Alert archive / Texas / Mesoscale Discussions in 2007

Mesoscale Discussion 653

May 2, 20077 counties in New Mexico; 28 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at May 2, 2007, 5:05 PM MDT for 7 counties in New Mexico; 28 counties in Texas. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
May 2, 2007, 5:05 PM MDT (23:05 UTC)
Expired
May 2, 2007, 6:30 PM MDT
In force
85 min
Issued by
the Storm Prediction Center
All 35 counties

Chaves County, NM, De Baca County, NM, Eddy County, NM, Lea County, NM, Lincoln County, NM, Otero County, NM, Roosevelt County, NM, Andrews County, TX, Brewster County, TX, Cochran County, TX, Coke County, TX, Crane County, TX, Culberson County, TX, Dawson County, TX, Ector County, TX, El Paso County, TX, Gaines County, TX, Glasscock County, TX, Howard County, TX, Hudspeth County, TX, Jeff Davis County, TX, Loving County, TX, Martin County, TX, Midland County, TX, Pecos County, TX, Presidio County, TX, Reagan County, TX, Reeves County, TX, Sterling County, TX, Terrell County, TX, Terry County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Midland/Odessa radar (KMAF), 185 km from the middle of the area, began a volume at 23:05 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.1 hours before the alert went out and 184 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, Midland Regional, TX at 12:00Z on 2007-05-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 948 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, Midland Regional, TX at 12:00Z on 2007-05-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
948 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
909 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
162 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.

IssuedProductOfficeCountiesLasted
May 2, 2:48 AM MDTMesoscale DiscussionSPCChaves, De Baca, Eddy, Lea3 hr
May 2, 6:19 AM MDTMesoscale DiscussionSPCEddy, Lea2 hr
May 2, 7:02 AM MDTSevere Thunderstorm WatchSPCLea6 hr
May 2, 11:07 AM MDTMesoscale DiscussionSPCCatron, Chaves, Doña Ana, Eddy, Lincoln, Luna and 5 more113 min
May 2, 12:53 PM MDTSevere Thunderstorm WatchSPCChaves, De Baca, Eddy, Lea, Lincoln, Otero and 1 more7 hr
May 1, 6:08 PM MDTMesoscale DiscussionSPCAustin, Bandera, Bastrop, Bexar, Blanco, Brazos and 29 more97 min
May 2, 6:40 AM MDTMesoscale DiscussionSPCCrane, Crockett, Ector, Loving, Midland, Pecos and 7 more2 hr
May 2, 9:11 AM MDTMesoscale DiscussionSPCBrewster, Crane, Crockett, Glasscock, Howard, Irion and 7 more94 min
May 2, 11:39 AM MDTMesoscale DiscussionSPCBandera, Brown, Callahan, Coke, Coleman, Comanche and 29 more66 min
May 2, 11:50 AM MDTTornado WatchSPCBandera, Brown, Burnet, Callahan, Coke, Coleman and 31 more6 hr
May 2, 1:38 PM MDTMesoscale DiscussionSPCBosque, Coryell, Dallas, Denton, Ellis, Erath and 16 more2 hr
May 2, 2:08 PM MDTMesoscale DiscussionSPCDimmit, Frio, Kinney, Maverick, Uvalde, Val Verde and 1 more97 min
May 2, 2:43 PM MDTTornado WatchSPCAnderson, Bell, Bosque, Collin, Comanche, Cooke and 33 more6 hr
May 2, 4:08 PM MDTMesoscale DiscussionSPCAtascosa, Bandera, Bastrop, Bexar, Blanco, Burleson and 20 more67 min
May 2, 4:53 PM MDTTornado WatchSPCAtascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 27 more7 hr
May 2, 5:52 PM MDTTornado WatchSPCBrewster, Crockett, Jeff Davis, Pecos, Presidio, Terrell3 hr
May 2, 5:54 PM MDTMesoscale DiscussionSPCAnderson, Bell, Bosque, Brazos, Burnet, Camp and 54 more81 min

Nearby

Mesoscale Discussions in Texas, 2007Mesoscale Discussions in New Mexico, 2007Every mesoscale discussion in 2007

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.