FNUS73 KDVN 091330
FWSDVN

SPOT FORECAST FOR HERBERT HOOVER...NATIONAL PARK SERVICE
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
830 AM CDT MON MAY 9 2011

FORECAST IS BASED ON IGNITION TIME OF 0820 CDT ON MAY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A WARM FRONT WILL MOVE NORTH ACROSS THE AREA TODAY BRINGING THE
THREAT OF THUNDERSTORMS. A THUNDERSTORM COMPLEX IN SOUTHEAST IOWA
MAY JUST MISS THE AREA THIS MORNING. HOWEVER...ANOTHER THUNDERSTORM
COMPLEX IN MINNESOTA MAY AFFECT THE AREA. ADDITIONAL THUNDERSTORMS
WILL BE POSSIBLE FROM DAY TIME HEATING. TONIGHT...NOCTURNAL
THUNDERSTORMS MAY AFFECT THE AREA.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY THEN BECOMING MOSTLY CLOUDY THEN
                    BECOMING MOSTLY SUNNY. CHANCE OF SHOWERS AND
                    THUNDERSTORMS IN THE MORNING...THEN SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
                    AFTERNOON.
TEMPERATURE.........MAX 82.
RH..................MIN 60 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 14 TO 20 MPH.
WIND SHIFT..........SUDDEN WIND SHIFTS FROM NEARBY THUNDERSTORMS
                    ARE POSSIBLE.
CWR.................40 PERCENT.
LAL.................4.
HAINES INDEX........2 TO 3 OR OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......700-2300 FT AGL INCREASING TO 3000-4300 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHEAST 22 TO 31 MPH.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........PCLDY  MCLDY  CLOUDY MCLDY  MCLDY  PCLDY
WEATHER COV.....CHANCE CHANCE CHANCE S CHC  S CHC  S CHC
WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM
TEMP............60     66     72     75     80     82
RH..............84     75     66     66     60     61
EYE LEVEL WIND..130/14 130/16 130/18 140/18 140/20 140/18
EYE LEVEL GUST..20     25     25     25     30     25
HAINES INDEX....3      3      3      3      2      3

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY THEN
                    BECOMING PARTLY CLOUDY. SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
TEMPERATURE.........MIN 66.
RH..................MAX 93 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 7 TO 16 MPH.
WIND SHIFT..........WIND SHIFTS NEAR THUNDERSTORMS ARE POSSIBLE.
CWR.................10 PERCENT INCREASING TO 20 PERCENT AFTER
                    MIDNIGHT.
LAL.................3.
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1000-2700 FT AGL DECREASING TO 300-800 FT AGL
                    IN THE LATE EVENING AND OVERNIGHT.
MIXING WINDS........SOUTHEAST 22 TO 26 MPH DECREASING TO 13 TO 18
                    MPH EARLY IN THE EVENING.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........76 AT IGNITION...MAX 90.
RH..................76 PERCENT AT IGNITION...MIN 52 PERCENT.
EYE LEVEL WINDS.....WINDS SOUTH AT 10 MPH AT IGNITION...OTHERWISE
                    SOUTH WINDS 5 TO 14 MPH INCREASING TO 15 TO 17
                    MPH LATE IN THE MORNING.
WIND SHIFT..........NONE.
CWR.................10 PERCENT.
LAL.................1.
HAINES INDEX........3 TO 4 OR VERY LOW TO LOW POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
MIXING HEIGHT.......700-2500 FT AGL INCREASING TO 3300-4300 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTH 14 TO 23 MPH INCREASING TO 24 TO 25 MPH
                    LATE IN THE AFTERNOON.

$$
FORECASTER...PIERCE
REQUESTED BY...PAUL MANCUSO
TYPE OF REQUEST...PRESCRIBED
.TAG 20110510.HERBE.01/DVN