ZCZC SPCSWOMCD ALL
ACUS11 KWNS 282257 
SPC MCD 282257 
OKZ000-TXZ000-290000-

MESOSCALE DISCUSSION 1076
NWS STORM PREDICTION CENTER NORMAN OK
0557 PM CDT TUE JUN 28 2016

AREAS AFFECTED...NWRN AND W-CNTRL OK / FAR NERN TX PANHANDLE

CONCERNING...SEVERE THUNDERSTORM WATCH 306...

VALID 282257Z - 290000Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 306
CONTINUES.

SUMMARY...SCATTERED GUSTS OF 50-70 MPH ARE LIKELY AS A VERY
FAVORABLE EVOLUTION TO A SMALL-SCALE QLCS HAS DEVELOPED AND WILL
MATURE DURING THE NEXT 1-2 HOURS.  IF CONVECTIVE TRENDS WARRANT...A
LOCAL EXTENSION-IN-AREA MAY BE NEEDED LATER IF STORMS MAINTAIN
INTENSITY INTO SWRN OK.

DISCUSSION...RADAR MOSAIC SHOWS A VERY FAVORABLE CONVECTIVE MODE
TRANSITION TO A QLCS ACROSS NWRN OK.  OBSERVED GUSTS AROUND 60 MPH
HAVE BEEN MEASURED DURING THE PAST 2 HOURS AT KP28 AND THE ALVA OK
MESONET SITE.  THE BOUNDARY LAYER IS MOIST/UNSTABLE DOWNSTREAM OF
THE QLCS ACROSS W-CNTRL OK WITH TEMPS IN THE LOWER 90S AND DEWPOINTS
IN THE UPPER 60S TO NEAR 70 DEG F.  MODIFYING THE 12Z LMN RAOB FOR
CURRENT CONDITIONS YIELDS AROUND 3000 J/KG MLCAPE.  A WELL-DEVELOPED
COLD POOL WILL SERVE TO PROPAGATE THE STORMS SWD INTO THE I-40
CORRIDOR DURING THE NEXT FEW HOURS.  AMPLE WATER
LOADING...EVAPORATIVELY COOLED DOWNDRAFTS...AND A FAVORABLE
CONVECTIVE MODE WILL LIKELY RESULT IN GUSTS RANGING FROM 50-70 MPH.

..SMITH.. 06/28/2016

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...OUN...AMA...

LAT...LON   35479941 35560017 36550016 36519799 35589801 35479941 

NNNN