Alert archive / Texas / Mesoscale Discussions in 2007

Mesoscale Discussion 330

March 23, 2007Curry County, Lea County, Roosevelt County, New Mexico; 26 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Mar 23, 2007, 5:34 PM MDT for Curry County, Lea County, Roosevelt County, New Mexico; 26 counties in Texas. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
Mar 23, 2007, 5:34 PM MDT (23:34 UTC)
Expired
Mar 23, 2007, 7:30 PM MDT
In force
116 min
Issued by
the Storm Prediction Center
All 29 counties

Curry County, NM, Lea County, NM, Roosevelt County, NM, Andrews County, TX, Bailey County, TX, Brewster County, TX, Castro County, TX, Cochran County, TX, Crane County, TX, Dawson County, TX, Ector County, TX, Gaines County, TX, Hockley County, TX, Jeff Davis County, TX, Lamb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Parmer County, TX, Pecos County, TX, Presidio County, TX, Reeves County, TX, Terry County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX

The radar

The Midland/Odessa radar (KMAF), 113 km from the middle of the area, began a volume at 23:34 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, 11.6 hours before the alert went out and 111 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 2007-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1360 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 2007-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
1360 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
538 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
168 m²/s²
Significant tornado parameter
0.7
Supercell composite
3.9

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
Mar 22, 8:43 PM MDTMesoscale DiscussionSPCEddy, Lea62 min
Mar 23, 3:11 AM MDTMesoscale DiscussionSPCChaves, De Baca, Eddy, Roosevelt94 min
Mar 23, 10:15 AM MDTMesoscale DiscussionSPCColfax, Harding, Mora, Quay, San Miguel, Santa Fe and 2 more90 min
Mar 23, 12:20 PM MDTMesoscale DiscussionSPCChaves, Curry, De Baca, Eddy, Lea, Roosevelt115 min
Mar 23, 12:43 PM MDTMesoscale DiscussionSPCDoña Ana, Grant, Hidalgo, Lincoln, Luna, Otero and 2 more62 min
Mar 23, 1:20 PM MDTSevere Thunderstorm WatchSPCBernalillo, Chaves, De Baca, Doña Ana, Grant, Guadalupe and 10 more8 hr
Mar 23, 2:19 PM MDTTornado WatchSPCCurry, Eddy, Lea, Quay, Roosevelt8 hr
Mar 23, 2:58 PM MDTMesoscale DiscussionSPCHarding, Union62 min
Mar 23, 4:30 PM MDTMesoscale DiscussionSPCDoña Ana, Grant, Hidalgo, Luna, Sierra, Socorro and 2 more60 min
Mar 22, 6:27 PM MDTMesoscale DiscussionSPCChildress, Cottle, Hardeman2 hr
Mar 23, 3:40 PM MDTTornado WatchSPCDallam, Deaf Smith, Hansford, Hartley, Hutchinson, Lipscomb and 6 more7 hr

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.