148 FXUS64 KTSA 232018 AFDTSA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 318 PM CDT THU MAY 23 2013 .DISCUSSION... NARROW BAND OF SHOWERS/THUNDERSTORMS HAS FESTERED ALL DAY IN ZONE OF RATHER STRONG ISENTROPIC LIFT ACROSS NCNTRL INTO ECNTRL OK. HRRR MODEL AT LEAST ACKNOWLEDGES THIS ACTIVITY...AND SUGGESTS CONVECTION WILL SLOWLY WEAKEN/DISSIPATE TOWARD 00Z AS LOW-LEVEL FLOW BECOMES MORE FOCUSED FARTHER WEST. RECENT RADAR TRENDS SHOW CONSIDERABLE AREAL SHRINKAGE...BUT WILL TAKE A LAST LOOK AT RADAR BEFORE DECIDING ON EARLY EVENING POPS. ADDITIONAL CONVECTION IS JUST NOW FIRING ACROSS THE TX PANHANDLE...AND COULD MAKE A RUN AT SE OK LATE TONIGHT. MOISTURE PLUME WILL REMAIN MOSTLY WEST OF THE AREA...ALONG WITH BEST RAIN CHANCES. EXPECT ABUNDANT CLOUD COVER...HOWEVER...WITH TEMPS MAINLY IN THE 70S. WEAK WAVES WITHIN THE MEAN RIDGE POSITION ACROSS THE SRN PLAINS WILL SUPPORT AT LEAST LOW-END POPS THROUGH THE WEEKEND. HIGHS BOTH DAYS ARE EXPECTED TO GENERALLY BE IN THE LOWER 80S. BROAD RIDGE WILL WILL GET PUSHED EAST OF THE AREA BY EARLY NEXT WEEK...WITH THE FORECAST AREA BEING UNDER WEAK SWLY UPPER FLOW IN ADVANCE OF WEST COAST UPPER TROF. HAVE KEPT THE EARLY PART OF THE NEXT WEEK DRY...WITH BEST RAIN CHANCES REMAINING WELL WEST AND NORTH. STORM CHANCES SHOULD BE ON THE INCREASE BY LATE WEEK AS AFOREMENTIONED UPPER SYSTEM SLOWLY APPROACHES. && .PRELIMINARY POINT TEMPS/POPS... TUL 58 78 62 83 / 40 20 10 20 FSM 60 77 57 81 / 10 10 10 20 MLC 62 78 61 82 / 40 20 10 20 BVO 55 77 59 83 / 30 30 10 30 FYV 54 74 53 79 / 10 10 10 20 BYV 52 72 51 79 / 10 10 10 20 MKO 59 78 58 83 / 30 20 10 20 MIO 54 77 57 83 / 10 20 10 20 F10 61 79 61 82 / 50 20 10 20 HHW 64 79 62 81 / 40 20 10 20 && .TSA WATCHES/WARNINGS/ADVISORIES... OK...NONE. AR...NONE. && $$ SHORT TERM...12 LONG TERM....18