737  
FNUS71 KAKQ 130934  
FWSAKQ  
 
SPOT FORECAST FOR BIG WOODS STATE FOREST...VDOF  
NATIONAL WEATHER SERVICE WAKEFIELD VA  
534 AM EDT THU MAR 13 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON MARCH 13.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT 757-899-5734.  
   
DISCUSSION
 
 
MOSTLY CLOUDY SKIES THIS MORNING, BECOMING PARTLY SUNNY BY THIS  
AFTERNOON. A LIGHT NORTH WIND BECOMES NORTHEAST THIS AFTERNOON  
(WIND SPEEDS ~5 TO 8 MPH). INCREASING HUMIDITY TODAY DUE TO THE  
ONSHORE WIND, MIN RH ONLY DROPS TO ~45% BY THIS AFTERNOON.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 69.  
MIN HUMIDITY........45 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH  
LATE IN THE AFTERNOON.  
MIXING HEIGHT.......2300 FT AGL.  
TRANSPORT WINDS.....NORTH 5 TO 8 MPH.  
SMOKE DISPERSAL.....POOR (1400 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (16400 KNOT-FT) IN THE  
AFTERNOON.  
LVORI...............5.  
ADI.................2 TO 24.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........53 66 80 81 81 82 71 61 50 49 47 46  
WEATHER COV..... PTY PTY PTY  
WEATHER TYPE.... FOG FOG FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............41 41 41 45 49 53 57 60 64 66 67 68  
RH..............96 96 96 86 80 71 64 58 52 48 47 45  
20 FT WIND DIR..N N N N N N N NE NE NE NE NE  
20 FT WIND SPD..2 2 2 2 3 4 4 4 5 5 5 5  
20 FT WIND GUST.3 3 3 3 5 6 6 6 8 8 8 8  
MIX HGT (KFT)...0.4 0.4 0.4 0.7 0.9 1.2 1.5 1.8 2.2 2.2 2.3 2.3  
TRANSP WIND DIR.NE NE N N N N N N N N N NE  
TRANSP WIND SPD.5 5 6 6 6 6 6 6 6 6 7 8  
LVORI...........8 7 7 4 4 3 2 2 2 2 2 2  
ADI.............2 5 6 6 7 9 11 13 16 18 20 24  
VRATE KT-FT/1K..1 2 2 4 5 6 7 9 11 12 14 16  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT). PATCHY FOG AFTER  
3 AM.  
CHANCE OF PCPN......10 PERCENT.  
MIN TEMPERATURE.....AROUND 42.  
MAX HUMIDITY........100 PERCENT.  
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 9 TO 13 MPH.  
SMOKE DISPERSAL.....FAIR (13700 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (4500 KNOT-FT) LATE IN THE  
NIGHT.  
LVORI...............5.  
ADI.................5 TO 20.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........50 55 59 63 67 71 72 73 74 79 84 90  
WEATHER COV..... PTY PTY PTY  
WEATHER TYPE.... FOG FOG FOG  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 10 10 10  
TEMP............64 59 54 52 50 48 47 47 46 45 44 43  
RH..............52 62 74 80 83 89 89 89 89 93 96 100  
20 FT WIND DIR..NE E E E NE NE NE NE NE NE NE NE  
20 FT WIND SPD..5 4 4 4 3 3 3 3 3 3 3 4  
20 FT WIND GUST.8 6 6 6 5 5 5 5 5 5 5 6  
MIX HGT (KFT)...1.7 1.1 0.4 0.5 0.6 0.6 0.7 0.8 0.9 0.9 0.9 1.0  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.9 10 12 13 13 13 13 12 12 12 13 13  
LVORI...........2 3 3 4 4 6 6 6 6 6 7 8  
ADI.............20 7 8 8 6 6 6 5 5 5 5 8  
VRATE KT-FT/1K..14 10 5 5 6 7 8 8 9 9 10 10  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING  
MOSTLY SUNNY (30-40 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
CHANCE OF PCPN......10 PERCENT.  
MAX TEMPERATURE.....AROUND 60.  
MIN HUMIDITY........60 PERCENT.  
WIND (20 FT)........LIGHT WINDS.  
MIXING HEIGHT.......2200 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 6 TO 12 MPH SHIFTING TO THE EAST  
AROUND 6 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (9000 KNOT-FT).  
LVORI...............5.  
ADI.................8 TO 18.  
 
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........90 90 72 54 36 31  
WEATHER COV.....PATCHY PATCHY  
WEATHER TYPE....FOG FOG NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).10 0 0 0 0 0  
TEMP............43 44 49 53 58 59  
RH..............100 93 80 71 62 60  
20 FT WIND......NE 4 NE 3 NE 4 E 4 E 4 E 4  
20 FT WIND GUST.6 5 6 6 6 6  
MIX HGT (FT)....1000 1000 1500 1900 2200 2100  
TRANSPORT WIND..NE 12 NE 10 NE 9 NE 8 E 7 E 6  
LVORI...........8 5 3 3 2 2  
ADI.............8 14 17 18 18 15  
VRATE KT-FT/1K..10 9 11 12 12 10  
VENTRATE CAT....POOR POOR POOR POOR POOR POOR  
 

 
FORECASTER...BUTNER  
REQUESTED BY...DENNIS GASTON  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2506157.0/AKQ  
.DELDT 03/13/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DENNIS.GASTON@DOF.VIRGINIA.GOV  
 
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