Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 281324
FWSDMX

SPOT FORECAST FOR 4 MILE LAKE...IOWA DNR-USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
824 AM CDT TUE APR 28 2015

FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 28.
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...
MID TO HIGH LEVEL CLOUDS WILL INCREASE THROUGH THE MORNING HOURS
AS A WEAK FRONTAL BOUNDARY MOVES ACROSS THE NORTHERN PART OF IOWA.
THIS FRONT MAY BRING SOME ISOLATED SPRINKLES IN THE AFTERNOON
HOURS. RELATIVE HUMIDITY VALUES WILL FALL INTO THE 25 TO 30
PERCENT RANGE WITH A NORTH WIND OF AROUND 10 MPH.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). ISOLATED
                    SPRINKLES LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........30 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 7 TO 13 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 9700 FT AGL.
MIXING WINDS........NORTHWEST 7 TO 13 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1400-41600 KNOT-FT) INCREASING TO
                    EXCELLENT (65500-96800 KNOT-FT) IN THE AFTERNOON.
WIND (20 FT)........NORTH WINDS 7 TO 13 MPH.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........41  45  47  49  60  64  63  61
WEATHER COV.....                    ISO ISO ISO
WEATHER TYPE....                    RW  RW  RW
TSTM COV........
TEMP............59  66  69  70  71  71  71  70
RH..............43  33  31  30  30  31  32  33
20 FT WIND DIR..N   N   N   N   N   N   N   N
20 FT WIND SPD..12  12  12  13  13  13  13  13
20 FT WIND GUST.15  15  15  15  15  15  15  15
EYE LVL WND DIR.N   N   N   N   N   N   N   N
EYE LVL WND SPD.9   9   9   9   9   9   9   9
EYE LVL WND GST.15  15  15  15  15  15  15  15
MIX HGT (KFT)...2.1 4.4 6.7 8.9 9.2 9.4 9.7 8.9
MIXNG WIND DIR..N   N   N   N   N   N   NW  NW
MIXNG WIND SPD..10  12  12  12  12  12  12  13
HAINES INDEX....5   5   5   5   5   5   5   5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT). ISOLATED
                    SPRINKLES EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........92 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 7 TO 13 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......8100 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........NORTHWEST 6 TO 13 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (47500-89800 KNOT-FT)
                    DECREASING TO POOR TO FAIR (1200-20000 KNOT-FT)
                    IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........NORTH WINDS 7 TO 13 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........54     45     29     29     33     31
WEATHER COV.....ISOLTD
WEATHER TYPE....RNSHWR NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............66     59     52     48     45     40
RH..............38     51     69     77     79     85
20 FT WIND......N 13   N 10   N 8    N 7    N 7    N 7
20 FT WIND GUST.15     15     10
EYE LEVEL WIND..N 9    N 7    N 6    N 5    N 5    N 5
EYE LVL WND GST.15     15     10
MIX HGT (FT)....8100   5000   300    300    300    300
MIXNG WIND......NW 13  N 12   N 7    N 6    N 6    NW 6
HAINES INDEX....5      5      4      4      4      5

.WEDNESDAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........22 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 7 TO 12 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 8900 FT AGL.
MIXING WINDS........NORTHEAST 5 TO 14 MPH.
SMOKE DISPERSAL.....POOR (1100-11500 KNOT-FT) INCREASING TO
                    EXCELLENT (81600-88800 KNOT-FT) IN THE
                    AFTERNOON.
WIND (20 FT)........NORTH WINDS 7 TO 12 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........37        24        9         12
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............37        50        65        70
RH..............92        58        31        22
20 FT WIND......N 7       N 8G10    N 10G15   N 12G15
EYE LEVEL WIND..N 5       N 6G10    N 7G15    N 9G15
MIX HGT (FT)....300       2900      6700      8500
MIXNG WIND......NW 5      N 12      N 14      N 12
HAINES INDEX....4         4         5         5

$$
FORECASTER...SKOW
REQUESTED BY...ROB PATTERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20150428.4MILE.01/DMX


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