Alert archive / Texas / Mesoscale Discussions in 2007
Mesoscale Discussion 634
The Storm Prediction Center issued this mesoscale discussion at May 1, 2007, 1:03 AM CDT for 37 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 1, 2007, 1:03 AM CDT (06:03 UTC)
- Expired
- May 1, 2007, 3:30 AM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Bell County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Eastland County, TX, Erath County, TX, Glasscock County, TX, Hamilton County, TX, Hood County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Lampasas County, TX, Llano County, TX, Martin County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mills County, TX, Mitchell County, TX, Nolan County, TX, Palo Pinto County, TX, Runnels County, TX, San Saba County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sterling County, TX, Taylor County, TX, Tom Green County, TX
The radar
The San Angelo radar (KSJT), 87 km from the middle of the area, began a volume at 06:06 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, 6.1 hours before the alert went out and 239 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
- 62 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 2092 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 1, 6:51 AM CDT | Mesoscale Discussion | SPC | Bell, Burnet, Coryell, Falls, Lampasas, Limestone and 5 more | 2 hr |
| May 1, 3:31 PM CDT | Mesoscale Discussion | SPC | Austin, Bandera, Bastrop, Bell, Bexar, Blanco and 47 more | 89 min |
| May 1, 3:48 PM CDT | Tornado Watch | SPC | Austin, Bandera, Bastrop, Bexar, Blanco, Brazos and 29 more | 7 hr |
Nearby
Mesoscale Discussions in Texas, 2007Every mesoscale discussion in 2007
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.