Suppression Forecast
Issued by NWS Des Moines, IA

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FNUS73 KDMX 260947
FWSDMX

SPOT FORECAST FOR BRUSH PILES SPRING THV...U.S. FISH AND WILDLIFE SERVICE
NATIONAL WEATHER SERVICE DES MOINES IA
447 AM CDT TUE MAY 26 2015

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 26.
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...

A COOLER WET DAY IS EXPECTED TODAY...WITH PERIODS OF SHOWERS
AND ISOLATED THUNDERSTORMS EXPECTED TODAY INTO TONIGHT.
DRY CONDITIONS WITH WARMER TEMPS CAN BE EXPECTED FOR WEDNESDAY.

.TODAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). SHOWERS AND ISOLATED
                    THUNDERSTORMS IN THE MORNING...THEN CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........66 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 5 TO 10 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 5300 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 14 MPH INCREASING TO 16 TO 18
                    MPH EARLY IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO EXCELLENT (1700-64500 KNOT-FT)
                    INCREASING TO EXCELLENT TO EXCELLENT
                    (71500-85600 KNOT-FT) LATE IN THE AFTERNOON.
WIND (20 FT)........WEST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE MORNING.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS IN THE AFTERNOON.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
SKY (%).........79  80  81  81  81
WEATHER COV.....CHC CHC CHC CHC CHC
WEATHER TYPE....RW  RW  RW  RW  RW
TSTM COV........CHC CHC CHC CHC CHC
TEMP............71  72  73  73  73
RH..............73  68  66  66  66
20 FT WIND DIR..W   W   W   W   W
20 FT WIND SPD..8   9   9   10  10
20 FT WIND GUST.10  10  10  15  15
EYE LVL WND DIR.W   W   W   W   W
EYE LVL WND SPD.6   6   6   7   7
EYE LVL WND GST.10  10  10  15  15
MIX HGT (KFT)...4.2 4.6 5.0 5.3 4.7
MIXNG WIND DIR..W   W   SW  SW  W
MIXNG WIND SPD..14  16  18  18  17
HAINES INDEX....3   3   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN
                    SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 59.
MAX HUMIDITY........90 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 6 TO 10 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......4100 FT AGL DECREASING TO 1300 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
MIXING WINDS........SOUTHWEST 6 TO 15 MPH DECREASING TO 3 TO 5 MPH
                    EARLY IN THE MORNING.
SMOKE DISPERSAL.....POOR TO GOOD (1100-54600 KNOT-FT) DECREASING TO
                    POOR TO POOR (900-1300 KNOT-FT) AFTER MIDNIGHT.
WIND (20 FT)........WEST WINDS 6 TO 10 MPH. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS UNTIL EARLY
                    MORNING.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........79     77     69     61     56     46
WEATHER COV.....CHANCE CHANCE CHANCE S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR NONE
TSTM COV........CHANCE CHANCE CHANCE S CHC  S CHC
TEMP............73     68     64     63     62     60
RH..............66     78     87     87     84     87
20 FT WIND......W 10   W 9    W 6    W 6    W 6    W 6
20 FT WIND GUST.15     10
EYE LEVEL WIND..W 7    W 6    W 4    W 4    W 4    W 4
EYE LVL WND GST.15     10
MIX HGT (FT)....4100   2400   300    300    300    300
MIXNG WIND......W 15   W 10   W 6    SW 6   SW 6   SW 5
HAINES INDEX....3      3      3      4      4      3

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........47 PERCENT.
EYE LEVEL WINDS.....WEST WINDS 5 TO 7 MPH BECOMING LIGHT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL INCREASING TO 7600 FT AGL.
MIXING WINDS........NORTHWEST 2 TO 8 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (800-37300 KNOT-FT).
WIND (20 FT)........WEST WINDS 5 TO 7 MPH BECOMING LIGHT.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........35        31        28        25
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............59        68        76        79
RH..............90        70        52        47
20 FT WIND......W 6       W 6       NW 7      W 6
EYE LEVEL WIND..W 4G5     W 4G5     NW 5      W 4G5
MIX HGT (FT)....300       3400      5900      7200
MIXNG WIND......SW 3      W 7       NW 7      NW 3
HAINES INDEX....3         3         4         4

$$
FORECASTER...BEERENDS
REQUESTED BY...JIM KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150526.BRUSH.01/DMX



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