FNUS73 KSGF 211342 FWSSGF SPOT FORECAST FOR 3 SISTERS RX...USDA FOREST SERVICE NATIONAL WEATHER SERVICE SPRINGFIELD MO 842 AM CDT MON MAR 21 2011 FORECAST IS BASED ON IGNITION TIME OF 0840 CDT ON MARCH 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WINDS WILL INCREASE FROM THE SOUTH THROUGH LATE MORNING AND EARLY AFTERNOON AS A STORM SYSTEM DEEPENS OVER THE SOUTHWEST U.S. DEWPOINT TEMPERATURES SHOULD REMAIN NEARLY STEADY AROUND 50 DEGREES WITH RH VALUES DROPPING TO AROUND 35 TO 40 PERCENT BY MID AFTERNOON. .TODAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....65 AT IGNITION...MAX 80. MIN HUMIDITY........66 PERCENT AT IGNITION...MIN 39 PERCENT. 20-FOOT WINDS.......WINDS SOUTH AT 5 TO 10 MPH AT IGNITION...OTHERWISE ...BECOMING SOUTH 10 TO 15 WITH GUSTS TO AROUND 20 MPH BY LATE MORNING/EARLY AFTERNOON. WIND SHIFT..........NONE. CHANCE OF PRECIP....10 PERCENT. HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 3. MIXING HEIGHT.......700 FT AGL AT IGNITION...MAXIMUM 1800 FT AGL INCREASING TO 4200 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 14 TO 18 MPH. TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............61 67 72 76 79 RH..............66 57 50 44 39 20 FT WIND......S 4 S 4 S 10 S 15 S 12 20 FT WIND GUST.5 10 15 20 20 MIX HGT (FT)....500 900 1800 3100 4200 TRANSPORT WIND..SW 14 SW 14 SW 14 SW 16 SW 17 CHC OF PCPN (%).10 10 10 10 10 HAINES INDEX....2 2 3 3 3 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY. MIN TEMPERATURE.....MIN 53. MAX HUMIDITY........MAX 82 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 6 TO 8 MPH. WIND SHIFT..........NONE. CHANCE OF PRECIP....10 PERCENT. HAINES INDEX........3 TO 4 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......N/A. TRANSPORT WINDS.....N/A. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........PCLDY PCLDY PCLDY MCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............76 69 65 61 59 58 RH..............40 50 58 67 75 79 20 FT WIND......S 6 S 5 S 5 S 5 S 5 S 5 20 FT WIND GUST.15 10 10 10 10 10 MIX HGT (FT)....3900 2400 700 400 500 400 TRANSPORT WIND..SW 21 SW 24 SW 29 SW 32 SW 33 SW 31 CHC OF PCPN (%).10 10 10 10 10 10 HAINES INDEX....3 3 3 4 4 4 .TUESDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....MAX 76. MIN HUMIDITY........MIN 39 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 6 TO 15 MPH. GUSTS UP TO 30 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. WIND SHIFT..........NONE. CHANCE OF PRECIP....20 PERCENT. HAINES INDEX........3 TO 4 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2200 FT AGL INCREASING TO 2400 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 29 TO 36 MPH INCREASING TO SOUTHWEST 39 TO 46 MPH LATE IN THE AFTERNOON. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV..... S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....NONE TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............56 56 63 69 73 76 RH..............84 82 63 51 43 39 20 FT WIND......S 5 S 5 S 8 S 9 S 10 S 11 20 FT WIND GUST.10 10 15 20 25 30 MIX HGT (FT)....300 700 1500 1800 2000 2200 TRANSPORT WIND..SW 30 SW 29 SW 30 S 32 S 36 SW 43 CHC OF PCPN (%).10 20 20 20 20 20 HAINES INDEX....4 4 4 4 4 3 $$ FORECASTER...TERRY REQUESTED BY...REGGIE BRAY TYPE OF REQUEST...PRESCRIBED .TAG 20110321.3SIST.01/SGF