Travis County, Texas. It was in force for 3 hr. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 29, 2010, 4:21 PM CDT (21:21 UTC)
- Expired
- Jun 29, 2010, 7:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Travis County, TX
The radar
The Ft Hood radar (KGRK), 56 km from the middle of the area, began a volume at 21:23 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 |
|---|---|---|---|
| Jun 29, 5:00 PM CDT | FLASH FLOOD | 4 Ese Austin, TX | SEVERAL LOW WATER CROSSINGS CLOSED... ALONG WITH NUMEROUS ROADS IN AND AROUND THE CITY OF AUSTIN. THERE ARE SEVERAL VEHICLES WHICH ARE FLOODED AND PERSONS ARE BEING HELPED OUT OF THEIR CARS. |
| Jun 29, 5:00 PM CDT | FLASH FLOOD | N Austin, TX | SEVERAL LOW WATER CROSSINGS CLOSED... ALONG WITH NUMEROUS ROADS IN AND AROUND THE CITY OF AUSTIN. THERE ARE SEVERAL VEHICLES WHICH ARE FLOODED AND PERSONS ARE BEING HELPED OUT OF THEIR CARS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.4 hours before the alert went out and 286 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
- 1601 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 120 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
747
WGUS54 KEWX 292121
FFWEWX
TXC453-300015-
/O.NEW.KEWX.FF.W.0049.100629T2121Z-100630T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
421 PM CDT TUE JUN 29 2010
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN TRAVIS COUNTY...
* UNTIL 715 PM CDT.
* AT 412 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT RAINFALL ESTIMATES OF TWO TO THREE INCHES FROM
DOPPLER RADAR INDICATE FLASH FLOODING FROM THUNDERSTORMS GENERALLY
ALONG AND EAST OF INTERSTATE 35 NEAR AUSTIN.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ROLLINGWOOD...WEST LAKE HILLS...MANOR AND AUSTIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
WHEN WATER COVERS THE ROAD...TURN AROUND DON'T DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
&&
LAT...LON 3026 9802 3045 9743 3042 9739 3027 9747
3004 9773
$$2 follow-up statements
522
WGUS74 KEWX 292229
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
529 PM CDT TUE JUN 29 2010
TXC453-300015-
/O.CON.KEWX.FF.W.0049.000000T0000Z-100630T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-
529 PM CDT TUE JUN 29 2010
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR
SOUTHERN TRAVIS COUNTY...
AT 525 PM CDT...THE FIRE AND RESCUE DEPARTMENT REPORTED SEVERAL LOW
WATER CROSSINGS CLOSED... ALONG WITH NUMEROUS ROADS IN AND AROUND
THE CITY OF AUSTIN. THERE ARE SEVERAL VEHICLES WHICH ARE FLOODED AND
PERSONS ARE BEING HELPED OUT OF THEIR CARS. DURING THE PAST THREE
HOURS...RAIN GAGES MAINLY SOUTH AND SOUTHWEST OF AUSTIN HAVE
REPORTED RAINFALL ACCUMULATIONS OF THREE TO FOUR INCHES. THE
HEAVIEST RAIN HAS ENDED BUT LIGHT TO MODERATE SHOWERS AND
THUNDERSTORMS WILL CONTINUE TO AFFECT THE GREAT AUSTIN AREA FOR THE
NEXT FEW HOURS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE WHERE WATER COVERS THE ROAD. EVEN SUVS AND PICKUPS WILL
BE SWEPT AWAY BY AS LITTLE AS TWO FEET OF RUSHING WATER. TURN AROUND
DON'T DROWN.
REPORT FLASH FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY.
&&
LAT...LON 3026 9802 3045 9743 3042 9739 3027 9747
3004 9773
$$152
WGUS74 KEWX 300023
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
723 PM CDT TUE JUN 29 2010
TXC453-300025-
/O.EXP.KEWX.FF.W.0049.000000T0000Z-100630T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
TRAVIS TX-
723 PM CDT TUE JUN 29 2010
...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHERN TRAVIS COUNTY...
THE NATIONAL WEATHER SERVICE HAS ALLOWED THE FLASH FLOOD WARNING FOR
TRAVIS COUNTY TO EXPIRE...HOWEVER...MINOR FLOODING MAY CONTINUE
ACROSS LOCAL ROADWAYS AND SOME URBAN AREAS FOR THE NEXT HOUR OR SO.
AS OF 715 PM...DOPPLER RADAR SHOWED LIGHT TO LIMITED SHOWER ACTIVITY
OVER THE GREAT AUSTIN AREA. AT THIS TIME...WE ARE NOT EXPECTING A
SECOND ROUND OF SHOWERS TO AFFECT THE AUSTIN AREA FOR THE REST OF
THIS EVENING. HOWEVER...IT WILL TAKE A FEW HOURS FOR THE WATERS TO
RECEDE TO NORMAL LEVELS ACROSS LOCAL RIVERS AND CREEKS.
LAT...LON 3026 9802 3045 9743 3042 9739 3027 9747
3004 9773
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 7:15 PM CDT | Areal Flood Advisory | EWX | Bexar | 105 min |
| Jun 28, 7:32 PM CDT | Flash Flood Warning | EWX | Bexar | 2 hr |
| Jun 28, 8:47 PM CDT | Areal Flood Advisory | EWX | Travis, Williamson | 3 hr |
| Jun 29, 4:42 AM CDT | Areal Flood Advisory | EWX | Edwards, Kinney, Maverick | 108 min |
| Jun 29, 5:46 AM CDT | Areal Flood Advisory | EWX | Edwards, Kinney, Maverick, Val Verde | 104 min |
| Jun 29, 7:22 AM CDT | Areal Flood Advisory | EWX | Kinney, Uvalde, Zavala | 98 min |
| Jun 29, 9:07 AM CDT | Areal Flood Advisory | EWX | Kinney, Maverick | 113 min |
| Jun 29, 5:14 PM CDT | Areal Flood Advisory | EWX | Bastrop, Lee, Travis, Williamson | 3 hr |
| Jun 29, 5:36 PM CDT | Areal Flood Advisory | EWX | Gonzales, Wilson | 114 min |
Nearby
Flash Flood Warnings in Texas, 2010Every flash flood warning in 2010
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.