FNUS73 KDMX 121615
FWSDMX

SPOT FORECAST FOR MAYNARD REEF...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
1015 AM CST WED DEC 12 2012

FORECAST IS BASED ON IGNITION TIME OF 1300 CST ON DECEMBER 12.
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...
SOUTH WINDS FROM 15 TO 25 MPH WITH GUSTS TO NEAR 30 MPH AS A TIGHT
SURFACE PRESSURE GRADIENT DEVELOPS TODAY. FORECAST SOUNDINGS
INDICATING MIXING HEIGHT COULD INCREASE TO 2000-2500 FEET AGL BY
IGNITION TIME WHICH WOULD LEAD TO SLIGHTLY HIGHER GUSTS DURING THE
AFTERNOON HOURS.

.TODAY...

SKY/WEATHER.........SUNNY (20-30 PERCENT).
TEMPERATURE.........39 AT IGNITION...MAX 40.
RH..................51 PERCENT AT IGNITION...MIN 48 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 15 TO 21 MPH.
HAINES INDEX........6 OR HIGH POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTH 16 TO 25 MPH INCREASING TO 20 TO 26 MPH
                    IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR TO POOR (3500-5700 KNOT-FT).
WIND (20 FT)........WINDS SOUTH AT 21 MPH AT IGNITION...OTHERWISE
                    SOUTH WINDS 15 TO 21 MPH.

TIME (CST)      1PM 2PM 3PM 4PM 5PM
SKY (%).........22  22  22  21  21
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............39  39  39  38  36
RH..............51  50  48  50  52
20 FT WIND DIR..S   S   S   S   S
20 FT WIND SPD..21  20  20  20  18
20 FT WIND GUST.30  30  30  25  25
EYE LVL WND DIR.S   S   S   S   S
EYE LVL WND SPD.15  14  14  14  13
EYE LVL WND GST.30  30  30  25  25
MIX HGT (KFT)...0.3 0.3 0.3 0.3 0.3
MIXNG WIND DIR..S   S   S   S   S
MIXNG WIND SPD..26  26  25  23  20
HAINES INDEX....5   5   5   5   6

$$
FORECASTER...PODRAZIK
REQUESTED BY...DAN PAULSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20121212.MAYNA.01/DMX