FNUS73 KDVN 291323
FWSDVN

SPOT FORECAST FOR GRABIN...IA DNR
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
823 AM CDT MON APR 29 2013

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 29.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
THERE IS A CHANCE OF SHOWERS AND THUNDERSTORMS TODAY AND TONIGHT
AHEAD OF A WEAKENING FRONTAL BOUNDARY. TUESDAY LOOKS TO BE
MAINLY DRY AND WARM WITH HIGHS IN THE RANGE OF 80 TO 85 DEGREES.
WIDESPREAD RAINFALL AND MUCH COOLER TEMPERATURES ARE EXPECTED
OVER THE LATTER HALF OF THE WEEK.

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.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF SHOWERS
                    AND THUNDERSTORMS THROUGH THE DAY.
TEMPERATURE.........69 AT IGNITION...MAX 75.
RH..................61 PERCENT AT IGNITION...MIN 55 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 6 TO 10 MPH.
WIND SHIFT..........THUNDERSTORMS PASSING TO THE NORTH MAY PRODUCE
                    A WIND SHIFT TO THE NORTH.
CWR.................10 PERCENT INCREASING TO 30 PERCENT EARLY IN
                    THE MORNING.
LAL.................3.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......300-2000 FT AGL INCREASING TO 3300-5000 FT AGL.
TRANSPORT WINDS.....SOUTH 8 TO 16 MPH INCREASING TO 18 TO 20 MPH
                    LATE IN THE AFTERNOON.

TIME (CDT)      1 PM   3 PM   5 PM
SKY COVER.......MCLDY  MCLDY  MCLDY
WEATHER COV.....CHANCE S CHC  S CHC
WEATHER TYPE....TSTORM TSTORM TSTORM
TEMP............69     75     74
RH..............61     52     55
EYE LEVEL WIND..S 7    S 6    S 5
EYE LVL WND GST.15     10
MIX HGT (FT)....2900   4300   4200
TRANSPORT WIND..S 13   S 15   S 18
HAINES INDEX....3      4      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (45-55 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS.
TEMPERATURE.........MIN 60.
RH..................MAX 93 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 8 TO 13 MPH.
WIND SHIFT..........NONE.
CWR.................30 PERCENT.
LAL.................3.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1000-2500 FT AGL DECREASING TO 600 FT AGL IN
                    THE LATE EVENING AND OVERNIGHT.
TRANSPORT WINDS.....SOUTH 12 TO 21 MPH INCREASING TO 22 TO 23 MPH
                    EARLY IN THE MORNING.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE MORNING.
TEMPERATURE.........MAX 82.
RH..................MIN 47 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 14 TO 18 MPH.
WIND SHIFT..........NONE.
CWR.................20 PERCENT DECREASING TO 10 PERCENT IN THE
                    AFTERNOON.
LAL.................2.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......600-2400 FT AGL INCREASING TO 3100-4800 FT AGL
                    LATE IN THE MORNING...THEN INCREASING TO
                    3600-5300 FT AGL LATE IN THE AFTERNOON
                    DECREASING TO 2000 FT AGL LATE IN THE
                    AFTERNOON.
TRANSPORT WINDS.....SOUTH 22 TO 30 MPH SHIFTING TO THE SOUTHWEST 25
                    TO 33 MPH IN THE LATE MORNING AND
                    AFTERNOON...THEN DECREASING TO AROUND 21 MPH
                    LATE IN THE AFTERNOON.

$$
FORECASTER...PIERCE
REQUESTED BY...DAVID KUTZ
TYPE OF REQUEST...PRESCRIBED
.TAG 20130429.GRABI.01/DVN