Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 260833
FWSDMX

SPOT FORECAST FOR MCCALLSBURG ELEVATOR BURN...STORY CO EMA
NATIONAL WEATHER SERVICE DES MOINES IA
333 AM CDT SUN APR 26 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...
HIGH PRESSURE EXTENDING FROM NORTH CENTRAL CANADA INTO IOWA WILL
CONTINUE TO BUILD SOUTH. DRY WEATHER AND LIGHT NORTHEAST WINDS ARE
EXPECTED THROUGH MONDAY.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........28 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 6 TO 12 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 5400 FT AGL.
MIXING WINDS........NORTHEAST 5 TO 14 MPH INCREASING TO 14 TO 16
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (1100-38700 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (57300-75400 KNOT-FT) IN THE
                    AFTERNOON.
WIND (20 FT)........NORTHEAST WINDS 6 TO 12 MPH.

TIME (CDT)      8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........16  12  8   5   3   3   2   1   0   0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............40  45  49  53  55  57  59  60  61  61
RH..............76  60  50  41  38  34  32  29  28  29
20 FT WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
20 FT WIND SPD..8   8   8   9   10  12  12  12  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
EYE LVL WND SPD.6   6   6   6   7   9   9   9   9   9
EYE LVL WND GST.10  10  10  15  15  15  15  15  15  15
MIX HGT (KFT)...0.9 1.6 2.3 3.3 4.3 5.4 5.4 5.4 5.4 5.1
MIXNG WIND DIR..NE  NE  NE  NE  NE  NE  NE  NE  NE  NE
MIXNG WIND SPD..7   9   12  14  15  16  16  15  14  14
HAINES INDEX....5   4   4   4   4   4   4   5   5   5

.TONIGHT...

SKY/WEATHER.........CLEAR (0-5 PERCENT).
MIN TEMPERATURE.....AROUND 37.
MAX HUMIDITY........76 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 6 TO 10 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........NORTH 5 TO 14 MPH.
SMOKE DISPERSAL.....POOR TO EXCELLENT (1000-60500 KNOT-FT)
                    DECREASING TO POOR TO POOR (1000-1300 KNOT-FT)
                    AFTER MIDNIGHT.
WIND (20 FT)........NORTH WINDS 6 TO 10 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........0      0      1      2      2      1
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............60     55     47     42     40     39
RH..............33     43     60     70     73     73
20 FT WIND......NE 10  NE 8   NE 7   NE 6   N 6    N 6
20 FT WIND GUST.15     10
EYE LEVEL WIND..NE 7   NE 6   NE 5   NE 4   N 4    N 4
EYE LVL WND GST.15     10
MIX HGT (FT)....4900   3100   300    300    300    300
MIXNG WIND......NE 14  NE 12  NE 6   NE 5   N 5    N 6
HAINES INDEX....5      5      5      5      5      5

.MONDAY...

SKY/WEATHER.........SUNNY (0-5 PERCENT).
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........29 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 12 MPH.
HAINES INDEX........MISSING.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 6200 FT AGL.
MIXING WINDS........
SMOKE DISPERSAL.....POOR TO EXCELLENT (0-79800 KNOT-FT).
WIND (20 FT)........NORTHEAST WINDS 7 TO 12 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........2         1         3         2
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............37        48        60        66
RH..............75        56        37        30
20 FT WIND......N 7       N 8G10    N 10G15   N 12G15
EYE LEVEL WIND..N 5       N 6G10    N 7G15    N 9G15
MIX HGT (FT)....300       1700      4400      5900
MIXNG WIND......M         M         M         M
HAINES INDEX....M         M         M         M

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


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