Alert archive / Texas / Mesoscale Discussions in 2017
Mesoscale Discussion 359
The Storm Prediction Center issued this mesoscale discussion at Mar 28, 2017, 6:30 PM CDT for 10 counties in Texas. It was in force for 90 min.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2017, 6:30 PM CDT (23:30 UTC)
- Expired
- Mar 28, 2017, 8:00 PM CDT
- In force
- 90 min
- Issued by
- the Storm Prediction Center
Counties Coke County, TX, Crockett County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Mitchell County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Terrell County, TX
The radar
The San Angelo radar (KSJT), 90 km from the middle of the area, began a volume at 23:30 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, 11.5 hours before the alert went out and 116 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
- 1482 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 9:30 AM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Deaf Smith, Donley and 16 more | 3 hr |
| Mar 28, 12:23 PM CDT | Mesoscale Discussion | SPC | Bailey, Borden, Briscoe, Castro, Cochran, Cottle and 23 more | 67 min |
| Mar 28, 12:51 PM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 34 more | 8 hr |
| Mar 28, 1:25 PM CDT | Mesoscale Discussion | SPC | Coke, Crane, Crockett, Ector, Glasscock, Howard and 8 more | 95 min |
| Mar 28, 1:51 PM CDT | Severe Thunderstorm Watch | SPC | Borden, Callahan, Coke, Coleman, Concho, Crockett and 24 more | 8 hr |
| Mar 28, 2:44 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Callahan, Clay, Eastland, Fisher and 19 more | 3 hr |
| Mar 28, 2:44 PM CDT | Mesoscale Discussion | SPC | Armstrong, Baylor, Briscoe, Carson, Childress, Collingsworth and 21 more | 2 hr |
| Mar 28, 3:40 PM CDT | Tornado Watch | SPC | Archer, Baylor, Brown, Callahan, Childress, Clay and 33 more | 7 hr |
| Mar 28, 5:31 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Jack, Montague, Palo Pinto and 7 more | 89 min |
| Mar 28, 6:04 PM CDT | Mesoscale Discussion | SPC | Bandera, Burnet, Edwards, Gillespie, Kerr, Kimble and 7 more | 116 min |
Nearby
Mesoscale Discussions in Texas, 2017Every mesoscale discussion in 2017
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.