Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 11, NWS El Paso, TX

July 2, 2021Otero County, New Mexico

NWS El Paso, TX issued this flash flood warning at Jul 2, 2021, 11:01 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 2, 2021, 11:01 AM MDT (17:01 UTC)
Expired: Jul 2, 2021, 2:15 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), 62 km from the middle of the area, began a volume at 17:02 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, 5.0 hours before the alert went out and 129 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 984 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1052 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: -19 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

605 
WGUS54 KEPZ 021701
FFWEPZ
NMC035-022015-
/O.NEW.KEPZ.FF.W.0011.210702T1701Z-210702T2015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
1101 AM MDT Fri Jul 2 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 215 PM MDT.

* At 1101 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...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...
  Timberon.

Additional rainfall amounts of 0.5 to 1.5 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.

In hilly terrain there are hundreds 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 3277 10576 3272 10582 3261 10581 3256 10578
      3253 10564 3254 10553 3256 10547 3271 10560
      3279 10571

FLASH FLOOD...RADAR INDICATED

$$

JG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 6:08 PM MDT	Areal Flood Advisory	EPZ	Otero	112 min
Jul 1, 6:12 PM MDT	Areal Flood Advisory	EPZ	Doña Ana	2 hr
Jul 1, 6:37 PM MDT	Special Weather Statement	EPZ		38 min
Jul 1, 6:57 PM MDT	Areal Flood Advisory	EPZ	Doña Ana, Luna	2 hr
Jul 1, 7:07 PM MDT	Areal Flood Advisory	EPZ	Doña Ana, Otero	113 min
Jul 1, 7:21 PM MDT	Special Weather Statement	EPZ	Luna	39 min
Jul 2, 2:33 AM MDT	Flood Watch	EPZ	Grant, Hidalgo, Luna, Otero, Sierra	14 min
Jul 2, 3:01 AM MDT	Flash Flood Watch	EPZ	Grant, Hidalgo, Luna, Otero, Sierra	27 hr
Jul 2, 10:30 AM MDT	Areal Flood Advisory	EPZ	Otero	3 hr
Jul 2, 11:56 AM MDT	Areal Flood Advisory	EPZ	Otero	2 hr
Jul 2, 12:11 PM MDT	Areal Flood Advisory	EPZ	Otero	3 hr
Jul 2, 12:22 PM MDT	Areal Flood Advisory	EPZ	Grant	113 min
Jul 2, 12:36 PM MDT	Areal Flood Advisory	EPZ	Otero	3 hr
Jul 2, 1:32 PM MDT	Areal Flood Advisory	EPZ	Grant	3 hr
Jul 2, 3:20 PM MDT	Areal Flood Advisory	EPZ	Otero	3 hr
Jul 2, 3:56 PM MDT	Areal Flood Advisory	EPZ	Grant, Luna	3 hr
Jul 2, 4:28 PM MDT	Areal Flood Advisory	EPZ	Doña Ana, Sierra	2 hr
Jul 2, 5:03 PM MDT	Areal Flood Advisory	EPZ	Sierra	3 hr
Jul 2, 5:44 PM MDT	Special Weather Statement	EPZ	Luna	46 min
Jul 2, 5:48 PM MDT	Areal Flood Advisory	EPZ	Luna	117 min

Nearby

Flash Flood Warnings in New Mexico, 2021 Every 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.