Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 93, NWS El Paso, TX

September 5, 2021Otero County, New Mexico

NWS El Paso, TX issued this flash flood warning at Sep 5, 2021, 1:36 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
Sep 5, 2021, 1:36 PM MDT (19:36 UTC)
Expired
Sep 5, 2021, 4:45 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), 46 km from the middle of the area, began a volume at 19:37 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, 7.6 hours before the alert went out and 142 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 2021-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 614 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 2021-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
614 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
1691 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
47 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

290 
WGUS54 KEPZ 051936
FFWEPZ
NMC035-052245-
/O.NEW.KEPZ.FF.W.0093.210905T1936Z-210905T2245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
136 PM MDT Sun Sep 5 2021

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

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

* Until 445 PM MDT.

* At 136 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts up to 1 inch 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, low-lying areas, and hikers
           campers.

* Some locations that will experience flash flooding include...
  Cox Canyon, Bluff Springs National Recreation Area, and Upper Rio 
  Penasco Rd.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Be aware of your surroundings and do not drive on flooded roads.

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 3288 10574 3290 10568 3285 10560 3276 10573
      3279 10579

FLASH FLOOD...RADAR INDICATED

$$

JD

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 4, 6:13 PM MDTAreal Flood AdvisoryEPZDoña Ana2 hr
Sep 5, 7:18 AM MDTFlash Flood WatchEPZOtero14 hr
Sep 5, 11:52 AM MDTAreal Flood AdvisoryEPZDoña Ana3 hr
Sep 5, 12:27 PM MDTAreal Flood AdvisoryEPZGrant3 hr
Sep 5, 12:31 PM MDTSpecial Weather StatementEPZSierra29 min
Sep 5, 12:59 PM MDTAreal Flood AdvisoryEPZOtero2 hr
Sep 5, 1:13 PM MDTAreal Flood AdvisoryEPZGrant3 hr
Sep 5, 1:26 PM MDTSpecial Weather StatementEPZ34 min
Sep 5, 1:40 PM MDTAreal Flood AdvisoryEPZGrant3 hr
Sep 5, 1:51 PM MDTAreal Flood AdvisoryEPZGrant3 hr
Sep 5, 1:57 PM MDTAreal Flood AdvisoryEPZOtero3 hr
Sep 5, 1:59 PM MDTSpecial Weather StatementEPZGrant31 min
Sep 5, 2:04 PM MDTSevere Thunderstorm WarningEPZGrant26 min
Sep 5, 2:14 PM MDTAreal Flood AdvisoryEPZGrant, Sierra3 hr
Sep 5, 2:25 PM MDTAreal Flood AdvisoryEPZGrant3 hr
Sep 5, 2:38 PM MDTAreal Flood AdvisoryEPZSierra3 hr
Sep 5, 2:48 PM MDTAreal Flood AdvisoryEPZOtero3 hr
Sep 5, 2:59 PM MDTFlash Flood WarningEPZGrant3 hr
Sep 5, 3:01 PM MDTSpecial Weather StatementEPZSierra14 min
Sep 5, 3:05 PM MDTAreal Flood AdvisoryEPZGrant115 min
Sep 5, 3:20 PM MDTAreal Flood AdvisoryEPZGrant, Sierra3 hr
Sep 5, 3:39 PM MDTSpecial Weather StatementEPZSierra36 min
Sep 5, 4:03 PM MDTAreal Flood AdvisoryEPZSierra117 min
Sep 5, 4:19 PM MDTAreal Flood AdvisoryEPZSierra3 hr
Sep 5, 4:36 PM MDTAreal Flood AdvisoryEPZGrant, Luna3 hr
Sep 5, 4:42 PM MDTSevere Thunderstorm WarningEPZSierra33 min
Sep 5, 4:47 PM MDTFlash Flood WarningEPZGrant, Luna3 hr
Sep 5, 5:02 PM MDTAreal Flood AdvisoryEPZGrant118 min
Sep 5, 5:05 PM MDTSpecial Weather StatementEPZ25 min
Sep 5, 5:20 PM MDTAreal Flood AdvisoryEPZSierra3 hr
Sep 5, 5:25 PM MDTAreal Flood AdvisoryEPZGrant2 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.