FNUS73 KDMX 012140
FWSDMX

SPOT FORECAST FOR INTERIM RX...U.S. FISH & WILDLIFE
NATIONAL WEATHER SERVICE DES MOINES IA
440 PM CDT SUN MAY 1 2011

FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON MAY 02.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

PLEASE REMEMBER TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER
SERVICE FOR EACH PRESCRIBED BURN.

.DISCUSSION...
HIGH PRESSURE ACROSS THE AREA WILL PROVIDE THE REGION WITH GENERALLY LESS WIND
BY MONDAY. HOWEVER...RELATIVE HUMIDITY WILL REMAIN RATHER LOW IN THE MID 20S.
WINDS MIXING TO 15 TO 18 MPH DURING THE LATE MORNING HOURS CAN BE EXPECTED. THE
DRY WEATHER WILL PERSIST THROUGH MIDWEEK THOUGH STRONGER SOUTH WINDS ARE
ANTICIPATED BY WEDNESDAY.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). PATCHY FROST
                    EARLY IN THE MORNING.
MIN TEMPERATURE.....AROUND 34.
MAX HUMIDITY........59 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......4200 FT AGL DECREASING TO 1600 FT AGL EARLY IN
                    THE EVENING.
MIXING WINDS........NORTHWEST 6 TO 14 MPH.
SMOKE DISPERSAL.....GOOD (50900 KNOT-FT).
WIND (20 FT)........NORTHWEST WINDS 6 TO 14 MPH.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........38     33     25     20     21     21
WEATHER COV.....                                   PATCHY
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   FROST
TEMP............53     47     44     41     38     37
RH..............31     42     51     59     64     67
20 FT WIND......W 14   W 9    W 8    NW 8   NW 8   NW 7
20 FT WIND GUST.20     10     10     10     10
MIX HGT (FT)....4200   1600   300    300    300    300
MIXNG WIND......W 14   SW 9   SW 6   W 6    W 6    NW 8
HAINES INDEX....5      5      5      5      5      5

.MONDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........35 PERCENT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 6700 FT AGL.
MIXING WINDS........NORTHWEST 13 TO 18 MPH.
SMOKE DISPERSAL.....GOOD (67200 KNOT-FT) INCREASING TO EXCELLENT
                    (109300 KNOT-FT) IN THE AFTERNOON.
WIND (20 FT)........NORTHWEST WINDS 6 TO 13 MPH.

TIME (CDT)      7 AM      10 AM     1 PM      4 PM
SKY (%).........22        24        33        36
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TEMP............36        46        53        56
RH..............67        47        38        35
20 FT WIND......NW 6      NW 10G15  NW 13G15  NW 12G15
MIX HGT (FT)....500       3900      5600      6700
MIXNG WIND......N 13      NW 16     NW 15     NW 16
HAINES INDEX....5         5         4         4

$$
FORECASTER...VACHALEK
REQUESTED BY...JIM KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20110502.INTER.01/DMX

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