689  
FNUS74 KBMX 062040  
FWSBMX  
 
SPOT FORECAST FOR NIGHT - ADAMS GAP A...USFS  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
340 PM CDT TUE MAY 6 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1600 CDT ON MAY 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
   
DISCUSSION
 
 
GENERALLY LIGHT WINDS EXPECTED WITH RHS RECOVERING TO NEAR 90%  
OVERNIGHT. RAIN CHANCES INCREASE OVERNIGHT WITH THE SYSTEM MOVING  
THROUGH. THUNDERSTORMS EXPECTED BY TOMORROW MORNING AT THE ADAMS GAP  
SITE WITH 70-80% CWR THROUGH THE MORNING HOURS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 76.  
MIN HUMIDITY........37 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....WEST 6 TO 7 MPH.  
DISPERSION INDEX....44 DECREASING TO 33 LATE IN THE AFTERNOON.  
LVORI...............1.  
 
TIME (CDT) 4 PM  
SKY (%).........36  
WEATHER COV.....  
WEATHER TYPE....NONE  
TSTM COV........  
CWR.............0  
TEMP............76  
RH..............37  
20 FT WIND......W 2  
20 FT WIND GUST.6  
20 FT WIND DIR..280  
MIX HGT (FT)....5100  
TRANSPORT WIND..W 7  
DISPERSION IDX..44  
LVORI...........1  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF RAIN  
SHOWERS OVERNIGHT. RAIN SHOWERS LIKELY AFTER 3  
AM.  
CWR.................10 PERCENT INCREASING TO 60 PERCENT.  
MIN TEMPERATURE.....AROUND 56.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 6 MPH  
EARLY IN THE MORNING.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....NORTHWEST AROUND 5 MPH SHIFTING TO THE  
NORTHEAST AROUND 3 MPH EARLY IN THE EVENING,  
THEN SHIFTING TO THE EAST 5 TO 6 MPH LATE IN  
THE EVENING SHIFTING TO THE SOUTHWEST AROUND 6  
MPH LATE IN THE EVENING SHIFTING TO THE  
SOUTHEAST 5 TO 9 MPH.  
DISPERSION INDEX....15 DECREASING TO 4.  
LVORI...............3.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........52 71 75 85 90 94  
WEATHER COV..... CHANCE LIKELY  
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR  
TSTM COV........  
CWR.............0 0 10 10 50 60  
TEMP............74 66 63 61 61 59  
RH..............43 63 70 78 81 87  
20 FT WIND......N 2 N 2 E 2 SE 2 SE 2 SE 3  
20 FT WIND GUST.5 4 5 5 6 6  
20 FT WIND DIR..350 000 090 150 150 130  
MIX HGT (FT)....2600 200 200 200 200 200  
TRANSPORT WIND..W 5 NE 3 E 6 SE 5 S 7 SE 8  
DISPERSION IDX..15 1 1 2 3 5  
LVORI...........1 3 3 3 5 5  
   
WEDNESDAY
 
 
SKY/WEATHER.........CLOUDY (85-95 PERCENT). RAIN SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING, THEN  
RAIN SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON.  
CWR.................60 PERCENT INCREASING TO 80 PERCENT EARLY IN  
THE MORNING, THEN DECREASING TO 70 PERCENT LATE  
IN THE MORNING DECREASING TO 50 PERCENT IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 71.  
MIN HUMIDITY........71 PERCENT.  
WIND (20 FT)........SOUTHEAST WINDS AROUND 7 MPH SHIFTING TO THE  
SOUTH 5 TO 7 MPH LATE IN THE AFTERNOON, THEN  
BECOMING LIGHT LATE IN THE AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN  
THE LATE MORNING AND EARLY AFTERNOON. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE  
IN THE AFTERNOON.  
MIXING HEIGHT.......1900 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 14 MPH SHIFTING TO THE SOUTHWEST  
8 TO 12 MPH IN THE LATE MORNING AND AFTERNOON.  
DISPERSION INDEX....10 INCREASING TO 21 LATE IN THE MORNING, THEN  
INCREASING TO 23 LATE IN THE AFTERNOON  
DECREASING TO 17 LATE IN THE AFTERNOON.  
LVORI...............5.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........95 90 91 91 90 83  
WEATHER COV.....LIKELY DEFNTE LIKELY LIKELY CHANCE CHANCE  
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR  
TSTM COV........ S CHC S CHC CHANCE S CHC  
CWR.............60 80 70 70 50 50  
TEMP............59 59 62 64 68 69  
RH..............90 93 87 84 73 73  
20 FT WIND......SE 7 SE 7 S 7 S 7 S 7 S 5  
20 FT WIND GUST.8 10 10 10 10 8  
20 FT WIND DIR..120 140 160 170 180 160  
MIX HGT (FT)....300 500 1100 1900 1900 1500  
TRANSPORT WIND..SE 8 S 13 S 12 S 9 SW 12 SW 9  
DISPERSION IDX..7 11 10 22 27 18  
LVORI...........5 6 4 4 3 3  
 

 
FORECASTER...OWEN  
REQUESTED BY...MCFARLAND  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2513255.0/BMX  
.DELDT 05/06/25  
.FORMATTERVERSION 2.0.0  
 
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