743  
FNUS71 KAKQ 062156  
FWSAKQ  
 
SPOT FORECAST FOR FURNACE TOWN RX - UNIT K...MARYLAND FOREST SERVICE  
NATIONAL WEATHER SERVICE WAKEFIELD VA  
556 PM EDT MON APR 6 2026  
 
FORECAST IS BASED ON IGNITION TIME OF 1800 EDT ON APRIL 06.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE AT 757-899-5734.  
   
DISCUSSION  
 
LIGHT SOUTHWEST WINDS BECOME SOUTH AT AROUND 5 MPH BY LATE THIS  
EVENING, WITH RH RECOVERY TO AROUND 75 PERCENT TONIGHT. MOSTLY  
SUNNY, DRY, AND BREEZY CONDITIONS ARE EXPECTED ON TUESDAY, WITH  
NORTHWEST WINDS OF 10-15 MPH AND GUSTS TO 20-25 MPH. RH VALUES  
DROP TO AROUND 25 PERCENT TUESDAY AFTERNOON WITH GOOD MIXING.  
   
TONIGHT  
 
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING  
PARTLY CLOUDY (35-45 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 45.  
MAX HUMIDITY........76 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 6 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING SOUTH AROUND 5  
MPH LATE IN THE EVENING BECOMING LIGHT.  
MIXING HEIGHT.......500 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 7 TO 10 MPH SHIFTING TO THE SOUTH 5  
TO 7 MPH EARLY IN THE EVENING.  
SMOKE DISPERSAL.....GOOD (35880 MPH-FT) EARLY IN THE EVENING  
DECREASING TO POOR (2300 MPH-FT) LATE IN THE  
NIGHT.  
LVORI...............3.  
ADI.................44 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 (%).........28 36 44 52 60 68 69 70 70 61 51 42  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............56 54 52 51 50 50 50 49 48 48 48 46  
RH..............42 45 50 56 63 66 68 71 74 74 74 76  
20 FT WIND DIR..W S S S S S S S SW SW W W  
20 FT WIND SPD..6 5 4 4 5 5 5 4 4 4 4 4  
20 FT WIND GUST.8 6 6 7 8 8 8 8 7 7 7 8  
MIX HGT (KFT)...3.3 1.9 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5  
TRANSP WIND DIR.W SW S S S S S S S S SW SW  
TRANSP WIND SPD.10 7 5 5 6 7 7 7 7 6 5 6  
LVORI...........1 2 2 3 3 3 3 3 3 3 3 4  
ADI.............44 3 3 3 4 5 5 5 5 4 3 4  
VRATE MPH-FT/1K.35 13 2 2 2 3 3 3 3 2 2 2  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR  
   
TUESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 58.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 12 MPH. GUSTS UP TO 23 MPH  
LATE IN THE MORNING.  
MIXING HEIGHT.......5500 FT AGL.  
TRANSPORT WINDS.....WEST AROUND 12 MPH SHIFTING TO THE NORTHWEST 17  
TO 24 MPH.  
SMOKE DISPERSAL.....POOR (8049 MPH-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (119829 MPH-FT) IN THE  
AFTERNOON.  
LVORI...............2.  
ADI.................7 EARLY IN THE MORNING INCREASING TO 99 IN THE  
AFTERNOON.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........42 41 41 36 32 27 26 25 24 24 23 23  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............47 47 48 51 53 54 56 56 56 57 56 55  
RH..............71 68 63 54 46 41 35 32 30 28 27 26  
20 FT WIND DIR..W NW NW NW NW NW NW NW NW NW NW NW  
20 FT WIND SPD..5 5 6 7 9 11 11 12 12 12 12 12  
20 FT WIND GUST.8 9 9 12 14 18 19 20 21 21 20 19  
MIX HGT (KFT)...0.7 1.0 1.3 2.4 3.5 4.6 4.9 5.2 5.5 5.4 5.4 5.3  
TRANSP WIND DIR.W NW N NW NW NW NW NW NW NW NW NW  
TRANSP WIND SPD.12 17 23 24 23 22 22 22 22 22 22 22  
LVORI...........3 3 1 1 1 1 1 1 1 1 1 1  
ADI.............7 22 38 72 99 89 90 92 94 95 95 93  
VRATE MPH-FT/1K.8 17 28 56 81 102 108 113 119 119 119 116  
VENTRATE CAT....PR PR PR FR GD GD GD GD VGD VGD VGD VGD  
   
TUESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 33.  
MAX HUMIDITY........64 PERCENT.  
WIND (20 FT)........NORTH WINDS 5 TO 10 MPH DECREASING TO AROUND 6  
MPH AFTER 3 AM.  
MIXING HEIGHT.......700 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 12 TO 21 MPH SHIFTING TO THE NORTH 8  
TO 9 MPH LATE IN THE EVENING.  
SMOKE DISPERSAL.....EXCELLENT (84180 MPH-FT) EARLY IN THE EVENING  
DECREASING TO POOR (6324 MPH-FT) LATE IN THE  
NIGHT.  
LVORI...............2.  
ADI.................78 EARLY IN THE EVENING DECREASING TO 4 LATE IN  
THE NIGHT.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........24 14 8 7 14 21 17 12 8 7 7 6  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............54 50 47 45 43 41 40 38 37 36 35 34  
RH..............27 31 35 38 43 46 48 54 56 59 59 61  
20 FT WIND DIR..NW NW N N N N N N N N N N  
20 FT WIND SPD..10 8 5 5 5 5 5 5 5 5 6 6  
20 FT WIND GUST.14 12 9 9 9 9 9 9 9 9 11 11  
MIX HGT (KFT)...4.0 2.8 1.5 1.3 1.1 0.9 0.9 0.8 0.8 0.8 0.8 0.7  
TRANSP WIND DIR.NW NW N N N N N N N N N N  
TRANSP WIND SPD.21 20 17 14 12 9 9 9 9 9 8 9  
LVORI...........1 2 2 2 2 2 2 2 3 3 3 3  
ADI.............78 13 8 6 5 4 4 4 4 4 4 4  
VRATE MPH-FT/1K.84 52 24 18 12 8 7 7 7 6 6 6  
VENTRATE CAT....GD FR PR PR PR PR PR PR PR PR PR PR  
 
 
FORECASTER...IYER  
REQUESTED BY...LANCE CARROLL  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2609215.0/AKQ  
.DELDT 04/06/26  
.FORMATTERVERSION 2.0.0  
.EMAIL LANCE.CARROLL@MARYLAND.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab VA Page
The Nexlab NC Page
The Nexlab MD Page
Main Text Page