Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 9, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Sep 29, 2012, 9:31 AM CDT for Taylor 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 29, 2012, 9:31 AM CDT (14:31 UTC)
- Expired
- Sep 29, 2012, 12:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Taylor County, TX
The radar
The Dyess AFB radar (KDYX), 63 km from the middle of the area, began a volume at 14:33 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
Midland Regional, TX (KMAF), launched 12:00Z, 2.5 hours before the alert went out and 225 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
- 4 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 481 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 119 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
250 WGUS54 KSJT 291431 FFWSJT TXC441-291730- /O.NEW.KSJT.FF.W.0009.120929T1431Z-120929T1730Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 931 AM CDT SAT SEP 29 2012 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * FLASH FLOOD WARNING FOR... TAYLOR COUNTY IN WEST CENTRAL TEXAS... * UNTIL 1230 PM CDT * AT 920 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED STREET FLOODING IN ABILENE...SEVERAL ROADS IN ABILENE WERE BARRICADED. MANY COUNTY ROADS SOUTH OF MERKEL...IN THE HILLS...WERE ALSO CLOSED DUE TO HIGH WATER IN TAYLOR COUNTY. AN AREA OF HEAVY RAIN WILL CONTINUE THROUGH NOON TO PRODUCE AN ADDITIONAL ONE TO TWO INCHES OF RAINFALL. * RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ABILENE...BRADSHAW...BUFFALO GAP...DYESS AFB...HAPPY VALLEY... LAWN...MERKEL...POTOSI...TRENT...TUSCOLA...TYE AND VIEW. THIS INCLUDES THE LOW WATER CROSSINGS AT... TEXAS AVENUE AT ARNOLD BOULEVARD... INTERSECTIONS ALONG SAMMONS STREET... CURRY LANE FROM CLACK STREET TO CATCLAW DRIVE... BUTTERNUT UNDERPASS... INTERSECTIONS ALONG BUTTONWILLOW PARKWAY... INTERSECTIONS ALONG VOGEL STREET... SUNSET BETWEEN SOUTH 1ST AND 2ND... STREETS BEWEEN JACKSON AND TREADAWAY... NORTH 18TH STREET BETWEEN MESQUITE AND TREADAWAY... COUNTY ROAD 123 CROSSING RAINY CREEK... COUNTY ROAD 107 CROSSING RAINY CREEK... CROSSINGS ALONG COUNTY ROAD 107... PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. TURN AROUND...DON'T DROWN! && LAT...LON 3208 9963 3209 10015 3252 10014 3252 9963 $$
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 28, 8:17 PM CDT | Areal Flood Advisory | SJT | Concho, Tom Green | 6 hr |
| Sep 29, 1:42 AM CDT | Areal Flood Advisory | SJT | Concho, Tom Green | 6 hr |
| Sep 29, 7:53 AM CDT | Areal Flood Advisory | SJT | Concho, Tom Green | 3 hr |
| Sep 29, 8:17 AM CDT | Flash Flood Warning | SJT | Irion, Tom Green | 103 min |
| Sep 29, 8:50 AM CDT | Flash Flood Warning | SJT | Concho, Runnels | 3 hr |
| Sep 29, 8:58 AM CDT | Areal Flood Advisory | SJT | Crockett, Schleicher, Sutton | 3 hr |
| Sep 29, 9:15 AM CDT | River Flood Warning | SJT | Runnels | 24 hr |
| Sep 29, 9:31 AM CDT | Areal Flood Advisory | SJT | Irion, Tom Green | 6 hr |
| Sep 29, 9:55 AM CDT | Areal Flood Advisory | SJT | Irion, Tom Green | 2 hr |
| Sep 29, 10:37 AM CDT | Areal Flood Advisory | SJT | Coleman | 3 hr |
| Sep 29, 10:57 AM CDT | River Flood Warning | SJT | Runnels | 10 hr |
| Sep 29, 11:26 AM CDT | Flash Flood Warning | SJT | Concho, Runnels | 3 hr |
| Sep 29, 11:52 AM CDT | Flash Flood Warning | SJT | Callahan | 4 hr |
| Sep 29, 3:24 PM CDT | Areal Flood Advisory | SJT | Tom Green | 6 hr |
| Sep 29, 3:44 PM CDT | River Flood Warning | SJT | Concho | 5 hr |
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.