FNUS71 KRNK 272108 FWSRNK SPOT FORECAST FOR UPPER CRAIGS CREEK...USDA FOREST SERVICE NATIONAL WEATHER SERVICE BLACKSBURG VA 408 PM EST MON FEB 27 2012 FORECAST IS BASED ON IGNITION TIME OF 1130 EST ON FEBRUARY 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A COLD FRONT IS FORECAST TO MOVE ACROSS THE APPALACHIANS THIS EVENING SHIFTING WINDS TO THE NORTHWEST OVERNIGHT. ALTHOUGH CLEAR SKIES ARE EXPECTED...AIR BEHIND THIS FRONT AIR IS NOT ESPECIALLY COOL WITH LOWS FALLING TO UPPER 20S TO LOW 30S IN THE MOUNTAINS. SURFACE RIDGE OF HIGH PRESSURE WILL SLIDE EASTWARD RAPIDLY ON TUESDAY WITH SURFACE WINDS SHIFTING AGAIN... GENERALLY TO THE SOUTHEAST BY LATE AFTERNOON BUT REMAINING FAIRLY LIGHT. TEMPS WILL WARM TO THE MID-50S BY TUESDAY AFTERNOON WITH RELATIVE HUMIDITIES FALLING MAINLY INTO THE 30 TO 35 PERCENT RANGE DURING THE LATE AFTERNOON. CHANCES FOR PRECIPITATION WILL INCREASE SHARPLY ON WEDNESDAY AS STRONG LOW PRESSURE WINDS UP OVER THE MIDWEST AND PULLS A WARM FRONT NORTHWARD ACROSS THE AREA. .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....AROUND 30. MAX HUMIDITY........73 PERCENT. WIND (20 FT)........NORTHWEST WINDS 12 TO 15 MPH WITH GUSTS UP TO 25 MPH. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......300 FT AGL IN THE MORNING RISING TO AROUND 2500 FT AGL BY AFTERNOON. TRANSPORT WINDS.....SOUTH 0 TO 6 MPH. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............23 15 10 6 3 1 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................51 44 41 39 37 36 RH..................51 58 64 65 65 63 20 FT WIND..........W 10 W 12 NW 12 NW 12 NW 11 NW 11 20 FT WIND GUST.....20 25 25 25 20 20 CWR.................0 0 10 10 0 0 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). MAX TEMPERATURE.....AROUND 53. MIN HUMIDITY........33 PERCENT. WIND (20 FT)........NORTHWEST WINDS 7 TO 12 MPH WITH GUSTS UP TO 20 MPH EARLY IN THE MORNING...BECOMING LIGHT AND VARIABLE...THEN BECOMING SOUTH 5 TO 8 MPH EARLY IN THE AFTERNOON. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......1800 FT AGL. TRANSPORT WINDS.....SOUTH 0 TO 8 MPH...INCREASING TO 10 TO 13 MPH LATE. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............1 9 23 38 50 59 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................33 34 41 46 50 52 RH..................68 68 56 45 36 33 20 FT WIND..........NW 10 NW 6 NW 3 SW 2 S 4 S 6 20 FT WIND GUST.....20 15 5 5 10 15 CWR.................10 10 10 10 10 10 $$ FORECASTER...CORRIGAN REQUESTED BY...ZAC PENNINGTON TYPE OF REQUEST...PRESCRIBED .TAG 20120228.UPPER.01/RNK