FNUS73 KSGF 171503 FWSSGF SPOT FORECAST FOR 17 EAST...MO DNR NATIONAL WEATHER SERVICE SPRINGFIELD MO 1003 AM CDT WED AUG 17 2011 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON AUGUST 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... HIGH PRESSURE BUILDING INTO THE REGION TODAY BEHIND A WEAK COLD FRONT WILL MAINTAIN NORTHERLY WINDS THROUGH TONIGHT. HUMIDITY VALES WILL DIFFER LITTLE BEHIND THE FRONT WITH AROUND 50 PERCENT HUMIDITY VALUES EXPECTED. ADDITIONAL SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AGAIN THURSDAY AFTERNOON INTO FRIDAY AS ANOTHER COLD FRONT AND ASSOCIATED THUNDERSTORMS MOVE INTO THE REGION. WINDS WILL SHIFT FROM EASTERLY TO SOUTHERLY AS A RESULT OF THE APPROACHING STORM SYSTEM. COVERAGE AND INTENSITY OF THE STORMS WILL INCREASE LATE IN THE DAY THURSDAY INTO FRIDAY. .TODAY... SKY/WEATHER.........SUNNY. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. MAX TEMPERATURE.....84 AT IGNITION...MAX 91. MIN HUMIDITY........65 PERCENT AT IGNITION...MIN 51 PERCENT. 20-FOOT WINDS.......WINDS NORTH AT 4 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING NORTH 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE MORNING. WIND SHIFT..........NONE. CHANCE OF PRECIP....10 PERCENT. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH AT IGNITION...MAX 4. MIXING HEIGHT.......1500 FT AGL AT IGNITION...MAXIMUM 2000 FT AGL INCREASING TO 4500 FT AGL. TRANSPORT WINDS.....NORTHEAST 7 TO 12 MPH. TIME (CDT) 11 AM 1 PM 3 PM 5 PM SKY (%).........MCLEAR PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............84 88 90 89 RH..............65 56 53 53 20 FT WIND......N 3 N 5 N 6 N 6 20 FT WIND GUST.5 10 15 15 MIX HGT (FT)....1500 2500 3700 4500 TRANSPORT WIND..N 8 N 9 N 10 NE 12 CHC OF PCPN (%).10 10 10 10 HAINES INDEX....4 4 3 3 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY. MAX TEMPERATURE.....MAX 91. MIN HUMIDITY........MIN 49 PERCENT. 20-FOOT WINDS.......EAST WINDS AROUND 5 MPH EARLY IN THE MORNING BECOMING LIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. WIND SHIFT..........EAST EARLY...BECOMING SOUTH BY AFTERNOON. CHANCE OF PRECIP....20 PERCENT. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......700 FT AGL. TRANSPORT WINDS.....SOUTHWEST 5 TO 8 MPH. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........MCLDY MCLDY MCLDY PCLDY PCLDY PCLDY WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............72 75 82 87 90 91 RH..............89 83 68 60 54 49 20 FT WIND......E 4 E 4 SE 3 SE 3 S 3 S 4 20 FT WIND GUST.10 10 5 5 5 10 MIX HGT (FT)....300 300 300 400 500 500 TRANSPORT WIND..E 8 E 7 SE 6 S 5 S 5 S 7 CHC OF PCPN (%).20 20 20 20 20 20 HAINES INDEX....5 5 5 5 5 5 .FRIDAY... SKY/WEATHER.........PARTLY CLOUDY. CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....MIN 73. MAX HUMIDITY........MAX 64 PERCENT. 20-FOOT WINDS.......SOUTH WINDS 5 TO 7 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. WIND SHIFT..........NONE. CHANCE OF PRECIP....30 PERCENT. HAINES INDEX........4 TO 6 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH TO HIGH POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4600 FT AGL. TRANSPORT WINDS.....SOUTHWEST 6 TO 13 MPH. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........PCLDY PCLDY PCLDY MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY PCLDY PCLDY PCLDY WEATHER COV.....S CHC CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............89 84 79 78 76 75 74 77 84 88 91 93 RH..............54 62 69 73 76 79 81 75 62 54 50 47 20 FT WIND......S 4 SE 4 SE 4 SE 4 SE 5 SE 5 SE 5 SE 5 S 6 S 5 S 5 S 5 20 FT WIND GUST.10 10 10 10 10 10 10 10 15 10 10 10 MIX HGT (FT)....800 700 200 200 200 300 300 200 300 1200 2800 4400 TRANSPORT WIND..SW 8 SW 9 S 9 S 9 S 9 S 9 SW 9 SW 8 S 7 S 6 S 7 SW 10 CHC OF PCPN (%).20 30 30 30 30 30 30 20 20 20 20 20 HAINES INDEX....6 6 6 5 5 4 5 5 5 5 5 4 $$ FORECASTER...HATCH REQUESTED BY...BRIAN MILLER TYPE OF REQUEST...PRESCRIBED .TAG 20110817.17EAS.01/SGF