FNUS73 KDVN 171447 FWSDVN SPOT FORECAST FOR CORNLAND...USFWS NATIONAL WEATHER SERVICE QUAD CITIES IA IL 947 AM CDT SAT MAR 17 2012 FORECAST IS BASED ON REQUEST TIME OF 0939 CDT ON MARCH 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SOUTH WINDS WITHIN AN EXTRAORDINARILY WARM AND MOIST AIRMASS WILL REMAIN OVER THE REGION THROUGH SUNDAY. WEAK UPPER LEVEL IMPULSES WILL KEEP A THREAT FOR ISOLATED SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT...MAINLY SOUTH AND EAST OF A LINE FROM FREEPORT ILLINOIS TO IOWA CITY IOWA. WELL CURED FUELS COMBINED WITH BREEZY CONDITIONS WILL DRIVE THE GFDI INTO THE VERY HIGH RANGE THIS AFTERNOON. HOWEVER...RELATIVE HUMIDITY REMAINS ABOVE 40 PERCENT AND SHOULD HELP MITIGATE THESE CONDITIONS. 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.........MOSTLY SUNNY (40-50 PERCENT). TEMPERATURE.........68 AT REQUEST...MAX 81. RH..................78 PERCENT AT REQUEST...MIN 47 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 10 TO 17 MPH INCREASING TO 17 TO 21 MPH IN THE AFTERNOON. WIND SHIFT..........NONE. CWR.................10 PERCENT. LAL.................1. HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......200-1600 FT AGL INCREASING TO 5800 FT AGL. TRANSPORT WINDS.....SOUTH 10 TO 18 MPH INCREASING TO 23 TO 31 MPH IN THE LATE MORNING AND AFTERNOON. GFDI................7 INCREASING TO 24. TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............65 71 76 79 79 RH..............78 68 58 50 50 EYE LEVEL WIND..S 10 S 11 S 12 S 15 S 14 EYE LVL WND GST.20 25 25 30 30 MIX HGT (FT)....900 3000 5000 5800 5500 TRANSPORT WIND..S 18 S 26 S 31 S 30 S 30 HAINES INDEX....3 3 4 5 5 GFDI............6 11 17 27 24 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). TEMPERATURE.........MIN 59. RH..................MAX 93 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 10 TO 15 MPH. WIND SHIFT..........NONE. CWR.................10 PERCENT. LAL.................1. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......4100 FT AGL DECREASING TO 300-1900 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 22 TO 31 MPH DECREASING TO 17 TO 18 MPH IN THE LATE EVENING AND OVERNIGHT. GFDI................8. .SUNDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). TEMPERATURE.........MAX 79. RH..................MIN 54 PERCENT. EYE LEVEL WINDS.....SOUTH WINDS 10 TO 18 MPH INCREASING TO 16 TO 20 MPH IN THE AFTERNOON. WIND SHIFT..........NONE. CWR.................10 PERCENT. LAL.................2 HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......500-2200 FT AGL INCREASING TO 3200-4900 FT AGL LATE IN THE MORNING...THEN DECREASING TO 1600 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 16 TO 24 MPH INCREASING TO 28 TO 30 MPH IN THE AFTERNOON. GFDI................7 INCREASING TO 16 IN THE LATE MORNING AND AFTERNOON. $$ FORECASTER...NICHOLS REQUESTED BY...ERIK ACKER TYPE OF REQUEST...WILDFIRE .TAG 20120317.CORNL.01/DVN