Alert archive / New Mexico / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 68, NWS El Paso, TX

August 4, 2021Grant County, New Mexico

NWS El Paso, TX issued this severe thunderstorm warning at Aug 4, 2021, 3:53 PM MDT for Grant County, New Mexico. It was in force for 25 min. 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 4, 2021, 3:53 PM MDT (21:53 UTC)
Expired
Aug 4, 2021, 4:18 PM MDT
In force
25 min
Issued by
NWS El Paso, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

County Grant County, NM

The radar

The El Paso radar (KEPZ), 145 km from the middle of the area, began a volume at 21:54 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, 9.9 hours before the alert went out and 145 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 2021-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2021-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1846 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
131 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

022 
WUUS54 KEPZ 042153
SVREPZ
NMC017-042245-
/O.NEW.KEPZ.SV.W.0068.210804T2153Z-210804T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service El Paso TX
353 PM MDT Wed Aug 4 2021

The National Weather Service in El Paso has issued a

* Severe Thunderstorm Warning for...
  East central Grant County in southwestern New Mexico...

* Until 445 PM MDT.

* At 353 PM MDT, a severe thunderstorm was located over San Juan,
  moving southwest at 15 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Faywood, San Lorenzo, Sherman, San Juan and City Of Rocks State
  Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3280 10776 3260 10778 3260 10792 3259 10793
      3267 10811 3285 10793
TIME...MOT...LOC 2153Z 022DEG 15KT 3276 10790 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

BROWN
1 follow-up statement
262 
WWUS54 KEPZ 042218
SVSEPZ

Severe Weather Statement
National Weather Service El Paso TX
418 PM MDT Wed Aug 4 2021

NMC017-042228-
/O.CAN.KEPZ.SV.W.0068.000000T0000Z-210804T2245Z/
Grant NM-
418 PM MDT Wed Aug 4 2021

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GRANT COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

LAT...LON 3280 10776 3260 10778 3260 10792 3259 10793
      3267 10811 3285 10793
TIME...MOT...LOC 2214Z 022DEG 15KT 3266 10795 

$$

BROWN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 6:35 PM MDTAreal Flood AdvisoryEPZGrant115 min
Aug 4, 3:46 PM MDTAreal Flood AdvisoryEPZGrant, Hidalgo3 hr
Aug 4, 4:37 PM MDTAreal Flood AdvisoryEPZOtero53 min

Nearby

Severe Thunderstorm Warnings in New Mexico, 2021Every severe thunderstorm 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.