Alert archive / Texas / Mesoscale Discussions in 2016

Mesoscale Discussion 688

May 22, 2016Irion County, Reagan County, Texas

The Storm Prediction Center issued this mesoscale discussion at May 22, 2016, 9:35 PM CDT for Irion County, Reagan County, Texas. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
May 22, 2016, 9:35 PM CDT (02:35 UTC)
Expired
May 22, 2016, 11:00 PM CDT
In force
85 min
Issued by
the Storm Prediction Center

Counties Irion County, TX, Reagan County, TX

The radar

The San Angelo radar (KSJT), 75 km from the middle of the area, began a volume at 02:38 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, 2.6 hours before the alert went out and 102 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 2016-05-23Temperature 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 2016-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
3677 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
7 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
May 22, 7:02 PM CDTMesoscale DiscussionSPCArmstrong, Borden, Briscoe, Carson, Childress, Collingsworth and 22 more118 min
May 22, 7:46 PM CDTMesoscale DiscussionSPCArcher, Baylor, Hardeman, Wichita, Wilbarger89 min
May 22, 8:48 PM CDTSevere Thunderstorm WatchSPCArcher, Baylor, Clay, Foard, Hardeman, Knox and 2 more5 hr
May 22, 9:10 PM CDTMesoscale DiscussionSPCChildress, Collingsworth, Cottle, Dickens, Donley, Gray and 10 more65 min
May 23, 1:36 AM CDTMesoscale DiscussionSPCArcher, Clay, Cooke, Denton, Grayson, Montague and 2 more84 min
May 23, 2:15 AM CDTSevere Thunderstorm WatchSPCArcher, Clay, Cooke, Grayson, Montague, Wichita and 1 more5 hr
May 23, 4:58 AM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Cooke, Fannin, Grayson and 3 more62 min
May 23, 1:32 PM CDTMesoscale DiscussionSPCBorden, Coke, Crockett, Crosby, Dawson, Garza and 15 more118 min
May 23, 2:18 PM CDTMesoscale DiscussionSPCChildress, Collingsworth, Cottle, Donley, Hall, Hemphill and 2 more117 min
May 23, 2:32 PM CDTTornado WatchSPCBorden, Brewster, Briscoe, Childress, Coke, Cottle and 37 more7 hr
May 23, 3:37 PM CDTTornado WatchSPCCollingsworth, Donley, Foard, Gray, Hardeman, Hemphill and 6 more8 hr
May 23, 5:29 PM CDTMesoscale DiscussionSPCBorden, Briscoe, Coke, Cottle, Crockett, Crosby and 30 more91 min
May 23, 6:08 PM CDTMesoscale DiscussionSPCCollingsworth, Donley, Foard, Hardeman, Hemphill, Knox and 3 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.