Alert archive / Texas / Mesoscale Discussions in 2004
Mesoscale Discussion 1102
The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2004, 3:28 PM CDT for 20 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 5, 2004, 3:28 PM CDT (20:28 UTC)
- Expired
- Jun 5, 2004, 5:30 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
Counties Borden County, TX, Coke County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Fisher County, TX, Garza County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Kent County, TX, King County, TX, Lubbock County, TX, Lynn County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Stonewall County, TX
The radar
The Lubbock radar (KLBB), 130 km from the middle of the area, began a volume at 20:34 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
Midland Regional, TX (KMAF), launched 12:00Z, 8.5 hours before the alert went out and 140 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
- 601 J/kg
- Mixed-layer CIN
- -329 J/kg
- Mixed-layer LCL
- 931 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 302 m²/s²
- 0-3 km storm-relative helicity
- 353 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
117 ACUS11 KWNS 052028 SWOMCD SPC MCD 052028 TXZ000-052230- MESOSCALE DISCUSSION 1102 NWS STORM PREDICTION CENTER NORMAN OK 0328 PM CDT SAT JUN 05 2004 AREAS AFFECTED...W TX CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 052028Z - 052230Z AREA OF W TX BETWEEN LUBBOCK AND MIDLAND IS BEING MONITORED FOR THUNDERSTORM INITIATION. LARGE HAIL AND DAMAGING WIND WILL BE THE MAIN THREATS ONCE STORMS DEVELOP. A WW WILL BE NEEDED ONCE INITIATION BECOMES MORE CERTAIN. VISIBLE IMAGERY SHOWS A N-S LINE OF CUMULUS DEVELOPING BETWEEN LUBBOCK AND MIDLAND ON A SUBTLE BOUNDARY. TRENDS IN SURFACE DATA SHOW DEWPOINTS DROPPING INTO THE 40S AND FLOW VEERING TO WLY AS STRONG SURFACE HEATING ENCOURAGES DEEP MIXING ALONG THE NM/TX BORDER. THIS SHOULD SUPPORT SHARPENING OF THE PREVIOUSLY MENTIONED BOUNDARY AS IT TAKES ON DRYLINE CHARACTERISTICS. THE ATMOSPHERE REMAINS QUITE UNSTABLE ALONG AND E OF THIS BOUNDARY WITH MLCAPE AROUND 2500 J/KG. VERTICAL WIND PROFILES EXHIBIT SELY LOW LEVEL FLOW VEERING TO NWLY AT 6 KM WITH DEEP SHEAR GENERALLY LIMITED TO AOB 30 KT DUE TO WEAK MID LEVEL FLOW. WITH VERTICAL SHEAR AT LEAST MARGINALLY FAVORABLE FOR SUPERCELLS...THERMODYNAMIC ENVIRONMENT WOULD SUPPORT A THREAT FOR LARGE HAIL AND DAMAGING WIND. CONVERGENCE ALONG THE SHARPENING BOUNDARY COULD SUPPORT CONVECTIVE INITIATION WITHIN THE NEXT HOUR OR TWO AS THE CAP CONTINUES TO WEAKEN. ..DIAL.. 06/05/2004 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...SJT...LUB...MAF... 33910022 32660010 31620061 31190105 31330185 32990198 33980203
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 7:25 PM CDT | Severe Thunderstorm Watch | SPC | Anderson, Bell, Bosque, Brown, Callahan, Coleman and 22 more | 4 hr |
| Jun 4, 8:04 PM CDT | Mesoscale Discussion | SPC | Hansford, Hutchinson, Lipscomb, Ochiltree, Roberts | 116 min |
| Jun 4, 9:35 PM CDT | Mesoscale Discussion | SPC | Bell, Burnet, Coryell, Lampasas, Williamson | 115 min |
| Jun 4, 11:43 PM CDT | Mesoscale Discussion | SPC | Borden, Brown, Callahan, Coke, Coleman, Concho and 18 more | 2 hr |
| Jun 5, 11:45 AM CDT | Mesoscale Discussion | SPC | Chambers, Hardin, Harris, Jasper, Jefferson, Liberty and 3 more | 3 hr |
| Jun 5, 2:34 PM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Collingsworth, Dallam and 19 more | 116 min |
| Jun 5, 3:15 PM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Bailey, Briscoe, Carson, Castro, Cochran and 17 more | 6 hr |
| Jun 5, 4:14 PM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Bexar, Brazoria, Caldwell, Calhoun and 17 more | 2 hr |
| Jun 5, 4:35 PM CDT | Severe Thunderstorm Watch | SPC | Gray, Hemphill, Lipscomb, Wheeler | 6 hr |
| Jun 5, 5:00 PM CDT | Mesoscale Discussion | SPC | Anderson, Bowie, Camp, Cass, Cherokee, Delta and 27 more | 60 min |
| Jun 5, 5:48 PM CDT | Mesoscale Discussion | SPC | Dallam, Hansford, Hartley, Lipscomb, Moore, Ochiltree and 1 more | 87 min |
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; radar from the NEXRAD Level II archive.