Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 220907
FWSDMX

SPOT FORECAST FOR GOOD NEIGHBORS...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
407 AM CDT TUE APR 22 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 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...
HIGH PRESSURE WILL BUILD INTO THE AREA TODAY. EXPECT SUNSHINE EARLY WITH
INCREASING HIGH CLOUDS BY LATE MORNING. NORTHERLY WINDS WILL MIX TO 12 TO
20 MPH THIS MORNING DIMINISHING BY LATE AFTERNOON. WETTING RAINS ARE
EXPECTED TO RETURN TO THE REGION EARLY WEDNESDAY AND ESPECIALLY WEDNESDAY
NIGHT WHEN SHOWERS AND MORE WIDESPREAD THUNDERSTORMS ARE EXPECTED.

.TODAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........36 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2100 FT AGL INCREASING TO 6000 FT AGL.
MIXING WINDS........NORTH 6 TO 15 MPH INCREASING TO 12 TO 21 MPH IN
                    THE LATE MORNING AND AFTERNOON...THEN
                    DECREASING TO AROUND 9 MPH LATE IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (1200-56400 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (44500-80100 KNOT-FT) IN THE
                    AFTERNOON.
WIND (20 FT)........NORTH WINDS 8 TO 12 MPH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13  20  23  25  29  31  34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............50  53  56  58  59  60  60
RH..............52  46  43  40  37  36  36
20 FT WIND DIR..N   N   N   N   N   N   N
20 FT WIND SPD..12  12  12  10  10  9   8
20 FT WIND GUST.15  15              10  10
MIX HGT (KFT)...3.2 4.3 5.3 5.6 5.8 6.0 5.8
MIXNG WIND DIR..N   N   N   N   N   N   N
MIXNG WIND SPD..21  20  17  16  14  12  9
HAINES INDEX....3   3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (60-70 PERCENT).
MIN TEMPERATURE.....AROUND 44.
MAX HUMIDITY........68 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 6 TO 13 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........38     46     53     67     72     75
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............59     55     51     49     47     45
RH..............39     45     54     56     60     65
20 FT WIND......NE 8   E 6    E 7    E 8    SE 10  SE 12
20 FT WIND GUST.10     10            10     15     15

.WEDNESDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT). CHANCE OF RAIN SHOWERS.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........59 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......2000 FT AGL INCREASING TO 4200 FT AGL IN THE
                    LATE MORNING AND AFTERNOON.
MIXING WINDS........SOUTHEAST 17 TO 26 MPH INCREASING TO 29 TO 38
                    MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (5300-23400 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (125500-139000 KNOT-FT).
WIND (20 FT)........BREEZY. SOUTHEAST WINDS 14 TO 22 MPH INCREASING
                    TO 24 TO 25 MPH LATE IN THE AFTERNOON. GUSTY
                    AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........81        86        88        95
WEATHER COV.....          CHANCE    CHANCE    CHANCE
WEATHER TYPE....NONE      RNSHWR    RNSHWR    RNSHWR
TSTM COV........          ISOLTD    ISOLTD    ISOLTD
TEMP............44        47        51        54
RH..............68        63        61        59
20 FT WIND......SE 14G20  SE 17G25  SE 20G30  SE 24G30
MIX HGT (FT)....300       2000      3300      4000
MIXNG WIND......SE 17     SE 26     SE 31     SE 37
HAINES INDEX....3         2         2         2

$$
FORECASTER...VACHALEK
REQUESTED BY...BLAKE KNISLEY
TYPE OF REQUEST...PRESCRIBED
.TAG 20140422.GOODN.01/DMX



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