Alert archive / Texas / Mesoscale Discussions in 2005
Mesoscale Discussion 1069
The Storm Prediction Center issued this mesoscale discussion at May 30, 2005, 4:08 AM CDT for 5 counties in Texas. It was in force for 67 min.
The area
The outline as issued.
The facts
- Issued
- May 30, 2005, 4:08 AM CDT (09:08 UTC)
- Expired
- May 30, 2005, 5:15 AM CDT
- In force
- 67 min
- Issued by
- the Storm Prediction Center
Counties Brooks County, TX, Cameron County, TX, Hidalgo County, TX, Kenedy County, TX, Willacy County, TX
The radar
The Brownsville radar (KBRO), 85 km from the middle of the area, began a volume at 09:12 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
Brownsville Intl, TX (KBRO), launched 00:00Z, 9.1 hours before the alert went out and 87 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
- 3120 J/kg
- Mixed-layer CIN
- -194 J/kg
- Mixed-layer LCL
- 1139 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 156 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 300908 SWOMCD SPC MCD 300908 TXZ000-301015- MESOSCALE DISCUSSION 1069 NWS STORM PREDICTION CENTER NORMAN OK 0408 AM CDT MON MAY 30 2005 AREAS AFFECTED...DEEP S TX CONCERNING...SEVERE THUNDERSTORM WATCH 354... VALID 300908Z - 301015Z ORGANIZED SEVERE POTENTIAL DURING FINAL SCHEDULED HOUR OF WW HAS BEEN REDUCED TO THAT WITH ONE LARGE/COMPLEX TSTM COVERING MOST OF SRN HIDALGO COUNTY. WIND DAMAGE AND LARGE HAIL ARE POSSIBLE...AND 61 KT GUST WAS MEASURED AT MFE AT 838Z. EXPECT THIS ACTIVITY TO CONTINUE MOVING ESEWD 20-30 KT -- FOLLOWING AN OUTFLOW BOUNDARY ANALYZED ALONG OR JUST A FEW MILES S OF RIO GRANDE. AIR MASS ALONG AND S OF BOUNDARY REMAINS CHARACTERIZED BY SFC DEW POINTS 70 F AND MUCAPES ABOVE 3000 J/KG. ENOUGH OF THIS CONVECTION WILL POSE SEVERE POTENTIAL OVER SERN HIDALGO/SRN CAMERON COUNTIES THAT WW SHOULD BE MAINTAINED ALONG/AHEAD OF TSTMS THROUGH EXPIRATION...AND MAY BE LOCALLY EXTENDED TO 11Z IF NEEDED FOR CAMERON COUNTY. ..EDWARDS.. 05/30/2005 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...CRP...BRO... 25919877 27249855 27249692 25919714
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 29, 7:45 PM CDT | Mesoscale Discussion | SPC | Anderson, Bell, Blanco, Burnet, Coryell, Falls and 9 more | 90 min |
| May 29, 9:01 PM CDT | Mesoscale Discussion | SPC | Brooks, Hidalgo, Jim Hogg, Jim Wells, Kenedy, Kleberg and 4 more | 89 min |
| May 29, 10:05 PM CDT | Mesoscale Discussion | SPC | Atascosa, Austin, Bastrop, Bee, Bexar, Brazoria and 40 more | 55 min |
| May 29, 10:53 PM CDT | Mesoscale Discussion | SPC | Jasper, Newton, Orange | 37 min |
| May 29, 11:00 PM CDT | Severe Thunderstorm Watch | SPC | Chambers, Hardin, Jefferson, Orange | 6 hr |
| May 29, 11:08 PM CDT | Mesoscale Discussion | SPC | Brooks, Hidalgo, Jim Hogg, Kenedy, Kleberg, Nueces and 2 more | 67 min |
| May 29, 11:25 PM CDT | Severe Thunderstorm Watch | SPC | Brooks, Cameron, Hidalgo, Kenedy, Willacy | 6 hr |
| May 30, 1:33 AM CDT | Mesoscale Discussion | SPC | Chambers, Hardin, Jefferson, Orange | 87 min |
| May 30, 1:55 AM CDT | Mesoscale Discussion | SPC | Brooks, Cameron, Hidalgo, Kenedy, Willacy | 95 min |
| May 30, 1:48 PM CDT | Mesoscale Discussion | SPC | Angelina, Brazoria, Chambers, Fort Bend, Grimes, Hardin and 18 more | 117 min |
Nearby
Mesoscale Discussions in Texas, 2005Every mesoscale discussion in 2005
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.