FNUS73 KDMX 220305
FWSDMX

SPOT FORECAST FOR OTTOSEN POTHOLES...IOWA DNR
NATIONAL WEATHER SERVICE DES MOINES IA
1005 PM CDT MON MAY 21 2012

FORECAST IS BASED ON IGNITION TIME OF 0930 CDT ON MAY 22.
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 EXIT IOWA OVERNIGHT ALLOWING WINDS TO BECOME
SOUTHERLY AND INCREASE DURING THE DAY TUESDAY. FIRE DANGER WILL BE
SOMEWHAT ELEVATED WITH RELATIVELY DRY FUELS...LOW HUMIDITIES AND
GUSTY WINDS BY AFTERNOON.

.TUESDAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........29 PERCENT.
EYE LEVEL WINDS.....BREEZY. SOUTH WINDS 10 TO 18 MPH INCREASING TO
                    21 TO 25 MPH IN THE LATE MORNING AND AFTERNOON.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
MIXING HEIGHT.......1800 FT AGL INCREASING TO 6300 FT AGL.
MIXING WINDS........SOUTH 10 TO 14 MPH INCREASING TO 30 TO 31 MPH.
SMOKE DISPERSAL.....POOR TO FAIR (2300-29600 KNOT-FT) INCREASING TO
                    EXCELLENT TO EXCELLENT (109300-150900 KNOT-FT).
WIND (20 FT)........BREEZY. SOUTH WINDS 10 TO 18 MPH INCREASING TO
                    21 TO 25 MPH IN THE LATE MORNING AND AFTERNOON.

TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........62  59  52  46  39  32  29  27  25  22  19  16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............53  57  61  67  71  76  79  82  82  83  82  80
RH..............74  64  56  47  41  34  31  29  29  30  31  34
20 FT WIND DIR..S   S   S   S   S   S   S   S   S   S   S   S
20 FT WIND SPD..10  13  16  18  21  23  24  25  25  24  24  23
20 FT WIND GUST.15  15  20  25  30  30  30  35  35  35  35  30
EYE LVL WND DIR.S   S   S   S   S   S   S   S   S   S   S   S
EYE LVL WND SPD.7   9   11  13  15  16  17  18  18  17  17  16
EYE LVL WND GST.15  15  20  25  30  30  30  35  35  35  35  30
MIX HGT (KFT)...0.3 1.0 1.8 2.6 3.5 4.5 5.5 5.7 6.0 6.3 5.4 4.5
MIXNG WIND DIR..S   S   S   S   S   S   S   S   S   S   S   S
MIXNG WIND SPD..10  14  20  23  24  23  23  24  25  28  30  31
HAINES INDEX....5   5   5   5   5   5   5   5   4   4   4   4

$$
FORECASTER...SMALL
REQUESTED BY...DAVE WHITE
TYPE OF REQUEST...PRESCRIBED
.TAG 20120522.OTTOS.01/DMX