Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 63, NWS El Paso, TX

August 14, 2021Doña Ana County, New Mexico

NWS El Paso, TX issued this flash flood warning at Aug 14, 2021, 8:20 AM MDT for 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 14, 2021, 8:20 AM MDT (14:20 UTC)
Expired
Aug 14, 2021, 11:30 AM MDT
In force
3 hr
Issued by
NWS El Paso, TX
Area
Storm-based polygon
Flood severity
None

County Doña Ana County, NM

The radar

The El Paso radar (KEPZ), 9 km from the middle of the area, began a volume at 14:21 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 12:00Z, 2.3 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.

384 
WGUS54 KEPZ 141420
FFWEPZ
NMC013-141730-
/O.NEW.KEPZ.FF.W.0063.210814T1420Z-210814T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

* Until 1130 AM MDT.

* At 820 AM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 4 inches of rain have 
  fallen. Additional rainfall amounts up 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 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...
  Santa Teresa and Union Pacific Intermodal Terminal.

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, country roads, farmland, and other low lying 
spots.

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 3191 10674 3189 10667 3182 10665 3178 10666
      3178 10675 3178 10676 3178 10677 3178 10679
      3178 10680 3178 10682 3178 10685 3184 10687

FLASH FLOOD...RADAR INDICATED

$$

AB
1 follow-up statement
786 
WGUS74 KEPZ 141725
FFSEPZ

Flash Flood Statement
National Weather Service El Paso Tx/Santa Teresa NM
1125 AM MDT Sat Aug 14 2021

NMC013-141735-
/O.EXP.KEPZ.FF.W.0063.000000T0000Z-210814T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dona Ana NM-
1125 AM MDT Sat Aug 14 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 1130 AM MDT THIS MORNING FOR 
SOUTH CENTRAL DONA ANA COUNTY...

The heavy rain has ended, but minor flooding may be ongoing. Please 
continue to heed remaining road closures.

A Flash Flood Watch remains in effect until 1200 AM MDT Sunday for 
portions of New Mexico and southwest Texas.

LAT...LON 3191 10674 3189 10667 3182 10665 3178 10666
      3178 10675 3178 10676 3178 10677 3178 10679
      3178 10680 3178 10682 3178 10685 3184 10687

$$

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, 6:22 AM MDTFlash Flood WarningEPZDoña Ana6 hr
Aug 14, 7:43 AM MDTFlash Flood WarningEPZOtero3 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

Nearby

Flash 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.