183  
FNUS74 KBMX 222045  
FWSBMX  
 
SPOT FORECAST FOR SWEETWATER B...USFS  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
245 PM CST WED JAN 22 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 1600 CST ON JANUARY 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
FALLING TEMPERATURES LATE THIS AFTERNOON AND INTO TONIGHT WILL  
BRING A RISE IN RH VALUES TO THE BURN SITE. EASTERLY WINDS MAY  
INCREASE MARGINALLY TONIGHT AS A STORM SYSTEM APPROACHES FROM THE  
WEST. THIS SYSTEM WILL LEAD TO INCREASING RAIN CHANCES AROUND  
DAYBREAK WITH RAIN BECOMING WIDESPREAD BY THURSDAY AFTERNOON. LOW  
CLOUDS ARE NOT EXPECTED THROUGH DAYBREAK.  
   
REST OF TODAY
 
 
TIME (CST) 4 PM  
SKY (%).........51  
WEATHER COV.....  
WEATHER TYPE....NONE  
TSTM COV........  
CWR.............0  
LAL.............M  
TEMP............45  
RH..............28  
20 FT WIND......E 3  
20 FT WIND GUST.6  
MIX HGT (FT)....1500  
TRANSPORT WIND..E 7  
DISPERSION IDX..14  
LVORI...........2  
   
TONIGHT
 
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........66 71 77 79 79 90  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............0 0 0 0 0 10  
LAL.............1 M M 1 M M  
TEMP............40 38 37 36 36 35  
RH..............39 49 48 49 52 59  
20 FT WIND......E 3 E 5 E 7 E 7 E 7 E 8  
20 FT WIND GUST.6 6 10 10 10 12  
MIX HGT (FT)....100 100 300 200 300 300  
TRANSPORT WIND..E 5 E 7 SE 9 SE 9 SE 9 SE 9  
DISPERSION IDX..0 0 0 8 8 8  
LVORI...........2 2 2 2 2 2  
   
THURSDAY
 
 
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........100 100 99 99 99 98  
WEATHER COV.....S CHC S CHC CHANCE CHANCE CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........  
CWR.............10 10 30 50 50 50  
LAL.............1 M M 1 M M  
TEMP............34 36 40 44 43 47  
RH..............69 62 63 67 78 70  
20 FT WIND......E 6 E 8 E 8 E 7 E 8 SE 9  
20 FT WIND GUST.12 14 14 14 14 14  
MIX HGT (FT)....300 400 600 800 600 400  
TRANSPORT WIND..E 9 SE 12 SE 13 SE 12 SE 10 E 12  
DISPERSION IDX..6 8 8 12 9 8  
LVORI...........3 3 3 3 3 3  
 

 
FORECASTER...GRANTHAM  
REQUESTED BY...TROY MCFARLAND  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2000972.1/BMX  
.DELDT 01/22/20  
.FORMATTERVERSION 1.0.25  
 
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