Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 231306
FWSDMX

SPOT FORECAST FOR SUNKEN GROVE...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
806 AM CDT THU APR 23 2015

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED...
PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN.

.DISCUSSION...
HIGH PRESSURE WILL KEEP WINDS LIGHT BECOMING SOUTHERLY WITH
CLEARING SKIES. RH VALUES WILL BE LOW IN THE AFTERNOON BETWEEN 20
TO 30 PERCENT. PRECIPITATION CHANCES WILL INCREASE TONIGHT AFTER
MIDNIGHT AND CONTINUE THROUGH THE DAY FRIDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). PATCHY FROST
                    EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........23 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 6 TO 8 MPH LATE IN
                    THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 6300 FT AGL.
MIXING WINDS........NORTH AROUND 2 MPH SHIFTING TO THE SOUTHWEST 3
                    TO 10 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (500-49000 KNOT-FT).
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 6 TO 8 MPH LATE IN
                    THE AFTERNOON.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
SKY (%).........0   0   0   0   18
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............54  56  58  59  60
RH..............26  25  23  24  25
20 FT WIND DIR..S   S   S   S   S
20 FT WIND SPD..2   3   6   7   8
20 FT WIND GUST.    5           10
EYE LVL WND DIR.S   S   S   S   S
EYE LVL WND SPD.1   2   4   5   6
EYE LVL WND GST.    5           10
MIX HGT (KFT)...6.0 6.1 6.2 6.3 5.6
MIXNG WIND DIR..W   W   SW  SW  S
MIXNG WIND SPD..5   6   7   8   10
HAINES INDEX....3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS AFTER MIDNIGHT. CHANCE OF RAIN
                    SHOWERS EARLY IN THE MORNING.
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 8 TO 13 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........12     19     31     46     52     72
WEATHER COV.....                            S CHC  CHANCE
WEATHER TYPE....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
TSTM COV........
TEMP............58     54     49     46     45     44
RH..............28     36     52     60     65     70
EYE LEVEL WIND..S 6    SE 6   SE 7   SE 9   SE 9   SE 9
EYE LVL WND GST.10     15     15     15     15     15

.FRIDAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT). CHANCE OF RAIN SHOWERS
                    EARLY IN THE MORNING. RAIN SHOWERS LIKELY IN
                    THE LATE MORNING AND EARLY AFTERNOON...THEN
                    CHANCE OF RAIN SHOWERS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........69 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 14 TO 17 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 2900 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........SOUTHEAST 16 TO 25 MPH INCREASING TO 23 TO 26
                    MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (4300-59200 KNOT-FT).
WIND (20 FT)........SOUTHEAST WINDS 14 TO 17 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........90        94        95        97
WEATHER COV.....CHANCE    CHANCE    LIKELY    LIKELY
WEATHER TYPE....RNSHWR    RNSHWR    RNSHWR    RNSHWR
TSTM COV........          ISOLTD    ISOLTD    ISOLTD
TEMP............44        44        50        51
RH..............70        79        74        77
20 FT WIND......SE 14G20  SE 16G25  SE 17G25  SE 16G25
EYE LEVEL WIND..SE 10G20  SE 11G25  SE 12G25  SE 11G25
MIX HGT (FT)....300       800       2000      2700
MIXNG WIND......SE 16     S 25      SE 24     SE 23
HAINES INDEX....4         3         3         3

$$
FORECASTER...AWB
REQUESTED BY...BLAKE KNISLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20150423.SUNKE.01/DMX


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