Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 171526
FWSDMX

SPOT FORECAST FOR HARMON LAKE WMA...IOWA DNR-USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
1026 AM CDT THU JUL 17 2014

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON JULY 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...

HIGH PRESSURE IN EASTERN IOWA WILL SLIDE INTO THE OHIO RIVER VALLEY
THIS AFTERNOON WITH LIGHT SURFACE WINDS BECOMING SOUTHWEST BUT REMAINING
RELATIVELY LIGHT.  RELATIVE HUMIDITY VALUES WILL REMAIN AROUND 50 PERCENT
INTO THE AFTERNOON WITH MOSTLY SUNNY CONDITIONS.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
TEMPERATURE.........74 AT IGNITION...MAX 78.
RH..................50 PERCENT AT IGNITION...MIN 47 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH LATE
                    IN THE MORNING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 8000 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 12 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1000-47800 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (54900-66200 KNOT-FT) LATE IN
                    THE AFTERNOON.
WIND (20 FT)........WINDS SOUTHWEST AT 6 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING
                    SOUTHWEST 5 TO 7 MPH LATE IN THE MORNING.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
SKY (%).........45  44  41  40  38
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............74  75  77  78  78
RH..............50  50  47  47  47
20 FT WIND DIR..SW  SW  SW  SW  S
20 FT WIND SPD..6   6   7   7   7
20 FT WIND GUST.10  10  10  10  10
EYE LVL WND DIR.SW  SW  SW  SW  S
EYE LVL WND SPD.4   4   5   5   5
EYE LVL WND GST.10  10  10  10  10
MIX HGT (KFT)...6.3 6.9 7.4 8.0 7.4
MIXNG WIND DIR..W   W   SW  SW  SW
MIXNG WIND SPD..8   8   8   9   10
HAINES INDEX....4   4   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
TEMPERATURE.........MIN 56.
RH..................MAX 90 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 7 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6800 FT AGL DECREASING TO 2200 FT AGL.
MIXING WINDS........SOUTH 7 TO 12 MPH.
SMOKE DISPERSAL.....GOOD TO EXCELLENT (37600-66600 KNOT-FT)
                    DECREASING TO POOR TO FAIR (1500-16300 KNOT-FT)
                    IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH.

TIME (CDT)      6 PM      9 PM      MIDNGT    3 AM
SKY (%).........33        15        12        13
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............76        67        60        58
RH..............52        70        87        86
20 FT WIND......S 7       S 6       S 5       S 5
EYE LEVEL WIND..S 5       S 4G5     S 4G5     S 4G5
MIX HGT (FT)....6800      2200      300       300
MIXNG WIND......SW 12     S 8       S 7       S 8
HAINES INDEX....4         4         4         3

$$
FORECASTER...COGIL
REQUESTED BY...TODD WALROD
TYPE OF REQUEST...PRESCRIBED
.TAG 20140717.HARMO.01/DMX


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