FNUS74 KHGX 141256 FWSHGX SPOT FORECAST FOR BIG SANDY RX...NATIOAL PARK SERVICE NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 756 AM CDT MON MAY 14 2012 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SURFACE WINDS WILL BE LIGHT TODAY AS HIGH PRESSURE ACROSS NORTH TEXAS WILL KEEP VERY LIGHT NORTH TO NORTHEAST WINDS IN PLACE ACROSS THE REGION. MIXING HEIGHTS WILL TOP OUT IN THE AFTERNOON BETWEEN 5-6KFT WITH SCATTERED CLOUDS AT THIS HEIGHT INCREASING IN COVERAGE THROUGH THE DAY...ALTHOUGH SURFACE CONDITIONS WILL REMAIN DRY ENOUGH FOR MINIMUM RH VALUES AROUND 4O PERCENT. A WEAK UPPER DISTURBANCE WILL MOVE ACROSS THE REGION TODAY AND COULD POSSIBLY PRODUCE AN ISOLATED SHOWER OR THUNDERSTORM THIS AFTERNOON BUT THE RELATIVELY DRY AIR SHOULD ACT TO LIMIT COVERAGE. GREATER RAIN CHANCES ARE ON THE WAY FOR LATE TONIGHT INTO WEDNESDAY AS A MUCH STRONGER UPPER SYSTEM MOVES ACROSS THE STATE. .TODAY... TIME (CDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........MCR MCR PC PC PC PC PC PC WEATHER COV..... SCH SCH SCH SCH SCH WEATHER TYPE.... RW RW RW RW RW TEMP............72 75 78 80 82 84 85 84 RH..............57 52 47 44 43 40 40 43 20FT WIND DIR...N N N N N NE NE NE 20FT WIND (MPH).6 6 6 7 7 7 7 6 20FT WIND GUST.. 8 9 10 10 10 10 9 MIX HGT (KFT)...2.0 2.8 3.6 4.4 5.1 5.7 5.6 5.3 MIX HGT (KM)....0.6 0.9 1.1 1.3 1.6 1.7 1.7 1.6 TRANS WIND DIR..030 020 020 020 020 020 010 010 TRANS SPD (KTS).6 7 7 8 8 8 8 7 TRANS SPD (M/S).3 4 4 4 4 4 4 4 CWR.............10 10 10 20 20 20 20 20 .TONIGHT... TIME (CDT) 6PM SKY (%).........PC WEATHER COV.....SCH WEATHER TYPE....RW TEMP............81 RH..............47 20FT WIND DIR...NE 20FT WIND (MPH).6 20FT WIND GUST.. MIX HGT (KFT)...4.9 MIX HGT (KM)....1.5 TRANS WIND DIR..010 TRANS SPD (KTS).7 TRANS SPD (M/S).4 CWR.............20 $$ FORECASTER...MCKINNEY REQUESTED BY...DW IVANS TYPE OF REQUEST...PRESCRIBED .TAG 20120514.BIGSA.02/HGX