FNUS73 KDVN 121146
FWSDVN

SPOT FORECAST FOR LAKE HAWTHORN...IOWA DEPT. OF NATURAL RESOURCES
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
646 AM CDT SUN MAY 12 2013

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 12.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
DRY AND COLD CONDITIONS WILL LINGER TODAY AND TONIGHT...WITH A
GRADUAL WARM-UP STARTING MONDAY AND CONTINUING INTO TUESDAY.
NORTHWEST WINDS OF 10 TO 15 MPH TODAY WILL DROP OFF TO LIGHT AND
VARIABLE AGAIN TONIGHT AS A SURFACE HIGH PRESSURE SHIFTS EAST OF
THE AREA. FROST IS POSSIBLE AGAIN TONIGHT. MONDAY SOUTH WINDS
WILL INCREASE TO AROUND 10MPH WITH TEMPERATURES WARMING INTO THE
60S TO LOW 70S. TUESDAY TEMPERATURES ARE EXPECTED TO WARM INTO
THE 80S WITH BREEZY SOUTHWEST WINDS. MINIMUM RH VALUES MAY BE OF
CONCERN ON TUESDAY.

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.........SUNNY (0-5 PERCENT). AREAS OF FROST EARLY IN
                    THE MORNING.
TEMPERATURE.........51 AT IGNITION...MAX 60.
RH..................39 PERCENT AT IGNITION...MIN 29 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS 6 TO 12 MPH.
WIND SHIFT..........
CWR.................0 PERCENT.
LAL.................
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......200-2000 FT AGL INCREASING TO 6600 FT AGL.
TRANSPORT WINDS.....NORTHWEST 7 TO 16 MPH INCREASING TO 17 TO 18
                    MPH LATE IN THE MORNING.

TIME (CDT)      11 AM  1 PM   3 PM   5 PM
SKY COVER.......CLEAR  CLEAR  CLEAR  CLEAR
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............51     56     58     58
RH..............39     32     30     30
EYE LEVEL WIND..NW 6   NW 8   NW 7   NW 7
EYE LVL WND GST.10     15     15     15
MIX HGT (FT)....5900   6600   6500   6300
TRANSPORT WIND..NW 16  NW 18  NW 18  NW 17
HAINES INDEX....4      4      4      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). PATCHY FROST AFTER
                    MIDNIGHT. AREAS OF FROST EARLY IN THE
                    MORNING...THEN PATCHY FROST EARLY IN THE
                    MORNING.
TEMPERATURE.........MIN 37.
RH..................MAX 85 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 5 TO 9 MPH EARLY IN THE EVENING
                    BECOMING LIGHT...THEN BECOMING SOUTH AROUND 5
                    MPH EARLY IN THE MORNING.
WIND SHIFT..........
CWR.................0 PERCENT.
LAL.................
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3900-5800 FT AGL DECREASING TO 100 FT AGL.
TRANSPORT WINDS.....WEST 7 TO 16 MPH SHIFTING TO THE SOUTHWEST 2 TO
                    3 MPH IN THE LATE EVENING AND OVERNIGHT.

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
TEMPERATURE.........MAX 71.
RH..................MIN 36 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 13 MPH.
WIND SHIFT..........
CWR.................10 PERCENT.
LAL.................
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......100-1300 FT AGL INCREASING TO 2400-4300 FT AGL
                    EARLY IN THE MORNING...THEN INCREASING TO
                    4300-5700 FT AGL LATE IN THE MORNING DECREASING
                    TO 3300 FT AGL LATE IN THE AFTERNOON.
TRANSPORT WINDS.....SOUTHWEST 3 TO 12 MPH SHIFTING TO THE SOUTH 13
                    TO 21 MPH IN THE AFTERNOON.

$$
FORECASTER...WOLF
REQUESTED BY...JESSICA MANKEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20130512.LAKEH.01/DVN