FNUS72 KCAE 091533 FWSCAE SPOT FORECAST FOR COMPT 82 11 30...US FOREST SERVICE NATIONAL WEATHER SERVICE COLUMBIA SC 1133 AM EDT FRI JUL 9 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON JULY 09. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... DISCUSSION... A TROUGH OF LOW PRESSURE WILL MOVE THROUGH THE AREA THIS MORNING. INITIAL LIGHT WEST WINDS WILL BECOME NORTHEAST AROUND 10 KNOTS FROM 11 AM UNTIL 1 PM. THEN THE PRESSURE GRADIENT WILL WEAKEN AND WINDS WILL BECOME MORE VARIABLE. WEST TO WEST-SOUTHWEST WINDS AROUND 5 KNOTS WILL RETURN BETWEEN 1 AND 2 PM THIS AFTERNOON. THE MODELS ARE CONSISTENT FORECASTING WEST- SOUTHWEST WINDS THIS AFTERNOON. WIND VARIABILITY THIS AFTERNOON...MAINLY AFTER 200 PM...WOULD BE ASSOCIATED WITH A POSSIBLE THUNDERSTORM NEAR THE AREA. THE HIGHEST TEMPERATURES WILL OCCUR BETWEEN 200 PM AND 600 PM WITH READINGS NEAR 100. THE HEAT INDEX WILL LIKELY BE IN THE LOWER 90S AT 10 AM...UPPER 90S AT 11 AM...AND AROUND 100 AT NOON. THE HEAT INDEX SHOULD BE IN THE 100 TO 105 RANGE DURING THE REST OF THE AFTERNOON. THE LOWEST RELATIVE HUMIDITY WILL LIKELY BE AROUND 30 PERCENT. EXPECT HUMIDITIES 30 TO 35 PERCENT DURING THE 200 PM TO 500 PM PERIOD. THE STRONG HEATING AND SLIGHT INCREASE IN MOISTURE WILL LEAD TO WIDELY SCATTERED THUNDERSTORMS THIS AFTERNOON. IF ANY THUNDERSTORMS DO DEVELOP NEAR YOUR AREA THERE COULD BE STRONG GUSTY WINDS BECAUSE OF STRONG INSTABILITY. .REST OF TODAY... TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%)..............0 39 45 9 12 16 23 32 WEATHER COV.......... SCH SCH SCH SCH WEATHER TYPE......... TSM TSM TSM TSM TEMP.................89 92 95 97 98 100 101 100 MIN HUMIDITY.........56 49 43 39 37 33 31 32 20 FT WIND DIR.......W W W W W W W W 20 FT WIND DIR.......270 040 060 060 270 270 260 260 20 FT WIND SPD....... 3 8 8 6 7 8 9 8 20 FT WIND GUST...... 6 10 10 9 9 10 10 10 MIX HGT (KFT)........2.0 2.5 5.1 6.1 6.1 6.1 6.1 6.1 TRANSP WIND DIR......W NE NE NE W W W W TRANSP WIND SPD......7 8 9 9 10 10 10 10 .TONIGHT... TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)..............39 49 58 61 63 66 WEATHER COV..........S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE.........TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP.................98 91 86 81 78 76 MIN HUMIDITY.........34 45 57 67 76 82 WIND (20 FT).........W 9 W 6 W 4 W 2 W 2 W 2 20 FT WIND GUST......15 15 5 5 5 5 MIX HGT (FT).........6100 1800 300 300 300 300 TRANSPORT WINDS......W 10 W 12 W 10 NW 9 NW 7 NW 6 .SATURDAY... TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)..............69 71 70 68 67 65 WEATHER COV..........S CHC CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE.........TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP.................75 77 85 91 95 95 MIN HUMIDITY.........84 82 65 52 45 45 WIND (20 FT).........W 2 W 4 W 6 W 7 W 9 W 9 20 FT WIND GUST......5 5 10 15 15 15 MIX HGT (FT).........300 1000 3600 5300 6500 6600 TRANSPORT WINDS......W 6 W 7 W 10 W 13 W 14 W 14 $$ FORECASTER...HAWKS REQUESTED BY...BILL CROLLY TYPE OF REQUEST...PRESCRIBED .TAG 20100709.COMPT.02/CAE