Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 301231
FWSDMX

SPOT FORECAST FOR CORNLAND...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
731 AM CDT THU APR 30 2015

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 30.
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 DROP SOUTH TODAY WITH THE RIDGE AXIS
MOVING THROUGH. WINDS WILL BE OUT OF THE NORTH TO EAST
AND LIGHTER. SOME DRIER DEWPOINTS MAY MIX DOWN THIS
AFTERNOON...WITH RELATIVE HUMIDITIES DROPPING INTO THE
20 TO 30 PERCENT RANGE.

.TODAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........25 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS AROUND 6 MPH EARLY IN THE
                    MORNING BECOMING LIGHT...THEN BECOMING NORTH 5
                    TO 12 MPH EARLY IN THE MORNING.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL INCREASING TO 7500 FT AGL.
MIXING WINDS........NORTHEAST 6 TO 13 MPH SHIFTING TO THE NORTH 14
                    TO 20 MPH IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO GOOD (1200-43600 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (76000-113300 KNOT-FT)
                    IN THE AFTERNOON.
WIND (20 FT)........NORTHWEST WINDS AROUND 6 MPH EARLY IN THE
                    MORNING BECOMING LIGHT...THEN BECOMING NORTH 5
                    TO 12 MPH EARLY IN THE MORNING.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........9   7   6   10  17  21  20
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............57  60  62  64  66  67  66
RH..............40  36  33  30  27  25  26
20 FT WIND DIR..NE  N   N   N   N   N   N
20 FT WIND SPD..9   9   10  12  12  12  10
20 FT WIND GUST.10  10  15  15  15  15  15
EYE LVL WND DIR.NE  N   N   N   N   N   N
EYE LVL WND SPD.6   6   7   9   9   9   7
EYE LVL WND GST.10  10  15  15  15  15  15
MIX HGT (KFT)...3.9 5.2 6.5 6.8 7.1 7.5 6.9
MIXNG WIND DIR..NE  N   N   N   N   N   N
MIXNG WIND SPD..13  17  20  20  17  15  14
HAINES INDEX....4   4   4   4   5   5   5

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........79 PERCENT.
EYE LEVEL WINDS.....EAST WINDS 5 TO 9 MPH IN THE EVENING BECOMING
                    LIGHT.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......6300 FT AGL DECREASING TO 300 FT AGL.
MIXING WINDS........SOUTHWEST 3 TO 12 MPH.
SMOKE DISPERSAL.....FAIR TO EXCELLENT (28300-66000 KNOT-FT)
                    DECREASING TO POOR TO POOR (700-11300 KNOT-FT)
                    IN THE LATE EVENING AND OVERNIGHT.
WIND (20 FT)........EAST WINDS 5 TO 9 MPH IN THE EVENING BECOMING
                    LIGHT.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........17     16     10     6      6      9
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............65     60     53     49     46     44
RH..............28     37     50     61     68     73
20 FT WIND......NE 9   NE 7   E 5    SE 3   S 3    S 3
20 FT WIND GUST.10                   5      5      5
EYE LEVEL WIND..NE 6   NE 5   E 4    SE 2   S 2    S 2
EYE LVL WND GST.10                   5      5      5
MIX HGT (FT)....6300   3900   300    300    300    300
MIXNG WIND......NE 12  NE 8   E 5    SE 3   S 3    SW 3
HAINES INDEX....5      5      5      5      5      5

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........36 PERCENT.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1400 FT AGL INCREASING TO 7000 FT AGL.
MIXING WINDS........SOUTHWEST 3 TO 8 MPH.
SMOKE DISPERSAL.....POOR TO GOOD (700-49100 KNOT-FT).
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........9         24        47        57
WEATHER COV.....                              S CHC
WEATHER TYPE....NONE      NONE      NONE      RNSHWR
TSTM COV........
TEMP............42        55        64        68
RH..............79        53        41        37
20 FT WIND......S 3G5     SW 7      SW 9G15   SW 8G10
EYE LEVEL WIND..S 2G5     SW 5      SW 6G15   SW 6G10
MIX HGT (FT)....300       2500      4100      5900
MIXNG WIND......SW 3      SW 7      S 7       SW 7
HAINES INDEX....5         5         5         5

$$
FORECASTER...BEERENDS
REQUESTED BY...ERIK ACKER
TYPE OF REQUEST...PRESCRIBED
.TAG 20150430.CORNL.01/DMX



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