Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 212244
FWSDMX

SPOT FORECAST FOR 12 MILE...IOWA DNR-USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
544 PM CDT MON APR 21 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 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...
SURFACE HIGH PRESSURE WILL BE CROSSING THE STATE TUESDAY WITH
DRIER CONDITIONS THAN MONDAY AND PLENTY OF SUNSHINE. WINDS WILL
BE RELATIVELY LIGHT WITH SEASONAL MIXING LEVELS.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 8 TO 17 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......6200 FT AGL DECREASING TO 2200 FT AGL.
MIXING WINDS........NORTH 20 TO 28 MPH DECREASING TO 8 TO 14 MPH IN
                    THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT TO EXCELLENT (73700-141800 KNOT-FT)
                    DECREASING TO POOR TO FAIR (1700-27200 KNOT-FT)
                    IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........NORTH WINDS 8 TO 17 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........25     9      0      0      0      0
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............70     64     56     52     50     46
RH..............38     40     51     59     63     71
20 FT WIND......N 17   N 13   N 10   N 9    N 9    N 9
20 FT WIND GUST.25     15            10     10     10
EYE LEVEL WIND..N 12   N 9    N 7    N 6    N 6    N 6
EYE LVL WND GST.25     15            10     10     10
MIX HGT (FT)....5800   4200   300    600    600    300
MIXNG WIND......N 28   N 20   N 9    N 9    N 10   N 9
HAINES INDEX....4      4      4      3      3      4

.TUESDAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........32 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS 7 TO 10 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1300 FT AGL INCREASING TO 6200 FT AGL.
MIXING WINDS........NORTHEAST 6 TO 15 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (1500-52500 KNOT-FT).
WIND (20 FT)........NORTHEAST WINDS 7 TO 10 MPH.

TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........0      3      7      10     12     13
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............42     46     55     60     64     66
RH..............79     65     49     37     32     33
20 FT WIND......N 8    N 10   N 10   NE 9   NE 8   NE 7
20 FT WIND GUST.10     15     15     15     10     10
EYE LEVEL WIND..N 6    N 7    N 7    NE 6   NE 6   NE 5
EYE LVL WND GST.10     15     15     15     10     10
MIX HGT (FT)....300    1300   3400   4800   5800   6200
MIXNG WIND......N 7    N 9    NE 15  N 13   N 9    N 7
HAINES INDEX....4      4      4      4      4      3

$$
FORECASTER...SMALL
REQUESTED BY...NATURAL RESOURCE TECH 2
TYPE OF REQUEST...PRESCRIBED
.TAG 20140422.12MIL.01/DMX



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