Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 26, NWS El Paso, TX

July 23, 2021Otero County, New Mexico

NWS El Paso, TX issued this flash flood warning at Jul 23, 2021, 11:44 AM 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
Jul 23, 2021, 11:44 AM MDT (17:44 UTC)
Expired
Jul 23, 2021, 2:45 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), 79 km from the middle of the area, began a volume at 17:42 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, 5.7 hours before the alert went out and 156 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 2021-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 318 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 2021-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
318 J/kg
Mixed-layer CIN
-216 J/kg
Mixed-layer LCL
1894 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-33 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.

862 
WGUS54 KEPZ 231744
FFWEPZ
NMC035-232045-
/O.NEW.KEPZ.FF.W.0026.210723T1744Z-210723T2045Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
1144 AM MDT Fri Jul 23 2021

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

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

* Until 245 PM MDT.

* At 1144 AM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2 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...
  mainly rural areas of Northeastern Otero County

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.

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 3269 10535 3268 10540 3271 10543 3276 10544
      3278 10541 3276 10535 3272 10535 3271 10535

FLASH FLOOD...RADAR INDICATED

$$

AB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 10:09 PM MDTAreal Flood AdvisoryEPZHidalgo2 hr
Jul 22, 10:47 PM MDTSpecial Weather StatementEPZHidalgo28 min
Jul 23, 9:10 AM MDTSpecial Weather StatementEPZ35 min
Jul 23, 11:38 AM MDTAreal Flood AdvisoryEPZOtero6 min
Jul 23, 12:26 PM MDTAreal Flood AdvisoryEPZOtero3 hr
Jul 23, 1:02 PM MDTAreal Flood AdvisoryEPZOtero3 hr
Jul 23, 1:52 PM MDTAreal Flood AdvisoryEPZOtero3 hr
Jul 23, 2:40 PM MDTSpecial Weather StatementEPZLuna35 min
Jul 23, 2:44 PM MDTSpecial Weather StatementEPZ31 min
Jul 23, 2:52 PM MDTAreal Flood AdvisoryEPZGrant3 hr
Jul 23, 3:04 PM MDTAreal Flood AdvisoryEPZLuna3 hr
Jul 23, 3:08 PM MDTSevere Thunderstorm WarningEPZGrant, Luna, Sierra35 min
Jul 23, 3:26 PM MDTSevere Thunderstorm WarningEPZDoña Ana31 min
Jul 23, 4:02 PM MDTAreal Flood AdvisoryEPZGrant, Luna3 hr
Jul 23, 4:07 PM MDTAreal Flood AdvisoryEPZDoña Ana18 min
Jul 23, 4:22 PM MDTSpecial Weather StatementEPZDoña Ana23 min
Jul 23, 4:25 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Jul 23, 4:42 PM MDTAreal Flood AdvisoryEPZDoña Ana3 hr
Jul 23, 4:58 PM MDTSpecial Weather StatementEPZSierra32 min
Jul 23, 5:12 PM MDTAreal Flood AdvisoryEPZDoña Ana3 hr
Jul 23, 5:16 PM MDTFlash Flood WarningEPZDoña Ana3 hr
Jul 23, 5:21 PM MDTAreal Flood AdvisoryEPZDoña Ana, Sierra3 hr
Jul 23, 5:25 PM MDTSpecial Weather StatementEPZSierra35 min
Jul 23, 5:33 PM MDTSevere Thunderstorm WarningEPZSierra42 min
Jul 23, 5:35 PM MDTAreal Flood AdvisoryEPZSierra3 hr
Jul 23, 5:56 PM MDTSpecial Weather StatementEPZLuna34 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.