Alert archive / Texas / Flash Flood Warnings in 2021
Flash Flood Warning 24, NWS San Angelo, TX
NWS San Angelo, TX issued this flash flood warning at Jul 19, 2021, 4:25 PM CDT for McCulloch County, Texas. It was in force for 2 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
- Jul 19, 2021, 4:25 PM CDT (21:25 UTC)
- Expired
- Jul 19, 2021, 6:30 PM CDT
- In force
- 2 hr
- Issued by
- NWS San Angelo, TX
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County McCulloch County, TX
The radar
The San Angelo radar (KSJT), 112 km from the middle of the area, began a volume at 21:24 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, 9.4 hours before the alert went out and 248 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
- 884 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 982 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 80 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
193
WGUS54 KSJT 192125
FFWSJT
TXC307-192330-
/O.NEW.KSJT.FF.W.0024.210719T2125Z-210719T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Angelo TX
425 PM CDT Mon Jul 19 2021
The National Weather Service in San Angelo has issued a
* Flash Flood Warning for...
Northeastern McCulloch County in west central Texas...
* Until 630 PM CDT.
* At 424 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Flash flooding is ongoing or expected to begin
shortly.
HAZARD...Life threatening flash flooding. Thunderstorms
producing flash flooding.
SOURCE...Radar.
IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets and underpasses.
* Some locations that will experience flash flooding include...
Placid, Mercury, Lohn, Waldrip and Fife.
This includes the following Low Water Crossings...
FM 1028 crossing Corn Creek, County Road 314 crossing East Fork Cow
Creek, County Road 440 crossing Deep Creek and County Road 440
crossing Spring Branch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3143 9929 3141 9909 3125 9909 3131 9940
3136 9944 3145 9942 3144 9938 3143 9936
3144 9935 3144 9934 3143 9934 3142 9935
3142 9934 3141 9932 3141 9931 3142 9930
3143 9930
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
211 follow-up statement
408
WGUS74 KSJT 192245
FFSSJT
Flash Flood Statement
National Weather Service San Angelo TX
545 PM CDT Mon Jul 19 2021
TXC307-192330-
/O.CON.KSJT.FF.W.0024.000000T0000Z-210719T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
McCulloch TX-
545 PM CDT Mon Jul 19 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT THIS
EVENING FOR NORTHEASTERN MCCULLOCH COUNTY...
At 541 PM CDT, Doppler radar indicated thunderstorms have moved
south of the warned area. However, runoff from the heavy rain may
still cause flash flooding. Also, radar has estimated rainfall
amounts of 4 to 5 inches across the warned area since 4 pm.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
Some locations that will experience flash flooding include...
Placid, Mercury, Lohn, Waldrip and Fife.
This includes the following Low Water Crossings...
FM 1028 crossing Corn Creek, County Road 314 crossing East Fork Cow
Creek, County Road 440 crossing Deep Creek and County Road 440
crossing Spring Branch.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be aware of your surroundings and do not drive on flooded roads.
&&
LAT...LON 3143 9929 3141 9909 3125 9909 3131 9940
3136 9944 3145 9942 3144 9938 3143 9936
3144 9935 3144 9934 3143 9934 3142 9935
3142 9934 3141 9932 3141 9931 3142 9930
3143 9930
FLASH FLOOD...RADAR INDICATED
$$
21The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 7:30 PM CDT | Areal Flood Advisory | SJT | Jones | 2 hr |
| Jul 19, 12:25 AM CDT | Special Weather Statement | SJT | Haskell, Jones, Throckmorton | 50 min |
| Jul 19, 2:12 AM CDT | Areal Flood Advisory | SJT | Haskell, Throckmorton | 108 min |
| Jul 19, 2:23 PM CDT | Special Weather Statement | SJT | Schleicher | 52 min |
| Jul 19, 2:35 PM CDT | Areal Flood Advisory | SJT | Irion | 115 min |
| Jul 19, 3:48 PM CDT | Areal Flood Advisory | SJT | Menard, Schleicher | 72 min |
| Jul 19, 3:49 PM CDT | Areal Flood Advisory | SJT | Coleman, McCulloch, San Saba | 116 min |
| Jul 19, 5:32 PM CDT | Areal Flood Advisory | SJT | Concho | 2 hr |
| Jul 19, 5:34 PM CDT | Special Weather Statement | SJT | Concho | 41 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.