Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 43, NWS El Paso, TX

August 12, 2021El Paso County, Texas; Doña Ana County, New Mexico

NWS El Paso, TX issued this flash flood warning at Aug 12, 2021, 7:23 PM MDT for El Paso County, Texas; Doña Ana County, New Mexico. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 12, 2021, 7:23 PM MDT (01:23 UTC)
Expired
Aug 12, 2021, 10:30 PM MDT
In force
3 hr
Issued by
NWS El Paso, TX
Area
Storm-based polygon
Flood severity
None

Counties Doña Ana County, NM, El Paso County, TX

The radar

The El Paso radar (KEPZ), 24 km from the middle of the area, began a volume at 01:23 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.

What was reported inside it

TimeReportWhereRemark
Aug 12, 9:22 PM MDTFLASH FLOOD1 Ene Anthony, TXELEVATED AREA IN ANTHONY THAT DRAINS EASILY HAD 2 INCHES OF STANDING WATER IN THEIR YARD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 00:00Z, 1.4 hours before the alert went out and 24 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-pSkew-T log-p diagram, Santa Teresa, NM at 00:00Z on 2021-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 676 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Santa Teresa, NM at 00:00Z on 2021-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 11 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
676 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1977 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

850 
WGUS54 KEPZ 130123
FFWEPZ
NMC013-TXC141-130430-
/O.NEW.KEPZ.FF.W.0043.210813T0123Z-210813T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
723 PM MDT Thu Aug 12 2021

The National Weather Service in El Paso Tx/Santa Teresa has issued a

* Flash Flood Warning for...
  South Central Dona Ana County in south central New Mexico...
  Northwestern El Paso County in western Texas...

* Until 1030 PM MDT.

* At 723 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2.5 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...
  West El Paso, Anthony, Vado, Berino, Chamberino, La Union, Vinton, 
  Mesquite, Westway, San Miguel and La Mesa.

This includes the following highways...
	Interstate 10 in New Mexico between mile markers 150 and 152...and
	between mile markers 155 and 163.
	Interstate 10 in Texas between mile markers 1 and 4.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Excessive runoff from heavy rainfall will cause flooding of small 
creeks and streams, urban areas, highways, streets and underpasses 
to cross flooded roads. Find an alternate route.

Be aware of your surroundings and do not drive on flooded roads.

Remain alert for flooding even in locations not receiving rain. 
Arroyos, streams, and rivers can become raging killer currents in a 
matter of minutes, even from distant rainfall.

&&

LAT...LON 3217 10675 3221 10668 3194 10653 3193 10663

FLASH FLOOD...RADAR INDICATED

$$

AB
1 follow-up statement
231 
WGUS74 KEPZ 130427
FFSEPZ

Flash Flood Statement
National Weather Service El Paso Tx/Santa Teresa NM
1027 PM MDT Thu Aug 12 2021

NMC013-TXC141-130437-
/O.EXP.KEPZ.FF.W.0043.000000T0000Z-210813T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dona Ana NM-El Paso TX-
1027 PM MDT Thu Aug 12 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 1030 PM MDT THIS EVENING FOR 
SOUTH CENTRAL DONA ANA AND NORTHWESTERN EL PASO COUNTIES...

The heavy rain has ended. Minor flooding of low lying areas may be 
ongoing, but the threat for significant flooding has ended. Please 
continue to heed remaining road closures.

A Flash Flood Watch remains in effect until 900 AM MDT Saturday for 
portions of New Mexico and southwest Texas.

LAT...LON 3217 10675 3221 10668 3194 10653 3193 10663

$$

AB

The office that day

Everything else NWS El Paso, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 12, 6:12 PM MDTAreal Flood AdvisoryEPZEl Paso2 hr
Aug 12, 6:20 PM MDTAreal Flood AdvisoryEPZEl Paso115 min
Aug 12, 6:52 PM MDTFlash Flood WarningEPZEl Paso5 hr
Aug 12, 6:57 PM MDTAreal Flood AdvisoryEPZEl Paso2 hr
Aug 12, 7:07 PM MDTSpecial Weather StatementEPZEl Paso23 min
Aug 12, 7:37 PM MDTAreal Flood AdvisoryEPZEl Paso113 min
Aug 12, 7:55 PM MDTFlash Flood WarningEPZEl Paso4 hr
Aug 12, 8:05 PM MDTFlash Flood WarningEPZEl Paso4 hr
Aug 12, 8:24 PM MDTSpecial Weather StatementEPZEl Paso36 min
Aug 12, 9:24 PM MDTAreal Flood AdvisoryEPZEl Paso2 hr
Aug 13, 3:36 AM MDTAreal Flood AdvisoryEPZHudspeth3 hr
Aug 13, 1:17 PM MDTAreal Flood AdvisoryEPZHudspeth118 min
Aug 13, 1:52 PM MDTAreal Flood AdvisoryEPZEl Paso113 min
Aug 13, 2:45 PM MDTAreal Flood AdvisoryEPZHudspeth2 hr
Aug 13, 3:26 PM MDTAreal Flood AdvisoryEPZHudspeth2 hr
Aug 13, 4:11 PM MDTFlash Flood WarningEPZEl Paso3 hr
Aug 13, 4:17 PM MDTFlash Flood WarningEPZEl Paso, Hudspeth3 hr
Aug 13, 4:49 PM MDTFlash Flood WarningEPZEl Paso, Hudspeth3 hr
Aug 13, 5:25 PM MDTFlash Flood WarningEPZEl Paso3 hr
Aug 12, 6:16 PM MDTAreal Flood AdvisoryEPZDoña Ana26 min
Aug 12, 6:42 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Aug 12, 6:55 PM MDTSpecial Weather StatementEPZ35 min
Aug 12, 11:33 PM MDTAreal Flood AdvisoryEPZSierra5 hr
Aug 12, 11:56 PM MDTAreal Flood AdvisoryEPZSierra5 hr
Aug 13, 12:14 AM MDTFlash Flood WarningEPZSierra3 hr
Aug 13, 12:16 AM MDTFlash Flood WarningEPZSierra2 hr
Aug 13, 12:20 AM MDTAreal Flood AdvisoryEPZGrant3 hr
Aug 13, 12:32 AM MDTAreal Flood AdvisoryEPZSierra3 hr
Aug 13, 12:42 AM MDTFlash Flood WarningEPZSierra3 hr
Aug 13, 1:09 AM MDTFlash Flood WarningEPZSierra3 hr
Aug 13, 1:34 AM MDTAreal Flood AdvisoryEPZSierra3 hr
Aug 13, 2:30 AM MDTAreal Flood AdvisoryEPZOtero3 hr
Aug 13, 12:02 PM MDTAreal Flood AdvisoryEPZHidalgo118 min
Aug 13, 12:24 PM MDTAreal Flood AdvisoryEPZHidalgo2 hr
Aug 13, 12:30 PM MDTAreal Flood AdvisoryEPZHidalgo7 min
Aug 13, 12:37 PM MDTFlash Flood WarningEPZHidalgo113 min
Aug 13, 12:51 PM MDTAreal Flood AdvisoryEPZDoña Ana114 min
Aug 13, 1:20 PM MDTAreal Flood AdvisoryEPZOtero115 min
Aug 13, 2:47 PM MDTAreal Flood AdvisoryEPZOtero26 min
Aug 13, 2:52 PM MDTFlash Flood WarningEPZOtero3 hr
Aug 13, 3:13 PM MDTFlash Flood WarningEPZOtero3 hr
Aug 13, 3:21 PM MDTAreal Flood AdvisoryEPZOtero114 min
Aug 13, 3:58 PM MDTAreal Flood AdvisoryEPZOtero2 hr
Aug 13, 5:06 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Aug 13, 5:39 PM MDTSpecial Weather StatementEPZDoña Ana36 min

Nearby

Flash Flood Warnings in Texas, 2021Flash Flood Warnings in New Mexico, 2021Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.