Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 6, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this flash flood warning at Jan 25, 2012, 6:07 AM CST for Lee 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
- Jan 25, 2012, 6:07 AM CST (12:07 UTC)
- Expired
- Jan 25, 2012, 9:00 AM CST
- In force
- 3 hr
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Lee County, TX
The radar
The Ft Hood radar (KGRK), 57 km from the middle of the area, began a volume at 12:08 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
Corpus Christi, TX (KCRP), launched 12:00Z, 0.1 hours before the alert went out and 292 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
- 1968 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 518 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 280 m²/s²
- 0-3 km storm-relative helicity
- 344 m²/s²
- Significant tornado parameter
- 3.5
- Supercell composite
- 21.9
The text
As transmitted, in the capitals the NWS used until 2016.
537
WGUS54 KEWX 251207
FFWEWX
TXC287-251500-
/O.NEW.KEWX.FF.W.0006.120125T1207Z-120125T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
607 AM CST WED JAN 25 2012
THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
LEE COUNTY...
* UNTIL 900 AM CST.
* AT 603 AM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS HAVE
DETERMINED THAT RAINFALL ESTIMATES FROM DOPPLER RADAR INDICATE SLOW
MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS LEE COUNTY.
ALSO...ISOLATED STRONG THUNDERSTORMS COULD PRODUCE SMALL SIZE HAIL
AND DAMAGING WINDS BETWEEN LEXINGTON AND TANGLEWOOD WITHIN THE
NEXT 30 TO 45 MINUTES. ESTIMATED RAINFALL AMOUNTS RANGED FROM ONE
TO TWO INCHES THE PAST HOUR.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LEXINGTON...DIME BOX...FEDOR AND TANGLEWOOD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 3035 9679 3013 9702 3027 9707 3040 9728
3053 9698
$$1 follow-up statement
503
WGUS74 KEWX 251501
FFSEWX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
901 AM CST WED JAN 25 2012
TXC287-251509-
/O.EXP.KEWX.FF.W.0006.000000T0000Z-120125T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LEE TX-
901 AM CST WED JAN 25 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 900 AM CST FOR LEE
COUNTY...
THE FLASH FLOOD WARNING FOR LEE COUNTY WILL BE ALLOWED TO EXPIRE.
THERE HAVE BEEN NO REPORTS OF FLASH FLOODING IN LEE COUNTY AS OF 900
AM CST.
LAT...LON 3035 9679 3013 9702 3027 9707 3040 9728
3053 9698
$$The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 10:38 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 26 min |
| Jan 24, 10:40 PM CST | Severe Thunderstorm Warning | EWX | Val Verde | 35 min |
| Jan 24, 10:52 PM CST | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 38 min |
| Jan 24, 11:17 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 28 min |
| Jan 24, 11:29 PM CST | Tornado Warning | EWX | Edwards | 16 min |
| Jan 24, 11:41 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 35 min |
| Jan 24, 11:44 PM CST | Severe Thunderstorm Warning | EWX | Edwards | 32 min |
| Jan 25, 12:20 AM CST | Severe Thunderstorm Warning | EWX | Edwards, Real | 40 min |
| Jan 25, 1:17 AM CST | Areal Flood Advisory | EWX | Bexar | 103 min |
| Jan 25, 1:33 AM CST | Severe Thunderstorm Warning | EWX | Bexar, Comal, Guadalupe, Hays | 42 min |
| Jan 25, 2:00 AM CST | Flash Flood Warning | EWX | Bexar | 6 hr |
| Jan 25, 2:06 AM CST | Areal Flood Advisory | EWX | Caldwell, Comal, Guadalupe, Hays | 114 min |
| Jan 25, 2:15 AM CST | Areal Flood Advisory | EWX | Hays, Travis | 105 min |
| Jan 25, 2:47 AM CST | Flash Flood Warning | EWX | Travis | 3 hr |
| Jan 25, 3:33 AM CST | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Hays, Travis | 42 min |
| Jan 25, 4:06 AM CST | Areal Flood Advisory | EWX | Bexar, Blanco, Comal, Hays, Kendall | 114 min |
| Jan 25, 4:09 AM CST | Areal Flood Advisory | EWX | Bastrop, Caldwell | 111 min |
| Jan 25, 4:26 AM CST | Flash Flood Warning | EWX | Bastrop | 3 hr |
| Jan 25, 4:26 AM CST | Flash Flood Warning | EWX | Travis, Williamson | 3 hr |
| Jan 25, 4:54 AM CST | Areal Flood Advisory | EWX | Comal, Guadalupe, Hays | 2 hr |
| Jan 25, 5:18 AM CST | Flash Flood Warning | EWX | Bastrop, Caldwell, Hays, Travis | 3 hr |
| Jan 25, 5:49 AM CST | Areal Flood Advisory | EWX | Guadalupe | 101 min |
| Jan 25, 5:54 AM CST | Areal Flood Advisory | EWX | Bastrop, Caldwell | 2 hr |
| Jan 25, 6:23 AM CST | Severe Thunderstorm Warning | EWX | Lee | 52 min |
| Jan 25, 6:26 AM CST | River Flood Warning | EWX | Travis | 14 hr |
| Jan 25, 6:39 AM CST | River Flood Warning | EWX | Bexar | 14 hr |
| Jan 25, 6:46 AM CST | Flash Flood Warning | EWX | Bastrop | 3 hr |
| Jan 25, 6:56 AM CST | River Flood Warning | EWX | Bexar, Wilson | 32 hr |
| Jan 25, 7:04 AM CST | Flash Flood Warning | EWX | Fayette | 3 hr |
| Jan 25, 9:05 AM CST | River Flood Warning | EWX | Caldwell, Gonzales | 34 hr |
| Jan 25, 9:05 AM CST | River Flood Warning | EWX | Gonzales | 60 hr |
| Jan 25, 9:27 AM CST | Flash Flood Warning | EWX | Bastrop | 2 hr |
| Jan 25, 5:49 PM CST | Areal Flood Advisory | EWX | Bastrop | 101 min |
Nearby
Flash Flood Warnings in Texas, 2012Every flash flood warning in 2012
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.