FNUS73 KDVN 211552
FWSDVN

SPOT FORECAST FOR BLUFF PILES...USFWS
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1052 AM CDT TUE MAY 21 2013

FORECAST IS BASED ON IGNITION TIME OF 1115 CDT ON MAY 21.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A MILD AND BREEZY DAY WITH SOUTHWESTERLY WINDS OF 15 TO 25 MPH
UNDER A PARTLY TO MOSTLY SUNNY SKY WILL PUSH TEMPERATURES INTO
THE MID TO UPPER 70S.  AFTERNOON RELATIVE HUMIDITY VALUES WILL
FALL INTO 40 PERCENT RANGE FOR SEVERAL HOURS.  WINDS WILL
BECOME LIGHT WITH INCREASING CLOUDS AND CHANCES OF RAIN THROUGH
THURSDAY MORNING.

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 (35-45 PERCENT).
TEMPERATURE.........74 AT IGNITION...MAX 79.
RH..................64 PERCENT AT IGNITION...MIN 50 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 12 TO 16 MPH.
WIND SHIFT..........NONE.
CWR.................10 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......700-2500 FT AGL INCREASING TO 3400-5200 FT AGL
                    IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 16 TO 25 MPH.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM
SKY COVER.......PCLDY  MCLDY  PCLDY  PCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............72     76     78     78
RH..............64     56     50     50
EYE LEVEL WIND..SW 11  SW 11  SW 11  SW 9
EYE LVL WND GST.20     20     25     20
MIX HGT (FT)....3800   4700   5000   5200
TRANSPORT WIND..SW 23  SW 25  SW 25  SW 24
HAINES INDEX....4      4      4      4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
                    THUNDERSTORMS IN THE EVENING. CHANCE OF RAIN
                    SHOWERS THROUGH THE NIGHT.
TEMPERATURE.........MIN 59.
RH..................MAX 90 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 9 MPH IN THE EVENING
                    BECOMING LIGHT.
WIND SHIFT..........NONE.
CWR.................30 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......3500-5100 FT AGL DECREASING TO 200-1800 FT AGL
                    EARLY IN THE EVENING.
TRANSPORT WINDS.....SOUTHWEST 16 TO 21 MPH DECREASING TO 5 TO 10
                    MPH EARLY IN THE EVENING.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SCATTERED
                    SHOWERS.
TEMPERATURE.........MAX 72.
RH..................MIN 55 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 5 TO 10 MPH.
WIND SHIFT..........NONE.
CWR.................40 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......700-2200 FT AGL INCREASING TO 4500-6300 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 16 MPH INCREASING TO 17 TO 18 MPH IN
                    THE LATE MORNING AND AFTERNOON.

$$
FORECASTER...FERRY
REQUESTED BY...ERIK ACKER
TYPE OF REQUEST...PRESCRIBED
.TAG 20130521.BLUFF.01/DVN