FNUS73 KDVN 041403 FWSDVN SPOT FORECAST FOR TWIN FAWNS PRAIRIE SAVANNA BURN PLAN 9...JOHNSON COUNTY CONSERVATION BOARD NATIONAL WEATHER SERVICE QUAD CITIES IA IL 903 AM CDT THU APR 4 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 04. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A WEAK COLD FRONT WILL MOVE THROUGH THE AREA TODAY...SWITCHING THE WINDS FROM SOUTHWEST THIS MORNING...TO NORTHWEST LATE IN THE AFTERNOON. OVERNIGHT WINDS WILL BE FROM THE NORTH. HIGHS IN THE 50S TODAY WITH PLENTY OF SUNSHINE IS EXPECTED. THE GRASSLAND FIRE DANGER INDEX -GFDI- DOES NOT ACCOUNT FOR PRECIPITATION THAT OCCURS OR ANY SNOW ON THE GROUND. PLEASE MAKE APPROPRIATE ADJUSTMENTS. .TODAY... SKY/WEATHER.........SUNNY (20-30 PERCENT). TEMPERATURE.........46 AT IGNITION...MAX 59. RH..................44 PERCENT AT IGNITION...MIN 33 PERCENT. EYE LEVEL WINDS.....NORTHWEST WINDS 6 TO 13 MPH. WIND SHIFT..........WEST SOUTHWEST SHIFTING TO NORTHWEST. CWR.................0 PERCENT. LAL.................1. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......100-1800 FT AGL INCREASING TO 5200 FT AGL. TRANSPORT WINDS.....SOUTHWEST 6 TO 13 MPH SHIFTING TO THE NORTHWEST 15 TO 17 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 10 AM NOON 2 PM 4 PM 6 PM SKY COVER.......MCLEAR MCLEAR MCLEAR PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............46 52 56 59 58 RH..............44 38 36 33 36 EYE LEVEL WIND..SW 8 W 9 W 9 W 9 NW 8 EYE LVL WND GST.15 15 15 15 15 MIX HGT (FT)....2600 3800 4700 5200 4600 TRANSPORT WIND..W 16 W 16 W 16 W 17 NW 17 HAINES INDEX....4 5 5 5 4 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). TEMPERATURE.........MIN 31. RH..................MAX 77 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 7 TO 12 MPH. WIND SHIFT..........NORTHWEST SHIFTING TO NORTH. CWR.................0 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......3000-4300 FT AGL DECREASING TO 200-1700 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....NORTH 7 TO 16 MPH DECREASING TO AROUND 6 MPH EARLY IN THE MORNING. .FRIDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). TEMPERATURE.........MAX 57. RH..................MIN 35 PERCENT. EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 14 MPH. WIND SHIFT..........NORTHEAST SHIFTING TO SOUTHEAST. CWR.................0 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......300-1700 FT AGL INCREASING TO 2400-4200 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....NORTH AROUND 6 MPH SHIFTING TO THE SOUTH 6 TO 13 MPH EARLY IN THE MORNING...THEN INCREASING TO 16 TO 21 MPH LATE IN THE AFTERNOON. $$ FORECASTER...PIERCE REQUESTED BY...DAVID WEHDE TYPE OF REQUEST...PRESCRIBED .TAG 20130404.TWINF.01/DVN