Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 50, NWS Midland/Odessa, TX

July 4, 2021Jeff Davis County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jul 4, 2021, 1:14 PM CDT for Jeff Davis 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 4, 2021, 1:14 PM CDT (18:14 UTC)
Expired: Jul 4, 2021, 3:15 PM CDT
In force: 2 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), 218 km from the middle of the area, began a volume at 18:16 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, 6.2 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.

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: 180 J/kg
Mixed-layer CIN: -79 J/kg
Mixed-layer LCL: 1091 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 34 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

581 
WGUS54 KMAF 041814
FFWMAF
TXC243-042015-
/O.NEW.KMAF.FF.W.0050.210704T1814Z-210704T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
114 PM CDT Sun Jul 4 2021

The National Weather Service in Midland/Odessa has issued a

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

* Until 315 PM CDT.

* At 114 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1.5 inches of 
  rain have fallen. The expected rainfall rate is 1 to 3 inches in 1 
  hour. 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.

&&

LAT...LON 3055 10385 3056 10396 3059 10398 3077 10395
      3076 10389 3068 10386

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...1-3 INCHES IN 1 HOUR

$$

James DeBerry

1 follow-up statement

527 
WGUS74 KMAF 041848
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
148 PM CDT Sun Jul 4 2021

TXC243-042015-
/O.CON.KMAF.FF.W.0050.000000T0000Z-210704T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jeff Davis TX-
148 PM CDT Sun Jul 4 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM CDT THIS 
AFTERNOON FOR SOUTH CENTRAL JEFF DAVIS COUNTY...

At 148 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.

&&

LAT...LON 3055 10385 3056 10396 3059 10398 3077 10395
      3076 10389 3068 10386

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
Jul 3, 7:07 PM CDT	Flash Flood Warning	MAF	Culberson, Reeves	4 hr
Jul 3, 8:34 PM CDT	Special Weather Statement	MAF	Reeves	41 min
Jul 3, 9:00 PM CDT	Areal Flood Advisory	MAF	Loving, Reeves, Ward	4 hr
Jul 4, 1:01 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	3 hr
Jul 4, 1:40 PM CDT	Flash Flood Watch	MAF	Borden, Dawson, Howard, Martin, Mitchell, Scurry	28 hr
Jul 4, 2:09 PM CDT	Areal Flood Advisory	MAF	Brewster, Jeff Davis	3 hr
Jul 4, 3:16 PM CDT	Areal Flood Advisory	MAF	Brewster, Jeff Davis, Presidio	4 hr
Jul 4, 4:53 PM CDT	Special Weather Statement	MAF	Jeff Davis	52 min
Jul 4, 5:02 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	3 hr
Jul 4, 6:20 PM CDT	Areal Flood Advisory	MAF	Culberson, Jeff Davis	3 hr
Jul 4, 6:55 PM CDT	Areal Flood Advisory	MAF	Culberson	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.