Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 399

April 16, 201624 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Apr 16, 2016, 7:42 PM CDT for 24 counties in Texas. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
Apr 16, 2016, 7:42 PM CDT (00:42 UTC)
Expired
Apr 16, 2016, 9:15 PM CDT
In force
93 min
Issued by
the Storm Prediction Center
All 24 counties

Borden County, TX, Coke County, TX, Concho County, TX, Crockett County, TX, Fisher County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Tom Green County, TX, Upton County, TX

The radar

The San Angelo radar (KSJT), 72 km from the middle of the area, began a volume at 00:42 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, 0.7 hours before the alert went out and 107 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 2016-04-17Temperature 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 2016-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3416 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 7:07 PM CDTSevere Thunderstorm WatchSPCArcher, Baylor, Clay, Foard, Hardeman, Knox and 2 more7 hr
Apr 16, 8:27 PM CDTMesoscale DiscussionSPCArmstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 16 more63 min
Apr 16, 10:43 PM CDTMesoscale DiscussionSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 20 more92 min
Apr 16, 10:48 PM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Foard, Hardeman, Knox and 2 more117 min
Apr 16, 11:51 PM CDTSevere Thunderstorm WatchSPCBrown, Callahan, Coke, Coleman, Comanche, Concho and 27 more7 hr
Apr 17, 1:47 AM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Foard, Hardeman, Knox and 2 more58 min
Apr 17, 2:01 AM CDTMesoscale DiscussionSPCBrown, Callahan, Coleman, Comanche, Concho, Eastland and 17 more59 min
Apr 17, 7:48 AM CDTMesoscale DiscussionSPCBell, Bosque, Burnet, Coryell, Falls, Hamilton and 3 more87 min
Apr 17, 2:47 PM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Blanco, Caldwell, Comal and 8 more88 min
Apr 17, 5:25 PM CDTMesoscale DiscussionSPCBandera, Bexar, Blanco, Frio, Gillespie, Kendall and 1 more2 hr

Nearby

Mesoscale Discussions in Texas, 2016Every mesoscale discussion in 2016

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.