Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 201259
FWSDMX

Spot Forecast for Rathbun Lake...USACE
National Weather Service Des Moines IA
759 AM CDT Mon Mar 20 2017

Forecast is based on ignition time of 0900 CDT on March 20.
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...

In the wake of a departing cold front, winds from the north or
northeast will average 10 to 15 mph and bring relatively cooler
and drier air into the state. Relative humidities, though, will
bottom out from the low 40 percent to the low 50 percent this
afternoon.

.TODAY...

Sky/weather.........Partly sunny (50-60 percent).
Max temperature.....Around 67.
Min humidity........47 percent.
Eye level winds.....Light winds becoming north 5 to 14 mph early in
                    the morning.
Wind (20 ft)........Light winds becoming north 5 to 14 mph early in
                    the morning.
Mixing height.......300-2100 ft AGL increasing to 2300-3700 ft AGL
                    in the afternoon.
Transport winds.....North 3 to 12 mph increasing to 14 to 20 mph in
                    the afternoon.
Haines Index........3 to 4 or very low potential for large plume
                    dominated fire growth to low potential for
                    large plume dominated fire growth.

TIME (CDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........61  60  63  57  56  55  57  50  57
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............51  56  59  61  64  66  67  67  66
RH..............77  66  60  58  52  50  47  47  48
20 FT WIND DIR..N   N   N   N   N   N   N   N   N
20 FT WIND SPD..7   9   12  13  13  13  13  14  13
20 FT WIND GUST.    10  15  15  15  15  15  20  15
EYE LVL WND DIR.N   N   N   N   N   N   N   N   N
EYE LVL WND SPD.4   5   7   8   8   8   8   8   8
EYE LVL WND GST.    10  15  15  15  15  15  20  15
MIX HGT (KFT)...1.1 1.6 1.8 2.1 2.3 2.8 3.3 3.7 3.5
MIXNG WIND DIR..N   N   N   N   N   N   N   N   N
MIXNG WIND SPD..7   9   12  14  16  17  18  18  20
HAINES INDEX....3   3   3   4   4   4   4   4   4

$$
Forecaster...Ansorge
Requested by...Joshua Gormley
Type of request...PRESCRIBED
.TAG 1704645.0/DMX
.EMAIL joshua.p.gormley2@usace.army.mil


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