Suppression Forecast
Issued by NWS Des Moines, IA

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FNUS73 KDMX 201726
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Spot Forecast for Hickory Grove...SCCB
National Weather Service Des Moines IA
1226 PM CDT Fri Apr 20 2018

Forecast is based on ignition time of 1300 CDT on April 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...

Iowa will be in a quiet weather pattern with light wind, little
precip expected through Monday and gradually warming temperatures.

.REST OF TODAY...

Sky/weather.........Partly sunny (65-75 percent).
Max temperature.....Around 56.
Min humidity........43 percent.
Wind (20 ft)........Southeast winds 7 to 9 mph.
Mixing height.......4700-5800 ft AGL.
Transport winds.....Southeast 6 to 8 mph.
Haines Index........4 to 5 or low potential for large plume
                    dominated fire growth or moderate potential for
                    large plume dominated fire growth.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........63  59  64  73  78
Weather cov.....
Weather type....
Tstm cov........
Temp............53  54  55  56  56
RH..............48  46  45  43  43
20 FT wind dir..SE  SE  SE  SE  SE
20 FT wind spd..9   8   7   8   8
20 FT wind gust.10
Mix hgt (kft)...5.0 5.3 5.5 5.8 4.7
Transp wind dir.SE  SE  SE  SE  SE
Transp wind spd.6   7   7   8   8
Haines index....5   5   4   4   4

.TONIGHT...

Sky/weather.........Mostly cloudy (80-90 percent).
Min temperature.....Around 38.
Max humidity........85 percent.
Wind (20 ft)........East winds 6 to 7 mph.
Mixing height.......1900-3700 ft AGL decreasing to 300-1100 ft AGL
                    in the late evening and overnight.
Transport winds.....Northeast 5 to 8 mph.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........89     90     92     91     84     74
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............55     50     45     43     41     39
RH..............47     56     65     73     79     85
20 ft wind......E 7    E 7    E 6    E 7    E 6    E 6
20 ft wind gust.
Mix hgt (ft)....3700   1900   300    300    300    300
Transport wind..E 8    E 8    NE 8   NE 7   NE 6   NE 5
Haines index....4      4      4      4      4      4

$$
Forecaster...Boksa
Requested by...Luke Feilmeier
Type of request...PRESCRIBED
.TAG 1807200.0/DMX
.EMAIL lfeilmeier@storycountyiowa.gov



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