572
FNUS71 KRNK 291035
FWSRNK
SPOT FORECAST FOR MILL CREEK UNIT 12...EDRD
NATIONAL WEATHER SERVICE BLACKSBURG VA
635 AM EDT SUN MAR 29 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON MARCH 29.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
EXPECT ABUNDANT SUNSHINE THROUGH THE DAY, OCCASIONALLY WITH PASSING
HIGH CLOUDS. NO RAINFALL IS FORECASTED THROUGH TODAY. WINDS WILL
BEGIN THE DAY NEAR CALM AND VARIABLE DIRECTION, GRADUALLY SHIFTING
FROM THE SOUTH AS THE MORNING PROGRESSES, WITH GUSTS REACHING TO
NEARLY 20 MPH BY LATE MORNING. MINIMUM RH WILL REACH AS LOW AS 20
PERCENT THIS AFTERNOON DURING MAXIMUM HEATING OF AROUND 63 DEGREES.
INCREASED MOISTURE WILL ARRIVE FOR MONDAY, WITH HIGHER MINIMUM
RELATIVE HUMIDITY DURING THE AFTERNOON AND WIDELY SCATTERED AFTERNOON
SHOWERS, THOUGH THESE WILL BE BRIEF IN DURATION, MOSTLY WITH LESS
THAN 0.10" RAINFALL TOTALS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 63.
MIN HUMIDITY........21 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 7 MPH WITH
GUSTS TO AROUND 17 MPH IN THE LATE MORNING AND
AFTERNOON.
MIXING HEIGHT.......5300 FT AGL.
MIXING WINDS........NORTH AROUND NEAR CALM EARLY THIS MORNING, THEN
INCREASING TO SOUTHWEST 15 TO 17 MPH LATE IN
THE MORNING.
SMOKE DISPERSAL.....POOR (0 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (78600 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................0 EARLY IN THE MORNING INCREASING TO 72 IN THE
AFTERNOON.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........41 45 36 20 16 17 8 9 8 8 15
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0
TEMP............28 34 39 44 49 53 56 60 62 62 62
RH..............64 59 51 39 34 30 26 23 21 21 21
20 FT WIND DIR..SW SW S S S S S S S S S
20 FT WIND SPD..1 2 2 5 6 6 7 7 7 7 7
20 FT WIND GUST.5 6 10 12 14 14 14 16 16 16 17
MIX HGT (KFT)...0.4 0.4 1.1 2.0 2.6 3.3 4.2 5.0 5.2 5.3 5.1
MIXNG WIND DIR..N SE SE S S S S SW SW SW SW
MIXNG WIND SPD..0 1 6 10 15 16 15 15 16 17 17
LVORI...........3 3 2 2 1 1 1 1 1 1 1
ADI.............0 1 8 27 49 64 59 62 68 72 72
VRATE MPH-FT/1K.0 0 6 21 39 53 65 75 84 90 88
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MIN TEMPERATURE.....AROUND 45.
MAX HUMIDITY........67 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH WITH GUSTS TO AROUND
16 MPH IN THE EVENING AND OVERNIGHT BECOMING
LIGHT.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........SOUTHWEST 7 TO 15 MPH.
SMOKE DISPERSAL.....EXCELLENT (60700 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3400 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............2.
ADI.................61 EARLY IN THE EVENING DECREASING TO 3 LATE IN
THE NIGHT.
TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........26 21 37 37 44 42
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............60 55 50 49 47 46
RH..............22 26 33 36 41 50
20 FT WIND......S 7 SW 6 SW 6 SW 5 SW 5 SW 4
20 FT WIND GUST.16 13 12 11 11 10
MIX HGT (FT)....4500 900 800 700 600 600
MIXING WIND......SW 15 S 13 S 10 S 9 SW 10 SW 8
LVORI...........1 2 2 2 2 3
ADI.............61 6 4 4 5 4
VRATE MPH-FT/1K.70 11 8 7 7 5
MONDAY
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON.
CWR (0.01 IN).......10 PERCENT INCREASING TO 20 PERCENT IN THE
AFTERNOON.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 6 MPH WITH
GUSTS TO AROUND 16 MPH IN THE AFTERNOON.
MIXING HEIGHT.......4900 FT AGL.
MIXING WINDS........SOUTHWEST 5 TO 13 MPH.
SMOKE DISPERSAL.....POOR (1600 KNOT-FT) EARLY IN THE MORNING
INCREASING TO GOOD (49400 KNOT-FT) IN THE
AFTERNOON.
LVORI...............2.
ADI.................3 TO 36.
TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........48 58 56 63 71 66
WEATHER COV..... S CHC S CHC
WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR
TSTM COV........
CWR.............10 10 10 10 20 20
TEMP............47 47 56 63 67 69
RH..............57 67 54 49 47 45
20 FT WIND......SW 3 SW 2 SW 2 SW 4 SW 6 SW 6
20 FT WIND GUST.10 11 13 16 16 16
MIX HGT (FT)....500 400 2100 3600 4900 4200
MIXING WIND......SW 6 SW 5 SW 7 SW 9 SW 12 SW 13
LVORI...........3 3 2 2 1 1
ADI.............3 4 18 25 35 36
VRATE MPH-FT/1K.3 2 14 34 57 53
FORECASTER...FILLO
REQUESTED BY...BRIAN THEILER
TYPE OF REQUEST...PRESCRIBED
.TAG 2608287.0/RNK
.DELDT 03/29/26
.FORMATTERVERSION 2.0.0
.EMAIL BRIAN.THEILER@USDA.GOV
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