Alert archive / New Mexico / Flash Flood Warnings in 2021

Flash Flood Warning 94, NWS El Paso, TX

September 5, 2021Grant County, New Mexico

NWS El Paso, TX issued this flash flood warning at Sep 5, 2021, 2:59 PM MDT for Grant County, New Mexico. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Sep 5, 2021, 2:59 PM MDT (20:59 UTC)
Expired
Sep 5, 2021, 6:00 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), 207 km from the middle of the area, began a volume at 21:00 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.

What was reported inside it

TimeReportWhereRemark
Sep 5, 4:04 PM MDTFLASH FLOOD4 S Gila, NMREPORT VIA TWITTER SHOWED FLASH FLOODING ON BILL EVANS RO SOUTH OF GILA, NM.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 12:00Z, 9.0 hours before the alert went out and 207 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.

108 
WGUS54 KEPZ 052059
FFWEPZ
NMC017-060000-
/O.NEW.KEPZ.FF.W.0094.210905T2059Z-210906T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service El Paso Tx/Santa Teresa NM
259 PM MDT Sun Sep 5 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 600 PM MDT.

* At 259 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 1.5 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 and low-lying areas.

* Some locations that will experience flash flooding include...
  Riverside, Bill Evans Lake, low water crossings across Bill Evans 
  Road.

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 3293 10856 3292 10853 3288 10848 3287 10850
      3284 10852 3282 10856 3284 10859 3286 10860
      3291 10860 3293 10858

FLASH FLOOD...RADAR INDICATED

$$

JD
1 follow-up statement
525 
WGUS74 KEPZ 052210
FFSEPZ

Flash Flood Statement
National Weather Service El Paso Tx/Santa Teresa NM
410 PM MDT Sun Sep 5 2021

NMC017-060000-
/O.CON.KEPZ.FF.W.0094.000000T0000Z-210906T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Grant NM-
410 PM MDT Sun Sep 5 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING 
FOR NORTH CENTRAL GRANT COUNTY...

At 410 PM MDT, the public reported thunderstorms producing heavy 
rain across the warned area with ongoing flash flooding on Bill 
Evans Road. Between 1 and 2 inches of rain have fallen.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Public reported.

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...
  Riverside, Bill Evans Lake.

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 3293 10856 3292 10853 3288 10848 3287 10850
      3284 10852 3282 10856 3284 10859 3286 10860
      3291 10860 3293 10858

FLASH FLOOD...OBSERVED

$$

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, 1:36 PM MDTFlash Flood WarningEPZOtero3 hr
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, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.