Alert archive / New Mexico / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 29, NWS El Paso, TX

July 8, 2018Sierra County, New Mexico

NWS El Paso, TX issued this severe thunderstorm warning at Jul 8, 2018, 4:48 PM MDT for Sierra County, New Mexico. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 8, 2018, 4:48 PM MDT (22:48 UTC)
Expired
Jul 8, 2018, 5:30 PM MDT
In force
42 min
Issued by
NWS El Paso, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Sierra County, NM

The radar

The Holloman AFB radar (KHDX), 100 km from the middle of the area, began a volume at 22:48 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, 10.8 hours before the alert went out and 148 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 2018-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 129 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Santa Teresa, NM at 12:00Z on 2018-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -78 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
129 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
1425 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-78 m²/s²
0-3 km storm-relative helicity
-33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS El Paso, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 8, 2:01 PM MDT, 2 hours 47 minutes earlier.

Area forecast discussion, Jul 8, 2:01 PM MDT, 2 hours 47 minutes before
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Hazardous weather outlook, Jul 8, 11:15 AM MDT, 5 hours 33 minutes before
Hazardous Weather Outlook
National Weather Service El Paso Tx/Santa Teresa NM
1115 AM MDT Sun Jul 8 2018

NMZ401>417-TXZ418>424-091730-
Upper Gila River Valley-Southern Gila
Highlands/Black Range-Southern Gila Foothills/Mimbres Valley-
Southwest Desert/Lower Gila River Valley-Lowlands of the Bootheel-
Uplands of the Bootheel-Southwest Desert/Mimbres Basin-Eastern Black
Range Foothills-Sierra County Lakes-Northern Dona Ana County-
Southern Dona Ana County/Mesilla Valley-Central Tularosa Basin-
Southern Tularosa Basin-West Slopes Sacramento Mountains Below 7500
Feet-Sacramento Mountains Above 7500 Feet-East Slopes Sacramento
Mountains Below 7500 Feet-Otero Mesa-Western El Paso County-
Eastern/Central El Paso County-Northern Hudspeth Highlands/Hueco
Mountains-Salt Basin-Southern Hudspeth Highlands-Rio Grande Valley
of Eastern El Paso/Western Hudspeth Counties-Rio Grande Valley of
Eastern Hudspeth County-
1115 AM MDT Sun Jul 8 2018

This Hazardous Weather Outlook is for portions of south central
New Mexico, southwest New Mexico, and southwest Texas.

.DAY ONE...This Afternoon and Tonight

Scattered showers and thunderstorms. A few storms may produce over
an inch of rain in an hour resulting in localized flooding. Several
storms may also produce strong wind gusts to 50 mph.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Isolated to scattered showers and thunderstorms. A few storms may
produce locally heavy rains and flooding. Several storms may also
produce wind gusts to 50 mph.

.SPOTTER INFORMATION STATEMENT...

Spotters may be required mainly to report heavy rains and flooding
in their area.

Rogash

In the hours before

Special weather statement, Jul 8, 4:31 PM MDT, 17 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 7:34 PM MDTAreal Flood AdvisoryEPZLuna3 hr
Jul 8, 11:22 AM MDTAreal Flood AdvisoryEPZOtero53 min
Jul 8, 12:07 PM MDTFlash Flood WarningEPZOtero83 min
Jul 8, 12:20 PM MDTAreal Flood AdvisoryEPZOtero115 min
Jul 8, 2:07 PM MDTAreal Flood AdvisoryEPZOtero113 min
Jul 8, 4:31 PM MDTSpecial Weather StatementEPZSierra44 min

Nearby

Severe Thunderstorm Warnings in New Mexico, 2018Every severe thunderstorm warning 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.