Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 221429
FWSDMX

SPOT FORECAST FOR HEFFERNAN...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
929 AM CDT TUE APR 22 2014

FORECAST IS BASED ON IGNITION TIME OF 0935 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...

QUIET WEATHER IS EXPECTED TODAY WITH WIDESPREAD SUNSHINE AS HIGH
PRESSURE MOVES OVERHEAD.  WINDS WILL GENERALLY BE FROM THE NORTH
WITH A FEW HIGHER GUSTS FROM TIME TO TIME...ESPECIALLY IN THE
AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
TEMPERATURE.........50 AT IGNITION...MAX 60.
RH..................60 PERCENT AT IGNITION...MIN 36 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 8 TO 15 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 6000 FT AGL.
MIXING WINDS........NORTH 9 TO 15 MPH INCREASING TO 16 TO 25 MPH IN
                    THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....FAIR (14700 KNOT-FT) INCREASING TO
                    EXCELLENT (100000 KNOT-FT).
WIND (20 FT)........WINDS NORTH AT 7 MPH AT IGNITION...OTHERWISE
                    NORTH WINDS 8 TO 15 MPH.

TIME (CDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8   12  19  22  20  17  15  20
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............46  50  53  55  57  59  60  60
RH..............60  52  46  43  42  39  37  36
20 FT WIND DIR..N   N   N   N   N   N   N   N
20 FT WIND SPD..14  15  15  14  14  14  13  12
20 FT WIND GUST.20  20  20  20  15  15  15
EYE LVL WND DIR.N   N   N   N   N   N   N   N
EYE LVL WND SPD.10  11  11  10  10  10  9   9
EYE LVL WND GST.20  20  20  20  15  15  15
MIX HGT (KFT)...2.8 3.7 4.5 5.4 5.6 5.8 6.0 5.8
MIXNG WIND DIR..N   N   N   N   N   N   N   N
MIXNG WIND SPD..24  25  25  24  23  21  18  16
HAINES INDEX....3   3   3   3   3   3   3   3

$$
FORECASTER...COGIL
REQUESTED BY...JUSTIN CLARK
TYPE OF REQUEST...PRESCRIBED
.TAG 20140422.HEFFE.01/DMX



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