Suppression Forecast
Issued by NWS Des Moines, IA

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FNUS73 KDMX 201117
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Spot Forecast for Mt Ayr SW Bins...Iowa DNR
National Weather Service Des Moines IA
617 AM CDT Fri Apr 20 2018

Forecast is based on ignition time of 1200 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...

The weather pattern will be fairly inactive across Iowa through
the weekend. There will be little if any precipitation with
temperatures gradually warming closer to normal area wide.
Humidity and mixing levels will be seasonally low with fairly
light winds.


.REST OF TODAY...

Sky/weather.........Mostly sunny (45-55 percent).
Max temperature.....Around 62.
Min humidity........31 percent.
Wind (20 ft)........Southeast winds around 10 mph.
Mixing height.......4800-5500 ft AGL.
Transport winds.....Southeast 12 to 16 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)      12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........36  40  41  43  53  64
Weather cov.....
Weather type....
Tstm cov........
Temp............56  58  59  60  61  61
RH..............38  36  34  32  31  32
20 FT wind dir..SE  SE  SE  SE  SE  SE
20 FT wind spd..10  10  10  10  10  10
20 FT wind gust.13  13  14  14  14  14
Mix hgt (kft)...4.8 5.4 5.4 5.5 5.5 5.3
Transp wind dir.SE  SE  SE  SE  SE  SE
Transp wind spd.13  12  13  14  15  16
Haines index....5   5   5   4   4   4

.TONIGHT...

Sky/weather.........Mostly cloudy (75-85 percent).
Min temperature.....Around 42.
Max humidity........67 percent.
Wind (20 ft)........East winds 6 to 8 mph.
Mixing height.......3300-5000 ft AGL decreasing to 300-1800 ft AGL
                    in the late evening and overnight.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
Sky (%).........73     88     88     88     79     70
Weather cov.....
Weather type....NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov........
Temp............60     54     50     47     45     43
RH..............35     46     54     60     62     67
20 ft wind......SE 8   E 6    E 7    E 7    E 7    E 7
20 ft wind gust.
Mix hgt (ft)....5000   3300   300    300    300    300

.SATURDAY...

Sky/weather.........Mostly cloudy (75-85 percent).
Max temperature.....Around 57.
Min humidity........43 percent.
Wind (20 ft)........East winds 8 to 10 mph.
Mixing height.......300-2200 ft AGL increasing to 3900-5500 ft AGL.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........76        82        84        85
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Temp............43        46        53        57
RH..............65        58        48        43
20 FT wind......E 8       E 10G12   E 10G13   E 10G13
Mix hgt (ft)....300       700       3500      5300

$$
Forecaster...Small
Requested by...Natural Resource Tech 2
Type of request...PRESCRIBED
.TAG 1807109.0/DMX
.EMAIL josh.rusk@dnr.iowa.gov



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