Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 231936
FWSDMX

SPOT FORECAST FOR BLUE WING MARSH...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
236 PM CDT THU APR 23 2015

FORECAST IS BASED ON IGNITION TIME OF 1500 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...
WINDS WILL BECOME SOUTHERLY WITH GUSTS POSSIBLE AT TIMES IN THE
AFTERNOON. SKIES WILL BE CLEAR. 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). AREAS OF FROST
                    EARLY IN THE MORNING...THEN PATCHY FROST EARLY
                    IN THE MORNING.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........20 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 5 TO 6 MPH EARLY IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING SOUTHWEST 6 TO 7
                    MPH LATE IN THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 6400 FT AGL.
MIXING WINDS........SOUTHWEST 3 TO 9 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (800-46900 KNOT-FT).
WIND (20 FT)........WEST WINDS 5 TO 6 MPH EARLY IN THE MORNING
                    BECOMING LIGHT...THEN BECOMING SOUTHWEST 6 TO 7
                    MPH LATE IN THE AFTERNOON.

TIME (CDT)      4PM 5PM
SKY (%).........6   8
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............58  58
RH..............20  22
20 FT WIND DIR..SW  S
20 FT WIND SPD..6   7
20 FT WIND GUST.
EYE LVL WND DIR.SW  S
EYE LVL WND SPD.4   5
EYE LVL WND GST.
MIX HGT (KFT)...6.4 5.8
MIXNG WIND DIR..SW  SW
MIXNG WIND SPD..7   8
HAINES INDEX....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........70 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 8 TO 14 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5200 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........SOUTHEAST 7 TO 14 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1500-46700 KNOT-FT).
WIND (20 FT)........SOUTHEAST WINDS 8 TO 14 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........11     16     27     41     46     68
WEATHER COV.....                            S CHC  CHANCE
WEATHER TYPE....NONE   NONE   NONE   NONE   RNSHWR RNSHWR
TSTM COV........
TEMP............57     53     48     46     46     44
RH..............23     35     47     53     58     65
20 FT WIND......S 8    SE 10  SE 10  SE 12  SE 13  SE 14
20 FT WIND GUST.10            15     15     15     20
EYE LEVEL WIND..S 6    SE 7   SE 7   SE 9   SE 9   SE 10
EYE LVL WND GST.10            15     15     15     20
MIX HGT (FT)....5200   3100   300    300    300    300
MIXNG WIND......S 10   S 10   SE 7   SE 9   SE 10  SE 12
HAINES INDEX....3      3      3      3      3      4

.FRIDAY...

MAX TEMPERATURE.....AROUND 53.
MIN HUMIDITY........62 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 3100 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........SOUTHEAST 17 TO 24 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (3600-64300 KNOT-FT)
                    INCREASING TO GOOD TO EXCELLENT (58800-60900
                    KNOT-FT) LATE IN THE AFTERNOON.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........M         M         M         M
WEATHER COV.....M         M         M         M
WEATHER TYPE....M         M         M         M
TSTM COV........M         M         M         M
TEMP............M         M         M         M
RH..............65        70        68        71
20 FT WIND......M         M         M         M
EYE LEVEL WIND..M         M         M         M
MIX HGT (FT)....300       700       2400      2900
MIXNG WIND......S 17      S 23      SE 24     SE 24
HAINES INDEX....3         3         3         3

$$
FORECASTER...AWB
REQUESTED BY...STEVE WOODRUFF
TYPE OF REQUEST...PRESCRIBED
.TAG 20150423.BLUEW.01/DMX



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