Alert archive / Texas / Mesoscale Discussions in 2004
Mesoscale Discussion 2393
The Storm Prediction Center issued this mesoscale discussion at Nov 1, 2004, 6:54 PM CST for 4 counties in Oklahoma; 26 counties in Texas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 1, 2004, 6:54 PM CST (00:54 UTC)
- Expired
- Nov 1, 2004, 9:30 PM CST
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
All 30 counties
Carter County, OK, Cotton County, OK, Jefferson County, OK, Love County, OK, Bosque County, TX, Burnet County, TX, Clay County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Ellis County, TX, Erath County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Lampasas County, TX, Llano County, TX, McLennan County, TX, Mills County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, San Saba County, TX, Somervell County, TX, Tarrant County, TX, Wise County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 60 km from the middle of the area, began a volume at 00:56 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
Norman, OK (KOUN), launched 00:00Z, 0.9 hours before the alert went out and 314 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
- 533 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 699 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 21 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 |
|---|---|---|---|---|
| Nov 1, 9:37 PM CST | Mesoscale Discussion | SPC | Aransas, Bee, Brazoria, Calhoun, Chambers, Colorado and 17 more | 3 hr |
| Nov 2, 3:12 AM CST | Mesoscale Discussion | SPC | Armstrong, Bailey, Carson, Castro, Cochran, Deaf Smith and 11 more | 4 hr |
Nearby
Mesoscale Discussions in Texas, 2004Mesoscale Discussions in Oklahoma, 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.