418
FNUS71 KAKQ 071007
FWSAKQ
SPOT FORECAST FOR TWIN LAKES SP RX...VA DCR
NATIONAL WEATHER SERVICE WAKEFIELD VA
607 AM EDT WED MAY 7 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 EDT ON MAY 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE AT 757-899-5734.
DISCUSSION
DRY AND PLEASANT TODAY WITH WEAK HIGH PRESSURE OVER THE AREA. THE
WIND WILL INITIALLY BE CALM EARLY THIS MORNING, THEN BECOME LIGHT
OUT OF THE NORTHWEST LATER THIS MORNING, AND THEN TRENDING TO
SOUTHWEST THIS AFTERNOON. WELL MIXED TODAY WITH MINIMUM RELATIVE
HUMIDITY VALUES AROUND 35%. A LOW PRESSURE SYSTEM AND A COLD
FRONT WILL BRING A CHANCE OF SHOWERS AND A FEW THUNDERSTORMS
THURSDAY AFTERNOON INTO EARLY FRIDAY.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....WEST 2 TO 9 MPH.
SMOKE DISPERSAL.....POOR (919 MPH-FT) EARLY IN THE MORNING
INCREASING TO GOOD (59684 MPH-FT) IN THE
AFTERNOON.
LVORI...............5.
ADI.................1 EARLY IN THE MORNING INCREASING TO 72 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........13 17 14 14 13 12 23 34 45 47 49 51
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............49 51 55 60 64 69 72 74 76 77 78 77
RH..............96 89 86 69 60 49 44 40 37 36 35 36
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..3 3 3 3 3 3 4 4 4 4 4 4
20 FT WIND GUST.5 5 5 5 5 5 6 6 7 7 7 7
MIX HGT (KFT)...0.3 0.4 0.4 1.6 2.9 4.2 5.0 5.7 6.5 6.4 6.2 6.0
TRANSP WIND DIR.W W W W NW NW W W W W W W
TRANSP WIND SPD.2 3 3 5 5 6 7 8 9 9 8 7
LVORI...........8 6 3 3 2 1 1 1 1 1 1 1
ADI.............1 3 3 9 18 31 44 59 72 70 63 32
VRATE MPH-FT/1K.0 1 1 6 14 24 35 48 59 57 51 43
VENTRATE CAT....PR PR PR PR PR PR PR FR FR FR FR PR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........90 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......300 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 2 TO 6 MPH SHIFTING TO THE SOUTH 1 TO
2 MPH IN THE LATE EVENING AND OVERNIGHT, THEN
SHIFTING TO THE NORTH AROUND 0 MPH EARLY IN THE
MORNING.
SMOKE DISPERSAL.....FAIR (23460 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (114 MPH-FT) LATE IN THE
NIGHT.
LVORI...............4.
ADI.................0 TO 21.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........53 55 58 59 61 63 63 64 65 62 59 56
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 10 10 10 10
TEMP............76 74 70 67 65 63 62 62 60 60 59 58
RH..............40 44 55 61 65 72 75 72 78 78 80 83
20 FT WIND DIR..SW S S S S S SW SW W W W W
20 FT WIND SPD..4 3 2 2 2 3 2 2 2 2 2 2
20 FT WIND GUST.6 5 3 3 5 5 5 5 3 3 3 3
MIX HGT (KFT)...4.2 2.4 0.6 0.5 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3
TRANSP WIND DIR.W SW SW SW S S S SW SW S SE N
TRANSP WIND SPD.6 3 2 2 2 2 2 2 2 2 1 0
LVORI...........2 2 2 3 4 3 4 3 4 4 6 6
ADI.............21 2 1 1 1 1 1 1 1 1 0 0
VRATE MPH-FT/1K.23 8 1 1 0 0 0 0 0 0 0 0
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
THURSDAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 80.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......6100 FT AGL.
TRANSPORT WINDS.....NORTH AROUND 0 MPH SHIFTING TO THE SOUTH 2 TO 7
MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (0 MPH-FT) EARLY IN THE MORNING INCREASING
TO GOOD (31394 MPH-FT) IN THE AFTERNOON.
LVORI...............4.
ADI.................0 TO 38.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........53 51 48 45 43 40 41 43 45 47 50 53
WEATHER COV..... CHC CHC CHC CHC
WEATHER TYPE.... RW RW RW RW
TSTM COV........ CHC CHC CHC CHC
CHC OF PCPN (%).10 10 0 0 0 0 0 0 30 30 30 30
TEMP............57 59 60 64 68 72 74 76 77 78 80 78
RH..............90 87 87 75 65 57 51 48 47 45 42 45
20 FT WIND DIR..W NW NW NW W W SW SW S SW SW SW
20 FT WIND SPD..2 2 1 2 2 2 3 3 3 3 3 2
20 FT WIND GUST.3 3 2 3 3 5 5 5 5 5 5 5
MIX HGT (KFT)...0.4 0.4 0.5 1.5 2.6 3.7 4.5 5.3 6.1 5.9 5.7 5.5
TRANSP WIND DIR.N N N SE S S S S S S S S
TRANSP WIND SPD.0 0 0 2 5 7 7 6 5 5 5 6
LVORI...........7 6 6 4 3 1 1 1 1 1 1 1
ADI.............0 0 0 5 17 32 38 37 34 33 35 36
VRATE MPH-FT/1K.0 0 0 3 12 25 29 29 28 27 28 31
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...ZIMMERMAN
REQUESTED BY...KERRY ONEILL
TYPE OF REQUEST...PRESCRIBED
.TAG 2513316.0/AKQ
.DELDT 05/07/25
.FORMATTERVERSION 2.0.0
.EMAIL KERRY.ONEILL@DCR.VIRGINIA.GOV
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