FNUS73 KDVN 051319
FWSDVN

SPOT FORECAST FOR BLACKHAWK BOTTOMS WMA...DNR
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
819 AM CDT TUE APR 5 2011

FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON APRIL 05.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SOUTHWEST RETURN FLOW WILL BEGIN TODAY.  WINDS WILL BE RELATIVELY LIGHT
THIS MORNING...BUT INCREASE DURING THE LATE MORNING AND AFTERNOON.
SOME CLOUDS THIS MORNING WILL GIVE WAY TO MOSTLY SUNNY SKIES FOR THE
REMAINDER OF THE DAY.  CLOUDS WILL INCREASE AGAIN TONIGHT AS A STORM SYSTEM
PASSES NORTH OF THE AREA.

.TODAY...

SKY/WEATHER.........SUNNY THEN BECOMING MOSTLY SUNNY.
TEMPERATURE.........45 AT IGNITION...MAX 61.
RH..................52 PERCENT AT IGNITION...MIN 29 PERCENT.
EYE LEVEL WINDS.....WINDS WEST AT 5 MPH AT IGNITION...
                    OTHERWISE SOUTHWEST WINDS 5 TO 12 MPH
                    INCREASING TO 12 TO 16 MPH IN THE
                    AFTERNOON.
WIND SHIFT..........LIGHT WEST-NORTHWEST WINDS TO TURN SOUTHWEST
                    BY LATE MORNING.
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3000-5000 EARLY IN THE MORNING...THEN INCREASING TO
                    6500-8500 FT AGL IN THE AFTERNOON DECREASING
                    TO AROUND 4000 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........WEST 7 TO 15 MPH INCREASING TO SOUTHWEST 18 TO
                    26 MPH IN THE LATE MORNING AND AFTERNOON.

TIME (CDT)      9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........PCLDY  PCLDY  PCLDY  PCLDY  PCLDY
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............40     48     55     59     59
RH..............52     40     31     29     33
EYE LEVEL WIND..250/6  240/10 230/12 220/15 220/14
EYE LEVEL GUST..8      12     17     22     22
HAINES INDEX....5      5      5      4      4

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
TEMPERATURE.........MIN 45.
RH..................MAX 73 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 6 TO 12 MPH.
WIND SHIFT..........WINDS MAY BECOME WEST AFTER MIDNIGHT.
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000-3000 FT AGL DECREASING TO LESS THAN 1000 FT AGL
                    EARLY IN THE EVENING.
MIXING WINDS........SOUTHWEST 8 TO 16 MPH SHIFTING TO THE SOUTH 5
                    TO 9 MPH IN THE LATE EVENING AND OVERNIGHT.

$$
FORECASTER...LE
REQUESTED BY...ANDY ROBBINS -  NATURAL RESOURCES BIOLOGIST
TYPE OF REQUEST...PRESCRIBED
.TAG 20110405.BLACK.01/DVN