Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 261158
FWSDMX

SPOT FORECAST FOR TRAPP...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
658 AM CDT TUE APR 26 2016

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 26.
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...

CLOUDY CONDITIONS WILL PERSIST THROUGH MID TO LATE MORNING...
WHEN SOME BREAKS IN THE CLOUDS MAY DEVELOP. LIGHT EASTERLY WINDS
ARE EXPECTED THROUGH NOON TODAY.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........56 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 6 TO 15 MPH INCREASING TO 16 TO 17
                    MPH LATE IN THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 3400 FT AGL IN THE
                    LATE MORNING AND AFTERNOON.
MIXING WINDS........EAST 8 TO 16 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (3200-42200 KNOT-FT).
WIND (20 FT)........EAST WINDS 6 TO 15 MPH INCREASING TO 16 TO 17
                    MPH LATE IN THE AFTERNOON.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........72  54  49  49  57  52  56
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............60  62  64  65  66  66  65
RH..............72  67  63  60  56  56  56
20 FT WIND DIR..ENE E   E   E   E   E   E
20 FT WIND SPD..12  12  13  14  15  16  17
20 FT WIND GUST.15  15  15  15  20  20  25
EYE LVL WND DIR.ENE E   E   E   E   E   E
EYE LVL WND SPD.9   9   9   10  11  11  12
EYE LVL WND GST.15  15  15  15  20  20  25
MIX HGT (KFT)...2.8 3.1 3.4 3.2 3.1 3.0 3.0
MIXNG WIND DIR..E   E   E   E   E   E   E
MIXNG WIND SPD..14  14  14  14  14  14  16
HAINES INDEX....3   4   4   4   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
                    SHOWERS IN THE EVENING. SLIGHT CHANCE OF
                    THUNDERSTORMS THROUGH THE NIGHT. RAIN SHOWERS
                    LIKELY AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........83 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 17 TO 21 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3000 FT AGL.
MIXING WINDS........EAST 20 TO 26 MPH.
SMOKE DISPERSAL.....GOOD TO GOOD (43400-57000 KNOT-FT).
WIND (20 FT)........EAST WINDS 17 TO 21 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE LATE
                    EVENING AND OVERNIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........63     68     74     80     83     90
WEATHER COV.....              CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....NONE   NONE   RNSHWR RNSHWR RNSHWR RNSHWR
TSTM COV........              ISOLTD ISOLTD ISOLTD ISOLTD
TEMP............64     59     54     52     50     48
RH..............58     64     71     74     77     77
20 FT WIND......E 18   E 20   E 18   E 17   E 17   E 20
20 FT WIND GUST.25     30     25     25     25     30
EYE LEVEL WIND..E 13   E 14   E 13   E 12   E 12   E 14
EYE LVL WND GST.25     30     25     25     25     30
MIX HGT (FT)....3000   2800   2300   2200   2200   2100
MIXNG WIND......E 20   E 23   E 24   E 26   E 25   E 24
HAINES INDEX....3      3      3      2      2      2

$$
FORECASTER...VACHALEK
REQUESTED BY...JUSTIN CLARK
TYPE OF REQUEST...PRESCRIBED
.TAG 20160426.TRAPP.01/DMX


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