Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 252048
FWSDMX

SPOT FORECAST FOR MCCALLSBURG ELEVATOR BURN...STORY CO EMA
NATIONAL WEATHER SERVICE DES MOINES IA
348 PM CDT SAT APR 25 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...

SKIES WILL CLEAR OVERNIGHT WITH MOSTLY SUNNY CONDITIONS ON SUNDAY.
WINDS WILL REMAIN NORTHEAST OVERNIGHT INTO SUNDAY WITH LIGHTEST
WINDS AROUND DAYBREAK. THE WINDS WILL STRENGTHEN MODESTLY ON
SUNDAY AND REMAIN FROM THE NORTHEAST.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (25-35 PERCENT).
TEMPERATURE.........MIN 35.
RH..................MAX 82 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 8 TO 17 MPH DECREASING TO 7 TO
                    8 MPH AFTER MIDNIGHT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL.
MIXING WINDS........EAST 16 TO 24 MPH BECOMING NORTHEAST 5 TO 10
                    MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR TO GOOD (1000-31900 KNOT-FT).
WIND (20 FT)........NORTHEAST WINDS 8 TO 17 MPH DECREASING TO 7 TO
                    8 MPH AFTER MIDNIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........90     79     58     41     31     21
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............49     48     45     43     41     38
RH..............77     74     79     82     79     79
20 FT WIND......NE 17  NE 14  NE 9   NE 7   NE 7   NE 8
20 FT WIND GUST.25     20     15     10     10     10
EYE LEVEL WIND..NE 12  NE 10  NE 6   NE 5   NE 5   NE 6
EYE LVL WND GST.25     20     15     10     10     10
MIX HGT (FT)....1500   400    300    300    300    300
MIXNG WIND......E 24   E 16   NE 6   NE 5   NE 6   NE 6
HAINES INDEX....4      4      3      3      3      4

.SUNDAY...

SKY/WEATHER.........SUNNY (0-10 PERCENT).
TEMPERATURE.........42 AT IGNITION...MAX 60.
RH..................67 PERCENT AT IGNITION...MIN 29 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 13 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1500 FT AGL INCREASING TO 5000 FT AGL.
MIXING WINDS........EAST 6 TO 15 MPH SHIFTING TO THE NORTHEAST 15
                    TO 17 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO EXCELLENT (1300-69400 KNOT-FT)
                    INCREASING TO EXCELLENT TO EXCELLENT
                    (62500-67300 KNOT-FT) LATE IN THE AFTERNOON.
WIND (20 FT)........WINDS NORTHEAST AT 9 MPH AT
                    IGNITION...OTHERWISE NORTHEAST WINDS 7 TO 13
                    MPH.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........11  8   7   7   6   4   3   2   2   1   1   1
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............35  35  38  42  46  50  53  56  57  59  60  60
RH..............78  75  67  60  51  42  38  32  31  30  29  29
20 FT WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT WIND SPD..7   7   8   9   10  12  12  13  13  13  12  12
20 FT WIND GUST.10      10  10      15  15  15  15  15  15  15
EYE LVL WND DIR.NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
EYE LVL WND SPD.5   5   6   6   7   9   9   9   9   9   9   9
EYE LVL WND GST.10      10  10      15  15  15  15  15  15  15
MIX HGT (KFT)...0.3 0.3 0.7 1.1 1.5 2.5 3.6 4.6 4.7 4.8 5.0 4.8
MIXNG WIND DIR..NE  NE  NE  E   E   E   NE  NE  NE  NE  NE  NE
MIXNG WIND SPD..6   7   8   10  13  15  16  17  17  16  15  15
HAINES INDEX....5   5   5   4   4   4   5   5   5   5   5   5

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


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