FNUS71 KRNK 021927 FWSRNK SPOT FORECAST FOR SANDSTONE RX...NPS NATIONAL WEATHER SERVICE BLACKSBURG VA 327 PM EDT TUE APR 2 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 03. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... GUSTY NORTHWEST WINDS WILL DIMINISH THIS EVENING INTO TONIGHT. A STRONG INVERSION MAY FORM OVERNIGHT AND MAY TAKE TO MID MORNING TO ERODE. LOW RELATIVE HUMIDITY LEVELS AROUND 20 PERCENT WILL RECOVER TO AROUND 65 PERCENT TONIGHT. HIGH PRESSURE WILL BUILD SOUTHEAST ACROSS THE REGION TONIGHT INTO WEDNESDAY. AFTERNOON RELATIVE HUMIDITIES WILL DROP TO MINIMUMS AROUND 25 PERCENT. NORTHWEST WINDS WILL DEVELOP AGAIN WEDNESDAY AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 60. MIN HUMIDITY........25 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST 6 TO 10 MPH WITH GUSTS UP TO 20 MPH IN THE AFTERNOON. CWR (0.01 IN).......10 PERCENT. MIXING HEIGHT.......6700 FT AGL. TRANSPORT WINDS.....WEST 16 TO 22 MPH. HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............51 53 27 17 26 29 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................34 35 42 43 45 48 RH..................68 50 34 30 29 25 20 FT WIND..........S 2 E 2 E 2 N 5 NW 7 NW 8 20 FT WIND GUST.....5 5 10 15 15 20 MIX HGT (FT)........5000 4800 5600 6200 6600 6700 TRANSPORT WIND......NW 16 NW 20 NW 22 W 21 W 20 W 18 CWR.................10 0 0 0 0 0 HAINES INDEX........2 2 2 3 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). MIN TEMPERATURE.....AROUND 26. MAX HUMIDITY........64 PERCENT. WIND (20 FT)........NORTHWEST WINDS 5 TO 8 MPH EARLY IN THE EVENING...BECOMING LIGHT AND VARIABLE. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......4800 FT AGL...DECREASING TO 3000 FT AGL LATE. TRANSPORT WINDS.....NORTHWEST 15 TO 21 MPH. HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).............21 16 15 11 9 9 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................47 43 39 35 33 31 RH..................26 31 39 46 52 55 20 FT WIND..........NW 6 NW 4 NW 1 NW 0 NW 1 NW 1 20 FT WIND GUST.....15 10 MIX HGT (FT)........6600 6100 5600 5200 4800 4100 TRANSPORT WIND......W 21 W 20 NW 20 NW 18 NW 17 NW 16 CWR.................0 0 0 0 0 0 HAINES INDEX........4 3 2 2 2 3 .WEDNESDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........22 PERCENT. WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING NORTHWEST 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. CWR (0.01 IN).......0 PERCENT. MIXING HEIGHT.......5400 FT AGL...INCREASING TO 5700 FT AGL EARLY IN THE AFTERNOON. TRANSPORT WINDS.....NORTHWEST 10 TO 17 MPH. HAINES INDEX........2 TO 4 OR OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).............8 7 7 6 7 9 WEATHER COV......... WEATHER TYPE........NONE NONE NONE NONE NONE NONE TSTM COV............ TEMP................29 30 36 42 46 48 RH..................60 54 38 28 24 22 20 FT WIND..........NW 1 NW 2 NW 4 NW 6 NW 7 NW 6 20 FT WIND GUST..... 5 10 15 15 15 MIX HGT (FT)........3700 3500 4500 5100 5700 5700 TRANSPORT WIND......NW 13 NW 10 NW 13 NW 16 NW 17 NW 17 CWR.................0 0 0 0 0 0 HAINES INDEX........3 4 3 3 2 2 $$ FORECASTER...KOSTURA REQUESTED BY...PEGGY AINSLIE TYPE OF REQUEST...PRESCRIBED .TAG 20130403.SANDS.01/RNK