Alert archive / Texas / Mesoscale Discussions in 2003
Mesoscale Discussion 62
The Storm Prediction Center issued this mesoscale discussion at Feb 14, 2003, 3:55 PM CST for 4 states. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 14, 2003, 3:55 PM CST (21:55 UTC)
- Expired
- Feb 14, 2003, 6:00 PM CST
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 69 counties
Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Labette County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Woodson County, KS, Barton County, MO, Bates County, MO, Cedar County, MO, Dade County, MO, Jasper County, MO, St. Clair County, MO, Vernon County, MO, Canadian County, OK, Cotton County, OK, Craig County, OK, Grady County, OK, Kay County, OK, Logan County, OK, Mayes County, OK, Noble County, OK, Nowata County, OK, Oklahoma County, OK, Payne County, OK, Rogers County, OK, Stephens County, OK, Tulsa County, OK, Washington County, OK, Archer County, TX, Bandera County, TX, Bell County, TX, Blanco County, TX, Bosque County, TX, Burnet County, TX, Coleman County, TX, Coryell County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Kendall County, TX, Kerr County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McLennan County, TX, Medina County, TX, Menard County, TX, Mills County, TX, Real County, TX, San Saba County, TX, Stephens County, TX, Uvalde County, TX, Williamson County, TX, Young County, TX
The radar
The Norman radar (KTLX), 136 km from the middle of the area, began a volume at 21:53 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
Fort Worth, TX (KFWD), launched 12:00Z, 9.9 hours before the alert went out and 145 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
- 852 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 558 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 259 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 5.2
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 |
|---|---|---|---|---|
| Feb 14, 1:56 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chase, Chautauqua, Cherokee and 13 more | 2 hr |
| Feb 14, 3:35 PM CST | Severe Thunderstorm Watch | SPC | Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 13 more | 5 hr |
| Feb 14, 5:56 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Bourbon, Chautauqua, Cherokee, Coffey and 13 more | 2 hr |
| Feb 13, 10:54 PM CST | Mesoscale Discussion | SPC | Coke, Crockett, Glasscock, Howard, Irion, Martin and 5 more | 2 hr |
| Feb 14, 1:50 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bexar, Dimmit, Frio, Kendall and 9 more | 3 hr |
| Feb 14, 2:40 PM CST | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Dimmit, Duval, Frio, Jim Wells and 8 more | 5 hr |
| Feb 14, 4:40 PM CST | Severe Thunderstorm Watch | SPC | Anderson, Bastrop, Bell, Blanco, Bosque, Bowie and 43 more | 6 hr |
| Feb 14, 5:06 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Dimmit, Duval, Frio, Jim Wells and 8 more | 114 min |
| Feb 14, 5:30 PM CST | Severe Thunderstorm Watch | SPC | Atascosa, Bandera, Bee, Bexar, Caldwell, Comal and 22 more | 6 hr |
Nearby
Mesoscale Discussions in Texas, 2003Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Oklahoma, 2003Every mesoscale discussion in 2003
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.