Alert archive / Texas / Mesoscale Discussions in 2007
Mesoscale Discussion 317
The Storm Prediction Center issued this mesoscale discussion at Mar 22, 2007, 6:55 AM MDT for 6 counties in New Mexico; 25 counties in Texas. It was in force for 65 min.
The area
The outline as issued.
The facts
- Issued
- Mar 22, 2007, 6:55 AM MDT (12:55 UTC)
- Expired
- Mar 22, 2007, 8:00 AM MDT
- In force
- 65 min
- Issued by
- the Storm Prediction Center
All 31 counties
Chaves County, NM, Curry County, NM, De Baca County, NM, Eddy County, NM, Lea County, NM, Roosevelt County, NM, Andrews County, TX, Armstrong County, TX, Bailey County, TX, Briscoe County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Dawson County, TX, Deaf Smith County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Loving County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Motley County, TX, Parmer County, TX, Randall County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX
The radar
The Cannon AFB radar (KFDX), 116 km from the middle of the area, began a volume at 12:56 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, 0.9 hours before the alert went out and 213 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
- 715 J/kg
- Mixed-layer CIN
- -170 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 187 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.2
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 |
|---|---|---|---|---|
| Mar 22, 11:42 AM MDT | Mesoscale Discussion | SPC | Chaves, Eddy, Lea, Roosevelt | 3 hr |
| Mar 22, 4:57 PM MDT | Severe Thunderstorm Watch | SPC | Eddy, Lea | 6 hr |
| Mar 21, 6:56 PM MDT | Mesoscale Discussion | SPC | Borden, Briscoe, Childress, Collingsworth, Cottle, Crosby and 27 more | 64 min |
| Mar 22, 12:59 PM MDT | Mesoscale Discussion | SPC | Hemphill, Wheeler | 2 hr |
Nearby
Mesoscale Discussions in Texas, 2007Mesoscale Discussions in New Mexico, 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.