Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 18, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Jul 3, 2021, 3:54 AM CDT for Sterling County, Texas. It was in force for 111 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 3, 2021, 3:54 AM CDT (08:54 UTC)
- Expired
- Jul 3, 2021, 5:45 AM CDT
- In force
- 111 min
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Sterling County, TX
The radar
The San Angelo radar (KSJT), 72 km from the middle of the area, began a volume at 08:57 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 00:00Z, 8.9 hours before the alert went out and 106 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
- 1700 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1302 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
902
WGUS54 KSJT 030854
FFWSJT
TXC431-031045-
/O.NEW.KSJT.FF.W.0018.210703T0854Z-210703T1045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Angelo TX
354 AM CDT Sat Jul 3 2021
The National Weather Service in San Angelo has issued a
* Flash Flood Warning for...
Sterling County in west central Texas...
* Until 545 AM CDT.
* At 352 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across Sterling County. Between 1.5 and 2 inches of
rain has already fallen, with additional rainfall amounts up to
1.5 inches possible. Flash flooding is ongoing or expected to
begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
Sterling City.
This includes the following Low Water Crossings...
Jackson crossing Sterling Creek and Bade crossing Lacy Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3156 10126 3208 10126 3208 10083 3156 10087
FLASH FLOOD...RADAR INDICATED
$$
7The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 2:22 AM CDT | Flash Flood Warning | SJT | Fisher, Nolan | 113 min |
| Jul 3, 3:33 AM CDT | Areal Flood Advisory | SJT | Coke, Sterling | 3 hr |
| Jul 3, 3:42 AM CDT | Areal Flood Advisory | SJT | Coke, Fisher, Jones, Nolan, Runnels, Taylor | 2 hr |
| Jul 3, 4:17 AM CDT | Flash Flood Warning | SJT | Fisher | 118 min |
| Jul 3, 4:33 AM CDT | Areal Flood Advisory | SJT | Coke, Irion, Runnels, Sterling, Tom Green | 117 min |
Nearby
Flash Flood Warnings in Texas, 2021Every flash flood warning in 2021
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.