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FNUS73 KDMX 161654
FWSDMX

Spot Forecast for mcfarland...Story County Conservation
National Weather Service Des Moines IA
1154 AM CDT Fri Oct 16 2020

Forecast is based on ignition time of 1200 CDT on October 16. 
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...

...Gusty Winds and Low RH this Afternoon...

As the inversion breaks, expects winds to continue to increase through 
the afternoon hours.  Expect sustained west winds from 15 to 25 mph with 
a few gusts from 30 to 35 mph likely.  RH values will continue to fall 
thru the afternoon hours...trending from the 50 percent range down into 
the 20s.  The winds should will gradually subside, but not until close to
sunset.  



.REST OF TODAY...

Sky/weather.........Sunny (20-30 percent). 
Max temperature.....Around 56. 
Min humidity........28 percent. 
Wind (20 ft)........West winds 15 to 25 mph with gusts to 32 mph. 
Mixing height.......8800 ft AGL. 
Transport winds.....West 14 to 26 mph increasing to 18 to 25 mph 
                    late in the afternoon. 
Haines Index........5 or moderate potential for large plume 
                    dominated fire growth. 

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM 
Sky (%).........15  14  18  25  28  32  
Weather cov.....                        
Weather type....                        
Tstm cov........                        
Temp............51  52  52  53  53  52  
RH..............42  39  38  32  29  31  
20 FT wind dir..W   W   W   W   W   W   
20 FT wind spd..15  20  20  20  17  14  
20 FT wind gust.21  26  29  32  25  18  
Mix hgt (kft)...6.3 8.0 8.8 8.8 7.8 5.6 
Transp wind dir.W   W   W   W   W   W   
Transp wind spd.26  26  26  25  23  18  
Haines index....5   5   5   5   5   5   

$$
Forecaster...MF
Requested by...Derek seward
Type of request...PRESCRIBED
.TAG 2013685.0/DMX
.DELDT 10/16/20
.FormatterVersion 2.0.0
.EMAIL dseward@storycountyiowa.gov