Suppression Forecast
Issued by NWS Des Moines, IA

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FNUS73 KDMX 110958
FWSDMX

SPOT FORECAST FOR PLC FALL...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
358 AM CST THU DEC 11 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...
STRATUS DECK WILL HANG AROUND AGAIN TODAY...VARYING FROM 800 FEET TO
AROUND 1100 FEET THROUGHOUT THE DAY. WINDS WILL REMAIN LIGHT...IF THERE
IS A DIRECTION IT WOULD MORE THAN LIKELY BE FROM THE SOUTHEAST. TEMPS
SHOULD STRUGGLE TO INCREASE MUCH TODAY WITH THE STRATUS OVERHEAD AND
WILL REMAIN IN THE UPPER 20S AROUND IGNITION TIME.

.TODAY...

SKY/WEATHER.........CLOUDY (95-100 PERCENT).
TEMPERATURE.........28 AT IGNITION...MAX 37.
RH..................92 PERCENT AT IGNITION...MIN 72 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH EARLY IN
                    THE MORNING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 2500 FT AGL LATE IN
                    THE AFTERNOON.
MIXING WINDS........SOUTHWEST 3 TO 6 MPH.
SMOKE DISPERSAL.....POOR TO POOR (800-9900 KNOT-FT).
WIND (20 FT)........WINDS SOUTHEAST AT 6 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING SOUTH
                    5 TO 7 MPH EARLY IN THE MORNING.

TIME (CST)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........100 100 100 100 100 100 100 100
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............28  28  29  31  35  37  37  36
RH..............92  92  92  88  75  72  72  75
20 FT WIND DIR..SE  S   S   S   S   S   S   S
20 FT WIND SPD..6   6   7   7   7   7   7   6
20 FT WIND GUST.
EYE LVL WND DIR.SE  S   S   S   S   S   S   S
EYE LVL WND SPD.4   4   5   5   5   5   5   4
EYE LVL WND GST.
MIX HGT (KFT)...0.3 0.3 0.3 1.0 1.7 2.5 2.4 2.3
MIXNG WIND DIR..SW  SW  SW  SW  SW  SW  SW  S
MIXNG WIND SPD..5   6   6   6   5   5   5   5
HAINES INDEX....3   3   3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........CLOUDY (85-95 PERCENT).
TEMPERATURE.........MIN 33.
RH..................MAX 85 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 6 MPH.
MIXING HEIGHT.......2200 FT AGL.
MIXING WINDS........SOUTH 5 TO 7 MPH.
SMOKE DISPERSAL.....POOR TO POOR (1300-8900 KNOT-FT).
WIND (20 FT)........SOUTH WINDS 5 TO 6 MPH.

TIME (CST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........100    83     87     90     89     89
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............35     34     34     33     33     33
RH..............78     82     82     82     82     82
20 FT WIND......S 5    S 6    S 6    S 6    S 6    S 6
20 FT WIND GUST.
EYE LEVEL WIND..S 4    S 4    S 4    S 4    S 4    S 4
EYE LVL WND GST.
MIX HGT (FT)....2200   900    300    300    600    700
MIXNG WIND......S 5    SW 6   SW 7   S 6    S 6    S 6

.FRIDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT).
TEMPERATURE.........MAX 45.
RH..................MIN 76 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 6 TO 9 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2400 FT AGL INCREASING TO 2600 FT AGL IN THE
                    AFTERNOON.
MIXING WINDS........SOUTHEAST 7 TO 9 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (3200-19500 KNOT-FT).
WIND (20 FT)........SOUTH WINDS 6 TO 9 MPH.

TIME (CST)      6 AM      9 AM      NOON      3 PM
SKY (%).........90        88        88        88
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............33        36        42        45
RH..............85        82        79        76
20 FT WIND......S 6       S 8G10    S 9G10    S 8G10
EYE LEVEL WIND..S 4G5     S 6G10    S 6G10    S 6G10
MIX HGT (FT)....500       2000      2400      2600
MIXNG WIND......S 7       S 8       SW 9      S 8
HAINES INDEX....5         5         5         5

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


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