FNUS73 KDMX 281336
FWSDMX

SPOT FORECAST FOR SAC   FOX OVERLOOK...HARDIN COUNTY CONSERVATION
NATIONAL WEATHER SERVICE DES MOINES IA
836 AM CDT WED MAR 28 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 28.
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 FROM THE DAKOTAS INTO IOWA EARLY THIS MORNING WILL
SLIDE TOWARD THE GREAT LAKES BY EARLY THIS EVENING. WINDS WILL
REMAIN RATHER LIGHT TODAY WITH FAIRLY TYPICAL SPRING MINIMUM RELATIVE
HUMIDITIES AND MIXING.

.TODAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....AROUND 66.
MIN HUMIDITY........34 PERCENT.
EYE LEVEL WINDS.....NORTHWEST WINDS 8 TO 15 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2200 FT AGL INCREASING TO 4800 FT AGL IN THE
                    LATE MORNING AND AFTERNOON...THEN DECREASING TO
                    2100 FT AGL LATE IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 8 TO 13 MPH INCREASING TO 17 TO 26
                    MPH EARLY IN THE MORNING...THEN DECREASING TO
                    AROUND 15 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (1800-24900 KNOT-FT) INCREASING TO
                    GOOD TO EXCELLENT (44800-88300 KNOT-FT) LATE IN
                    THE MORNING...THEN INCREASING TO EXCELLENT TO
                    EXCELLENT (96300-105600 KNOT-FT) EARLY IN THE
                    AFTERNOON DECREASING TO FAIR TO EXCELLENT
                    (26600-86500 KNOT-FT) LATE IN THE AFTERNOON.
WIND (20 FT)........NORTHWEST WINDS 8 TO 15 MPH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........14  14  13  13  13  12  12  11
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............57  59  61  63  64  65  64  63
RH..............49  45  42  38  37  34  35  38
20 FT WIND DIR..NW  NW  NW  NW  NW  NW  NW  N
20 FT WIND SPD..14  14  14  14  15  14  12  9
20 FT WIND GUST.20  20  20  20  20  20  15  10
EYE LVL WND DIR.NW  NW  NW  NW  NW  NW  NW  N
EYE LVL WND SPD.10  10  10  10  11  10  9   6
EYE LVL WND GST.20  20  20  20  20  20  15  10
MIX HGT (KFT)...3.0 3.8 4.6 4.7 4.7 4.8 3.5 2.1
MIXNG WIND DIR..NW  NW  NW  NW  NW  NW  NW  NW
MIXNG WIND SPD..25  26  26  25  23  21  17  15
HAINES INDEX....4   4   4   4   4   4   4   4

$$
FORECASTER...SMALL
REQUESTED BY...ROB ALLEN
TYPE OF REQUEST...PRESCRIBED
.TAG 20120328.SACFO.01/DMX