Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 221323
FWSDMX

SPOT FORECAST FOR UNION HILLS-SOUTH...IA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
823 AM CDT FRI APR 22 2016

FORECAST IS BASED ON IGNITION TIME OF 1500 CDT ON APRIL 22.
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...

CLOUDS WILL GRADUALLY CLEAR TODAY WITH LIGHT NORTH TO
NORTHEASTERLY WINDS. AN INVERSION ALOFT AND LIGHT WINDS WILL LIMIT
MIXING HEIGHTS TO AROUND 3 TO 4 KFT WITH DAYTIME RH VALUES
FALLING TO THE 40 TO 50 PERCENT RANGE THIS AFTERNOON. WINDS WILL
SWITCH TO THE SOUTHEAST THIS EVENING AND INCREASE TOMORROW.

.TODAY...

SKY/WEATHER.........CLOUDY (90-100 PERCENT) THEN BECOMING MOSTLY
                    SUNNY (30-40 PERCENT).
TEMPERATURE.........59 AT IGNITION...MAX 61.
RH..................51 PERCENT AT IGNITION...MIN 48 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 8 TO 16 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2300 FT AGL INCREASING TO 4200 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........NORTH 9 TO 18 MPH DECREASING TO 5 TO 8 MPH IN
                    THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (12500-24800 KNOT-FT).
WIND (20 FT)........WINDS NORTHEAST AT 9 MPH AT
                    IGNITION...OTHERWISE NORTHEAST WINDS 8 TO 16
                    MPH.

TIME (CDT)      3PM 4PM 5PM
SKY (%).........30  11  12
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............59  60  61
RH..............51  49  48
20 FT WIND DIR..NNE NNE NNE
20 FT WIND SPD..9   8   8
20 FT WIND GUST.10  10  10
EYE LVL WND DIR.NNE NNE NNE
EYE LVL WND SPD.6   6   6
EYE LVL WND GST.10  10  10
MIX HGT (KFT)...4.0 4.2 4.1
MIXNG WIND DIR..N   N   NNE
MIXNG WIND SPD..7   6   5
HAINES INDEX....3   3   3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
TEMPERATURE.........MIN 44.
RH..................MAX 93 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 7 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3900 FT AGL DECREASING TO 1400 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
MIXING WINDS........SOUTHEAST 3 TO 9 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (1000-13300 KNOT-FT).
WIND (20 FT)........SOUTHEAST WINDS AROUND 7 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........3      3      12     7      9      19
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............61     57     51     47     46     44
RH..............48     55     68     79     83     93
20 FT WIND......ENE 7  E 7    ESE 7  SE 7   SE 7   SSE 7
20 FT WIND GUST.
EYE LEVEL WIND..ENE 5  E 5    ESE 5  SE 5   SE 5   SSE 5
EYE LVL WND GST.
MIX HGT (FT)....3900   2600   300    300    300    300
MIXNG WIND......ENE 3  ENE 3  E 5    E 6    ESE 6  SSE 7
HAINES INDEX....4      4      4      5      5      4

.SATURDAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
TEMPERATURE.........MAX 72.
RH..................MIN 44 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 8 TO 17 MPH INCREASING TO 18 TO 21
                    MPH IN THE AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL INCREASING TO 3600 FT AGL IN THE
                    LATE MORNING AND AFTERNOON.
MIXING WINDS........SOUTH 13 TO 22 MPH INCREASING TO 23 TO 25 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (2600-52000 KNOT-FT) INCREASING TO
                    EXCELLENT (60600-78000 KNOT-FT) IN THE AFTERNOON.
WIND (20 FT)........SOUTH WINDS 8 TO 17 MPH INCREASING TO 18 TO 21
                    MPH IN THE AFTERNOON.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........29        30        27        32
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............44        53        65        70
RH..............93        71        54        47
20 FT WIND......SSE 8G10  S 14G20   S 17G25   S 21G30
EYE LEVEL WIND..SSE 6G10  S 10G20   S 12G25   S 15G30
MIX HGT (FT)....300       1800      3300      3600
MIXNG WIND......S 13      S 18      S 22      S 22
HAINES INDEX....4         4         5         5

$$
FORECASTER...SKOW
REQUESTED BY...ALEX FOSADO
TYPE OF REQUEST...PRESCRIBED
.TAG 20160422.UNION.02/DMX


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