FNUS73 KDVN 061437
FWSDVN

SPOT FORECAST FOR OFFICE PRAIRIE...USFWS
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
837 AM CST FRI MAR 6 2009

FORECAST IS BASED ON IGNITION TIME OF 0845 CST ON MARCH 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
WEAK HIGH PRESSURE WILL BE OVER THE AREA TODAY WITH MOSTLY SUNNY SKIES.
WINDS WILL BE NORTHWEST AROUND 5 TO 10 MPH THIS MORNING...THEN SWITCH TO
NORTHERLY AT 5 TO 10 MPH LATE THIS AFTERNOON AND THIS EVENING. TONIGHT...
A WARM FRONT WILL MOVE TOWARD THE AREA...WITH EAST WINDS AND SHOWERS AND
THUNDERSTORMS LIKELY AFTER MIDNIGHT.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY. PATCHY DENSE FOG EARLY IN THE
                    MORNING.
TEMPERATURE.........46 AT IGNITION...MAX 63.
RH..................82 PERCENT AT IGNITION...MIN 39 PERCENT.
EYE LEVEL WINDS.....WINDS NORTHWEST AT 8 MPH AT
                    IGNITION...OTHERWISE NORTH WINDS 6 TO 8 MPH.
WIND SHIFT..........NORTHWEST BECOMING NORTH AROUND 2 PM.
CWR.................10 PERCENT.
LAL.................1 OR NONE.
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100-1700 FT AGL INCREASING TO 2200-3200 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........NORTH 6 TO 12 MPH.

TIME (CST)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........MCR PC  MCR MCR MCR PC  PC  PC  PC  PC
TEMP............45  46  53  56  58  60  61  62  62  61
RH..............82  79  59  51  47  44  41  39  41  42
EYE LVL WND DIR.320 320 330 340 350 350 340 340 350 020
EYE LVL WND SPD.8   8   8   8   8   8   7   7   7   6
EYE LVL WND GST.10  10  10  10  10  10
HAINES INDEX....5   5   5   4   4   4   4   4   4   4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
                    THE EVENING...THEN SHOWERS AND THUNDERSTORMS
                    AFTER MIDNIGHT.
TEMPERATURE.........MIN 47.
RH..................MAX 80 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 6 TO 8 MPH.
WIND SHIFT..........NONE.
CWR.................80 PERCENT.
LAL.................4
HAINES INDEX........2 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......900-2400 FT AGL DECREASING TO 100-300 FT AGL IN
                    THE LATE EVENING AND OVERNIGHT.
MIXING WINDS........NORTHEAST 5 TO 7 MPH.

.SATURDAY...

SKY/WEATHER.........CLOUDY. SHOWERS AND THUNDERSTORMS.
TEMPERATURE.........MAX 51.
RH..................MIN 74 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 10 MPH.
WIND SHIFT..........NONE
CWR.................80 PERCENT.
LAL.................4
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200-1000 FT AGL.
MIXING WINDS........NORTHEAST 7 TO 16 MPH INCREASING TO AROUND 17
                    MPH LATE IN THE AFTERNOON.

$$
FORECASTER...ERVIN
REQUESTED BY...ERIK ACKER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090306.OFFIC.01/DVN