Alert archive / Texas / Mesoscale Discussions in 2004
Mesoscale Discussion 1023
The Storm Prediction Center issued this mesoscale discussion at May 31, 2004, 2:26 PM CDT for 43 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 31, 2004, 2:26 PM CDT (19:26 UTC)
- Expired
- May 31, 2004, 4:30 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 43 counties
Anderson County, TX, Angelina County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Comal County, TX, Coryell County, TX, Falls County, TX, Freestone County, TX, Gillespie County, TX, Grimes County, TX, Hamilton County, TX, Hardin County, TX, Harris County, TX, Hays County, TX, Hill County, TX, Houston County, TX, Jasper County, TX, Lampasas County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Llano County, TX, Madison County, TX, McLennan County, TX, Milam County, TX, Mills County, TX, Montgomery County, TX, Navarro County, TX, Polk County, TX, Robertson County, TX, San Jacinto County, TX, Travis County, TX, Trinity County, TX, Tyler County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Williamson County, TX
The watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 7.4 hours before the alert went out and 230 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
- 1886 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 320 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 31, 4:10 PM CDT | Tornado Watch | SPC | Anderson, Angelina, Bell, Bosque, Brazos, Burleson and 33 more | 6 hr |
| May 31, 4:45 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bastrop, Bexar, Caldwell, Colorado, Comal and 12 more | 5 hr |
| May 31, 6:44 PM CDT | Mesoscale Discussion | SPC | Anderson, Angelina, Bastrop, Bell, Bosque, Brazos and 44 more | 2 hr |
Nearby
Mesoscale Discussions in Texas, 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.