Alert archive / Texas / Mesoscale Discussions in 2003
Mesoscale Discussion 1249
The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2003, 11:07 PM CDT for 17 counties in Texas. It was in force for 83 min.
The area
The outline as issued.
The facts
- Issued
- Jun 5, 2003, 11:07 PM CDT (04:07 UTC)
- Expired
- Jun 6, 2003, 12:30 AM CDT
- In force
- 83 min
- Issued by
- the Storm Prediction Center
Counties Andrews County, TX, Borden County, TX, Coke County, TX, Crane County, TX, Dawson County, TX, Ector County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Martin County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Reagan County, TX, Scurry County, TX, Sterling County, TX, Upton County, TX
The radar
The Midland/Odessa radar (KMAF), 35 km from the middle of the area, began a volume at 04:08 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
Midland Regional, TX (KMAF), launched 00:00Z, 4.1 hours before the alert went out and 35 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
- 887 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 1861 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 204 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
097 ACUS11 KWNS 060408 SWOMCD SPC MCD 060407 TXZ000-060530- MESOSCALE DISCUSSION 1249 NWS STORM PREDICTION CENTER NORMAN OK 1107 PM CDT THU JUN 05 2003 AREAS AFFECTED...TRANSPECOS REGION OF W TX... CONCERNING...SEVERE THUNDERSTORM WATCH 484... VALID 060407Z - 060530Z STRONG TO SEVERE STORMS CONTINUE ACROSS SERN QUARTER OF WW. NEW WW MAY BE ISSUED SHORTLY ACROSS PARTS OF W TX S OF CURRENT WATCH. AIRMASS REMAINS UNSTABLE /1000 TO 1500 J/KG MEAN-LAYER CAPE/ SOUTH AND EAST OF ONGOING CONVECTION WHICH IS CONVERGING ON THE TRANSPECOS REGION OF W TX ATTM. LATEST MIDLAND TX WSR-88D SHOWS AN OUTFLOW BOUNDARY MOVING SWD AHEAD OF TX CONVECTIVE LINE...AND ANOTHER MOVING EWD AHEAD OF SERN NM STORMS. THE MOST INTENSE STORM CLUSTER EXISTS ATTM NEAR THE INTERSECTION OF THESE TWO BOUNDARIES OVER WRN PORTIONS OF GAINES AND ANDREWS COUNTIES IN W TX. THIS BOUNDARY INTERSECTION IS FORECAST TO SHIFT SEWD WITH TIME...ROUGHLY ALONG A THIRD BOUNDARY ORIENTED NW-SE ACROSS ECTOR AND MIDLAND COUNTIES LIKELY AT THE LEADING EDGE OF THE MORE MOIST CENTRAL TX AIRMASS. IT APPEARS THAT A LOCALLY ENHANCED THREAT FOR DAMAGING WINDS / HAIL MAY EXIST INVOF THESE BOUNDARY INTERSECTIONS...AND GIVEN THAT STORMS WILL MOVE SOUTH OF CURRENT WATCH BETWEEN ROUGHLY 05 AND 0530Z...NEW WW MAY BE ISSUED SOUTH OF TX PORTION OF CURRENT WATCH. ..GOSS.. 06/06/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...SJT...LUB...MAF... 32110296 32620266 32930118 33060052 32150022 31230099 31230249 31530288
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 7:36 PM CDT | Mesoscale Discussion | SPC | Andrews, Bailey, Borden, Briscoe, Castro, Childress and 23 more | 84 min |
| Jun 5, 7:55 PM CDT | Severe Thunderstorm Watch | SPC | Andrews, Bailey, Borden, Briscoe, Cochran, Crosby and 20 more | 5 hr |
| Jun 5, 11:55 PM CDT | Severe Thunderstorm Watch | SPC | Coke, Crane, Ector, Glasscock, Howard, Irion and 9 more | 4 hr |
| Jun 6, 2:20 AM CDT | Mesoscale Discussion | SPC | Burnet, Concho, Crockett, Edwards, Gillespie, Irion and 10 more | 55 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.