Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 310945
FWSDMX

SPOT FORECAST FOR MAYNARD REECE...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
445 AM CDT TUE MAR 31 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 31.
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...
WEAK HIGH PRESSURE WILL BE IN PLACE ACROSS IOWA TODAY. WINDS WILL
BE LIGHT TODAY WITH SPEEDS GENERALLY AROUND 10 MPH OR LESS HOWEVER
WE STILL HAVE DRY FUELS AND A WARM AND DRY AIRMASS IN PLACE
ACROSS IOWA SO RELATIVE HUMIDITIES WILL DROP TO AROUND 25 PERCENT
FOR A COUPLE HOURS THIS AFTERNOON AND FIRE DANGER WILL STILL BE
HIGH TODAY AS A RESULT.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........31 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 6 TO 12 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1300 FT AGL INCREASING TO 5000 FT AGL LATE IN
                    THE MORNING...THEN INCREASING TO 7500 FT AGL IN
                    THE AFTERNOON DECREASING TO 5100 FT AGL LATE IN
                    THE AFTERNOON.
MIXING WINDS........NORTHWEST 5 TO 12 MPH INCREASING TO 16 TO 25
                    MPH LATE IN THE MORNING.
SMOKE DISPERSAL.....POOR TO GOOD (1100-43800 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (74200-151300 KNOT-FT)
                    IN THE AFTERNOON.
WIND (20 FT)........NORTH WINDS 6 TO 12 MPH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........6   11  14  14  13  12  13
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............57  60  63  64  65  65  65
RH..............47  41  35  34  32  31  32
20 FT WIND DIR..NW  NW  NW  NW  NW  NW  N
20 FT WIND SPD..10  12  12  12  9   8   7
20 FT WIND GUST.15  15  15  15  15  10  10
EYE LVL WND DIR.NW  NW  NW  NW  NW  NW  N
EYE LVL WND SPD.7   9   9   9   6   6   5
EYE LVL WND GST.15  15  15  15  15  10  10
MIX HGT (KFT)...3.1 5.0 6.8 7.0 7.2 7.5 5.1
MIXNG WIND DIR..NW  NW  NW  NW  NW  NW  NW
MIXNG WIND SPD..16  21  24  25  23  21  16
HAINES INDEX....5   5   5   5   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).
MIN TEMPERATURE.....AROUND 46.
MAX HUMIDITY........71 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 5 MPH EARLY IN THE
                    EVENING BECOMING LIGHT...THEN BECOMING SOUTH 6
                    TO 12 MPH IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH EARLY IN THE
                    EVENING BECOMING LIGHT...THEN BECOMING SOUTH 6
                    TO 12 MPH IN THE LATE EVENING AND OVERNIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........14     15     16     13     15     23
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............64     53     48     47     47     47
RH..............33     54     63     68     68     68
20 FT WIND......NE 5   E 3    SE 7   SE 9   S 10   S 12
20 FT WIND GUST.       5             10
EYE LEVEL WIND..NE 4   E 2    SE 5   SE 6   S 7    S 9
EYE LVL WND GST.       5             10

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS LATE IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........36 PERCENT.
EYE LEVEL WINDS.....BREEZY. SOUTH WINDS 13 TO 22 MPH INCREASING TO
                    25 TO 29 MPH LATE IN THE MORNING.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 4800 FT AGL.
MIXING WINDS........SOUTH 10 TO 16 MPH INCREASING TO 37 TO 41 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (2300-50500 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (81900-164500 KNOT-FT)
                    IN THE AFTERNOON.
WIND (20 FT)........BREEZY. SOUTH WINDS 13 TO 22 MPH INCREASING TO
                    25 TO 29 MPH WITH GUSTS TO AROUND 40 MPH LATE
                    IN THE MORNING. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS LATE IN THE
                    AFTERNOON.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........27        29        50        64
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............46        53        67        76
RH..............71        61        43        36
20 FT WIND......S 13G15   S 18G25   S 28G40   S 28G40
EYE LEVEL WIND..S 9G15    S 13G25   S 20G40   S 20G40
MIX HGT (FT)....300       900       2700      4400
MIXNG WIND......S 10      S 20      S 36      S 40
HAINES INDEX....6         5         5         4

$$
FORECASTER...BOKSA
REQUESTED BY...BLAKE KNISLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20150331.MAYNA.01/DMX



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