Alert archive / Texas / Flash Flood Warnings in 2021

Flash Flood Warning 69, NWS El Paso, TX

August 16, 2021El Paso County, Texas; Doña Ana County, New Mexico

NWS El Paso, TX issued this flash flood warning at Aug 16, 2021, 5:55 AM MDT for El Paso County, Texas; Doña Ana County, New Mexico. 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 16, 2021, 5:55 AM MDT (11:55 UTC)
Expired
Aug 16, 2021, 9:00 AM 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), 9 km from the middle of the area, began a volume at 11:56 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

Santa Teresa, NM (KEPZ), launched 00:00Z, 11.9 hours before the alert went out and 10 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 2021-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 528 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
528 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
1195 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
16 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

875 
WGUS54 KEPZ 161155
FFWEPZ
NMC013-TXC141-161500-
/O.NEW.KEPZ.FF.W.0069.210816T1155Z-210816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
555 AM MDT Mon Aug 16 2021

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

* Flash Flood Warning for...
  Southeastern Dona Ana County in south central New Mexico...
  Western El Paso County in western Texas...

* Until 900 AM MDT.

* At 555 AM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1 inch of rain 
  has fallen. Additional rainfall amounts of 0.5 to 1 inch 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 arroyos, urban areas, highways and
           streets, as well as other poor drainage and low-lying
           areas.

* Some locations that will experience flash flooding include...
  Doniphan road in West El Paso, Canutillo and Vinton.

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.

&&

LAT...LON 3194 10662 3194 10659 3189 10659 3186 10658
      3186 10661 3188 10662 3192 10662

FLASH FLOOD...RADAR INDICATED

$$

TAB
1 follow-up statement
660 
WGUS74 KEPZ 161455
FFSEPZ

Flash Flood Statement
National Weather Service El Paso Tx/Santa Teresa NM
855 AM MDT Mon Aug 16 2021

NMC013-TXC141-161505-
/O.EXP.KEPZ.FF.W.0069.000000T0000Z-210816T1500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dona Ana NM-El Paso TX-
855 AM MDT Mon Aug 16 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 9 AM MDT THIS MORNING FOR 
SOUTHEASTERN DONA ANA AND WESTERN EL PASO COUNTIES...

Flood waters have receded. The heavy rain has ended. Flooding is no 
longer expected to pose a threat. Please continue to heed remaining 
road closures.

A Flash Flood Watch remains in effect until 300 AM MDT Tuesday for 
portions of New Mexico and Far West Texas.

LAT...LON 3194 10662 3194 10659 3189 10659 3186 10658
      3186 10661 3188 10662 3192 10662

$$

JG

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 16, 5:25 AM MDTAreal Flood AdvisoryEPZHudspeth3 hr
Aug 16, 6:06 AM MDTAreal Flood AdvisoryEPZEl Paso3 hr
Aug 16, 8:58 AM MDTAreal Flood AdvisoryEPZHudspeth3 hr
Aug 16, 2:02 PM MDTAreal Flood AdvisoryEPZEl Paso3 hr
Aug 16, 12:36 PM MDTSpecial Weather StatementEPZGrant24 min
Aug 16, 1:08 PM MDTAreal Flood AdvisoryEPZGrant, Sierra3 hr
Aug 16, 1:15 PM MDTSpecial Weather StatementEPZOtero45 min
Aug 16, 2:11 PM MDTSpecial Weather StatementEPZLuna49 min
Aug 16, 2:23 PM MDTAreal Flood AdvisoryEPZGrant, Luna112 min
Aug 16, 3:10 PM MDTAreal Flood AdvisoryEPZGrant, Sierra3 hr
Aug 16, 4:17 PM MDTAreal Flood AdvisoryEPZDoña Ana, Sierra118 min
Aug 16, 4:25 PM MDTAreal Flood AdvisoryEPZGrant, Hidalgo3 hr
Aug 16, 4:56 PM MDTAreal Flood AdvisoryEPZLuna2 hr
Aug 16, 5:17 PM MDTSpecial Weather StatementEPZHidalgo58 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.