Alert archive / New Mexico / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS El Paso, TX

May 11, 2012Doña Ana County, Otero County, Sierra County, New Mexico

NWS El Paso, TX issued this severe thunderstorm warning at May 11, 2012, 3:55 PM MDT for Doña Ana County, Otero County, Sierra County, New Mexico. It was in force for 50 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
May 11, 2012, 3:55 PM MDT (21:55 UTC)
Expired
May 11, 2012, 4:45 PM MDT
In force
50 min
Issued by
NWS El Paso, TX
Area
Storm-based polygon

Counties Doña Ana County, NM, Otero County, NM, Sierra County, NM

The radar

The Holloman AFB radar (KHDX), 46 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 133 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 2012-05-11Temperature 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 2012-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 218 square meters per square second.193958Sfc1 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
1377 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
218 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

497 
WUUS54 KEPZ 112155
SVREPZ
NMC013-035-051-112245-
/O.NEW.KEPZ.SV.W.0021.120511T2155Z-120511T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EL PASO TX
355 PM MDT FRI MAY 11 2012

THE NATIONAL WEATHER SERVICE IN EL PASO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN DONA ANA COUNTY IN SOUTH CENTRAL NEW MEXICO...
  NORTHWESTERN OTERO COUNTY IN SOUTH CENTRAL NEW MEXICO...
  EASTERN SIERRA COUNTY IN SOUTH CENTRAL NEW MEXICO...

* UNTIL 445 PM MDT

* AT 345 PM MDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 33
  MILES EAST OF TRUTH OR CONSEQUENCES...MOVING SOUTHEAST AT 5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CUTTER...
  NORTHRUP LANDING...
  UPHAM...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS OF AT LEAST 58 MPH...
HAIL ONE INCH IN DIAMETER OR LARGER...ALONG WITH POTENTIALLY DEADLY 
LIGHTNING. TAKE SHELTER INSIDE A STURDY BUILDING NOW. THIS 
THUNDERSTORM IS EXPECTED TO STAY IN UNPOPULATED RURAL AREAS.

&&

LAT...LON 3323 10627 3259 10644 3290 10725 3337 10686
TIME...MOT...LOC 2154Z 296DEG 4KT 3313 10667

$$

NOVLAN
1 follow-up statement
680 
WWUS54 KEPZ 112238
SVSEPZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EL PASO TX
438 PM MDT FRI MAY 11 2012

NMC013-035-051-112246-
/O.EXP.KEPZ.SV.W.0021.000000T0000Z-120511T2245Z/
OTERO NM-SIERRA NM-DONA ANA NM-
438 PM MDT FRI MAY 11 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DONA ANA...
EASTERN SIERRA AND NORTHWESTERN OTERO COUNTIES WILL EXPIRE AT 445 PM
MDT...

THE STORM WHICH PROMPTED THE WARNING HAS DROPPED DOWN BELOW WARNING 
THRESHOLDS.

LAT...LON 3323 10627 3259 10644 3290 10725 3337 10686
TIME...MOT...LOC 2236Z 296DEG 4KT 3311 10662

$$

NOVLAN

The office that day

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

IssuedProductOfficeCountiesLasted
May 11, 5:22 PM MDTSevere Thunderstorm WarningEPZOtero38 min
May 11, 5:57 PM MDTSevere Thunderstorm WarningEPZDoña Ana, Otero48 min

Nearby

Severe Thunderstorm Warnings in New Mexico, 2012Every severe thunderstorm warning in 2012

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.