FNUS71 KRNK 081431 FWSRNK SPOT FORECAST FOR COVE MOUNTAIN...USFS NATIONAL WEATHER SERVICE BLACKSBURG VA 1031 AM EDT SUN APR 8 2012 FORECAST IS BASED ON REQUEST TIME OF 1027 EDT ON APRIL 08. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE AND A DRY AIR MASS WILL GRADUALLY SHIFT EAST OF THE REGION TODAY AS A DRY COLD FRONT APPROACHES THE AREA FROM THE NORTHWEST. MINIMUM RELATIVE HUMIDITY VALUES OF 15 TO 25 PERCENT ARE EXPECTED FOR SEVERAL HOURS. IN ADDITION...NORTHWEST WINDS WILL INCREASE DURING THE DAY...GUSTING AS HIGH AS 35 MPH OVER SOME OF THE HIGHER ELEVATIONS. RELATIVE HUMIDITIES WILL RECOVER SLIGHTLY LATER IN THE DAY ...BUT FUEL MOISTURES RANGING TO 7 TO 12 PERCENT AND DRY WINDS WILL STILL CREATE AN ENHANCED FIRE DANGER POTENTIAL. GUSTY WEST WINDS AND RELATIVE HUMIDITY VALUES IN THE 20S ARE ANTICIPATED MONDAY. BEYOND MONDAY...MUCH COLDER AIR WILL SPILL INTO THE AREA AS AN UPPER LOW DIGS SOUTHWARD INTO THE CENTRAL AND SOUTHERN APPALACHIANS. THIS PATTERN WILL RESULT IN INCREASED OROGRAPHIC RAIN SHOWERS...MAINLY AFFECTING THE WEST VIRGINIA COUNTIES WITHIN THE FORECAST AREAS. NO SIGNIFICANT RAINFALL IS EXPECTED...THUS OVERALL FUELS ARE EXPECTED TO REMAIN DRY. HOWEVER...THE MUCH COLDER TEMPERATURES WILL RESULT IN CONSIDERABLY HIGHER RELATIVE HUMIDITY VALUES ACROSS THE REGION THAN ARE BEING OBSERVED THIS WEEKEND. THIS COULD POTENTIALLY RELIEVE THE HIGH FIRE DANGER POTENTIAL CURRENTLY BEING OBSERVED ACROSS THE REGION. .TODAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). MAX TEMPERATURE.....AROUND 72. MIN HUMIDITY........19 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 9 TO 14 MPH WITH GUSTS UP TO 25 MPH LATE IN THE MORNING. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......1700 FT AGL...INCREASING TO 6900 FT AGL. TRANSPORT WINDS.....WEST 0 TO 9 MPH...INCREASING TO 24 TO 29 MPH. MIXING HEIGHT.......1700 FT AGL...INCREASING TO 6900 FT AGL. TRANSPORT WINDS.....WEST 0 TO 9 MPH...INCREASING TO 24 TO 29 MPH. HAINES INDEX........4 TO 5 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS...BECOMING WEST 9 TO 14 MPH LATE IN THE MORNING. TIME (EDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............52 52 51 50 49 49 49 49 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................52 55 58 61 64 67 69 71 RH..................47 38 30 25 22 20 19 19 20 FT WIND DIR......W W W W W W W W 20 FT WIND SPD......3 4 6 8 10 11 11 11 20 FT WIND GUST.....5 10 15 20 25 25 25 25 EYE LVL WND DIR.....W W W W W W W W EYE LVL WND SPD.....2 3 4 6 7 8 8 8 EYE LVL WND GST.....5 10 15 20 25 25 25 25 MIX HGT (KFT).......1.7 2.4 3.4 4.5 5.5 6.0 6.4 6.9 TRANSP WIND DIR.....W W W W W W W W TRANSP WIND SPD.....6 9 14 17 22 24 26 29 CWR.................0 0 0 0 0 0 0 0 HAINES INDEX........5 5 5 5 5 5 4 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). MIN TEMPERATURE.....AROUND 43. MAX HUMIDITY........62 PERCENT. WIND (20 FT)........WEST WINDS 9 TO 14 MPH WITH GUSTS UP TO 25 MPH UNTIL EARLY MORNING...BECOMING LIGHT AND VARIABLE. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......4600 FT AGL...DECREASING TO 1600 FT AGL. TRANSPORT WINDS.....NORTHWEST 28 TO 35 MPH...DECREASING TO 16 TO 22 MPH LATE. MIXING HEIGHT.......4600 FT AGL...DECREASING TO 1600 FT AGL. TRANSPORT WINDS.....NORTHWEST 28 TO 35 MPH...DECREASING TO 16 TO 22 MPH LATE. HAINES INDEX........2 TO 5 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. EYE LEVEL WINDS.....WEST WINDS 9 TO 14 MPH UNTIL EARLY MORNING...BECOMING LIGHT AND VARIABLE. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).............48 47 45 40 34 28 21 16 12 11 12 15 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................68 65 62 60 58 55 54 52 51 50 49 48 RH..................22 26 31 35 39 42 46 48 51 53 54 56 20 FT WIND DIR......W NW NW NW NW NW NW W W W W W 20 FT WIND SPD......11 10 9 8 7 6 6 5 5 4 3 2 20 FT WIND GUST.....25 25 20 20 15 15 15 10 10 10 5 5 EYE LVL WND DIR.....W NW NW NW NW NW NW W W W W W EYE LVL WND SPD.....8 8 7 6 5 5 4 4 4 3 2 2 EYE LVL WND GST.....25 25 20 20 15 15 15 10 10 10 5 5 MIX HGT (KFT).......6.4 5.9 5.4 5.0 4.6 4.1 3.7 3.3 2.9 2.4 2.0 1.6 TRANSP WIND DIR.....W NW NW NW NW NW NW NW NW NW NW NW TRANSP WIND SPD.....30 31 32 33 33 33 35 33 32 28 22 16 CWR.................0 0 10 10 10 10 10 10 10 10 10 10 HAINES INDEX........4 3 3 3 2 2 2 3 4 5 5 5 .MONDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 69. MIN HUMIDITY........21 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING WEST 9 TO 14 MPH WITH GUSTS UP TO 25 MPH IN THE LATE MORNING AND AFTERNOON. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......2500 FT AGL...INCREASING TO 9700 FT AGL. TRANSPORT WINDS.....WEST 10 TO 15 MPH...INCREASING TO 33 TO 35 MPH. MIXING HEIGHT.......2500 FT AGL...INCREASING TO 9700 FT AGL. TRANSPORT WINDS.....WEST 10 TO 15 MPH...INCREASING TO 33 TO 35 MPH. HAINES INDEX........4 TO 6 OR OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. EYE LEVEL WINDS.....LIGHT AND VARIABLE WINDS...BECOMING WEST 9 TO 14 MPH IN THE LATE MORNING AND AFTERNOON. TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).............18 22 26 26 27 28 31 37 42 47 51 54 WEATHER COV......... WEATHER TYPE........ TSTM COV............ TEMP................46 44 46 49 53 57 59 61 64 65 66 67 RH..................59 62 57 47 39 33 30 28 25 24 22 21 20 FT WIND DIR......W W SW SW W W W W W W W W 20 FT WIND SPD......2 2 2 3 6 8 9 10 10 10 11 11 20 FT WIND GUST.....5 5 5 10 15 20 20 25 25 25 25 25 EYE LVL WND DIR.....W W SW SW W W W W W W W W EYE LVL WND SPD.....2 2 1 2 4 6 7 7 7 8 8 8 EYE LVL WND GST.....5 5 5 10 15 20 20 25 25 25 25 25 MIX HGT (KFT).......1.4 1.2 1.0 2.5 4.0 5.5 6.3 7.0 7.8 8.4 9.1 9.7 TRANSP WIND DIR.....NW W W W W NW W W W W W W TRANSP WIND SPD.....13 10 10 15 22 28 29 26 26 30 33 35 CWR.................10 10 10 10 10 10 10 10 10 10 10 10 HAINES INDEX........5 4 4 4 4 4 4 5 5 5 6 6 $$ FORECASTER...WERT REQUESTED BY...JOHN MONCURE TYPE OF REQUEST...WILDFIRE .TAG 20120408.COVEM.01/RNK