Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 60, NWS Midland/Odessa, TX

August 19, 2021Jeff Davis County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Aug 19, 2021, 5:03 PM CDT for Jeff Davis 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 19, 2021, 5:03 PM CDT (22:03 UTC)
Expired: Aug 19, 2021, 8:15 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

County Jeff Davis County, TX

The radar

The Midland/Odessa radar (KMAF), 221 km from the middle of the area, began a volume at 22:05 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, 10.1 hours before the alert went out and 221 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: 729 J/kg
Mixed-layer CIN: -111 J/kg
Mixed-layer LCL: 1447 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 93 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

526 
WGUS54 KMAF 192203
FFWMAF
TXC243-200115-
/O.NEW.KMAF.FF.W.0060.210819T2203Z-210820T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
503 PM CDT Thu Aug 19 2021

The National Weather Service in Midland/Odessa has issued a

* Flash Flood Warning for...
  South Central Jeff Davis County in southwestern Texas...

* Until 815 PM CDT.

* At 503 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. 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...
  Fort Davis, Davis Mountains State Park, Fort Davis National 
  Historical Site and Indian Lodge.

This includes the following streams and drainages...
  Cienega Creek, Big Aguja Canyon, Limpia Creek, Cook Creek and 
  Barrilla Draw.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3064 10399 3069 10398 3067 10385 3056 10385
      3056 10394

FLASH FLOOD...RADAR INDICATED

$$

James DeBerry

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 18, 7:51 PM CDT	Special Weather Statement	MAF	Midland	39 min
Aug 19, 3:19 PM CDT	Special Weather Statement	MAF	Ward	26 min
Aug 19, 3:32 PM CDT	Areal Flood Advisory	MAF	Ector	2 hr
Aug 19, 3:45 PM CDT	Special Weather Statement	MAF	Ward	30 min
Aug 19, 4:12 PM CDT	Special Weather Statement	MAF	Ward	33 min
Aug 19, 4:15 PM CDT	Special Weather Statement	MAF	Jeff Davis	45 min
Aug 19, 4:17 PM CDT	Areal Flood Advisory	MAF	Brewster, Jeff Davis	3 hr
Aug 19, 4:21 PM CDT	Special Weather Statement	MAF	Ector	39 min
Aug 19, 4:30 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	3 hr
Aug 19, 4:46 PM CDT	Severe Thunderstorm Warning	MAF	Ector	59 min
Aug 19, 5:06 PM CDT	Special Weather Statement	MAF		24 min
Aug 19, 5:14 PM CDT	Special Weather Statement	MAF	Jeff Davis	31 min
Aug 19, 5:22 PM CDT	Areal Flood Advisory	MAF	Pecos	3 hr
Aug 19, 5:26 PM CDT	Flash Flood Warning	MAF	Ector	2 hr
Aug 19, 5:44 PM CDT	Special Weather Statement	MAF	Upton	46 min
Aug 19, 5:48 PM CDT	Areal Flood Advisory	MAF	Midland	3 hr
Aug 19, 6:18 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	27 min
Aug 19, 6:20 PM CDT	Special Weather Statement	MAF	Brewster	40 min
Aug 19, 6:25 PM CDT	Special Weather Statement	MAF	Midland	35 min
Aug 19, 6:41 PM CDT	Areal Flood Advisory	MAF	Pecos	3 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.