Alert archive / Texas / Mesoscale Discussions in 2004
Mesoscale Discussion 382
The Storm Prediction Center issued this mesoscale discussion at Apr 19, 2004, 1:02 PM MDT for Lea County, Roosevelt County, New Mexico; 33 counties in Texas. It was in force for 118 min.
The area
The outline as issued.
The facts
- Issued
- Apr 19, 2004, 1:02 PM MDT (19:02 UTC)
- Expired
- Apr 19, 2004, 3:00 PM MDT
- In force
- 118 min
- Issued by
- the Storm Prediction Center
All 35 counties
Lea County, NM, Roosevelt County, NM, Andrews County, TX, Armstrong County, TX, Bailey County, TX, Borden County, TX, Briscoe County, TX, Carson County, TX, Castro County, TX, Cochran County, TX, Crosby County, TX, Dawson County, TX, Deaf Smith County, TX, Donley County, TX, Ector County, TX, Floyd County, TX, Gaines County, TX, Garza County, TX, Gray County, TX, Hale County, TX, Hockley County, TX, Howard County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Midland 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), 62 km from the middle of the area, began a volume at 19:06 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 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, 7.0 hours before the alert went out and 150 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
- 420 J/kg
- Mixed-layer CIN
- -285 J/kg
- Mixed-layer LCL
- 1364 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
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 |
|---|---|---|---|---|
| Apr 19, 3:45 PM MDT | Tornado Watch | SPC | Lea | 5 hr |
| Apr 19, 4:18 PM MDT | Mesoscale Discussion | SPC | Lea | 117 min |
| Apr 19, 2:00 PM MDT | Tornado Watch | SPC | Armstrong, Bailey, Briscoe, Carson, Castro, Cochran and 27 more | 6 hr |
Nearby
Mesoscale Discussions in Texas, 2004Mesoscale Discussions in New Mexico, 2004Every mesoscale discussion in 2004
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.