Alert archive / Texas / Mesoscale Discussions in 2005
Mesoscale Discussion 313
The Storm Prediction Center issued this mesoscale discussion at Mar 19, 2005, 7:03 PM CST for 43 counties in Texas. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Mar 19, 2005, 7:03 PM CST (01:03 UTC)
- Expired
- Mar 19, 2005, 8:30 PM CST
- In force
- 87 min
- Issued by
- the Storm Prediction Center
All 43 counties
Angelina County, TX, Aransas County, TX, Austin County, TX, Bastrop County, TX, Bee County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Calhoun County, TX, Colorado County, TX, DeWitt County, TX, Duval County, TX, Fayette County, TX, Fort Bend County, TX, Goliad County, TX, Gonzales County, TX, Grimes County, TX, Harris County, TX, Jackson County, TX, Jim Wells County, TX, Karnes County, TX, Kleberg County, TX, Lavaca County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Live Oak County, TX, Madison County, TX, Matagorda County, TX, Milam County, TX, Montgomery County, TX, Nueces County, TX, Polk County, TX, Refugio County, TX, Robertson County, TX, San Jacinto County, TX, San Patricio County, TX, Trinity County, TX, Victoria County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 141 km from the middle of the area, began a volume at 01:03 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
Corpus Christi, TX (KCRP), launched 00:00Z, 1.1 hours before the alert went out and 164 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
- 1536 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 714 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.3
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 19, 9:36 PM CST | Mesoscale Discussion | SPC | Aransas, Austin, Bee, Brazoria, Calhoun, Colorado and 23 more | 84 min |
| Mar 20, 2:00 AM CST | Mesoscale Discussion | SPC | Aransas, Duval, Jim Wells, Nueces, Refugio, San Patricio | 2 hr |
Nearby
Mesoscale Discussions in Texas, 2005Every mesoscale discussion in 2005
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.