853  
FNUS74 KBMX 222059  
FWSBMX  
 
SPOT FORECAST FOR UNIT 1...USFS  
NATIONAL WEATHER SERVICE BIRMINGHAM AL  
259 PM CST SAT FEB 22 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON FEBRUARY 23.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
RH VALUES WILL BE SLIGHTLY HIGHER ON SUNDAY WITH MINRH NEAR 35 TO 38  
IN THE AFTERNOON AS MOISTURE INCREASES FROM THE SOUTH. THERE WILL BE A  
LOW CHANCE OF RAIN DURING THE AFTERNOON AND INTO THE EVENING HOURS.  
EVEN MORE MOISTURE WILL BE IN PLACE ON MONDAY BEHIND THE RAIN.  
   
SUNDAY  
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN  
LATE IN THE AFTERNOON.  
CWR.................0 PERCENT INCREASING TO 30 PERCENT LATE IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 57.  
MIN HUMIDITY........39 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......2600 FT AGL.  
TRANSPORT WINDS.....NORTH AROUND 6 MPH SHIFTING TO THE WEST 5 TO 7  
MPH LATE IN THE MORNING.  
DISPERSION INDEX....3 INCREASING TO 14 LATE IN THE MORNING.  
LVORI...............3.  
 
TIME (CST) 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........52 48 55 55 80  
WEATHER COV..... CHANCE  
WEATHER TYPE....NONE NONE NONE NONE RAIN  
TSTM COV........  
CWR.............0 0 0 0 30  
TEMP............40 48 52 56 54  
RH..............59 47 43 40 48  
20 FT WIND......N 2 N 2 W 2 W 3 W 2  
20 FT WIND GUST.6 6 8 10 7  
20 FT WIND DIR..010 340 260 260 260  
MIX HGT (FT)....1200 1900 2500 2600 2000  
TRANSPORT WIND..N 6 NW 6 W 5 W 6 W 7  
DISPERSION IDX..3 3 13 13 17  
LVORI...........3 2 2 2 2  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF RAIN.  
CWR.................40 PERCENT DECREASING TO 30 PERCENT OVERNIGHT.  
MIN TEMPERATURE.....AROUND 39.  
MAX HUMIDITY........96 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....WEST 3 TO 6 MPH SHIFTING TO THE NORTH AROUND 3  
MPH LATE IN THE EVENING, THEN SHIFTING TO THE  
NORTHEAST 5 TO 6 MPH OVERNIGHT.  
DISPERSION INDEX....2.  
LVORI...............6.  
 
TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........91 91 91 85 81 72  
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE  
WEATHER TYPE....RAIN RAIN RAIN RAIN RAIN RAIN  
TSTM COV........  
CWR.............40 40 40 30 30 30  
TEMP............51 46 44 44 42 41  
RH..............59 73 82 82 91 96  
20 FT WIND......W 2 NW 1 NW 1 NW 1 N 1 NE 1  
20 FT WIND GUST.5 5 4 4 5 5  
20 FT WIND DIR..260 300 320 320 010 030  
MIX HGT (FT)....700 500 500 600 600 500  
TRANSPORT WIND..W 6 W 3 N 3 E 5 NE 6 NE 6  
DISPERSION IDX..3 0 0 2 3 3  
LVORI...........3 3 6 6 6 8  
   
MONDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CWR.................10 PERCENT.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......3500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 6 MPH.  
DISPERSION INDEX....3 INCREASING TO 19 LATE IN THE MORNING, THEN  
DECREASING TO 12 LATE IN THE AFTERNOON.  
LVORI...............4.  
 
TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........58 45 32 18 13 11  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
CWR.............10 10 10 0 0 0  
TEMP............40 46 53 61 64 63  
RH..............96 83 67 51 47 50  
20 FT WIND......NE 1 NE 2 NE 2 NE 2 N 2 NW 2  
20 FT WIND GUST.5 5 5 5 6 6  
20 FT WIND DIR..040 050 050 030 340 320  
MIX HGT (FT)....400 1100 2000 3000 3300 2500  
TRANSPORT WIND..NE 6 NE 6 NE 6 NE 6 N 5 N 5  
DISPERSION IDX..3 3 3 22 19 15  
LVORI...........6 6 3 2 2 2  
 
 
FORECASTER...AARON  
REQUESTED BY...CASEY HOWARD  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2503505.0/BMX  
.DELDT 02/22/25  
.FORMATTERVERSION 2.0.0  
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