FNUS73 KDVN 081220 FWSDVN SPOT FORECAST FOR DESERET...USFWS NATIONAL WEATHER SERVICE QUAD CITIES IA IL 720 AM CDT WED MAY 8 2013 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MAY 08. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SLOW MOVING WEAK STORM SYSTEM WILL MOVE FROM NEBRASKA THROUGH IOWA INTO ILLINOIS FROM TODAY TO FRIDAY. AFTER ANOTHER SUNNY MORNING IN EASTERN IOWA AND ILLINOIS...CLOUDS AND SHOWER AND THUNDERSTORMS WILL SPREAD OVER THE REGION FROM WEST TO EAST LATE THIS AFTERNOON AND TONIGHT...LASTING INTO EARLY FRIDAY. RAINFALL OF 0.25 TO 1 INCH IS LIKELY FROM THIS SYSTEM. WINDS WILL REMAIN LIGHT TODAY AND TONIGHT. 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 (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. TEMPERATURE.........61 AT IGNITION...MAX 74. RH..................66 PERCENT AT IGNITION...MIN 47 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN THE LATE MORNING AND AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. WIND SHIFT..........NONE...REMAINING LIGHT. CWR.................0 PERCENT INCREASING TO 40 PERCENT LATE IN THE AFTERNOON. LAL.................LOW LATE IN THE AFTERNOON. HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......200 FT AGL INCREASING TO 2300 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 4500 FT AGL EARLY IN THE MORNING INCREASING TO 6700-8200 FT AGL IN THE LATE MORNING AND EARLY AFTERNOON DECREASING TO 4400-6200 FT AGL. TRANSPORT WINDS.....SOUTHWEST 3 TO 12 MPH INCREASING TO AROUND 13 MPH LATE IN THE AFTERNOON. TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY COVER.......PCLDY PCLDY MCLDY MCLDY MCLDY WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE NONE TSTORM TSTORM TEMP............61 71 73 74 73 RH..............66 50 48 47 49 EYE LEVEL WIND..S 2 S 4 S 6 SW 6 SW 4 EYE LVL WND GST.5 10 10 MIX HGT (FT)....4500 7200 8200 6200 4800 TRANSPORT WIND..S 7 S 10 S 12 SW 12 SW 13 HAINES INDEX....4 4 4 4 4 .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. TEMPERATURE.........MIN 56. RH..................MAX 93 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST AROUND 5 MPH EARLY IN THE MORNING. WIND SHIFT..........LIGHT WIND SWITCH TO LIGHT EAST AFTER MIDNIGHT. CWR.................90 PERCENT. LAL.................MODERATE. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......2900-4100 FT AGL DECREASING TO 600-1700 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS.....SOUTH 5 TO 13 MPH SHIFTING TO THE EAST 3 TO 8 MPH AFTER MIDNIGHT. .THURSDAY... SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS AND THUNDERSTORMS. TEMPERATURE.........MAX 70. RH..................MIN 59 PERCENT. EYE LEVEL WINDS.....NORTH WINDS 5 TO 13 MPH. WIND SHIFT..........NONE. CWR.................80 PERCENT. LAL.................MODERATE. HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME DOMINATED FIRE GROWTH. MIXING HEIGHT.......1100-2700 FT AGL INCREASING TO 4100 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....NORTH 5 TO 10 MPH. $$ FORECASTER...ERVIN REQUESTED BY...ERIK ACKER TYPE OF REQUEST...PRESCRIBED .TAG 20130508.DESER.01/DVN