Alert archive / Texas / Mesoscale Discussions in 2012

Mesoscale Discussion 1143

June 12, 20126 counties in New Mexico; 13 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 12, 2012, 2:00 PM MDT for 6 counties in New Mexico; 13 counties in Texas. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued
Jun 12, 2012, 2:00 PM MDT (20:00 UTC)
Expired
Jun 12, 2012, 3:00 PM MDT
In force
60 min
Issued by
the Storm Prediction Center
Chance of a watch
60%

Counties Chaves County, NM, De Baca County, NM, Eddy County, NM, Lea County, NM, Lincoln County, NM, Roosevelt County, NM, Andrews County, TX, Bailey County, TX, Cochran County, TX, Crane County, TX, Ector County, TX, Gaines County, TX, Loving County, TX, Pecos County, TX, Reeves County, TX, Terrell County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Midland/Odessa radar (KMAF), 140 km from the middle of the area, began a volume at 20:01 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, 8.0 hours before the alert went out and 139 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 2012-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1098 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 2012-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 104 square meters per square second.19395878Sfc1 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
1098 J/kg
Mixed-layer CIN
-375 J/kg
Mixed-layer LCL
1789 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
104 m²/s²
0-3 km storm-relative helicity
129 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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
Jun 12, 3:08 AM MDTMesoscale DiscussionSPCCurry, Quay2 hr
Jun 12, 1:02 PM MDTMesoscale DiscussionSPCColfax, Curry, Harding, Mora, Quay, San Miguel and 1 more88 min
Jun 12, 1:16 PM MDTSevere Thunderstorm WatchSPCColfax, Guadalupe, Harding, Mora, Quay, San Miguel and 1 more8 hr
Jun 12, 2:44 PM MDTSevere Thunderstorm WatchSPCChaves, Curry, De Baca, Eddy, Lea, Lincoln and 1 more8 hr
Jun 12, 4:42 PM MDTMesoscale DiscussionSPCColfax, Harding, Mora, Quay, San Miguel, Union63 min
Jun 11, 6:11 PM MDTMesoscale DiscussionSPCBrown, Callahan, Clay, Coke, Coleman, Collin and 29 more94 min
Jun 11, 8:54 PM MDTMesoscale DiscussionSPCArcher, Baylor, Brown, Callahan, Clay, Coke and 31 more66 min
Jun 11, 10:29 PM MDTMesoscale DiscussionSPCGrayson61 min
Jun 11, 10:52 PM MDTSevere Thunderstorm WatchSPCBowie, Camp, Cass, Collin, Delta, Fannin and 14 more6 hr
Jun 12, 1:54 AM MDTMesoscale DiscussionSPCBowie, Camp, Cass, Gregg, Harrison, Marion and 3 more96 min
Jun 12, 2:21 AM MDTSevere Thunderstorm WatchSPCBowie, Cass, Gregg, Harrison, Marion, Morris and 8 more8 hr
Jun 12, 5:08 AM MDTMesoscale DiscussionSPCNacogdoches, Panola, Shelby2 hr
Jun 12, 6:11 AM MDTSevere Thunderstorm WatchSPCHardin, Jasper, Jefferson, Newton, Orange, Tyler8 hr
Jun 12, 8:23 AM MDTMesoscale DiscussionSPCNacogdoches, Sabine, San Augustine, Shelby67 min
Jun 12, 9:32 AM MDTMesoscale DiscussionSPCArcher, Clay, Collin, Cooke, Dallas, Denton and 19 more88 min
Jun 12, 10:00 AM MDTSevere Thunderstorm WatchSPCAnderson, Bell, Bosque, Brown, Callahan, Collin and 36 more6 hr
Jun 12, 11:12 AM MDTMesoscale DiscussionSPCChambers, Hardin, Jasper, Jefferson, Newton, Orange and 1 more63 min
Jun 12, 1:45 PM MDTMesoscale DiscussionSPCCoke, Coleman, Concho, Glasscock, Midland, Mitchell and 4 more60 min
Jun 12, 2:28 PM MDTMesoscale DiscussionSPCAnderson, Bell, Bosque, Brazos, Brown, Burleson and 37 more62 min
Jun 12, 2:56 PM MDTSevere Thunderstorm WatchSPCAnderson, Austin, Bell, Brazoria, Brazos, Burleson and 24 more4 hr

Nearby

Mesoscale Discussions in Texas, 2012Mesoscale Discussions in New Mexico, 2012Every mesoscale discussion in 2012

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.