FNUS72 KGSP 311315 FWSGSP SPOT FORECAST FOR TOWERS FIRE...USFS NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC 915 AM EDT SAT JUL 31 2010 FORECAST IS BASED ON REQUEST TIME OF 0856 EDT ON JULY 31. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... AN UPPER LEVEL TROUGH WILL MOVE OFF THE EAST COAST OVER THE WEEKEND...THEN AN UPPER RIDGE WILL MOVE INTO THE AREA FROM THE WEST EARLY NEXT WEEK. NUMEROUS SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS THE FOOTHILLS OF NORTH CAROLINA...MAINLY THIS AFTERNOON. SOME OF THE THUNDERSTORMS COULD BE SEVERE WITH DAMAGING WIND GUSTS THE MAIN THREAT. INCREASING LOW LEVEL MOISTURE WILL KEEP MIN RH RELATIVELY HIGH THIS AFTERNOON... WITH A CORRESPONDINGLY RELATIVELY LOW MIXING HEIGHT FOR THIS TIME OF YEAR. WIND WILL BE TRICKY AS AT THE SURFACE BELOW 1000 FEET IT SHOULD BE EAST TO SOUTHEAST...BUT WILL VEER WITH HEIGHT TO SOUTHEAST AND THEN SOUTH FROM 1000 FEET TO 4000 FEET MSL...THEN WEST ABOVE 6000 FEET. .TODAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). A CHANCE OF SHOWERS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 73. MIN HUMIDITY........74 PERCENT. WIND (20 FT)........LIGHT WINDS...BECOMING SOUTHEAST 5 TO 6 MPH LATE IN THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT.......900-2800 FT AGL...INCREASING TO 2900-3100 FT AGL LATE. TRANSPORT WINDS.....SOUTH 6 TO 8 MPH. TRANSPORT WINDS.....SOUTH 6 TO 8 MPH. TIME (EDT) 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............90 92 93 91 93 WEATHER COV.........CHANCE CHANCE CHANCE LIKELY LIKELY WEATHER TYPE........RNSHWR RNSHWR TSTORM TSTORM TSTORM TEMP................66 69 71 73 73 MIN HUMIDITY........82 76 74 76 81 WIND (20 FT)........S 3 S 3 S 4 S 4 S 3 20 FT WIND GUST.....5 5 5 5 5 MIX HGT (FT)........1500 1900 2200 2600 2900 TRANSPORT WINDS.....S 6 SE 6 SE 6 S 6 S 8 TRANSPORT WINDS.....S 6 SE 6 SE 6 S 6 S 8 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SHOWERS AND THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE EVENING. PATCHY FOG LATE IN THE EVENING. PATCHY FOG LATE. MIN TEMPERATURE.....AROUND 64. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE EVENING...BECOMING LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE EVENING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE EVENING. MIXING HEIGHT.......1200-2800 FT AGL. TRANSPORT WINDS.....EAST 2 TO 8 MPH. TRANSPORT WINDS.....EAST 2 TO 8 MPH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............93 94 89 85 80 71 WEATHER COV.........LIKELY DEFNTE LIKELY CHANCE CHANCE CHANCE WEATHER TYPE........TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP................72 69 67 66 65 64 MIN HUMIDITY........87 95 100 100 100 100 WIND (20 FT)........S 2 S 2 S 2 S 2 SW 2 N 1 20 FT WIND GUST.....5 5 5 5 5 MIX HGT (FT)........2800 2100 1500 1300 1300 1300 TRANSPORT WINDS.....S 8 SE 6 SE 5 SE 3 E 3 E 2 TRANSPORT WINDS.....S 8 SE 6 SE 5 SE 3 E 3 E 2 .SUNDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). PATCHY FOG EARLY IN THE MORNING. A CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 77. MIN HUMIDITY........71 PERCENT. WIND (20 FT)........LIGHT WINDS...BECOMING SOUTHEAST 5 TO 6 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......1300-3000 FT AGL...INCREASING TO 3400-4300 FT AGL EARLY IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 2 TO 6 MPH. TRANSPORT WINDS.....SOUTHEAST 2 TO 6 MPH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............71 77 75 73 71 68 WEATHER COV.........CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE........TSTORM RNSHWR RNSHWR TSTORM TSTORM TSTORM TEMP................64 66 70 74 76 76 MIN HUMIDITY........100 97 87 78 71 72 WIND (20 FT)........NE 1 NE 2 NE 1 E 2 SE 4 SE 5 20 FT WIND GUST..... 5 5 10 10 MIX HGT (FT)........1300 1400 2000 2700 3400 4000 TRANSPORT WINDS.....E 2 NE 3 E 3 E 5 SE 6 SE 6 TRANSPORT WINDS.....E 2 NE 3 E 3 E 5 SE 6 SE 6 $$ FORECASTER...MOORE REQUESTED BY...KERRI LYDA TYPE OF REQUEST...WILDFIRE .TAG 20100731.TOWER.01/GSP