Alert archive / Texas / Mesoscale Discussions in 2003
Mesoscale Discussion 70
The Storm Prediction Center issued this mesoscale discussion at Feb 14, 2003, 10:16 PM CST for 46 counties in Texas. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Feb 14, 2003, 10:16 PM CST (04:16 UTC)
- Expired
- Feb 15, 2003, 12:15 AM CST
- In force
- 119 min
- Issued by
- the Storm Prediction Center
All 46 counties
Atascosa County, TX, Bandera County, TX, Bastrop County, TX, Bee County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Bosque County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Comal County, TX, Coryell County, TX, DeWitt County, TX, Dimmit County, TX, Duval County, TX, Falls County, TX, Fayette County, TX, Frio County, TX, Gillespie County, TX, Goliad County, TX, Gonzales County, TX, Guadalupe County, TX, Hamilton County, TX, Hays County, TX, Jim Wells County, TX, Karnes County, TX, Kendall County, TX, Kleberg County, TX, La Salle County, TX, Lampasas County, TX, Lavaca County, TX, Lee County, TX, Limestone County, TX, Live Oak County, TX, Llano County, TX, McLennan County, TX, McMullen County, TX, Medina County, TX, Milam County, TX, Nueces County, TX, San Patricio County, TX, Travis County, TX, Webb County, TX, Williamson County, TX, Wilson County, TX
The radar
The Austin/San Antonio radar (KEWX), 47 km from the middle of the area, began a volume at 04:15 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, 4.3 hours before the alert went out and 274 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
- 830 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 685 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- -56 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
229 ACUS11 KWNS 150417 SWOMCD SPC MCD 150416 TXZ000-150615- MESOSCALE DISCUSSION 0070 NWS STORM PREDICTION CENTER NORMAN OK 1016 PM CST FRI FEB 14 2003 AREAS AFFECTED...CNTRL / SRN TX CONCERNING...SEVERE THUNDERSTORM WATCH 3...4... VALID 150416Z - 150615Z THE THREAT OF ISOLATED SEVERE WEATHER WILL CONTINUE ACROSS WW/S 003 AND 004 FOR THE NEXT SEVERAL HOURS...HOWEVER NO REPLACEMENT WW IS ANTICIPATED AT THIS TIME. CONVECTION CURRENTLY OVER WW 004 REMAINS UNORGANIZED...EVEN AS IT MOVES THROUGH A SEEMINGLY FAVORABLE THERMODYNAMIC/KINEMATIC ENVIRONMENT. IT APPEARS THAT THE LACK OF SUSTAINED...STRONG LOW LEVEL CONVERGENCE HAS LIMITED THE POTENTIAL FOR ORGANIZED TSTM DEVELOPMENT. WATER VAPOR IMAGERY CONTINUES TO INDICATE AREAS OF ENHANCED LARGE SCALE ASCENT MOVING ACROSS SRN TX INTO THE CONCHO VALLEY...AND ISOLATED SEVERE TSTM DEVELOPMENT REMAINS POSSIBLE. SINCE THE THREAT OF MORE WIDESPREAD ORGANIZED CONVECTION WILL LIKELY BE DELAYED UNTIL THE ARRIVAL OF THE COLD FRONT...WW/S 003 AND 004 WILL BE ALLOWED TO EXPIRE AT 05Z. ..MEAD/GOSS.. 02/15/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... 32109784 31839653 29979652 27419762 27370037 30089925
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 14, 6:57 PM CST | Mesoscale Discussion | SPC | Anderson, Bastrop, Bell, Blanco, Bosque, Bowie and 43 more | 2 hr |
| Feb 14, 7:37 PM CST | Mesoscale Discussion | SPC | Anderson, Bastrop, Bell, Blanco, Bosque, Bowie and 43 more | 113 min |
| Feb 14, 9:12 PM CST | Mesoscale Discussion | SPC | Atascosa, Bandera, Bee, Bexar, Caldwell, Comal and 22 more | 2 hr |
| Feb 15, 12:31 AM CST | Mesoscale Discussion | SPC | Atascosa, Bexar, Brooks, Duval, Frio, Jim Hogg and 7 more | 119 min |
| Feb 15, 4:12 AM CST | Mesoscale Discussion | SPC | Refugio | 3 hr |
| Feb 15, 4:35 AM CST | Severe Thunderstorm Watch | SPC | Brooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 6 more | 4 hr |
| Feb 15, 6:48 AM CST | Mesoscale Discussion | SPC | Brooks, Cameron, Duval, Hidalgo, Jim Hogg, Jim Wells and 6 more | 87 min |
| Feb 15, 2:47 PM CST | Mesoscale Discussion | SPC | Atascosa, Bee, DeWitt, Goliad, Jim Wells, Karnes and 6 more | 118 min |
Nearby
Mesoscale Discussions in Texas, 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.