Alert archive / Texas / Mesoscale Discussions in 2007
Mesoscale Discussion 178
The Storm Prediction Center issued this mesoscale discussion at Feb 23, 2007, 5:51 PM CST for 23 counties in Texas. It was in force for 114 min.
The area
The outline as issued.
The facts
- Issued
- Feb 23, 2007, 5:51 PM CST (23:51 UTC)
- Expired
- Feb 23, 2007, 7:45 PM CST
- In force
- 114 min
- Issued by
- the Storm Prediction Center
All 23 counties
Borden County, TX, Coke County, TX, Concho County, TX, Crockett County, TX, Dawson County, TX, Fisher County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Martin County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Sterling County, TX, Taylor County, TX, Tom Green County, TX, Upton County, TX
The radar
The Midland/Odessa radar (KMAF), 79 km from the middle of the area, began a volume at 23:52 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.9 hours before the alert went out and 80 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1326 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 245 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 |
|---|---|---|---|---|
| Feb 23, 1:54 PM CST | Mesoscale Discussion | SPC | Borden, Briscoe, Childress, Collingsworth, Cottle, Crosby and 13 more | 2 hr |
| Feb 23, 3:11 PM CST | Tornado Watch | SPC | Armstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 21 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.