Alert archive / Texas / Mesoscale Discussions in 2005

Mesoscale Discussion 884

May 15, 200510 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 15, 2005, 12:24 PM CDT for 10 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 15, 2005, 12:24 PM CDT (17:24 UTC)
Expired: May 15, 2005, 2:30 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Bandera County, TX, Edwards County, TX, Frio County, TX, Kinney County, TX, Maverick County, TX, Medina County, TX, Real County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 55 km from the middle of the area, began a volume at 17:28 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

Del Rio, TX (KDRT), launched 12:00Z, 5.4 hours before the alert went out and 22 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: 930 J/kg
Mixed-layer CIN: -120 J/kg
Mixed-layer LCL: 1043 m above ground
0-6 km bulk shear: 7 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: -8 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.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 14, 7:24 PM CDT	Mesoscale Discussion	SPC	Andrews, Brewster, Crane, Crockett, Culberson, Ector and 15 more	96 min
May 15, 3:52 PM CDT	Mesoscale Discussion	SPC	El Paso	83 min
May 15, 4:35 PM CDT	Severe Thunderstorm Watch	SPC	Culberson, El Paso, Hudspeth	6 hr

Nearby

Mesoscale Discussions in Texas, 2005 Every mesoscale discussion in 2005

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.