Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 14, NWS San Angelo, TX

June 2, 2021McCulloch County, San Saba County, Texas

NWS San Angelo, TX issued this flash flood warning at Jun 2, 2021, 6:35 PM CDT for McCulloch County, San Saba County, Texas. It was in force for 115 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: Jun 2, 2021, 6:35 PM CDT (23:35 UTC)
Expired: Jun 2, 2021, 8:30 PM CDT
In force: 115 min
Issued by: NWS San Angelo, TX
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties McCulloch County, TX, San Saba County, TX

The radar

The San Angelo radar (KSJT), 144 km from the middle of the area, began a volume at 23:34 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, 11.6 hours before the alert went out and 246 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 914 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 13 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

777 
WGUS54 KSJT 022335
FFWSJT
TXC307-411-030130-
/O.NEW.KSJT.FF.W.0014.210602T2335Z-210603T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Angelo TX
635 PM CDT Wed Jun 2 2021

The National Weather Service in San Angelo has issued a

* Flash Flood Warning for...
  East Central McCulloch County in west central Texas...
  Southwestern San Saba County in west central Texas...

* Until 830 PM CDT.

* At 635 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. 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...
  San Saba, Richland Springs, Algerita, Sloan, Rochelle, Placid, 
  Hall, Harkeyville and Us-190 Near The Mcculloch-San Saba County 
  Line.

This includes the following Low Water Crossings...
FM 1030 crossing Wallace Creek, FM 1121 crossing Onion Creek, FM 
1028 crossing Corn Creek, County Road 416 crossing Onion Creek, 
County Road 416 crossing Little Onion Creek, CR 340 crossing San 
Saba River, County Road 423 crossing Little Brady Creek, County Road 
424 crossing Little Brady Creek, CR 340 crossing Dry Creek and CR 
208 crossing San Saba River.

This includes the following streams and drainages...
  Dry Simpson Creek, East Goens Creek, Brady Creek, Deep Creek, Dry 
  Creek, East Fork Cedar Creek, Simpson Creek, Billie Branch, 
  Jackson Branch, Cedar Creek, Rabbit Creek, Pool Branch, Burnt 
  Branch, Colorado River, Little Brady Creek, Rough Creek, Latham 
  Creek, Kemp Creek, Goens Creek, Buffalo Creek, Lost Creek, King 
  Creek, Onion Creek, Cherokee Creek, Wallace Creek, Honey Creek, 
  Bluff Creek, Woodward Branch, Jerrys Branch, Cedar Branch, Corn 
  Creek, Gregg Branch, Richland Springs Creek and San Saba River.

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 3112 9909 3117 9925 3135 9927 3121 9860
      3099 9869

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

21

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 2, 5:48 AM CDT	Special Weather Statement	SJT	Fisher, Haskell	57 min
Jun 2, 6:01 AM CDT	Severe Thunderstorm Warning	SJT	Fisher, Haskell, Jones	59 min
Jun 2, 6:46 AM CDT	Special Weather Statement	SJT	Jones, Shackelford, Throckmorton	59 min
Jun 2, 8:35 AM CDT	Areal Flood Warning	SJT	Haskell	36 hr
Jun 2, 1:20 PM CDT	Special Weather Statement	SJT	Coke	40 min
Jun 2, 2:16 PM CDT	Special Weather Statement	SJT	Sterling	44 min
Jun 2, 2:21 PM CDT	River Flood Warning	SJT	Shackelford, Throckmorton	48 hr
Jun 2, 2:31 PM CDT	Areal Flood Advisory	SJT	Coke, Sterling	3 hr
Jun 2, 3:07 PM CDT	Special Weather Statement	SJT	Coke	38 min
Jun 2, 3:46 PM CDT	Special Weather Statement	SJT	Tom Green	44 min
Jun 2, 4:02 PM CDT	Areal Flood Advisory	SJT	Coke, Irion, Sterling, Tom Green	3 hr
Jun 2, 4:12 PM CDT	Special Weather Statement	SJT	McCulloch	48 min
Jun 2, 4:27 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	48 min
Jun 2, 4:43 PM CDT	Special Weather Statement	SJT	Concho	47 min
Jun 2, 4:47 PM CDT	Special Weather Statement	SJT	Tom Green	43 min
Jun 2, 4:50 PM CDT	Areal Flood Advisory	SJT	Concho, McCulloch	115 min
Jun 2, 4:53 PM CDT	Severe Thunderstorm Warning	SJT	Nolan	52 min
Jun 2, 4:54 PM CDT	Areal Flood Advisory	SJT	Coke, Concho, Runnels, Tom Green	3 hr
Jun 2, 4:56 PM CDT	Severe Thunderstorm Warning	SJT	Concho, Runnels, Tom Green	27 min
Jun 2, 5:22 PM CDT	Special Weather Statement	SJT	Tom Green	38 min
Jun 2, 5:36 PM CDT	Areal Flood Advisory	SJT	Brown, Coleman, McCulloch	3 hr
Jun 2, 5:38 PM CDT	Special Weather Statement	SJT	Fisher	52 min
Jun 2, 5:54 PM CDT	Special Weather Statement	SJT	Concho	51 min
Jun 2, 5:56 PM CDT	Special Weather Statement	SJT	Concho	49 min
Jun 2, 5:59 PM CDT	Areal Flood Advisory	SJT	Tom Green	2 hr
Jun 2, 6:26 PM CDT	Areal Flood Advisory	SJT	Concho, Tom Green	2 hr

Nearby

Flash Flood Warnings in Texas, 2021 Every 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.