Alert archive / Texas / Mesoscale Discussions in 2016
Mesoscale Discussion 773
The Storm Prediction Center issued this mesoscale discussion at May 28, 2016, 6:38 PM CDT for 48 counties in Texas. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- May 28, 2016, 6:38 PM CDT (23:38 UTC)
- Expired
- May 28, 2016, 8:45 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
All 48 counties
Bandera County, TX, Borden County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crane County, TX, Crockett County, TX, Eastland County, TX, Edwards County, TX, Fisher County, TX, Gillespie County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Llano County, TX, Martin County, TX, Mason County, TX, Maverick County, TX, McCulloch County, TX, Medina County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX, Uvalde County, TX, Val Verde County, TX, Zavala County, TX
The radar
The San Angelo radar (KSJT), 52 km from the middle of the area, began a volume at 23:42 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
Del Rio, TX (KDLF), launched 12:00Z, 11.6 hours before the alert went out and 173 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
- 1069 J/kg
- Mixed-layer CIN
- -283 J/kg
- Mixed-layer LCL
- 1112 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
As transmitted.
452
ACUS11 KWNS 282339
SWOMCD
SPC MCD 282338
TXZ000-290145-
MESOSCALE DISCUSSION 0773
NWS STORM PREDICTION CENTER NORMAN OK
0638 PM CDT SAT MAY 28 2016
AREAS AFFECTED...PORTIONS OF WRN AND CENTRAL TX
CONCERNING...SEVERE THUNDERSTORM WATCH 226...
VALID 282338Z - 290145Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 226
CONTINUES.
SUMMARY...RISK FOR LARGE HAIL AND LOCALLY DAMAGING WINDS CONTINUES
IN AND NEAR WW 0226.
DISCUSSION...LATEST RADAR LOOP SHOWS ISOLATED THUNDERSTORMS ONGOING
ACROSS PORTIONS OF WRN AND CENTRAL TX...INCLUDING THE CONCHO VALLEY
AND EDWARDS PLATEAU AREAS. THE STRONGEST CELL IS OBSERVED OVER NRN
KIMBLE CO. ATTM /I.E. INVOF THE SERN CORNER OF THE WW/...WHERE LARGE
HAIL UP TO GOLF-BALL SIZE HAS BEEN REPORTED.
THE STORMS APPEAR TO BE INITIATING IN RESPONSE TO WEAK LOW-LEVEL
WARM ADVECTION...AS BOUNDARY-LAYER FLOW ACROSS THE REGION CONTINUES
TO BACK TO SELY IN RESPONSE TO THE MID-LEVEL SHORT-WAVE TROUGH
SHIFTING ENEWD ACROSS THE BAJA CALIFORNIA VICINITY ATTM. WITH THE
FLOW VEERING TO WLY AT MID LEVELS PROVIDING AMPLE SHEAR FOR ROTATING
UPDRAFTS...AND A VERY UNSTABLE AIRMASS IN PLACE...ISOLATED SEVERE
STORMS SHOULD PERSIST OVER THE NEXT SEVERAL HOURS ACROSS THIS
REGION.
..GOSS.. 05/28/2016
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...FWD...EWX...SJT...LUB...MAF...
LAT...LON 32309880 30399858 29239892 28719976 28600048 29380107
29690169 29690258 30170298 31240289 32660197 33210066
33220011 32909925 32309880SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 2:58 PM CDT | Mesoscale Discussion | SPC | Bandera, Coke, Concho, Crockett, Edwards, Gillespie and 18 more | 2 hr |
| May 28, 3:59 PM CDT | Severe Thunderstorm Watch | SPC | Bandera, Bexar, Blanco, Brown, Callahan, Coke and 40 more | 9 hr |
Nearby
Mesoscale Discussions in Texas, 2016Every mesoscale discussion in 2016
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.