Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 211918
FWSDMX

SPOT FORECAST FOR GOOD NEIGHBORS...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
218 PM CDT MON APR 21 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...

WINDS WILL DECREASE OVERNIGHT AND REMAIN LIGHT TO MODERATE FROM THE
NORTH ON TUESDAY AS HIGH PRESSURE APPROACHES.  SKIES WILL GENERALLY
BE CLEAR WITH NO THREAT OF RAIN.  MIXING WILL INCREASE STEADILY
THROUGH THE MORNING INTO MIDDAY.

.TONIGHT...

SKY/WEATHER.........CLEAR (0-10 PERCENT).
TEMPERATURE.........MIN 38.
RH..................MAX 82 PERCENT.
WIND (20 FT)........NORTH WINDS 15 TO 23 MPH DECREASING TO 8 TO 13
                    MPH IN THE LATE EVENING AND OVERNIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........6      7      0      0      0      0
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............64     58     51     47     44     41
RH..............35     44     56     65     70     76
20 FT WIND......NW 23  N 18   N 13   N 12   N 10   N 9
20 FT WIND GUST.30     25     20     15     15     10

.TUESDAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
TEMPERATURE.........49 AT IGNITION...MAX 60.
RH..................56 PERCENT AT IGNITION...MIN 39 PERCENT.
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 5900 FT AGL.
MIXING WINDS........NORTHWEST 6 TO 12 MPH SHIFTING TO THE NORTH 13
                    TO 22 MPH IN THE LATE MORNING AND
                    AFTERNOON...THEN DECREASING TO AROUND 9 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (5000 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (43300-84600 KNOT-FT).
WIND (20 FT)........WINDS NORTH AT 8 MPH AT IGNITION...OTHERWISE
                    NORTH WINDS 7 TO 10 MPH.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3   5   6   9   10  12  17  19  19  20  20  25
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............38  38  40  43  46  49  52  55  57  59  60  60
RH..............82  82  76  67  60  56  50  47  43  40  39  39
20 FT WIND DIR..N   N   N   N   N   N   N   N   N   N   N   N
20 FT WIND SPD..8   9   9   10  10  10  10  10  9   9   8   7
20 FT WIND GUST.10  15  15  15  15  15  15  15  15  15  10  10
MIX HGT (KFT)...0.3 0.3 1.0 1.7 2.5 3.4 4.3 5.3 5.5 5.7 5.9 5.4
MIXNG WIND DIR..NW  NW  NW  N   N   N   N   N   N   N   N   N
MIXNG WIND SPD..6   7   12  16  21  22  21  18  17  15  13  9
HAINES INDEX....3   3   3   3   3   3   3   3   3   3   3   3

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



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