FNUS73 KDMX 101355
FWSDMX

SPOT FORECAST FOR RYAN LAKE...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
855 AM CDT TUE MAY 10 2011

FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MAY 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

PLEASE REMEMBER TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER
SERVICE FOR EACH PRESCRIBED BURN.

.DISCUSSION...
SOUTH WINDS WILL INCREASE AND BECOME GUSTY BY LATE MORNING. SKIES WILL
REMAIN MOSTLY CLEAR BUT RELATIVE HUMIDITY WILL BE FAIRLY HIGH...REMAINING
ABOVE 50 PERCENT MOST OF THE DAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........45 PERCENT.
EYE LEVEL WINDS.....SOUTH WINDS 10 TO 13 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL INCREASING TO 6000 FT AGL.
MIXING WINDS........SOUTH 12 TO 20 MPH INCREASING TO 22 TO 23 MPH
                    LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....GOOD (54500 KNOT-FT) INCREASING TO EXCELLENT
                    (118000 KNOT-FT).
WIND (20 FT)........SOUTH WINDS 12 TO 18 MPH.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........28  25  25  25  25  26  26  26
WEATHER COV.....
WEATHER TYPE....
TEMP............81  84  86  88  89  89  89  88
RH..............63  57  53  50  47  47  45  47
20 FT WIND DIR..S   S   S   S   S   S   S   S
20 FT WIND SPD..16  16  17  18  18  18  17  14
20 FT WIND GUST.25  25  25  25  25  25  25  20
EYE LVL WND DIR.S   S   S   S   S   S   S   S
EYE LVL WND SPD.11  11  12  13  13  13  12  10
EYE LVL WND GST.25  25  25  25  25  25  25  20
MIX HGT (KFT)...3.1 3.7 4.2 4.8 5.3 5.9 5.9 6.0
MIXNG WIND DIR..S   S   S   S   S   S   S   S
MIXNG WIND SPD..18  17  16  17  20  22  23  23
HAINES INDEX....4   4   4   4   4   4   4   4

$$
FORECASTER...JUNGBLUTH
REQUESTED BY...DAVE WHITE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110510.RYANL.01/DMX