Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 37, NWS Midland/Odessa, TX

June 29, 2021Jeff Davis County, Reeves County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jun 29, 2021, 4:52 PM CDT for Jeff Davis County, Reeves 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: Jun 29, 2021, 4:52 PM CDT (21:52 UTC)
Expired: Jun 29, 2021, 8:00 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

Counties Jeff Davis County, TX, Reeves County, TX

The radar

The Midland/Odessa radar (KMAF), 199 km from the middle of the area, began a volume at 21:53 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, 9.9 hours before the alert went out and 199 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: 80 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 643 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: 18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

996 
WGUS54 KMAF 292152
FFWMAF
TXC243-389-300100-
/O.NEW.KMAF.FF.W.0037.210629T2152Z-210630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
452 PM CDT Tue Jun 29 2021

The National Weather Service in Midland/Odessa has issued a

* Flash Flood Warning for...
  Northeastern Jeff Davis County in southwestern Texas...
  Southwestern Reeves County in southwestern Texas...

* Until 800 PM CDT.

* At 452 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 1.5 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...
  mainly rural areas of Northeastern Jeff Davis and Southwestern 
  Reeves Counties

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 3111 10403 3108 10394 3102 10395 3100 10408
      3110 10412

FLASH FLOOD...RADAR INDICATED

$$

Johnson

1 follow-up statement

267 
WGUS74 KMAF 292345
FFSMAF

Flash Flood Statement
National Weather Service Midland/Odessa TX
645 PM CDT Tue Jun 29 2021

TXC243-389-300100-
/O.CON.KMAF.FF.W.0037.000000T0000Z-210630T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jeff Davis TX-Reeves TX-
645 PM CDT Tue Jun 29 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING 
FOR NORTHEASTERN JEFF DAVIS AND SOUTHWESTERN REEVES COUNTIES...

At 645 PM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 1.5 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...
  mainly rural areas of Northeastern Jeff Davis and Southwestern 
  Reeves Counties

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 3111 10403 3108 10394 3102 10395 3100 10408
      3110 10412

FLASH FLOOD...RADAR INDICATED

$$

Johnson

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 7:17 PM CDT	Areal Flood Advisory	MAF	Ward, Winkler	3 hr
Jun 28, 7:21 PM CDT	Areal Flood Advisory	MAF	Jeff Davis	3 hr
Jun 28, 8:02 PM CDT	Areal Flood Advisory	MAF	Jeff Davis, Pecos, Reeves	3 hr
Jun 28, 9:46 PM CDT	Areal Flood Advisory	MAF	Pecos, Reeves, Ward	3 hr
Jun 28, 9:50 PM CDT	Areal Flood Advisory	MAF	Reagan	55 min
Jun 28, 10:28 PM CDT	Flash Flood Warning	MAF	Ector	2 hr
Jun 28, 11:02 PM CDT	Areal Flood Advisory	MAF	Reeves, Ward	1 min
Jun 29, 12:05 AM CDT	Flash Flood Warning	MAF	Midland	3 hr
Jun 29, 12:29 AM CDT	Flash Flood Warning	MAF	Ector	3 hr
Jun 29, 2:39 AM CDT	Areal Flood Advisory	MAF	Pecos	3 hr
Jun 29, 3:01 AM CDT	Areal Flood Advisory	MAF	Andrews, Borden, Dawson, Gaines, Martin	3 hr
Jun 29, 7:24 AM CDT	Areal Flood Advisory	MAF	Culberson	4 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.