Suppression Forecast
Issued by NWS Des Moines, IA

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FNUS73 KDMX 102347
FWSDMX

SPOT FORECAST FOR PLC FALL...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
547 PM CST WED DEC 10 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON DECEMBER 11.
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...
WINDS WILL BE LIGHT AND GENERALLY FROM THE SOUTH...BUT VARIABLE AT
TIMES...WITH SPEEDS OF LESS THAN 10 MPH. SKIES WILL BE BROKEN TO
OVERCAST WITH MIXING HEIGHTS NEAR OR BELOW 2000 FEET. RELATIVE
HUMIDITY WILL BE SLOW TO DECREASE AFTER SUNRISE...WITH A MINIMUM OF
AROUND 70 PERCENT IN THE AFTERNOON.

.THURSDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT).
TEMPERATURE.........32 AT IGNITION...MAX 40.
RH..................81 PERCENT AT IGNITION...MIN 64 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE
                    LATE MORNING AND AFTERNOON.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL.
MIXING WINDS........SOUTH 3 TO 7 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (4200-13600 KNOT-FT).
WIND (20 FT)........WINDS SOUTH AT 5 MPH AT IGNITION...OTHERWISE
                    LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH IN THE
                    LATE MORNING AND AFTERNOON.

TIME (CST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........90  88  87  86  84  82  81  79
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............32  34  36  38  40  40  38  36
RH..............81  75  72  70  64  67  73  75
20 FT WIND DIR..S   S   S   S   S   S   S   S
20 FT WIND SPD..5   6   7   7   7   6   6   5
20 FT WIND GUST.
EYE LVL WND DIR.S   S   S   S   S   S   S   S
EYE LVL WND SPD.4   4   5   5   5   4   4   4
EYE LVL WND GST.
MIX HGT (KFT)...1.7 2.0 2.1 2.1 2.1 2.1 1.8 1.9
MIXNG WIND DIR..S   S   SW  SW  S   S   S   S
MIXNG WIND SPD..7   7   7   7   6   6   6   6
HAINES INDEX....2   2   2   2   3   3   3   3

.THURSDAY NIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
TEMPERATURE.........MIN 32.
RH..................MAX 89 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
                    BECOMING LIGHT...THEN BECOMING SOUTH AROUND 5
                    MPH LATE IN THE EVENING.
MIXING HEIGHT.......1600 FT AGL.
MIXING WINDS........SOUTH 6 TO 10 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (2700-13900 KNOT-FT).
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
                    BECOMING LIGHT...THEN BECOMING SOUTH AROUND 5
                    MPH LATE IN THE EVENING.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........78     81     85     88     87     87
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............34     34     34     32     32     33
RH..............82     82     82     85     88     85
20 FT WIND......S 5    S 3    S 3    S 5    S 5    S 5
20 FT WIND GUST.       5      5
EYE LEVEL WIND..S 4    S 2    S 2    S 4    S 4    S 4
EYE LVL WND GST.       5      5
MIX HGT (FT)....1600   1600   1200   500    500    500
MIXNG WIND......S 7    S 9    SW 9   SW 7   SW 7   S 7

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT).
TEMPERATURE.........MAX 46.
RH..................MIN 76 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 7 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL.
MIXING WINDS........SOUTH 6 TO 8 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (2600-20600 KNOT-FT).
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH.

TIME (CST)      6 AM      9 AM      NOON      3 PM
SKY (%).........86        86        86        86
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............33        36        42        46
RH..............85        85        86        79
20 FT WIND......S 5       S 7       S 7       S 7
EYE LEVEL WIND..S 4G5     S 5       S 5       S 5
MIX HGT (FT)....500       700       2100      2100
MIXNG WIND......S 6       S 7       S 7       S 8
HAINES INDEX....5         5         5         5

$$
FORECASTER...LEE
REQUESTED BY...JIM KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20141211.PLCFA.01/DMX



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