Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 220859
FWSDMX

SPOT FORECAST FOR PLC EAST...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
359 AM CDT TUE APR 22 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...
HIGH PRESSURE WILL BUILD INTO THE AREA TODAY. EXPECT SUNSHINE WITH
NORTHERLY WINDS MIXING UP TO 12 TO 18 MPH THIS MORNING DIMINISHING BY
EARLY TO MID AFTERNOON. WETTING RAINS ARE EXPECTED TO RETURN TO THE
REGION BY WEDNESDAY EVENING AND ESPECIALLY WEDNESDAY NIGHT.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........30 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 8 TO 13 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 6300 FT AGL.
MIXING WINDS........NORTH 8 TO 13 MPH INCREASING TO 14 TO 23 MPH IN
                    THE LATE MORNING AND EARLY AFTERNOON...THEN
                    DECREASING TO 10 TO 13 MPH LATE IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (2300-15100 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (38300-77800 KNOT-FT) IN THE
                    LATE MORNING AND AFTERNOON.
WIND (20 FT)........NORTH WINDS 8 TO 13 MPH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........10  16  19  20  21  22  22
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............56  58  59  62  64  66  66
RH..............42  40  39  35  32  30  30
20 FT WIND DIR..N   N   N   N   N   N   N
20 FT WIND SPD..13  12  10  10  9   9   8
20 FT WIND GUST.15              10  10  10
EYE LVL WND DIR.N   N   N   N   N   N   N
EYE LVL WND SPD.9   9   7   7   6   6   6
EYE LVL WND GST.15              10  10  10
MIX HGT (KFT)...4.0 4.6 5.3 5.6 6.0 6.3 6.0
MIXNG WIND DIR..N   N   N   N   N   N   N
MIXNG WIND SPD..22  20  16  15  14  13  10
HAINES INDEX....3   3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........70 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 5 TO 8 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5700 FT AGL DECREASING TO 400 FT AGL.
MIXING WINDS........EAST 3 TO 9 MPH INCREASING TO 13 TO 15 MPH
                    EARLY IN THE MORNING.
SMOKE DISPERSAL.....POOR TO GOOD (800-38900 KNOT-FT).
WIND (20 FT)........EAST WINDS 5 TO 8 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........22     28     34     47     55     64
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............64     59     54     52     49     47
RH..............34     42     52     56     63     65
20 FT WIND......NE 7   NE 5   E 6    E 6    E 6    E 8
20 FT WIND GUST.       10                          10
EYE LEVEL WIND..NE 5   NE 4   E 4    E 4    E 4    E 6
EYE LVL WND GST.       10                          10
MIX HGT (FT)....5700   3700   300    300    300    300
MIXNG WIND......N 8    N 5    NE 3   E 5    E 9    E 15
HAINES INDEX....3      3      4      4      4      4

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........49 PERCENT.
EYE LEVEL WINDS.....SOUTHEAST WINDS 9 TO 18 MPH INCREASING TO 20 TO
                    22 MPH IN THE AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1900 FT AGL INCREASING TO 4500 FT AGL.
MIXING WINDS........SOUTHEAST 15 TO 24 MPH INCREASING TO 28 TO 36
                    MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO EXCELLENT (6000-66300 KNOT-FT)
                    INCREASING TO EXCELLENT TO EXCELLENT
                    (88300-140800 KNOT-FT) IN THE AFTERNOON.
WIND (20 FT)........SOUTHEAST WINDS 9 TO 18 MPH INCREASING TO 20 TO
                    22 MPH IN THE AFTERNOON. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........67        80        79        82
WEATHER COV.....          S CHC     S CHC     S CHC
WEATHER TYPE....NONE      RNSHWR    RNSHWR    RNSHWR
TSTM COV........          ISOLTD    ISOLTD    ISOLTD
TEMP............45        51        57        61
RH..............70        59        53        49
20 FT WIND......SE 9G10   SE 15G20  SE 18G25  SE 22G30
EYE LEVEL WIND..SE 6G10   SE 11G20  SE 13G25  SE 16G30
MIX HGT (FT)....500       1900      3700      4500
MIXNG WIND......SE 15     SE 20     SE 28     SE 36
HAINES INDEX....4         4         3         3

$$
FORECASTER...VACHALEK
REQUESTED BY...JIM KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20140422.PLCEA.01/DMX



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