FNUS73 KDMX 272147
FWSDMX

SPOT FORECAST FOR SNAKE CREEK MARSH...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
447 PM CDT TUE MAR 27 2012

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 28.
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 WILL BE EXITING THE AREA OVERNIGHT. THIS WILL ALLOW
WINDS TO DIMINISH THROUGH THE OVERNIGHT HOURS. WINDS ON WEDNESDAY WILL MIX
TO NEAR 10 MPH BUT REMAIN QUITE LIGHT FOR THE BALANCE OF THE PERIOD. SUNSHINE
WITH MINIMUM RELATIVE HUMIDITY NEAR 30 PERCENT IS EXPECTED.

.WEDNESDAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 72.
MIN HUMIDITY........29 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 5 TO 7 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 6400 FT AGL.
MIXING WINDS........NORTHWEST 6 TO 13 MPH SHIFTING TO THE NORTH
                    AROUND 10 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO POOR (1300-12200 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (42000-104600 KNOT-FT).
WIND (20 FT)........NORTH WINDS 5 TO 7 MPH.

TIME (CDT)      7 AM      10 AM     1 PM      4 PM
SKY (%).........19        20        21        22
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............49        57        66        71
RH..............68        57        37        29
20 FT WIND......NW 5      NW 7      NW 7      NW 7
EYE LEVEL WIND..NW 4G5    NW 5      NW 5      NW 5
MIX HGT (FT)....300       1600      4700      6400
MIXNG WIND......W 6       NW 16     NW 22     NW 18
HAINES INDEX....4         4         4         4

$$
FORECASTER...VACHALEK
REQUESTED BY...WILDLIFE
TYPE OF REQUEST...PRESCRIBED
.TAG 20120328.SNAKE.01/DMX