Alert archive / New Mexico / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 21, NWS El Paso, TX

April 12, 2017Otero County, Sierra County, New Mexico

NWS El Paso, TX issued this severe thunderstorm warning at Apr 12, 2017, 4:59 PM MDT for Otero County, Sierra County, New Mexico. It was in force for 46 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: Apr 12, 2017, 4:59 PM MDT (22:59 UTC)
Expired: Apr 12, 2017, 5:45 PM MDT
In force: 46 min
Issued by: NWS El Paso, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Otero County, NM, Sierra County, NM

The radar

The Holloman AFB radar (KHDX), 43 km from the middle of the area, began a volume at 23:01 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 12, 1:04 PM MDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 12:00Z, 11.0 hours before the alert went out and 173 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: 1449 J/kg
Mixed-layer CIN: -76 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 208 m²/s²
Significant tornado parameter: 1.1
Supercell composite: 6.1

Open this sounding in Storm Lab

The text

As transmitted.

312 
WUUS54 KEPZ 122259
SVREPZ
NMC035-051-122345-
/O.NEW.KEPZ.SV.W.0021.170412T2259Z-170412T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service El Paso TX
459 PM MDT WED APR 12 2017

The National Weather Service in El Paso has issued a

* Severe Thunderstorm Warning for...
  Northwestern Otero County in south central New Mexico...
  Northeastern Sierra County in south central New Mexico...

* Until 545 PM MDT

* At 458 PM MDT, a severe thunderstorm was located 19 miles west of
  Three Rivers, moving northeast at 15 mph.

  HAZARD...Quarter size hail. 

  SOURCE...Radar indicated. 

* This severe thunderstorm will remain over mainly rural areas of
  northwestern Otero and northeastern Sierra Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3339 10637 3339 10616 3325 10642 3341 10654
      3348 10642 3348 10638
TIME...MOT...LOC 2258Z 238DEG 22KT 3337 10640 

HAIL...1.00IN
WIND...<50MPH
 
$$

DH

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 5:20 AM MDT	Severe Thunderstorm Warning	EPZ	Otero	25 min
Apr 12, 7:28 AM MDT	Areal Flood Advisory	EPZ	Otero	3 hr
Apr 12, 11:13 AM MDT	Special Weather Statement	EPZ		62 min
Apr 12, 12:04 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	41 min
Apr 12, 12:29 PM MDT	Areal Flood Advisory	EPZ	Otero	2 hr
Apr 12, 12:45 PM MDT	Special Weather Statement	EPZ		45 min
Apr 12, 12:51 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	39 min
Apr 12, 1:12 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	48 min
Apr 12, 1:29 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	46 min
Apr 12, 1:53 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	52 min
Apr 12, 2:00 PM MDT	Special Weather Statement	EPZ	Sierra	45 min
Apr 12, 2:09 PM MDT	Areal Flood Advisory	EPZ	Otero	2 hr
Apr 12, 2:11 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	49 min
Apr 12, 2:12 PM MDT	Severe Thunderstorm Warning	EPZ	Sierra	63 min
Apr 12, 2:16 PM MDT	Severe Thunderstorm Warning	EPZ	Sierra	44 min
Apr 12, 2:58 PM MDT	Special Weather Statement	EPZ	Otero	47 min
Apr 12, 3:03 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	21 min
Apr 12, 3:50 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	40 min
Apr 12, 5:01 PM MDT	Special Weather Statement	EPZ	Otero	44 min
Apr 12, 5:29 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	61 min
Apr 12, 5:55 PM MDT	Severe Thunderstorm Warning	EPZ	Otero	32 min

Nearby

Severe Thunderstorm Warnings in New Mexico, 2017 Every severe thunderstorm warning in 2017

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.