Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 231311
FWSDMX

SPOT FORECAST FOR IOWA DNR...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
811 AM CDT THU APR 23 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 23.
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 KEEP WINDS LIGHT PRIMARILY FROM THE NORTH BECOMING
SOUTHERLY LATE WITH CLEARING SKIES. RH VALUES WILL BE NEAR 30
PERCENT THROUGH MOST OF THE DAY.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING
                    SUNNY (5-15 PERCENT). PATCHY FROST EARLY IN THE
                    MORNING.
MAX TEMPERATURE.....AROUND 59.
MIN HUMIDITY........29 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE
                    LATE MORNING AND AFTERNOON.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1600 FT AGL INCREASING TO 6500 FT AGL.
MIXING WINDS........WEST 5 TO 14 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (900-37900 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (32600-73900 KNOT-FT) IN THE
                    AFTERNOON.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE
                    LATE MORNING AND AFTERNOON.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........17  0   0   0   0   0   0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............50  52  55  57  58  59  59
RH..............36  33  31  30  29  29  30
20 FT WIND DIR..NW  NW  NW  NW  W   W   SW
20 FT WIND SPD..5   6   6   6   5   5   5
20 FT WIND GUST.
EYE LVL WND DIR.NW  NW  NW  NW  W   W   SW
EYE LVL WND SPD.4   4   4   4   4   4   4
EYE LVL WND GST.
MIX HGT (KFT)...3.6 4.9 6.2 6.3 6.4 6.5 5.8
MIXNG WIND DIR..NW  NW  NW  NW  W   W   W
MIXNG WIND SPD..13  14  14  13  12  9   7
HAINES INDEX....4   3   3   3   3   3   3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (55-65 PERCENT).
MIN TEMPERATURE.....AROUND 41.
MAX HUMIDITY........73 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 MPH
                    EARLY IN THE EVENING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5100 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........SOUTHEAST 2 TO 9 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (1500-17000 KNOT-FT).
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 10 MPH
                    EARLY IN THE EVENING.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........5      16     32     37     42     61
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............58     54     48     45     43     41
RH..............32     36     46     53     60     65
20 FT WIND......S 3    SE 5   SE 7   SE 9   SE 9   SE 9
20 FT WIND GUST.5             10     15     15     15
EYE LEVEL WIND..S 2    SE 4   SE 5   SE 6   SE 6   SE 6
EYE LVL WND GST.5             10     15     15     15
MIX HGT (FT)....5100   3000   300    300    300    300
MIXNG WIND......SW 3   S 3    SE 7   SE 7   SE 7   SE 9
HAINES INDEX....3      3      4      4      4      3

$$
FORECASTER...AWB
REQUESTED BY...CASEY TRINE
TYPE OF REQUEST...PRESCRIBED
.TAG 20150423.IOWAD.01/DMX


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