FNUS73 KDVN 161346
FWSDVN

SPOT FORECAST FOR OFFICE PRAIRIE...USFWS
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
846 AM CDT MON MAR 16 2009

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE OVER THE EASTERN GREAT LAKES WILL PRODUCE SUNSHINE AND
WARMING SOUTHERLY WINDS TO THE AREA TODAY. AS A COOL FRONT APPROACHES THE
AREA FROM THE NORTHWEST...WINDS WILL BECOME SOUTHWESTERLY AND GUSTY. THIS
WILL BOOST TEMPERATURES WELL INTO THE 70S...WITH RH/S DIPPING INTO
THE LOWER 40S OR EVEN UPPER 30S. THE FRONT WILL PUSH THROUGH THE AREA
LATE TUESDAY NIGHT AND WEDNESDAY MORNING...SWITCHING THE WINDS TO THE NORTH.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........56 AT IGNITION...MAX 68.
RH..................55 PERCENT AT IGNITION...MIN 41 PERCENT.
EYE LEVEL WINDS.....WINDS SOUTH AT 6 MPH AT IGNITION...OTHERWISE
                    LIGHT WINDS BECOMING SOUTH 6 TO 12 MPH IN THE
                    LATE MORNING AND AFTERNOON.
WIND SHIFT..........NONE.
CWR.................10 PERCENT.
LAL.................1
HAINES INDEX........3 TO 5 OR VERY LOW TO MODERATE POTENTIAL FOR
                    LARGE PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200-800 FT AGL INCREASING TO 2700-4300 FT AGL
                    LATE IN THE MORNING...THEN INCREASING TO
                    5000-6000 FT AGL EARLY IN THE AFTERNOON.

MIXING WINDS........SOUTHWEST 3 TO 12 MPH SHIFTING TO THE SOUTH 12
                    TO 17 MPH IN THE AFTERNOON.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........MCR MCR MCR MCR MCR MCR MCR MCR
TEMP............56  59  62  63  68  66  65  64
RH..............55  49  46  46  41  42  45  46
EYE LVL WND DIR.180 190 190 190 200 200 200 190
EYE LVL WND SPD.6   7   9   10  12  12  10  9
EYE LVL WND GST.    10  10  15  15  15  15  10
HAINES INDEX....4   5   5   5   4   3   3   3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 46.
RH..................MAX 77 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 9 MPH.
CWR.................0 PERCENT.
LAL.................1
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......DROPPING TO 100-300 FT AGL.
MIXING WINDS........SOUTH 7 TO 9 MPH.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 76.
RH..................MIN 38 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 10 TO 17 MPH.
WIND SHIFT..........NONE
CWR.................0 PERCENT.
LAL.................1
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......200-900 FT AGL INCREASING TO 2700-3600 FT AGL
                    IN THE AFTERNOON...THEN DECREASING TO 1500 FT
                    AGL LATE IN THE AFTERNOON.
MIXING WINDS........SOUTH 9 TO 17 MPH INCREASING TO SOUTHWEST 21 TO
                    30 MPH IN THE LATE MORNING AND AFTERNOON.

$$
FORECASTER...JDH
REQUESTED BY...ERIK ACKER
TYPE OF REQUEST...PRESCRIBED
.TAG 20090316.OFFIC.01/DVN