Alert archive / Texas / Mesoscale Discussions in 2007
Mesoscale Discussion 962
The Storm Prediction Center issued this mesoscale discussion at Jun 2, 2007, 6:03 AM CDT for 25 counties in Texas. It was in force for 57 min.
The area
The outline as issued.
The facts
- Issued
- Jun 2, 2007, 6:03 AM CDT (11:03 UTC)
- Expired
- Jun 2, 2007, 7:00 AM CDT
- In force
- 57 min
- Issued by
- the Storm Prediction Center
All 25 counties
Bosque County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Eastland County, TX, Erath County, TX, Hamilton County, TX, Hood County, TX, Irion County, TX, Kimble County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, San Saba County, TX, Schleicher County, TX, Somervell County, TX, Sutton County, TX
The radar
The San Angelo radar (KSJT), 101 km from the middle of the area, began a volume at 11:04 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
Fort Worth, TX (KFWD), launched 00:00Z, 11.1 hours before the alert went out and 259 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
- 1522 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1413 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 021103 SWOMCD SPC MCD 021103 TXZ000-021200- MESOSCALE DISCUSSION 0962 NWS STORM PREDICTION CENTER NORMAN OK 0603 AM CDT SAT JUN 02 2007 AREAS AFFECTED...WEST CENTRAL TX CONCERNING...SEVERE THUNDERSTORM WATCH 329... VALID 021103Z - 021200Z THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 329 CONTINUES. A CONTINUED DECREASE IN SEVERE WEATHER THREAT IS EXPECTED ACROSS WW 329...WITH POTENTIAL FOR PARTS OR ALL OF THIS WW TO BE CANCELLED PRIOR TO THE SCHEDULED EXPIRATION OF 13Z. 10Z SURFACE ANALYSIS SHOWED AN OUTFLOW BOUNDARY EXTENDING FROM THE ARKLATEX REGION SWWD TO 40 NNW LFK AND THEN WWD TO ALONG THE SRN PERIPHERY OF THE TSTM CLUSTER IN CENTRAL TX TO THE VICINITY OF MAF IN SW TX. ONGOING TSTM CLUSTER NOW LOCATED IN THE ERN PART OF WW 329 /SAN SABA TO BOSQUE COUNTIES/ PER REGIONAL RADARS HAS MOVED EAST OF THE STRONGER INSTABILITY AXIS WITH A DECREASE OBSERVED IN TSTM INTENSITIES. SLY LLJ HAS ALSO DECREASED IN SPEED SINCE 07Z AS SUGGESTED BY THE SHORT TERM MODELS. LOW LEVEL WAA ALONG NOSE OF LLJ MAY SUPPORT TSTMS WITH THIS CLUSTER AS IT TRACKS TO THE SE EARLY THIS MORNING. HOWEVER...OVERALL WARMING TREND OF CLOUD TOP TEMPERATURES SUPPORTS WANING SEVERE WEATHER THREAT AS TSTMS MOVE FARTHER AWAY FROM INSTABILITY AXIS. ..PETERS.. 06/02/2007 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...FWD...EWX...SJT... 31310123 31479938 32389973 32649930 32579754 31519707 30839791 30329899 30010005 30770131
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:27 PM CDT | Mesoscale Discussion | SPC | Bailey, Castro, Deaf Smith, Hartley, Moore, Oldham and 3 more | 63 min |
| Jun 1, 7:30 PM CDT | Mesoscale Discussion | SPC | Archer, Clay, Haskell, Jack, Jones, Montague and 6 more | 60 min |
| Jun 1, 8:24 PM CDT | Tornado Watch | SPC | Andrews, Bailey, Borden, Castro, Cochran, Crosby and 19 more | 4 hr |
| Jun 1, 10:32 PM CDT | Mesoscale Discussion | SPC | Andrews, Bailey, Borden, Castro, Cochran, Crosby and 19 more | 58 min |
| Jun 1, 11:27 PM CDT | Severe Thunderstorm Watch | SPC | Bosque, Collin, Dallas, Delta, Denton, Ellis and 16 more | 3 hr |
| Jun 2, 2:34 AM CDT | Mesoscale Discussion | SPC | Anderson, Bosque, Brown, Callahan, Coke, Coleman and 45 more | 56 min |
| Jun 2, 2:45 AM CDT | Severe Thunderstorm Watch | SPC | Bosque, Brown, Callahan, Coke, Coleman, Comanche and 17 more | 4 hr |
| Jun 2, 2:42 PM CDT | Mesoscale Discussion | SPC | Bailey, Castro, Dallam, Deaf Smith, Hartley, Lamb and 5 more | 93 min |
| Jun 2, 4:22 PM CDT | Severe Thunderstorm Watch | SPC | Dallam, Deaf Smith, Hartley, Moore, Oldham, Potter and 2 more | 7 hr |
Nearby
Mesoscale Discussions in Texas, 2007Every mesoscale discussion in 2007
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.