Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 171222
FWSDMX

SPOT FORECAST FOR BISON WPA...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
722 AM CDT FRI APR 17 2015

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 17.
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 REMAIN PRIMARILY LIGHT AND VARIABLE THROUGH THE DAY
FRIDAY WITH PARTLY CLOUDY SKIES. TEMPERATURES WILL WARM TO THE
UPPER 70S. RH VALUES WILL BE BETWEEN 40 T0 50 PERCENT IN THE
MORNING...DROPPING TO 30 TO 40 PERCENT IN THE AFTERNOON. CHANCES
FOR SHOWERS AND THUNDERSTORMS WILL INCREASE LATE IN THE DAY AND
WILL PERSIST THROUGH THE NIGHT AND INTO SATURDAY. WINDS SATURDAY
WILL BE STRONGER WITH GUSTS POSSIBLE. RH VALUES WILL BE HIGHER
SATURDAY.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT).
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........34 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH
                    LATE IN THE MORNING...THEN BECOMING LIGHT EARLY
                    IN THE AFTERNOON BECOMING NORTHWEST 5 TO 6 MPH
                    EARLY IN THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......800 FT AGL INCREASING TO 8100 FT AGL.
MIXING WINDS........NORTHWEST 3 TO 5 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (700-24300 KNOT-FT).
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH
                    LATE IN THE MORNING...THEN BECOMING LIGHT EARLY
                    IN THE AFTERNOON BECOMING NORTHWEST 5 TO 6 MPH
                    EARLY IN THE AFTERNOON.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
SKY (%).........49  51  56  58  62
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............72  74  75  76  76
RH..............41  38  36  34  36
20 FT WIND DIR..N   N   NW  NW  NW
20 FT WIND SPD..3   5   5   6   6
20 FT WIND GUST.5
EYE LVL WND DIR.N   N   NW  NW  NW
EYE LVL WND SPD.2   4   4   4   4
EYE LVL WND GST.5
MIX HGT (KFT)...7.1 7.4 7.7 8.1 8.0
MIXNG WIND DIR..N   N   NW  NW  NW
MIXNG WIND SPD..3   3   3   3   3
HAINES INDEX....4   4   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS AND ISOLATED THUNDERSTORMS AFTER
                    MIDNIGHT.
MIN TEMPERATURE.....AROUND 54.
MAX HUMIDITY........66 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 5 TO 9 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......7900 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........EAST 3 TO 8 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (1200-23700 KNOT-FT).
WIND (20 FT)........EAST WINDS 5 TO 9 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS AFTER MIDNIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........70     74     76     77     78     79
WEATHER COV.....                     S CHC  S CHC  S CHC
WEATHER TYPE....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
TSTM COV........                     ISOLTD ISOLTD ISOLTD
TEMP............75     70     66     61     58     56
RH..............37     45     51     58     63     65
20 FT WIND......N 6    NE 6   NE 7   NE 8   NE 8   E 9
20 FT WIND GUST.                     10     10     10
EYE LEVEL WIND..N 4    NE 4   NE 5   NE 6   NE 6   E 6
EYE LVL WND GST.                     10     10     10
MIX HGT (FT)....7900   5300   300    300    300    300
MIXNG WIND......N 3    N 5    NE 6   NE 6   NE 7   E 8
HAINES INDEX....4      4      4      4      4      4

$$
FORECASTER...AWB
REQUESTED BY...CHAD LORETH TYPE OF
REQUEST...PRESCRIBED .TAG 20150417.BISON.01/DMX



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