Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 61, NWS El Paso, TX

August 14, 2021Doña Ana County, New Mexico; El Paso County, Texas

NWS El Paso, TX issued this flash flood warning at Aug 14, 2021, 6:22 AM MDT for Doña Ana County, New Mexico; El Paso County, Texas. It was in force for 6 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 14, 2021, 6:22 AM MDT (12:22 UTC)
Expired
Aug 14, 2021, 12:00 PM MDT
In force
6 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), 7 km from the middle of the area, began a volume at 12:24 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 14, 11:15 AM MDTFLOODCanutillo, TXTX 20 CLOSED FROM STANDING WATER AND MUD FLOWS.

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 12:00Z, 0.4 hours before the alert went out and 8 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 12:00Z on 2021-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 533 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 12:00Z on 2021-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
533 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

895 
WGUS54 KEPZ 141222
FFWEPZ
NMC013-TXC141-141530-
/O.NEW.KEPZ.FF.W.0061.210814T1222Z-210814T1530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
622 AM MDT Sat Aug 14 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...
  Northwestern El Paso County in western Texas...

* Until 930 AM MDT.

* At 622 AM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 1.5 inches of 
  rain have fallen. The expected rainfall rate is 0.5 to 1 inch in 1 
  hour. 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 and washes, 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, Santa Teresa, Sunland Park, Canutillo, Vinton and 
  Westway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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

&&

LAT...LON 3182 10665 3189 10667 3192 10662 3197 10663
      3197 10658 3189 10658

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL...0.5-1 INCH IN 1 HOUR

$$

TAB
1 follow-up statement
812 
WGUS54 KEPZ 141442
FFWEPZ
NMC013-TXC141-141800-
/O.EXT.KEPZ.FF.W.0061.000000T0000Z-210814T1800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
842 AM MDT Sat Aug 14 2021

The National Weather Service in El Paso Tx/Santa Teresa has extended 
the

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

* Until noon MDT.

* At 842 AM MDT, trained weather spotters reported thunderstorms 
  producing heavy rain across the warned area. Up to 3 inches of 
  rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are 
  possible in the warned area. Flash flooding is already occurring.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Trained spotters reported.

  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, Santa Teresa, Sunland Park, Canutillo, Vinton and 
  Westway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be especially cautious at night when it is harder to recognize the 
dangers of flooding.

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

&&

LAT...LON 3182 10665 3189 10667 3192 10662 3197 10663
      3197 10658 3189 10658

FLASH FLOOD...OBSERVED

$$

AB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 6:17 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Aug 13, 8:21 PM MDTAreal Flood WarningEPZDoña Ana6 hr
Aug 14, 3:27 AM MDTFlash Flood Warning Considerable damage threatEPZDoña Ana, Otero3 hr
Aug 14, 4:48 AM MDTFlash Flood WarningEPZDoña Ana7 hr
Aug 14, 7:43 AM MDTFlash Flood WarningEPZOtero3 hr
Aug 14, 8:20 AM MDTFlash Flood WarningEPZDoña Ana3 hr
Aug 14, 9:58 AM MDTFlash Flood WarningEPZLuna3 hr
Aug 14, 10:09 AM MDTFlash Flood Warning EmergencyCatastrophic damage threatEPZDoña Ana3 hr
Aug 14, 10:25 AM MDTFlash Flood WarningEPZOtero3 hr
Aug 14, 11:01 AM MDTAreal Flood AdvisoryEPZOtero, Sierra7 hr
Aug 14, 11:13 AM MDTAreal Flood AdvisoryEPZLuna2 hr
Aug 14, 1:06 PM MDTAreal Flood WarningEPZOtero5 hr
Aug 14, 1:16 PM MDTAreal Flood WarningEPZDoña Ana6 hr
Aug 14, 1:58 PM MDTAreal Flood AdvisoryEPZLuna2 hr
Aug 14, 2:55 PM MDTFlash Flood WarningEPZDoña Ana, Otero2 hr
Aug 14, 3:18 PM MDTFlash Flood WarningEPZDoña Ana117 min
Aug 14, 4:37 AM MDTAreal Flood AdvisoryEPZHudspeth4 hr

Nearby

Flash Flood Warnings in New Mexico, 2021Flash Flood Warnings in Texas, 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.