Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 52, NWS El Paso, TX

August 13, 2021Otero County, New Mexico

NWS El Paso, TX issued this flash flood warning at Aug 13, 2021, 3:13 PM MDT for 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 13, 2021, 3:13 PM MDT (21:13 UTC)
Expired
Aug 13, 2021, 6:15 PM MDT
In force
3 hr
Issued by
NWS El Paso, TX
Area
Storm-based polygon
Flood severity
None

County Otero County, NM

The radar

The Holloman AFB radar (KHDX), 48 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 121 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 2021-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 568 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 2021-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
568 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
660 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
-11 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

335 
WGUS54 KEPZ 132113
FFWEPZ
NMC035-140015-
/O.NEW.KEPZ.FF.W.0052.210813T2113Z-210814T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
313 PM MDT Fri Aug 13 2021

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

* Flash Flood Warning for...
  Central Otero County in south central New Mexico...

* Until 615 PM MDT.

* At 313 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Up to 2.5 inches of rain have 
  fallen. 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...
  Timberon and Oliver Lee State Park.

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.

In hilly terrain there are numerous of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

Flooding is occurring or is imminent. It is important to know where 
you are relative to streams, rivers, or creeks which can become 
killers in heavy rains. Campers and hikers should avoid streams or 
creeks.

&&

LAT...LON 3278 10584 3262 10570 3259 10584 3270 10600
      3272 10600

FLASH FLOOD...RADAR INDICATED

$$

AB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 6:16 PM MDTAreal Flood AdvisoryEPZDoña Ana26 min
Aug 12, 6:20 PM MDTAreal Flood AdvisoryEPZDoña Ana115 min
Aug 12, 6:42 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Aug 12, 6:55 PM MDTSpecial Weather StatementEPZ35 min
Aug 12, 6:57 PM MDTAreal Flood AdvisoryEPZDoña Ana2 hr
Aug 12, 7:23 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Aug 12, 7:55 PM MDTFlash Flood WarningEPZDoña Ana4 hr
Aug 12, 8:05 PM MDTFlash Flood WarningEPZDoña Ana4 hr
Aug 12, 11:33 PM MDTAreal Flood AdvisoryEPZSierra5 hr
Aug 12, 11:56 PM MDTAreal Flood AdvisoryEPZSierra5 hr
Aug 13, 12:14 AM MDTFlash Flood WarningEPZSierra3 hr
Aug 13, 12:16 AM MDTFlash Flood WarningEPZSierra2 hr
Aug 13, 12:20 AM MDTAreal Flood AdvisoryEPZGrant3 hr
Aug 13, 12:32 AM MDTAreal Flood AdvisoryEPZSierra3 hr
Aug 13, 12:42 AM MDTFlash Flood WarningEPZSierra3 hr
Aug 13, 1:09 AM MDTFlash Flood WarningEPZSierra3 hr
Aug 13, 1:34 AM MDTAreal Flood AdvisoryEPZSierra3 hr
Aug 13, 2:30 AM MDTAreal Flood AdvisoryEPZOtero3 hr
Aug 13, 12:02 PM MDTAreal Flood AdvisoryEPZHidalgo118 min
Aug 13, 12:24 PM MDTAreal Flood AdvisoryEPZHidalgo2 hr
Aug 13, 12:30 PM MDTAreal Flood AdvisoryEPZHidalgo7 min
Aug 13, 12:37 PM MDTFlash Flood WarningEPZHidalgo113 min
Aug 13, 12:51 PM MDTAreal Flood AdvisoryEPZDoña Ana114 min
Aug 13, 1:20 PM MDTAreal Flood AdvisoryEPZOtero115 min
Aug 13, 2:47 PM MDTAreal Flood AdvisoryEPZOtero26 min
Aug 13, 2:52 PM MDTFlash Flood WarningEPZOtero3 hr
Aug 13, 3:21 PM MDTAreal Flood AdvisoryEPZOtero114 min
Aug 13, 3:58 PM MDTAreal Flood AdvisoryEPZOtero2 hr
Aug 13, 5:06 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Aug 13, 5:39 PM MDTSpecial Weather StatementEPZDoña Ana36 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.