Alert archive / New Mexico / Mesoscale Discussions in 2018

Mesoscale Discussion 487

May 21, 20187 counties in New Mexico; El Paso County, Hudspeth County, Texas

The Storm Prediction Center issued this mesoscale discussion at May 21, 2018, 8:11 PM MDT for 7 counties in New Mexico; El Paso County, Hudspeth County, Texas. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued
May 21, 2018, 8:11 PM MDT (02:11 UTC)
Expired
May 21, 2018, 9:15 PM MDT
In force
64 min
Issued by
the Storm Prediction Center

Counties Chaves County, NM, De Baca County, NM, Guadalupe County, NM, Lincoln County, NM, Otero County, NM, San Miguel County, NM, Torrance County, NM, El Paso County, TX, Hudspeth County, TX

The radar

The Holloman AFB radar (KHDX), 79 km from the middle of the area, began a volume at 02:11 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

Albuquerq/Krtlnd, NM (KABQ), launched 00:00Z, 2.2 hours before the alert went out and 232 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, Albuquerq/Krtlnd, NM at 00:00Z on 2018-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albuquerq/Krtlnd, NM at 00:00Z on 2018-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 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
2 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
2366 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
312 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 1:56 PM MDTMesoscale DiscussionSPCChaves, Curry, De Baca, Eddy, Guadalupe, Lea and 4 more3 hr

Nearby

Mesoscale Discussions in New Mexico, 2018Mesoscale Discussions in Texas, 2018Every mesoscale discussion in 2018

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.