FNUS73 KDMX 031321
FWSDMX

SPOT FORECAST FOR LONGSPUR...FRANKLIN COUNTY CONSERVATION
NATIONAL WEATHER SERVICE DES MOINES IA
821 AM CDT WED APR 3 2013

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON APRIL 03.
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...
SURFACE HIGH PRESSURE WILL SHIFT EAST TODAY ALLOWING FOR A SOUTHERLY FLOW OVER
THE NORTHWEST THIRD OF IOWA.  A TIGHTENING PRESSURE GRADIENT WILL BRING
INCREASING WIND SPEEDS TO THE AREA THIS AFTEROON.

.TODAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
MAX TEMPERATURE.....AROUND 62.
MIN HUMIDITY........27 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 8 TO 16 MPH INCREASING TO 17 TO 21
                    MPH LATE IN THE MORNING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1100 FT AGL INCREASING TO 7000 FT AGL.
MIXING WINDS........SOUTH 12 TO 20 MPH SHIFTING TO THE SOUTHWEST 21
                    TO 26 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR TO FAIR (2500-13800 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (107800-147600 KNOT-FT).
WIND (20 FT)........SOUTH WINDS 8 TO 16 MPH INCREASING TO 17 TO 21
                    MPH LATE IN THE MORNING.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........27  27  4   3   3   3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............58  60  62  62  62  61
RH..............36  32  28  27  30  32
20 FT WIND DIR..S   S   S   S   S   S
20 FT WIND SPD..20  20  20  21  18  17
20 FT WIND GUST.25  25  25  25  25  25
EYE LVL WND DIR.S   S   S   S   S   S
EYE LVL WND SPD.14  14  14  15  13  12
EYE LVL WND GST.25  25  25  25  25  25
MIX HGT (KFT)...6.0 6.3 6.7 7.0 6.7 6.4
MIXNG WIND DIR..SW  SW  SW  SW  SW  SW
MIXNG WIND SPD..21  21  22  23  25  26
HAINES INDEX....4   4   4   4   4   4

.TONIGHT...

MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........82 PERCENT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
TEMP............59     50     45     42     40     37
RH..............36     50     62     67     70     75

$$
FORECASTER...BOKSA
REQUESTED BY...JASON GOODER
TYPE OF REQUEST...PRESCRIBED
.TAG 20130403.LONGS.01/DMX