Alert archive / Texas / Mesoscale Discussions in 2010

Mesoscale Discussion 69

January 27, 201011 counties in New Mexico; 10 counties in Oklahoma; 30 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jan 27, 2010, 11:22 PM MST for 11 counties in New Mexico; 10 counties in Oklahoma; 30 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jan 27, 2010, 11:22 PM MST (06:22 UTC)
Expired
Jan 28, 2010, 5:15 AM MST
In force
6 hr
Issued by
the Storm Prediction Center
All 51 counties

Curry County, NM, De Baca County, NM, Guadalupe County, NM, Harding County, NM, Lincoln County, NM, Mora County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Torrance County, NM, Union County, NM, Beckham County, OK, Caddo County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Kiowa County, OK, Roger Mills County, OK, Washita County, OK, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Childress County, TX, Collingsworth County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Floyd County, TX, Gray County, TX, Hale County, TX, Hall County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lamb County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Swisher County, TX, Wheeler County, TX

The radar

The Cannon AFB radar (KFDX), 83 km from the middle of the area, began a volume at 06:24 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

Midland Regional, TX (KMAF), launched 00:00Z, 6.4 hours before the alert went out and 342 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 00:00Z on 2010-01-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2010-01-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
945 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
51 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
Jan 28, 6:01 AM MSTMesoscale DiscussionSPCCurry, De Baca, Guadalupe, Harding, Mora, Quay and 2 more5 hr
Jan 28, 9:48 AM MSTMesoscale DiscussionSPCBeaver, Cimarron, Ellis, Harper, Texas, Woods and 1 more5 hr
Jan 28, 11:18 AM MSTMesoscale DiscussionSPCAdair, Canadian, Carter, Cherokee, Cleveland, Coal and 36 more4 hr
Jan 28, 4:05 AM MSTMesoscale DiscussionSPCAndrews, Borden, Brewster, Coke, Crane, Crockett and 25 more2 hr
Jan 28, 8:52 AM MSTMesoscale DiscussionSPCConcho, Edwards, Gillespie, Kerr, Kimble, Llano and 9 more83 min
Jan 28, 12:47 PM MSTMesoscale DiscussionSPCEdwards, Kimble, Kinney, Maverick, Menard, Real and 4 more118 min
Jan 28, 1:36 PM MSTMesoscale DiscussionSPCBosque, Collin, Coryell, Dallas, Delta, Denton and 19 more84 min
Jan 28, 1:39 PM MSTSevere Thunderstorm WatchSPCBosque, Coryell, Dallas, Ellis, Hamilton, Hill and 11 more4 hr
Jan 28, 2:15 PM MSTTornado WatchSPCBandera, Blanco, Burnet, Concho, Edwards, Gillespie and 14 more7 hr
Jan 28, 4:06 PM MSTMesoscale DiscussionSPCCoryell, Ellis, Falls, Hamilton, Hill, Kaufman and 6 more114 min

Nearby

Mesoscale Discussions in Texas, 2010Mesoscale Discussions in New Mexico, 2010Mesoscale Discussions in Oklahoma, 2010Every mesoscale discussion 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.