Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 3, NWS El Paso, TX

June 28, 2021Doña Ana County, New Mexico

NWS El Paso, TX issued this flash flood warning at Jun 28, 2021, 3:55 PM MDT for Doña Ana County, New Mexico. It was in force for 4 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
Jun 28, 2021, 3:55 PM MDT (21:55 UTC)
Expired
Jun 28, 2021, 8:00 PM MDT
In force
4 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), 41 km from the middle of the area, began a volume at 21:57 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, 9.9 hours before the alert went out and 41 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 2021-06-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 177 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 2021-06-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.193958Sfc1 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
177 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
844 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

158 
WGUS54 KEPZ 282155
FFWEPZ
NMC013-290200-
/O.NEW.KEPZ.FF.W.0003.210628T2155Z-210629T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
355 PM MDT Mon Jun 28 2021

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

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

* Until 800 PM MDT.

* At 355 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 2 and 3 inches of rain 
  have fallen. Flash flooding is ongoing or expected to begin 
  shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Doppler radar.

  IMPACT...Flooding of small creeks and streams, urban areas,
           highways, streets and underpasses as well as other
           drainage and low lying areas.

* Some locations that will experience flash flooding include...
  mainly rural areas of Southwestern Dona Ana County

Additional rainfall amounts of 1 to 3 inches are possible in the 
warned area.

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.

A Flash Flood Warning means that flooding is imminent or occurring. 
If you are in the warned area move to higher ground immediately. 
Residents living along streams and creeks should take immediate 
precautions to protect life and property.

&&

LAT...LON 3190 10706 3196 10701 3209 10712 3206 10726
      3194 10718

FLASH FLOOD...RADAR INDICATED

$$

JD
1 follow-up statement
913 
WGUS74 KEPZ 290101
FFSEPZ

Flash Flood Statement
National Weather Service El Paso Tx/Santa Teresa NM
701 PM MDT Mon Jun 28 2021

NMC013-290200-
/O.CON.KEPZ.FF.W.0003.000000T0000Z-210629T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Dona Ana NM-
701 PM MDT Mon Jun 28 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING 
FOR SOUTHWESTERN DONA ANA COUNTY...

At 655 PM MDT, Doppler radar indicates most of the heavy rain has 
ended across the warned area. However, between 2.5 to 4 inches of 
rain have fallen. Flooding and Flash Flooding are still a threat 
initially but the Flash Flood Warning will be allowed to expire at 
8PM MDT as the threat relaxes.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Doppler radar.

IMPACT...Flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other
         drainage and low lying areas.

Some locations that will experience flash flooding include...
  mainly rural areas of Southwestern Dona Ana County

Additional rainfall amounts up to 0.5 inches are possible in the 
warned area.

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.

A Flash Flood Warning means that flooding is imminent or occurring. 
If you are in the warned area move to higher ground immediately. 
Residents living along streams and creeks should take immediate 
precautions to protect life and property.

&&

LAT...LON 3190 10706 3196 10701 3209 10712 3206 10726
      3194 10718

FLASH FLOOD...RADAR INDICATED

$$

JD

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 6:13 PM MDTAreal Flood AdvisoryEPZOtero2 hr
Jun 28, 6:44 AM MDTAreal Flood AdvisoryEPZDoña Ana3 hr
Jun 28, 2:38 PM MDTAreal Flood AdvisoryEPZDoña Ana5 hr
Jun 28, 3:21 PM MDTAreal Flood AdvisoryEPZDoña Ana3 hr
Jun 28, 3:52 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Jun 28, 4:35 PM MDTAreal Flood AdvisoryEPZDoña Ana, Luna3 hr

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.