Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 242240
FWSDMX

SPOT FORECAST FOR MCCALLSBURG ELEVATOR BURN...STORY CO EMA
NATIONAL WEATHER SERVICE DES MOINES IA
540 PM CDT FRI APR 24 2015

FORECAST IS BASED ON IGNITION TIME OF 0730 CDT ON APRIL 26.
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...

WIND CONDITIONS WILL REMAIN PERSISTENT FROM THE NORTHEAST WITH
SMOKE PLUME MOVING TOWARDS THE SOUTHWEST. WIND GUSTS AT 20 FEET
WILL BE NEAR 25 MPH BY THE AFTERNOON HOURS. OTHERWISE EXPECT
MOSTLY SUNNY SKIES WITH RELATIVE HUMIDITY VALUES DROPPING INTO THE
UPPER 30S BY THE AFTERNOON.

.SUNDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........37 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 8 TO 13 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 4600 FT AGL LATE IN
                    THE MORNING.
MIXING WINDS........NORTHEAST 7 TO 13 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1500-45700 KNOT-FT).
WIND (20 FT)........NORTHEAST WINDS 8 TO 13 MPH.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........16  15  14  13  11  10  9   9   9   9   9
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............36  38  43  46  49  52  54  55  57  58  57
RH..............79  76  67  63  54  48  43  41  38  37  38
20 FT WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT WIND SPD..8   9   10  12  13  13  13  13  12  12  12
20 FT WIND GUST.10  10  15  15  15  15  15  15  15  15  15
EYE LVL WND DIR.NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
EYE LVL WND SPD.6   6   7   9   9   9   9   9   9   9   9
EYE LVL WND GST.10  10  15  15  15  15  15  15  15  15  15
MIX HGT (KFT)...0.3 0.9 1.6 2.2 2.8 3.3 3.9 4.1 4.3 4.6 4.3
MIXNG WIND DIR..NE  NE  NE  E   E   E   E   E   NE  NE  NE
MIXNG WIND SPD..7   7   8   9   10  12  13  13  12  12  13
HAINES INDEX....4   4   4   4   4   4   4   4   4   4   4

$$
FORECASTER...DONAVON
REQUESTED BY...KEITH MORGAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150426.MCCAL.01/DMX


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