521  
FNUS71 KAKQ 091226  
FWSAKQ  
 
SPOT FORECAST FOR CLAYTON BURN...TL BAIN LLLP  
NATIONAL WEATHER SERVICE WAKEFIELD VA  
826 AM EDT THU APR 9 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 09.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT 757-899-5734.  
   
DISCUSSION
 
 
MOSTLY SUNNY SKIES, LIGHT WINDS, AND DRY CONDITIONS ARE EXPECTED  
TODAY AS HIGH PRESSURE REMAINS CENTERED NORTHEAST OF THE AREA.  
CALM OR LIGHT EASTERLY WINDS THIS MORNING BECOME E AROUND  
5 TO 10 MPH LATER THIS MORNING THROUGH THE AFTERNOON. RH VALUES  
WILL DROP TO 35 TO 40 PERCENT BY THIS AFTERNOON.  
 
   
REST OF TODAY
 
 
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 63.  
MIN HUMIDITY........43 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH IN THE  
LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......3800 FT AGL.  
TRANSPORT WINDS.....EAST 6 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (12994 MPH-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (26334 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............2.  
ADI.................16 TO 32.  
 
TIME (EDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0  
TEMP............47 52 55 58 60 62 62 62 61  
RH..............74 61 55 49 46 43 44 44 46  
20 FT WIND DIR..NE NE E E E E E E E  
20 FT WIND SPD..4 5 5 6 6 6 6 6 6  
20 FT WIND GUST.7 8 8 11 11 11 11 11 11  
MIX HGT (KFT)...1.3 2.0 2.7 3.1 3.5 3.8 3.6 3.5 3.3  
TRANSP WIND DIR.E E E E E E E E E  
TRANSP WIND SPD.10 9 8 7 6 6 6 7 8  
LVORI...........3 2 2 2 2 2 2 2 1  
ADI.............16 22 26 25 25 27 27 30 32  
VRATE MPH-FT/1K.12 18 21 21 19 21 20 23 26  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR  
   
TONIGHT
 
 
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 38.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....EAST 1 TO 10 MPH.  
SMOKE DISPERSAL.....FAIR (21390 MPH-FT) EARLY IN THE EVENING  
DECREASING TO POOR (459 MPH-FT) LATE IN THE  
NIGHT.  
LVORI...............6.  
ADI.................1 TO 27.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............59 56 52 49 46 44 43 42 41 40 39 38  
RH..............51 57 69 77 86 93 96 96 93 100 100 100  
20 FT WIND DIR..E E E E E E E E E E NE N  
20 FT WIND SPD..5 5 4 3 3 2 1 1 1 1 1 0  
20 FT WIND GUST.8 8 8 6 5 5 3 2 2 2 2 1  
MIX HGT (KFT)...2.3 1.4 0.5 0.5 0.5 0.5 0.5 0.4 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.E E E E E E E E E E NE NE  
TRANSP WIND SPD.9 10 10 9 8 6 5 3 2 2 2 1  
LVORI...........2 3 3 4 5 6 8 8 7 10 10 10  
ADI.............27 4 5 4 3 3 2 2 1 1 1 1  
VRATE MPH-FT/1K.21 14 4 4 3 2 2 1 0 0 0 0  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
FRIDAY
 
 
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 74.  
MIN HUMIDITY........33 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....EAST AROUND 1 MPH SHIFTING TO THE SOUTH IN THE  
LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR (459 MPH-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (19550 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............6.  
ADI.................1 TO 25.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............39 40 42 49 55 60 65 68 71 72 73 71  
RH..............100 100 96 77 64 55 45 40 36 34 33 35  
20 FT WIND DIR..N N N E SE S S S S S S S  
20 FT WIND SPD..0 0 0 1 1 1 1 2 2 3 3 4  
20 FT WIND GUST.1 1 1 2 2 2 3 3 5 5 6 6  
MIX HGT (KFT)...0.4 0.4 0.4 0.9 1.3 1.8 2.4 3.0 3.7 3.6 3.5 3.4  
TRANSP WIND DIR.NE E E SE S S S S S S S S  
TRANSP WIND SPD.1 1 1 1 1 1 1 2 2 3 5 6  
LVORI...........10 10 8 4 3 3 2 2 2 2 2 2  
ADI.............1 2 2 2 3 4 5 7 11 16 21 25  
VRATE MPH-FT/1K.0 0 0 1 1 2 2 7 8 12 15 19  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
 

 
FORECASTER...BUTNER  
REQUESTED BY...PHIL BAIN  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609758.0/AKQ  
.DELDT 04/09/26  
.FORMATTERVERSION 2.0.0  
.EMAIL NCSU9310@GMAIL.COM  
 
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