Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 051336
FWSDMX

SPOT FORECAST FOR DUNBAR SLOUGH...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
836 AM CDT THU MAY 5 2016

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MAY 05.
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...
THE SURFACE WIND WILL BE LIGHT AND VARIABLE EARLY BECOMING WEST
SOUTHWEST BY NOON. RELATIVE HUMIDITY VALUES WILL DROP TO AROUND
30 PERCENT BY THIS AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........30 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
                    THE AFTERNOON.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 5500 FT AGL.
MIXING WINDS........NORTHEAST 2 TO 3 MPH SHIFTING TO THE SOUTH 3 TO
                    5 MPH LATE IN THE MORNING...THEN SHIFTING TO
                    THE WEST 2 TO 5 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (500-23200 KNOT-FT).
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN
                    THE AFTERNOON.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
SKY (%).........10  9   11  9   7
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............68  70  72  73  73
RH..............39  36  33  32  32
20 FT WIND DIR..SW  WSW WSW WSW W
20 FT WIND SPD..3   3   3   3   5
20 FT WIND GUST.5   5   5   5
EYE LVL WND DIR.SW  WSW WSW WSW W
EYE LVL WND SPD.2   2   2   2   4
EYE LVL WND GST.5   5   5   5
MIX HGT (KFT)...4.6 4.9 5.2 5.5 5.2
MIXNG WIND DIR..NW  NW  WNW W   W
MIXNG WIND SPD..2   2   3   5   5
HAINES INDEX....5   5   6   6   5

.TONIGHT...

SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........74 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 6 TO 7 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4900 FT AGL DECREASING TO 1700 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
MIXING WINDS........SOUTHWEST 6 TO 7 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (1300-23600 KNOT-FT).
WIND (20 FT)........SOUTHWEST WINDS 6 TO 7 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........3      2      0      0      0      1
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............74     69     61     57     55     54
RH..............32     40     56     62     66     66
20 FT WIND......W 6    SW 6   SW 6   SW 7   WSW 7  WSW 7
20 FT WIND GUST.                     10     10     10
EYE LEVEL WIND..W 4    SW 4   SW 4   SW 5   WSW 5  WSW 5
EYE LVL WND GST.                     10     10     10
MIX HGT (FT)....4900   3200   300    300    300    300
MIXNG WIND......W 6    WSW 6  SSW 6  SW 7   WSW 7  WSW 7
HAINES INDEX....5      4      4      5      5      5

.FRIDAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 86.
MIN HUMIDITY........29 PERCENT.
EYE LEVEL WINDS.....SOUTHWEST WINDS 6 TO 15 MPH INCREASING TO 15 TO
                    17 MPH IN THE AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 8000 FT AGL.
MIXING WINDS........SOUTHWEST 6 TO 14 MPH INCREASING TO 16 TO 22
                    MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR TO GOOD (1200-43500 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (127300-151200 KNOT-FT).
WIND (20 FT)........SOUTHWEST WINDS 6 TO 15 MPH INCREASING TO 15 TO
                    17 MPH IN THE AFTERNOON.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........1         0         0         12
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............52        65        79        84
RH..............74        54        36        30
20 FT WIND......WSW 6     WSW 9G10  SW 15G20  SW 17G25
EYE LEVEL WIND..WSW 4G5   WSW 6G10  SW 11G20  SW 12G25
MIX HGT (FT)....300       1100      4700      7400
MIXNG WIND......SW 6      WSW 10    SW 18     SW 22
HAINES INDEX....5         5         5         5

$$
FORECASTER...BOKSA
REQUESTED BY...DEAN NELSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20160505.DUNBA.01/DMX


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