Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 221432
FWSDMX

SPOT FORECAST FOR RATHBUN HATCHERY...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
932 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...

QUIET WEATHER IS EXPECTED TODAY WITH WIDESPREAD SUNSHINE AS HIGH
PRESSURE MOVES OVERHEAD.  WINDS WILL GENERALLY BE FROM THE NORTH
WITH A FEW HIGHER GUSTS FROM TIME TO TIME...ESPECIALLY IN THE
AFTERNOON.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
TEMPERATURE.........54 AT IGNITION...MAX 64.
RH..................48 PERCENT AT IGNITION...MIN 35 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 9 TO 14 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 5700 FT AGL.
MIXING WINDS........NORTH 10 TO 15 MPH INCREASING TO 13 TO 22 MPH
                    IN THE LATE MORNING AND AFTERNOON...THEN
                    DECREASING TO AROUND 12 MPH LATE IN THE
                    AFTERNOON.
SMOKE DISPERSAL.....FAIR (15000 KNOT-FT) INCREASING TO
                    EXCELLENT (76500 KNOT-FT) IN THE
                    AFTERNOON.
WIND (20 FT)........WINDS NORTH AT 12 MPH AT IGNITION...OTHERWISE
                    NORTH WINDS 9 TO 14 MPH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9   13  15  14  13  12  14
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............54  57  59  61  63  64  64
RH..............48  42  40  38  36  35  35
20 FT WIND DIR..N   N   N   N   N   N   N
20 FT WIND SPD..13  12  12  12  12  10  9
20 FT WIND GUST.15  15                  10
EYE LVL WND DIR.N   N   N   N   N   N   N
EYE LVL WND SPD.9   9   9   9   9   7   6
EYE LVL WND GST.15  15                  10
MIX HGT (KFT)...3.1 4.1 5.1 5.3 5.5 5.7 5.4
MIXNG WIND DIR..N   N   N   N   N   N   N
MIXNG WIND SPD..22  20  17  16  14  13  12
HAINES INDEX....4   3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (50-60 PERCENT).
TEMPERATURE.........MIN 44.
RH..................MAX 73 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 5 TO 8 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5100 FT AGL DECREASING TO 1800 FT AGL IN THE
                    LATE EVENING AND OVERNIGHT.
MIXING WINDS........NORTH 7 TO 9 MPH SHIFTING TO THE EAST 3 TO 8
                    MPH IN THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....POOR TO FAIR (1000-15000 KNOT-FT).
WIND (20 FT)........EAST WINDS 5 TO 8 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........16     22     27     40     46     52
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............63     57     53     51     47     46
RH..............36     47     57     59     68     68
20 FT WIND......N 8    NE 5   E 5    E 5    E 6    E 8
20 FT WIND GUST.10                                 10
EYE LEVEL WIND..N 6    NE 4   E 4    E 4    E 4    E 6
EYE LVL WND GST.10                                 10
MIX HGT (FT)....5100   3300   300    300    300    300
MIXNG WIND......N 9    NE 7   E 5    E 3    E 5    E 7
HAINES INDEX....3      3      4      4      4      4

$$
FORECASTER...COGIL
REQUESTED BY...DARWIN MILLS
TYPE OF REQUEST...PRESCRIBED
.TAG 20140422.RATHB.01/DMX



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