Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 231409
FWSDMX

SPOT FORECAST FOR POCAHONTAS COUNTY...IOWA NATURAL HERITAGE FOUNDATION
NATIONAL WEATHER SERVICE DES MOINES IA
909 AM CDT THU APR 23 2015

FORECAST IS BASED ON IGNITION TIME OF 1100 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 OVER IOWA WILL KEEP WINDS LIGHT WITH SEASONAL
TEMPERATURES AND MIXING LEVELS. RELATIVE HUMIDITIES WILL BE LOW
HOWEVER...DROPPING UNDER 30 PERCENT DURING THE AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT) THEN BECOMING
                    PARTLY SUNNY (50-60 PERCENT) THEN BECOMING
                    SUNNY (10-20 PERCENT). AREAS OF FROST EARLY IN
                    THE MORNING...THEN PATCHY FROST EARLY IN THE
                    MORNING.
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........23 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 5 MPH EARLY IN THE
                    MORNING BECOMING LIGHT...THEN BECOMING
                    SOUTHWEST 5 TO 6 MPH LATE IN THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 6200 FT AGL.
MIXING WINDS........SOUTHWEST 3 TO 9 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (800-48900 KNOT-FT).
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE
                    MORNING BECOMING LIGHT...THEN BECOMING
                    SOUTHWEST 5 TO 6 MPH LATE IN THE AFTERNOON.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........25  17  13  6   2   1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............51  54  56  57  58  59
RH..............28  25  24  24  23  25
20 FT WIND DIR..NW  W   W   SW  SW  S
20 FT WIND SPD..3   3   3   5   5   6
20 FT WIND GUST.5   5   5
EYE LVL WND DIR.NW  W   W   SW  SW  S
EYE LVL WND SPD.2   2   2   4   4   4
EYE LVL WND GST.5   5   5
MIX HGT (KFT)...5.1 6.1 6.1 6.2 6.2 5.7
MIXNG WIND DIR..NW  NW  W   W   W   SW
MIXNG WIND SPD..8   9   9   8   7   8
HAINES INDEX....3   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........73 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 13 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5200 FT AGL DECREASING TO 700 FT AGL.
MIXING WINDS........SOUTHEAST 7 TO 10 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1500-38600 KNOT-FT).
WIND (20 FT)........SOUTHEAST WINDS 6 TO 13 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........23     16     28     37     43     67
WEATHER COV.....                            S CHC  S CHC
WEATHER TYPE....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
TSTM COV........
TEMP............57     54     49     46     45     44
RH..............29     34     48     55     60     65
20 FT WIND......S 6    SE 7   SE 8   SE 10  SE 12  SE 12
20 FT WIND GUST.       10     10     15     15     15
EYE LEVEL WIND..S 4    SE 5   SE 6   SE 7   SE 9   SE 9
EYE LVL WND GST.       10     10     15     15     15
MIX HGT (FT)....5200   3200   300    300    400    600
MIXNG WIND......S 8    S 8    SE 7   SE 8   SE 9   SE 10
HAINES INDEX....3      3      3      3      3      4

.FRIDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS
                    EARLY IN THE MORNING. RAIN SHOWERS LIKELY IN
                    THE LATE MORNING AND AFTERNOON.
MAX TEMPERATURE.....AROUND 52.
MIN HUMIDITY........63 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 13 TO 18 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 3300 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........SOUTHEAST 12 TO 17 MPH INCREASING TO 22 TO 26
                    MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR TO EXCELLENT (8700-60100 KNOT-FT)
                    INCREASING TO EXCELLENT TO EXCELLENT
                    (64400-69800 KNOT-FT) LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTHEAST WINDS 13 TO 18 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........84        92        94        97
WEATHER COV.....CHANCE    CHANCE    LIKELY    LIKELY
WEATHER TYPE....RNSHWR    RNSHWR    RNSHWR    RNSHWR
TSTM COV........          ISOLTD    ISOLTD    ISOLTD
TEMP............45        44        49        51
RH..............65        73        71        71
20 FT WIND......SE 13G20  SE 15G20  SE 18G25  SE 17G25
EYE LEVEL WIND..SE 9G20   SE 11G20  SE 13G25  SE 12G25
MIX HGT (FT)....900       700       2000      3100
MIXNG WIND......SE 12     S 22      SE 25     SE 24
HAINES INDEX....3         3         3         3

$$
FORECASTER...SMALL
REQUESTED BY...TYLAR SAMUELS
TYPE OF REQUEST...PRESCRIBED
.TAG 20150423.POCAH.01/DMX


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