Alert archive / New Mexico / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 53, NWS El Paso, TX

July 31, 2010Doña Ana County, Otero County, New Mexico

NWS El Paso, TX issued this severe thunderstorm warning at Jul 31, 2010, 2:05 PM MDT for Doña Ana County, Otero 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 counties it named.

The facts

Issued
Jul 31, 2010, 2:05 PM MDT (20:05 UTC)
Expired
Jul 31, 2010, 2:30 PM MDT
In force
25 min
Issued by
NWS El Paso, TX
Area
Storm-based polygon

Counties Doña Ana County, NM, Otero County, NM

The radar

The Holloman AFB radar (KHDX), 68 km from the middle of the area, began a volume at 20:04 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, 8.1 hours before the alert went out and 78 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 2010-07-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 838 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 2010-07-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
838 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
863 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
28 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 31, 3:17 AM MDT, 10 hours 48 minutes earlier.

Area forecast discussion, Jul 31, 3:17 AM MDT, 10 hours 48 minutes before
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Hazardous weather outlook, Jul 31, 11:19 AM MDT, 2 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE EL PASO TX/SANTA TERESA NM
1119 AM MDT SAT JUL 31 2010

NMZ022>025-030>032-TXZ055-056-011730-
SOUTHWEST MOUNTAINS/LOWER GILA REGION-SIERRA COUNTY LAKES REGION-
TULAROSA BASIN/SOUTHERN DESERT-SOUTHERN SACRAMENTO MOUNTAINS-
SOUTHWEST DESERT/BOOTHEEL-SOUTHWEST DESERT/MIMBRES BASIN-
SOUTHERN DESERT-EL PASO-HUDSPETH-
1119 AM MDT SAT JUL 31 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
NEW MEXICO...SOUTHWEST NEW MEXICO AND SOUTHWEST TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A FLASH FLOOD WATCH IS IN EFFECT FOR ALL ZONES THROUGH MIDNIGHT.
SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP
THROUGH TONIGHT...WITH HEAVY RAINFALL AND EXCESSIVE RUNOFF
POSSIBLE. SOME STORMS MAY PRODUCE OVER 2 INCHES OF RAINFALL IN
LESS THAN HOUR...SETTING UP A FLASH FLOOD POTENTIAL IN FLOOD
PRONE AREAS. STRONGER STORMS WILL ALSO BE CAPABLE PRODUCING SMALL
HAIL AND WIND GUSTS TO 50 MPH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED MAINLY WEST OF
THE RIO GRANDE WITH ISOLATED THUNDERSTORMS EAST OF THE RIVER FOR
SUNDAY AFTERNOON AND EVENING. LOCALLY HEAVY RAINFALL IS POSSIBLE
FROM FROM STRONGER STORMS...ESPECIALLY WEST OF THE RIVER. A DRIER
AIR MASS AND INCREASED STABILITY WILL RESULT IN STORMS THAT WILL
BE MORE ISOLATED AND INFREQUENT FOR MUCH OF NEXT WEEK...WITH A
LOWER FLOODING THREAT ANTICIPATED. LOCALLY HEAVY RAINFALL WILL
STILL BE POSSIBLE WITH INDIVIDUAL SLOW MOVING STORMS THAT MAY
DEVELOP THROUGH THE REMAINDER OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS SHOULD REPORT ANY REPORT ANY OBSERVED HAZARDOUS WEATHER
OR FLOODING TO LOCAL LAW ENFORCEMENT AND THIS OFFICE.

LUNDEEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 1:08 PM MDTAreal Flood AdvisoryEPZGrant, Sierra3 hr
Jul 31, 2:34 PM MDTAreal Flood AdvisoryEPZDoña Ana, Luna, Otero, Sierra3 hr
Jul 31, 3:13 PM MDTFlash Flood WarningEPZDoña Ana62 min
Jul 31, 3:34 PM MDTAreal Flood AdvisoryEPZLuna3 hr
Jul 31, 4:34 PM MDTFlash Flood WarningEPZDoña Ana, Otero56 min
Jul 31, 4:41 PM MDTFlash Flood WarningEPZDoña Ana, Luna109 min
Jul 31, 3:40 PM MDTAreal Flood AdvisoryEPZEl Paso, Hudspeth3 hr

Nearby

Severe Thunderstorm Warnings in New Mexico, 2010Every severe thunderstorm warning in 2010

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.