211
FNUS71 KAKQ 211020
FWSAKQ
SPOT FORECAST FOR RICH MALVERN HILL RX...USWFS
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 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
DRY WEATHER WILL PREVAIL TODAY AND TOMORROW OUTSIDE OF A FEW STRAY
SPRINKLES EARLY THIS MORNING. MIN HUMIDITY WILL BE ABOUT 35%, BUT IT
WILL TAKE MOST OF THE DAY TO REACH THESE VALUES, NOT DROPPING BELOW
40% UNTIL THE LATE AFTERNOON. WINDS STARTING OUT LIGHT AND VARIABLE
EARLY, THEN TURNING TO THE NORTH AT 5 TO 10 MPH MID MORNING AND
THEN THE NORTHEAST LATER TODAY.
REST OF TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 73.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......4600 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 2 TO 5 MPH SHIFTING TO THE NORTH 5 TO
12 MPH IN THE LATE MORNING AND EARLY AFTERNOON,
THEN SHIFTING TO THE EAST AROUND 2 MPH LATE IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR (1035 MPH-FT) EARLY IN THE MORNING
INCREASING TO GOOD (34155 MPH-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................2 TO 42.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........40 34 29 23 18 15 11 8 11 13 16
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0
TEMP............52 51 55 60 65 67 69 72 72 72 72
RH..............86 89 80 69 60 54 49 42 41 39 35
20 FT WIND DIR..W W NW NW N N N N N NE NE
20 FT WIND SPD..3 2 3 3 4 4 4 4 4 4 3
20 FT WIND GUST.5 3 5 8 9 9 9 9 9 7 6
MIX HGT (KFT)...0.5 0.4 1.1 1.8 2.4 3.1 3.7 4.4 4.5 4.5 4.6
TRANSP WIND DIR.SW SW W N N N N N NE E SE
TRANSP WIND SPD.2 2 5 9 12 12 9 7 5 2 2
LVORI...........6 6 4 3 1 1 1 1 2 2 2
ADI.............2 2 7 20 35 42 41 36 24 14 12
VRATE MPH-FT/1K.1 1 5 15 28 34 34 30 20 11 10
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 49.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....SOUTHEAST 6 TO 14 MPH SHIFTING TO THE SOUTH
AROUND 8 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....FAIR (20585 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (3794 MPH-FT) LATE IN THE
NIGHT.
LVORI...............4.
ADI.................4 TO 23.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........17 18 19 21 18 16 17 18 19 25 31 27
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 10 10 10
TEMP............68 64 61 57 55 53 52 51 50 50 49 49
RH..............43 48 53 64 69 77 80 86 89 89 89 89
20 FT WIND DIR..E E E SE SE SE SE SE SE S S S
20 FT WIND SPD..4 4 4 4 4 4 3 3 3 2 2 3
20 FT WIND GUST.7 7 9 9 9 9 8 8 8 7 7 6
MIX HGT (KFT)...3.3 2.0 0.7 0.7 0.7 0.7 0.6 0.6 0.5 0.5 0.5 0.5
TRANSP WIND DIR.SE SE E SE SE SE SE SE S S S S
TRANSP WIND SPD.6 10 14 14 13 12 12 10 10 9 8 8
LVORI...........2 2 2 3 3 4 4 5 6 6 6 6
ADI.............23 5 6 6 6 5 5 5 4 4 4 4
VRATE MPH-FT/1K.18 20 9 9 8 7 6 6 5 4 4 3
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 85.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH IN
THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......4700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 14 MPH INCREASING TO 17 TO 22
MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (3449 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (100279 MPH-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................3 EARLY IN THE MORNING INCREASING TO 86 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........26 26 51 56 49 41 34 27 20 20 19 19
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 10 0 0 0 0 0 0 0 0 0 0
TEMP............49 49 51 56 61 67 72 77 81 84 85 85
RH..............93 93 89 83 78 68 59 50 44 40 39 39
20 FT WIND DIR..S S S SW SW SW SW SW SW SW SW SW
20 FT WIND SPD..3 3 3 4 5 7 7 8 9 8 9 8
20 FT WIND GUST.6 6 6 6 8 12 14 14 14 15 15 15
MIX HGT (KFT)...0.5 0.5 0.5 0.8 1.2 1.5 2.3 3.1 3.9 4.2 4.4 4.7
TRANSP WIND DIR.S S S S SW SW SW SW SW SW SW SW
TRANSP WIND SPD.7 7 7 7 7 8 9 12 14 17 21 22
LVORI...........6 6 5 4 4 3 2 1 1 1 1 1
ADI.............3 7 7 7 11 15 27 37 51 66 80 86
VRATE MPH-FT/1K.3 3 3 5 8 11 21 35 54 72 90 100
VENTRATE CAT....PR PR PR PR PR PR PR PR FR GD GD GD
FORECASTER...CHRETIEN
REQUESTED BY...LANE GIBBONS
TYPE OF REQUEST...PRESCRIBED
.TAG 2606911.0/AKQ
.DELDT 03/21/26
.FORMATTERVERSION 2.0.0
.EMAIL LANE_GIBBONS@NPS.GOV
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