447  
FNUS71 KAKQ 150844  
FWSAKQ  
 
SPOT FORECAST FOR DEMO RX - WANGO PINES...MD FOREST SERVICE  
NATIONAL WEATHER SERVICE WAKEFIELD VA  
444 AM EDT WED APR 15 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON APRIL 15.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT 757-899-5734.  
   
DISCUSSION
 
 
SOUTHWESTERLY WINDS WILL INCREASE TO 10-15 MPH LATER TODAY WITH  
GUSTS OF 15-20 MPH. AFTERNOON RH VALUES OF AROUND 35% ARE AGAIN EXPECTED  
ALONG WITH GOOD MIXING. MOSTLY SUNNY SKIES WILL PREVAIL.  
CONTINUED WARM AND DRY CONDITIONS ARE FORECAST ON THURSDAY WITH  
SOUTHWESTERLY WINDS AND PARTLY CLOUDY SKIES.  
   
TODAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........35 PERCENT.  
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......5700 FT AGL.  
TRANSPORT WINDS.....WEST 5 TO 13 MPH SHIFTING TO THE SOUTHWEST 16  
TO 21 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (1724 MPH-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (94299 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............3.  
ADI.................2 EARLY IN THE MORNING INCREASING TO 82 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........9 10 8 5 10 9 10 12 11 18 13 16  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............66 64 68 72 76 80 83 85 86 87 89 87  
RH..............70 78 70 64 56 51 44 41 39 38 35 38  
20 FT WIND DIR..SW SW SW SW W W W SW SW SW SW SW  
20 FT WIND SPD..4 4 4 5 5 6 7 8 9 10 10 10  
20 FT WIND GUST.6 6 6 8 9 12 13 14 16 16 18 18  
MIX HGT (KFT)...0.4 0.4 0.4 1.2 2.0 2.8 3.7 4.7 5.7 5.3 4.9 4.5  
TRANSP WIND DIR.W W W W W W W W W SW SW SW  
TRANSP WIND SPD.5 5 5 7 10 13 13 13 13 16 20 21  
LVORI...........3 4 3 2 2 1 1 1 1 1 1 1  
ADI.............2 4 5 11 26 44 58 69 82 68 79 82  
VRATE MPH-FT/1K.1 1 1 8 20 35 48 59 72 84 94 93  
VENTRATE CAT....PR PR PR PR PR PR FR FR GD GD GD GD  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 67.  
MAX HUMIDITY........63 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTH 9 TO 18 MPH DECREASING TO 7 TO 8 MPH IN  
THE LATE EVENING AND OVERNIGHT.  
SMOKE DISPERSAL.....GOOD (57039 MPH-FT) EARLY IN THE EVENING  
DECREASING TO POOR (3449 MPH-FT) LATE IN THE  
NIGHT.  
LVORI...............2.  
ADI.................70 EARLY IN THE EVENING DECREASING TO 3 LATE IN  
THE NIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........8 9 15 15 27 21 25 24 16 19 22 23  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............86 84 80 78 75 74 73 72 71 71 70 69  
RH..............39 41 47 50 54 55 57 59 61 59 61 61  
20 FT WIND DIR..SW S S S S SW SW SW SW SW SW SW  
20 FT WIND SPD..9 8 6 6 6 6 6 6 6 6 6 6  
20 FT WIND GUST.15 14 12 12 12 11 11 11 12 11 11 11  
MIX HGT (KFT)...3.2 1.8 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.SW S S S S S S S SW SW SW SW  
TRANSP WIND SPD.18 14 9 8 7 7 7 8 8 8 8 8  
LVORI...........1 2 2 2 2 3 3 3 3 3 3 3  
ADI.............70 9 4 3 3 3 3 3 4 4 4 4  
VRATE MPH-FT/1K.57 24 4 3 3 3 3 3 4 3 3 3  
VENTRATE CAT....FR PR PR PR PR PR PR PR PR PR PR PR  
   
THURSDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 88.  
MIN HUMIDITY........35 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 9 MPH.  
MIXING HEIGHT.......4100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 8 TO 16 MPH INCREASING TO 18 TO 20  
MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (4024 MPH-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (80730 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............2.  
ADI.................4 EARLY IN THE MORNING INCREASING TO 96 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........40 37 40 39 43 46 47 49 50 51 51 52  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............68 69 70 74 77 80 83 84 85 86 88 86  
RH..............63 63 61 53 48 44 40 38 37 36 35 37  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW SW SW  
20 FT WIND SPD..6 6 6 7 7 7 8 8 9 9 9 9  
20 FT WIND GUST.11 11 11 12 13 14 14 14 15 15 16 16  
MIX HGT (KFT)...0.5 0.5 0.5 1.1 1.6 2.2 2.8 3.5 4.1 4.1 4.1 4.1  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.8 8 9 10 13 14 15 15 16 18 20 20  
LVORI...........3 3 3 2 2 1 1 1 1 1 1 1  
ADI.............4 9 10 15 26 38 52 65 78 88 96 96  
VRATE MPH-FT/1K.4 4 4 11 20 30 41 53 65 73 80 80  
VENTRATE CAT....PR PR PR PR PR PR PR FR FR GD GD GD  
 

 
FORECASTER...IYER  
REQUESTED BY...LANCE CARROLL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2610382.0/AKQ  
.DELDT 04/15/26  
.FORMATTERVERSION 2.0.0  
.EMAIL LANCE.CARROLL@MARYLAND.GOV  
 
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