Alert archive / Texas / Mesoscale Discussions in 2015
Mesoscale Discussion 644
The Storm Prediction Center issued this mesoscale discussion at May 14, 2015, 10:18 PM CDT for 37 counties in Texas. It was in force for 57 min.
The area
The outline as issued.
The facts
- Issued
- May 14, 2015, 10:18 PM CDT (03:18 UTC)
- Expired
- May 14, 2015, 11:15 PM CDT
- In force
- 57 min
- Issued by
- the Storm Prediction Center
All 37 counties
Andrews County, TX, Borden County, TX, Cochran County, TX, Coke County, TX, Crane County, TX, Crockett County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Ector County, TX, Fisher County, TX, Gaines County, TX, Garza County, TX, Glasscock County, TX, Hockley County, TX, Howard County, TX, Irion County, TX, Kent County, TX, King County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX, Terry County, TX, Tom Green County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX
The radar
The Midland/Odessa radar (KMAF), 5 km from the middle of the area, began a volume at 03:22 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, 3.3 hours before the alert went out and 7 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.
- Mixed-layer CAPE
- 1035 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1538 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 15, 6:51 AM CDT | Mesoscale Discussion | SPC | Bee, Brooks, Duval, Jim Hogg, Jim Wells, Kleberg and 7 more | 54 min |
| May 15, 2:41 PM CDT | Mesoscale Discussion | SPC | Brazoria, Calhoun, Cameron, Fort Bend, Jackson, Matagorda and 2 more | 2 hr |
| May 15, 3:36 PM CDT | Mesoscale Discussion | SPC | Andrews, Armstrong, Bailey, Briscoe, Carson, Castro and 24 more | 84 min |
Nearby
Mesoscale Discussions in Texas, 2015Every mesoscale discussion in 2015
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.