127  
FNUS71 KAKQ 211031  
FWSAKQ  
 
SPOT FORECAST FOR WILNA WOODS...WFS  
NATIONAL WEATHER SERVICE WAKEFIELD VA  
631 AM EDT SAT MAR 21 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON MARCH 21.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT 757-899-5734.  
   
DISCUSSION
 
 
STARTING OUT ON THE MORE HUMID-SIDE THIS MORNING WITH NEARBY SURFACE  
OBSERVATIONS INDICATING PATCHY FOG. ONCE WINDS TURN TO THE NORTH  
AND PICK UP TO 5 TO 10 MPH AROUND MID-MORNING, RHS SHOULD START TO  
DROP. STILL, IT WILL TAKE UNTIL AT LEAST MID AFTERNOON TO REACH RHS  
BELOW 50%. WINDS THEN TURN TO THE EAST LATER THIS EVENING. OTHERWISE,  
MOSTLY SUNNY AND MILD WITH A HIGH IN THE UPPER 60S.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (15-25 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 67.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTH AROUND 5 MPH LATE IN  
THE MORNING, THEN BECOMING LIGHT LATE IN THE  
AFTERNOON.  
MIXING HEIGHT.......3700 FT AGL.  
TRANSPORT WINDS.....WEST 2 TO 5 MPH SHIFTING TO THE NORTHEAST 1 TO  
2 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (1035 MPH-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (33005 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
ADI.................2 TO 40.  
 
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........31 24 20 16 11 10 9 8 11 13 15  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0  
TEMP............50 49 53 57 62 63 65 66 66 66 66  
RH..............96 100 86 77 67 60 54 50 48 45 47  
20 FT WIND DIR..W NW NW N N N N N N NE NE  
20 FT WIND SPD..4 3 4 4 5 5 5 5 5 4 4  
20 FT WIND GUST.6 5 7 9 11 11 11 9 8 7 7  
MIX HGT (KFT)...0.6 0.5 1.1 1.8 2.4 2.8 3.3 3.7 3.6 3.4 3.3  
TRANSP WIND DIR.W W NW N N N N N N NE NE  
TRANSP WIND SPD.2 2 5 9 12 12 10 8 6 2 1  
LVORI...........6 6 4 3 3 1 1 1 2 2 2  
ADI.............2 2 8 20 35 40 40 36 23 11 5  
VRATE MPH-FT/1K.1 1 5 15 27 32 33 29 18 8 4  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 47.  
MAX HUMIDITY........93 PERCENT.  
WIND (20 FT)........EAST WINDS AROUND 5 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING SOUTHEAST AROUND  
5 MPH LATE IN THE EVENING BECOMING LIGHT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....EAST 3 TO 9 MPH SHIFTING TO THE SOUTH AROUND 10  
MPH AFTER 3 AM.  
SMOKE DISPERSAL.....POOR (5060 MPH-FT).  
LVORI...............4.  
ADI.................3 TO 9.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........16 17 18 18 21 24 27 31 34 33 38 42  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 10 10 10  
TEMP............63 60 57 54 52 51 50 49 49 48 47 48  
RH..............50 53 57 66 71 77 80 86 86 89 93 89  
20 FT WIND DIR..E E E SE SE SE SE SE S S S S  
20 FT WIND SPD..5 4 4 4 5 5 5 4 4 4 4 4  
20 FT WIND GUST.7 6 6 6 7 7 7 7 7 7 6 7  
MIX HGT (KFT)...2.4 1.5 0.5 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6 0.6  
TRANSP WIND DIR.NE E E E SE SE SE S S S S S  
TRANSP WIND SPD.3 6 9 12 13 13 13 12 10 10 10 10  
LVORI...........2 2 3 3 3 4 4 5 5 6 6 5  
ADI.............9 3 4 5 5 6 5 5 5 5 5 7  
VRATE MPH-FT/1K.7 9 5 6 7 7 7 6 6 5 5 5  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
SUNDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 81.  
MIN HUMIDITY........42 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH.  
MIXING HEIGHT.......3900 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 9 TO 16 MPH INCREASING TO 20 TO 22  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (6324 MPH-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (82685 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............4.  
ADI.................5 EARLY IN THE MORNING INCREASING TO 79 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........27 41 64 57 53 48 41 35 28 28 27 27  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).10 10 0 0 0 0 0 0 0 0 0 0  
TEMP............49 49 50 54 59 64 69 74 77 80 81 81  
RH..............89 89 89 86 78 67 61 53 48 44 42 42  
20 FT WIND DIR..S S S S SW SW SW SW SW SW SW SW  
20 FT WIND SPD..4 5 5 6 7 8 8 9 9 9 9 9  
20 FT WIND GUST.7 7 7 7 9 12 14 14 14 14 14 14  
MIX HGT (KFT)...0.6 0.6 0.6 0.9 1.2 1.5 2.2 2.9 3.6 3.7 3.8 3.9  
TRANSP WIND DIR.S S S SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.10 10 10 10 9 9 9 10 13 16 20 22  
LVORI...........6 5 5 5 4 3 2 1 1 1 1 1  
ADI.............5 11 8 11 15 18 25 34 45 58 72 79  
VRATE MPH-FT/1K.6 6 7 9 11 13 21 31 45 59 74 82  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR FR GD GD  
 

 
FORECASTER...CHRETIEN  
REQUESTED BY...SIMMONS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2606959.0/AKQ  
.DELDT 03/21/26  
.FORMATTERVERSION 2.0.0  
.EMAIL FRANK_SIMMONS@FWS.GOV  
 
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