Alert archive / Texas / Mesoscale Discussions in 2015
Mesoscale Discussion 649
The Storm Prediction Center issued this mesoscale discussion at May 15, 2015, 2:36 PM MDT for 4 counties in New Mexico; 30 counties in Texas. It was in force for 84 min.
The area
The outline as issued.
The facts
- Issued
- May 15, 2015, 2:36 PM MDT (20:36 UTC)
- Expired
- May 15, 2015, 4:00 PM MDT
- In force
- 84 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 34 counties
Curry County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, Andrews County, TX, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Dawson County, TX, Deaf Smith County, TX, Ector County, TX, Floyd County, TX, Gaines County, TX, Hale County, TX, Hartley County, TX, Hockley County, TX, Hutchinson County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland County, TX, Moore County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Swisher County, TX, Terry County, TX, Winkler County, TX, Yoakum County, TX
The radar
The Lubbock radar (KLBB), 80 km from the middle of the area, began a volume at 20:38 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 12:00Z, 8.6 hours before the alert went out and 224 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
- 201 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 1524 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 100 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.7
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 14, 9:18 PM MDT | Mesoscale Discussion | SPC | Andrews, Borden, Cochran, Coke, Crane, Crockett and 31 more | 57 min |
| May 15, 5:51 AM MDT | Mesoscale Discussion | SPC | Bee, Brooks, Duval, Jim Hogg, Jim Wells, Kleberg and 7 more | 54 min |
| May 15, 1:41 PM MDT | Mesoscale Discussion | SPC | Brazoria, Calhoun, Cameron, Fort Bend, Jackson, Matagorda and 2 more | 2 hr |
Nearby
Mesoscale Discussions in Texas, 2015Mesoscale Discussions in New Mexico, 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.