Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 6, NWS Midland/Odessa, TX

May 25, 2021Pecos County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 25, 2021, 3:46 PM CDT for Pecos County, Texas. It was in force for 4 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: May 25, 2021, 3:46 PM CDT (20:46 UTC)
Expired: May 25, 2021, 7:45 PM CDT
In force: 4 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon
Flood severity: None

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 163 km from the middle of the area, began a volume at 20:46 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, 8.8 hours before the alert went out and 163 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: 2087 J/kg
Mixed-layer CIN: -99 J/kg
Mixed-layer LCL: 667 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 217 m²/s²
0-3 km storm-relative helicity: 278 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

As transmitted.

577 
WGUS54 KMAF 252046
FFWMAF
TXC371-260045-
/O.NEW.KMAF.FF.W.0006.210525T2046Z-210526T0045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Midland/Odessa TX
346 PM CDT Tue May 25 2021

The National Weather Service in Midland/Odessa has issued a

* Flash Flood Warning for...
  West Central Pecos County in southwestern Texas...

* Until 745 PM CDT.

* At 346 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...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...
  Sierra Madera.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3068 10346 3086 10266 3066 10249 3050 10319

FLASH FLOOD...RADAR INDICATED

$$

David Hennig

The office that day

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

Issued	Product	Office	Counties	Lasted
May 24, 7:31 PM CDT	Special Weather Statement	MAF	Pecos	44 min
May 24, 7:33 PM CDT	Special Weather Statement	MAF	Loving	42 min
May 24, 7:34 PM CDT	Special Weather Statement	MAF	Borden, Dawson	41 min
May 24, 7:35 PM CDT	Special Weather Statement	MAF	Yoakum	40 min
May 24, 7:51 PM CDT	Special Weather Statement	MAF	Mitchell	39 min
May 24, 8:07 PM CDT	Special Weather Statement	MAF	Scurry	38 min
May 24, 8:14 PM CDT	Severe Thunderstorm Warning	MAF	Culberson, Loving, Reeves	61 min
May 24, 8:26 PM CDT	Special Weather Statement	MAF	Loving	49 min
May 24, 8:48 PM CDT	Special Weather Statement	MAF	Borden, Mitchell, Scurry	42 min
May 24, 8:59 PM CDT	Special Weather Statement	MAF	Winkler	46 min
May 24, 9:09 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Loving, Winkler	51 min
May 24, 9:53 PM CDT	Special Weather Statement	MAF	Ward, Winkler	52 min
May 24, 9:57 PM CDT	Special Weather Statement	MAF		48 min
May 25, 12:55 AM CDT	Special Weather Statement	MAF	Scurry	50 min
May 25, 1:44 AM CDT	Areal Flood Advisory	MAF	Borden, Scurry	2 hr
May 25, 2:42 PM CDT	Special Weather Statement	MAF	Pecos	48 min
May 25, 2:47 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Pecos	58 min
May 25, 2:50 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	55 min
May 25, 3:40 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Jeff Davis, Pecos	50 min
May 25, 3:43 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	47 min
May 25, 3:45 PM CDT	Special Weather Statement	MAF	Pecos	45 min
May 25, 4:06 PM CDT	Special Weather Statement	MAF	Pecos	39 min
May 25, 4:15 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Pecos	60 min
May 25, 4:18 PM CDT	Severe Thunderstorm Warning	MAF	Crane, Pecos	57 min
May 25, 4:31 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Pecos	59 min
May 25, 4:49 PM CDT	Severe Thunderstorm Warning	MAF	Crane, Ector, Midland, Pecos, Upton, Ward	56 min
May 25, 5:26 PM CDT	Severe Thunderstorm Warning	MAF	Andrews, Crane, Ector, Martin, Midland, Upton	64 min
May 25, 5:34 PM CDT	Severe Thunderstorm Warning	MAF	Brewster, Terrell	56 min
May 25, 5:39 PM CDT	Special Weather Statement	MAF	Howard	51 min
May 25, 5:45 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Howard, Mitchell, Scurry	60 min
May 25, 6:04 PM CDT	Areal Flood Advisory	MAF	Ector, Midland	116 min
May 25, 6:19 PM CDT	Severe Thunderstorm Warning	MAF	Glasscock, Howard, Martin, Midland	56 min
May 25, 6:33 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Scurry	72 min
May 25, 6:39 PM CDT	Special Weather Statement	MAF	Brewster	51 min
May 25, 6:43 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Howard, Mitchell, Scurry	62 min
May 25, 6:47 PM CDT	Special Weather Statement	MAF	Brewster	43 min

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.