473
FNUS71 KAKQ 071131
FWSAKQ
SPOT FORECAST FOR SOUTH QUAY UNIT 12...DCR
NATIONAL WEATHER SERVICE WAKEFIELD VA
731 AM EDT TUE APR 7 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 07.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE AT 757-899-5734.
DISCUSSION
A DRY COLD FRONT CROSSES SOUTHEAST VA EARLY THIS MORNING. BEHIND
IT, DEWPOINTS DROP RAPIDLY CAUSING RHS AS LOW AS 25% THIS AFTERNOON.
WINDS SHIFT TO THE NW AND WITH SUSTAINED WINDS AROUND 10MPH AND GUSTS
AROUND 15MPH. HIGH LEVEL CLOUD COVER BREAKS UP THIS AFTERNOON AS HIGH
PRESSURE BUILDS IN. COOLER TOMORROW WITH GRADUALLY RISING DEWPOINTS,
RESULTING IN A HIGHER MIN RH OF 35-40%.
REST OF TODAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........25 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING NORTH 6 TO 8 MPH IN THE
LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......6200 FT AGL.
TRANSPORT WINDS.....NORTHWEST 6 TO 9 MPH SHIFTING TO THE NORTH 10
TO 16 MPH IN THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (4140 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (63709 MPH-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................6 EARLY IN THE MORNING INCREASING TO 72 IN THE
AFTERNOON.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........68 67 65 66 66 58 51 52 52 52
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0
TEMP............49 53 56 59 61 63 64 64 64 63
RH..............77 64 53 45 39 35 31 30 28 25
20 FT WIND DIR..NW N N N N N N N N N
20 FT WIND SPD..3 4 6 7 7 7 7 7 7 8
20 FT WIND GUST.5 6 9 11 12 12 11 12 12 13
MIX HGT (KFT)...0.7 1.6 2.5 3.4 4.1 4.8 5.5 5.7 5.9 6.2
TRANSP WIND DIR.W NW N N N N N N N N
TRANSP WIND SPD.6 9 14 16 15 13 10 10 10 10
LVORI...........4 2 1 1 1 1 1 1 1 1
ADI.............6 19 43 66 72 70 64 66 68 71
VRATE MPH-FT/1K.4 14 34 54 60 60 56 58 61 63
VENTRATE CAT....PR PR PR FR FR FR FR FR FR FR
TONIGHT
SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING
PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING
CLEAR (0-5 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 36.
MAX HUMIDITY........67 PERCENT.
WIND (20 FT)........NORTH WINDS 5 TO 7 MPH IN THE EVENING AND
OVERNIGHT BECOMING LIGHT.
MIXING HEIGHT.......700 FT AGL.
TRANSPORT WINDS.....NORTHEAST 10 TO 14 MPH.
SMOKE DISPERSAL.....GOOD (45310 MPH-FT) EARLY IN THE EVENING
DECREASING TO POOR (8625 MPH-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................54 EARLY IN THE EVENING DECREASING TO 5 LATE IN
THE NIGHT.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........52 44 32 17 1 2
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............62 54 49 45 43 39
RH..............26 35 39 43 51 59
20 FT WIND......N 7 NE 6 NE 5 N 5 N 5 NE 4
20 FT WIND GUST.12 11 11 9 9 9
MIX HGT (FT)....4400 800 800 800 900 700
TRANSPORT WIND..N 10 NE 12 NE 13 NE 14 NE 13 NE 13
LVORI...........1 2 2 2 2 3
ADI.............54 8 6 6 6 6
VRATE MPH-FT/1K.45 9 10 11 11 9
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
WEDNESDAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 57.
MIN HUMIDITY........37 PERCENT.
WIND (20 FT)........NORTHEAST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......4000 FT AGL.
TRANSPORT WINDS.....NORTHEAST 16 TO 23 MPH.
SMOKE DISPERSAL.....FAIR (18745 MPH-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (76360 MPH-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................7 EARLY IN THE MORNING INCREASING TO 92 IN THE
AFTERNOON.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........3 5 8 11 13 18
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0
TEMP............38 40 46 53 55 56
RH..............62 59 49 39 38 37
20 FT WIND......NE 5 NE 6 NE 7 NE 7 NE 8 NE 8
20 FT WIND GUST.9 12 13 14 14 14
MIX HGT (FT)....1200 2100 3200 3800 4000 3700
TRANSPORT WIND..NE 16 NE 22 NE 22 NE 20 NE 18 NE 20
LVORI...........3 1 1 1 1 1
ADI.............7 60 85 89 89 88
VRATE MPH-FT/1K.18 46 68 73 74 72
VENTRATE CAT....POOR FAIR FAIR GOOD GOOD GOOD
FORECASTER...CHRETIEN
REQUESTED BY...REBECCA WILSON
TYPE OF REQUEST...PRESCRIBED
.TAG 2609275.0/AKQ
.DELDT 04/07/26
.FORMATTERVERSION 2.0.0
.EMAIL REBECCA.WILSON@DCR.VIRGINIA.GOV
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