Alert archive / Texas / Flash Flood Warnings in 2007
Flash Flood Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Sep 4, 2007, 11:04 AM CDT for Maverick County, Texas. It was in force for 3 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
- Sep 4, 2007, 11:04 AM CDT (16:04 UTC)
- Expired
- Sep 4, 2007, 2:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Counties, with a storm outline in the text
- Flood severity
- None
County Maverick County, TX
The radar
The Laughlin AFB radar (KDFX), 99 km from the middle of the area, began a volume at 16:08 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.
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 4.1 hours before the alert went out and 122 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 785 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 350 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 041607
FFWEWX
TXC323-041900-
/X.NEW.KEWX.FF.W.0002.070904T1604Z-070904T1900Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1104 AM CDT TUE SEP 4 2007
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MAVERICK COUNTY...
* UNTIL 200 PM CDT.
* AT 1103 AM CDT...THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT
RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE FLASH FLOODING FROM
VERY HEAVY RAINS ACROSS SOUTHERN MAVERICK COUNTY. RAINFALL RATES
OF 1 TO 2 INCHES PER HOUR WERE NOTED FROM THE EL INDIO AREA
SOUTHWARD. THIS RAIN IS FALLING ACROSS AREAS THAT RECEIVED VERY
HEAVY RAINS LAST NIGHT AND EARLIER THIS MORNING. THIS WILL IMPACT
FARM ROADS 1021 AND 2644 SOUTH AND EAST OF EL INDIO.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EL INDIO.
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
LAT...LON 2862 10013 2820 10013 2820 10022 2823 10024
2823 10026 2828 10031 2833 10031 2839 10036
2845 10036 2852 10042 2857 10042
TIME...MOT...LOC 1604Z 180DEG 0KT 2846 10027
$$3 follow-up statements
000
WGUS74 KEWX 041702
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1158 AM CDT TUE SEP 4 2007
TXC323-041900-
/X.CON.KEWX.FF.W.0002.000000T0000Z-070904T1900Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAVERICK TX-
1158 AM CDT TUE SEP 4 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
MAVERICK COUNTY...
AT 1156 AM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED VERY HEAVY
RAINS ACROSS FAR SOUTHERN MAVERICK COUNTY. RAINFALL RATES OF 1 TO
1.5 INCHES PER HOUR WERE NOTED. THIS RAIN IS FALLING ACROSS AREAS
THAT RECEIVED VERY HEAVY RAINS LAST NIGHT AND EARLIER THIS MORNING.
THIS WILL IMPACT FARM ROADS 1021 AND 2644 SOUTH AND EAST OF EL INDIO
AS WELL AS ALONG SAN AMBROSIA CREEK.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EL INDIO.
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
LAT...LON 2862 10013 2820 10013 2820 10022 2823 10024
2823 10026 2828 10031 2833 10031 2839 10036
2845 10036 2852 10042 2857 10042
TIME...MOT...LOC 1658Z 180DEG 0KT 2846 10027
$$000
WGUS74 KEWX 041759
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
1257 PM CDT TUE SEP 4 2007
TXC323-041900-
/X.CON.KEWX.FF.W.0002.000000T0000Z-070904T1900Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAVERICK TX-
1257 PM CDT TUE SEP 4 2007
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 200 PM CDT FOR
MAVERICK COUNTY...
AT 1255 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED ONLY PATCHY
LIGHT RAINS ACROSS MAVERICK COUNTY. HOWEVER...SOME FLASH FLOODING
CAN STILL BE EXPECTED ESPECIALLY ALONG FARM ROADS 1021 AND 2644
SOUTH AND EAST OF EL INDIO AS WELL AS ALONG SAN AMBROSIA CREEK.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EL INDIO.
WHEN WATER COVERS THE ROAD...TURN AROUND DONT DROWN. THE LIFE YOU
SAVE MAY BE YOUR OWN.
LAT...LON 2862 10013 2820 10013 2820 10022 2823 10024
2823 10026 2828 10031 2833 10031 2839 10036
2845 10036 2852 10042 2857 10042
TIME...MOT...LOC 1757Z 180DEG 0KT 2846 10027
$$000
WGUS74 KEWX 041859
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
158 PM CDT TUE SEP 4 2007
TXC323-041908-
/X.EXP.KEWX.FF.W.0002.000000T0000Z-070904T1900Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MAVERICK TX-
158 PM CDT TUE SEP 4 2007
...THE FLASH FLOOD WARNING WILL EXPIRE AT 200 PM CDT FOR MAVERICK
COUNTY...
AT 158 PM CDT...NATIONAL WEATHER SERVICE RADAR SHOWED A FEW PATCHES
OF LIGHT RAIN ACROSS MAVERICK COUNTY. THE THREAT FOR FLASH FLOODING
HAS ENDED. AS A RESULT...THE FLASH FLOOD WARNING WILL BE ALLOWED TO
EXPIRE. HOWEVER...SOME MINOR FLOODING MAY PERSIST DUE TO EARLIER
HEAVY RAINS.
LAT...LON 2862 10013 2820 10013 2820 10022 2823 10024
2823 10026 2828 10031 2833 10031 2839 10036
2845 10036 2852 10042 2857 10042
TIME...MOT...LOC 1858Z 180DEG 0KT 2846 10027
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 9:18 PM CDT | Flash Flood Watch | EWX | Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more | 34 hr |
| Sep 4, 9:40 AM CDT | Flash Flood Warning | EWX | Kinney | 3 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.