Alert archive / Texas / Flash Flood Warnings in 2017
Flash Flood Warning 21, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Aug 14, 2017, 5:32 PM CDT for Callahan County, 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
- Aug 14, 2017, 5:32 PM CDT (22:32 UTC)
- Expired
- Aug 14, 2017, 8:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Callahan County, TX, Taylor County, TX
The radar
The Dyess AFB radar (KDYX), 33 km from the middle of the area, began a volume at 22:34 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
Fort Worth, TX (KFWD), launched 12:00Z, 10.5 hours before the alert went out and 218 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
- 368 J/kg
- Mixed-layer CIN
- -195 J/kg
- Mixed-layer LCL
- 1327 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
821
WGUS54 KSJT 142232
FFWSJT
TXC059-441-150130-
/O.NEW.KSJT.FF.W.0021.170814T2232Z-170815T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Angelo TX
532 PM CDT MON AUG 14 2017
The National Weather Service in San Angelo has issued a
* Flash Flood Warning for...
Northwestern Callahan County in west central Texas...
Northeastern Taylor County in west central Texas...
* Until 830 PM CDT
* At 529 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Rainfall amounts have been
around 2 inches during the past hour in Abilene, with street
flooding being reported. Additional heavy rainfall will cause
flash flooding of creeks, streams and low water crossings,
especially in Abilene through 830 PM.
* Some locations that will experience flooding include...
Abilene, Clyde, Baird, Tye, Buffalo Gap, Eula, Potosi, View, Dyess
AFB, Impact and Kirby Lake.
This includes the following low water crossings ...
I-20 Frontage Roads near Baird...
I-20 Frontage Roads west of Clyde...
Intersections along Buttonwillow Parkway...
Curry Lane from Clack Street to Catclaw Drive...
Butternut Underpass...
Intersections along Sammons Street...
Texas Avenue at Arnold Boulevard...
FM 3308 crossing Draw...
Sunset between South 1st and 2nd and
Hartford...Redbird...Corsicana Streets.
Do not drive through these low water crossings or any other
low water crossing with water flowing across the roadway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Excessive runoff from heavy rainfall will cause flooding of small
creeks and streams, urban areas, highways, streets and underpasses as
well as other drainage areas and low lying spots.
&&
LAT...LON 3251 9933 3226 9935 3226 9994 3251 9988
$$1 follow-up statement
868 WGUS74 KSJT 150015 FFSSJT Flash Flood Statement National Weather Service San Angelo TX 715 PM CDT MON AUG 14 2017 TXC059-441-150130- /O.CON.KSJT.FF.W.0021.000000T0000Z-170815T0130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Callahan TX-Taylor TX- 715 PM CDT MON AUG 14 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR NORTHWESTERN CALLAHAN AND NORTHEASTERN TAYLOR COUNTIES... Up to two inches of rain have already fallen. Flash flooding is occuring. Some locations that will experience flooding include... Abilene, Clyde, Baird, Tye, Buffalo Gap, Eula, Potosi, View, Dyess AFB and Kirby Lake. Additional rainfall amounts of 1 inch are possible in the warned area. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Excessive runoff from heavy rainfall will cause flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other drainage areas and low lying spots. && LAT...LON 3246 9934 3226 9935 3226 9994 3246 9989 $$ Woodward
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 12:33 AM CDT | Special Weather Statement | SJT | Throckmorton | 42 min |
| Aug 14, 1:22 AM CDT | Special Weather Statement | SJT | Haskell, Throckmorton | 38 min |
| Aug 14, 2:03 AM CDT | Special Weather Statement | SJT | Throckmorton | 42 min |
| Aug 14, 2:49 PM CDT | Special Weather Statement | SJT | Shackelford | 26 min |
| Aug 14, 3:18 PM CDT | Special Weather Statement | SJT | Shackelford | 27 min |
| Aug 14, 3:48 PM CDT | Special Weather Statement | SJT | Shackelford | 27 min |
| Aug 14, 5:05 PM CDT | Areal Flood Advisory | SJT | Callahan, Jones, Shackelford, Taylor | 3 hr |
| Aug 14, 5:52 PM CDT | Special Weather Statement | SJT | Callahan | 23 min |
| Aug 14, 6:10 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Coleman | 35 min |
| Aug 14, 6:32 PM CDT | Special Weather Statement | SJT | Taylor | 28 min |
| Aug 14, 6:46 PM CDT | Severe Thunderstorm Warning | SJT | Runnels, Taylor | 44 min |
Nearby
Flash Flood Warnings in Texas, 2017Every flash flood warning in 2017
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.