Suppression Forecast
Issued by NWS Des Moines, IA

000
FNUS73 KDMX 221451
FWSDMX

SPOT FORECAST FOR SNAKE CREEK WMA...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
951 AM CDT WED MAY 22 2013

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 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...
LOW PRESSURE OVER NORTHEAST IOWA WILL SLOWLY SHIFT EAT OUT OF THE STATE BY LATE
TONIGHT.  AREAS OF DRIZZLE AND FOG ALONG WITH SCATTERED SHOWERS WILL PERSIST
INTO THE EVENING HOURS.  RAINFALL AMOUNTS WILL BE LIGHT DESPITE THE FAIRLY
PROLONGED PERIOD OF PRECIPITATION.

.TODAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS LIKELY AND
                    PATCHY DRIZZLE.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........64 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS 8 TO 16 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......3800 FT AGL INCREASING TO 4300 FT AGL EARLY IN
                    THE AFTERNOON.
MIXING WINDS........NORTHWEST 8 TO 16 MPH INCREASING TO 18 TO 20
                    MPH EARLY IN THE AFTERNOON.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (15000-73500 KNOT-FT).
WIND (20 FT)........NORTHWEST WINDS 8 TO 16 MPH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........100 99  99  99  99  99  99  100
WEATHER COV.....CHC LKY LKY CHC CHC CHC CHC SCH
WEATHER TYPE....RW  RW  RW  RW  RW  RW  RW  RW
TSTM COV........
TEMP............58  58  59  59  60  60  60  58
RH..............77  77  72  72  67  67  64  67
20 FT WIND DIR..W   NW  NW  NW  NW  NW  NW  NW
20 FT WIND SPD..12  13  14  14  14  15  15  16
20 FT WIND GUST.15  15  20  20  20  20  20  20
EYE LVL WND DIR.W   NW  NW  NW  NW  NW  NW  NW
EYE LVL WND SPD.9   9   10  10  10  11  11  11
EYE LVL WND GST.15  15  20  20  20  20  20  20
MIX HGT (KFT)...2.8 3.2 3.6 3.8 4.1 4.3 3.8 3.4
MIXNG WIND DIR..W   NW  NW  NW  NW  NW  NW  NW
MIXNG WIND SPD..9   12  14  16  18  20  20  18
HAINES INDEX....3   3   3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN
                    SHOWERS AND PATCHY DRIZZLE IN THE EVENING.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........89 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 12 TO 16 MPH.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2900 FT AGL DECREASING TO 800 FT AGL LATE IN
                    THE EVENING.
MIXING WINDS........NORTH 17 TO 21 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (4300-42900 KNOT-FT).
WIND (20 FT)........NORTH WINDS 12 TO 16 MPH.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........100    99     98     97     86     71
WEATHER COV.....S CHC  S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE   NONE   NONE
TSTM COV........
TEMP............56     55     53     52     50     49
RH..............69     74     80     83     86     89
20 FT WIND......NW 16  NW 14  NW 13  NW 12  N 12   N 13
20 FT WIND GUST.25     20     15     15     15     15
EYE LEVEL WIND..NW 11  NW 10  NW 9   NW 9   N 9    N 9
EYE LVL WND GST.25     20     15     15     15     15
MIX HGT (FT)....2900   1900   1000   300    300    500
MIXNG WIND......NW 17  NW 18  NW 21  NW 21  N 20   N 20
HAINES INDEX....3      3      3      3      3      3

$$
FORECASTER...BOKSA
REQUESTED BY...IOWA DNR
TYPE OF REQUEST...PRESCRIBED
.TAG 20130522.SNAKE.01/DMX