Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 59, NWS El Paso, TX

August 14, 2021Doña Ana County, Otero County, New Mexico

NWS El Paso, TX issued this flash flood warning at Aug 14, 2021, 3:27 AM MDT for Doña Ana County, Otero 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, 3:27 AM MDT (09:27 UTC)
Expired
Aug 14, 2021, 6:45 AM MDT
In force
3 hr
Issued by
NWS El Paso, TX
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

Counties Doña Ana County, NM, Otero County, NM

The radar

The El Paso radar (KEPZ), 60 km from the middle of the area, began a volume at 09:31 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, 9.5 hours before the alert went out and 60 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 2021-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 458 joules per kilogram.LCLEL10008507005003002001001 km2 km3 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 2021-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 km3 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
458 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1317 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

615 
WGUS54 KEPZ 140927
FFWEPZ
NMC013-035-141245-
/O.NEW.KEPZ.FF.W.0059.210814T0927Z-210814T1245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

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

* Flash Flood Warning for...
  East Central Dona Ana County in south central New Mexico...
  Southwestern Otero County in south central New Mexico...

* Until 645 AM MDT.

* At 327 AM MDT, local law enforcement reported thunderstorms 
  producing heavy rain across Highway 70, east of San Augustine Pass 
  and over the road to the White Sands Missile Range Headquarters. 
  Between 1.5 and 2.5 inches of rain have fallen. The expected 
  rainfall rate is 1 to 2 inches in 1 hour. Additional rainfall 
  amounts of 1 to 2 inches are possible in the warned area. Flash 
  flooding is already occurring.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Law enforcement reported.

  IMPACT...Life threatening flash flooding of washes, arroyos,
           and low water crossings.

* Some locations that will experience flash flooding include...
  White Sands Missile Range Headquarters area and highway 70, east 
  of San Augustin Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3229 10638 3220 10649 3225 10652 3232 10653
      3238 10658 3246 10658 3248 10647 3253 10637
      3252 10637

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL...1-2 INCHES IN 1 HOUR

$$

TAB

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, 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, 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

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.