Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 72, NWS El Paso, TX

August 23, 2021Grant County, New Mexico

NWS El Paso, TX issued this flash flood warning at Aug 23, 2021, 12:30 PM MDT for Grant 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 23, 2021, 12:30 PM MDT (18:30 UTC)
Expired: Aug 23, 2021, 3:15 PM MDT
In force: 3 hr
Issued by: NWS El Paso, TX
Area: Storm-based polygon
Flood severity: None

County Grant County, NM

The radar

The El Paso radar (KEPZ), 181 km from the middle of the area, began a volume at 18:29 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, 6.5 hours before the alert went out and 181 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: 657 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 1970 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

584 
WGUS54 KEPZ 231830
FFWEPZ
NMC017-232115-
/O.NEW.KEPZ.FF.W.0072.210823T1830Z-210823T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
1230 PM MDT Mon Aug 23 2021

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

* Flash Flood Warning for...
  North Central Grant County in southwestern New Mexico...

* Until 315 PM MDT.

* At 1230 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1.5 and 2 inches of 
  rain have fallen. Additional rainfall amounts up to 0.5 inches are 
  possible in the warned area. 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 like low water
           crossings near the Sapillo Campground in the warned
           area.

* Some locations that will experience flash flooding include...
  Camp Thunderbird and Upper Mimbres Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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.

&&

LAT...LON 3297 10819 3309 10811 3304 10799 3296 10803
      3293 10810

FLASH FLOOD...RADAR INDICATED

$$

HC

1 follow-up statement

125 
WGUS74 KEPZ 232114
FFSEPZ

Flash Flood Statement
National Weather Service El Paso Tx/Santa Teresa NM
314 PM MDT Mon Aug 23 2021

NMC017-232124-
/O.EXP.KEPZ.FF.W.0072.000000T0000Z-210823T2115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grant NM-
314 PM MDT Mon Aug 23 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 315 PM MDT THIS AFTERNOON FOR 
NORTH CENTRAL GRANT COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3297 10819 3309 10811 3304 10799 3296 10803
      3293 10810

$$

HC

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 22, 7:00 PM MDT	Special Weather Statement	EPZ	Grant	30 min
Aug 22, 7:48 PM MDT	Areal Flood Advisory	EPZ	Hidalgo	117 min
Aug 22, 10:16 PM MDT	Areal Flood Advisory	EPZ	Sierra	119 min
Aug 22, 10:46 PM MDT	Areal Flood Advisory	EPZ	Grant	119 min
Aug 23, 12:11 PM MDT	Areal Flood Advisory	EPZ	Grant	19 min
Aug 23, 12:39 PM MDT	Areal Flood Advisory	EPZ	Hidalgo	3 hr
Aug 23, 12:43 PM MDT	Special Weather Statement	EPZ	Hidalgo	32 min
Aug 23, 1:19 PM MDT	Severe Thunderstorm Warning	EPZ	Hidalgo	41 min
Aug 23, 1:27 PM MDT	Special Weather Statement	EPZ	Hidalgo	33 min
Aug 23, 1:40 PM MDT	Areal Flood Advisory	EPZ	Hidalgo	3 hr
Aug 23, 1:55 PM MDT	Flash Flood Warning	EPZ	Hidalgo	3 hr
Aug 23, 2:01 PM MDT	Areal Flood Advisory	EPZ	Grant, Sierra	3 hr
Aug 23, 2:08 PM MDT	Areal Flood Advisory	EPZ	Grant, Hidalgo	3 hr
Aug 23, 2:18 PM MDT	Areal Flood Advisory	EPZ	Otero	117 min
Aug 23, 2:30 PM MDT	Special Weather Statement	EPZ	Hidalgo	30 min
Aug 23, 2:47 PM MDT	Special Weather Statement	EPZ	Hidalgo	28 min
Aug 23, 2:52 PM MDT	Special Weather Statement	EPZ	Grant	23 min
Aug 23, 3:00 PM MDT	Areal Flood Advisory	EPZ	Grant, Hidalgo	3 hr
Aug 23, 3:07 PM MDT	Areal Flood Advisory	EPZ	Grant, Sierra	3 hr
Aug 23, 3:13 PM MDT	Flash Flood Warning	EPZ	Grant, Sierra	3 hr
Aug 23, 3:22 PM MDT	Severe Thunderstorm Warning	EPZ	Grant, Hidalgo	38 min
Aug 23, 3:30 PM MDT	Flash Flood Warning	EPZ	Grant	3 hr
Aug 23, 3:35 PM MDT	Severe Thunderstorm Warning	EPZ	Grant, Luna	25 min
Aug 23, 3:47 PM MDT	Flash Flood Warning	EPZ	Grant, Sierra	2 hr
Aug 23, 3:55 PM MDT	Special Weather Statement	EPZ	Grant	35 min
Aug 23, 4:03 PM MDT	Severe Thunderstorm Warning	EPZ	Grant, Luna	27 min
Aug 23, 4:06 PM MDT	Areal Flood Advisory	EPZ	Sierra	114 min
Aug 23, 4:13 PM MDT	Areal Flood Advisory	EPZ	Doña Ana	16 min
Aug 23, 4:17 PM MDT	Severe Thunderstorm Warning	EPZ	Doña Ana	28 min
Aug 23, 4:23 PM MDT	Special Weather Statement	EPZ	Sierra	37 min
Aug 23, 4:29 PM MDT	Flash Flood Warning	EPZ	Doña Ana	106 min
Aug 23, 4:40 PM MDT	Severe Thunderstorm Warning	EPZ	Sierra	35 min
Aug 23, 4:48 PM MDT	Areal Flood Advisory	EPZ	Sierra	21 min
Aug 23, 4:55 PM MDT	Areal Flood Advisory	EPZ	Sierra	3 hr
Aug 23, 5:09 PM MDT	Flash Flood Warning	EPZ	Sierra	3 hr
Aug 23, 5:24 PM MDT	Flash Flood Warning	EPZ	Otero	111 min
Aug 23, 5:28 PM MDT	Areal Flood Advisory	EPZ	Doña Ana, Otero, Sierra	2 hr
Aug 23, 5:53 PM MDT	Flash Flood Warning	EPZ	Doña Ana	112 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.