531
FNUS71 KRLX 280850
FWSRLX
SPOT FORECAST FOR UPPER GREENBRIER NORTH...USFS
NATIONAL WEATHER SERVICE CHARLESTON WV
450 AM EDT TUE APR 28 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 28.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
AN APPROACHING COLD FRONT WILL BRING SHOWERS AND EVEN SOME
THUNDERSTORMS THIS MORNING.
ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS CAN BE EXPECTED
WEDNESDAY AS A LOW PRESSURE SYSTEM CROSSES THE AREA,
BRINGING MUCH NEEDED RAINFALL.
MUCH COOLER AIR ARRIVES FOR THE END OF THE WORK WEEK INTO THE
WEEKEND, BRINGING THE POTENTIAL FOR WIDESPREAD FROST AND FREEZE
CONDITIONS.
REST OF TODAY
SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). RAIN SHOWERS
EARLY IN THE MORNING. SLIGHT CHANCE OF
THUNDERSTORMS THROUGH THE DAY. SLIGHT CHANCE OF
RAIN SHOWERS IN THE AFTERNOON.
CWR.................70 PERCENT DECREASING TO 8 PERCENT.
CHANCE OF PCPN......80 PERCENT.
CHANCE OF THUNDER...18 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........71 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH WITH GUSTS TO AROUND
20 MPH SHIFTING TO THE WEST AROUND 6 MPH LATE
IN THE AFTERNOON. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......2400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 10 MPH SHIFTING TO THE WEST
AROUND 7 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (8200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (14500 KNOT-FT) IN THE
AFTERNOON.
LVORI...............5.
ADI.................12 TO 19.
TIME (EDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........88 84 88 88 84 85 70 70 60 60
WEATHER COV.....DEF CHC SCH SCH SCH SCH
WEATHER TYPE....RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH
CWR.............70 40 10 0 10 10 0 10 10 0
CHC OF PCPN (%).80 50 20 10 20 20 10 10 20 10
CHC OF THDR (%).20 20 20 10 10 10 10 10 20 10
TEMP............42 43 45 47 49 51 55 58 59 60
RH..............99 99 97 97 94 89 83 76 73 71
20 FT WIND DIR..S S S S SW SW SW SW SW W
20 FT WIND SPD..8 8 7 7 7 7 7 7 6 6
20 FT WIND GUST.20 19 18 18 17 16 14 14 14 14
MIX HGT (KFT)...1.1 1.4 1.2 1.2 1.3 1.3 1.3 1.7 2.1 2.4
TRANSP WIND DIR.S S S S SW SW SW SW SW W
TRANSP WIND SPD.10 9 9 8 8 8 8 8 7 7
LVORI...........5 5 5 6 5 5 4 3 3 3
ADI.............14 16 14 12 14 13 14 18 18 19
VRATE KT-FT/1K..10 9 9 8 8 8 9 12 14 15
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.
CWR.................5 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...15 PERCENT.
MIN TEMPERATURE.....AROUND 48.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT. GUSTY AND ERRATIC WINDS
EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING.
MIXING HEIGHT.......400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 2 TO 6 MPH.
SMOKE DISPERSAL.....POOR (800 KNOT-FT).
LVORI...............7.
ADI.................1 TO 4.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........40 50 58 62 59 63 77 79 80 83 88 89
WEATHER COV..... SCH
WEATHER TYPE.... RW
TSTM COV........ SCH
CWR.............0 0 0 0 0 0 0 0 0 0 0 10
CHC OF PCPN (%).10 0 10 10 0 10 0 0 0 0 10 20
CHC OF THDR (%).10 0 10 10 0 10 0 0 0 0 10 20
TEMP............60 59 58 55 53 52 51 51 51 49 50 50
RH..............71 73 78 86 89 92 98 98 97 100 100 99
20 FT WIND DIR..W W SW SW SW S SW SW SW S S S
20 FT WIND SPD..5 5 3 3 2 2 2 2 2 2 2 2
20 FT WIND GUST.12 11 10 8 7 8 7 6 6 6 6 7
MIX HGT (KFT)...2.5 1.6 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.4 0.4
TRANSP WIND DIR.W SW SW SW SW S S SW SW SW S S
TRANSP WIND SPD.6 6 5 5 3 3 3 2 2 2 2 2
LVORI...........3 3 4 6 7 7 10 10 9 10 10 10
ADI.............3 4 3 2 2 2 2 1 1 1 1 1
VRATE KT-FT/1K..11 6 2 1 1 2 1 1 1 1 1 1
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
WEDNESDAY
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SLIGHT CHANCE OF
THUNDERSTORMS IN THE MORNING. RAIN SHOWERS
THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE
AFTERNOON.
CWR.................5 PERCENT INCREASING TO 99 PERCENT.
CHANCE OF PCPN......100 PERCENT.
CHANCE OF THUNDER...38 PERCENT.
MAX TEMPERATURE.....AROUND 60.
MIN HUMIDITY........87 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST AROUND 7 MPH
WITH GUSTS TO AROUND 16 MPH. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE
MORNING. GUSTY AND ERRATIC WINDS EXPECTED NEAR
THUNDERSTORMS LATE IN THE MORNING.
MIXING HEIGHT.......2200 FT AGL.
TRANSPORT WINDS.....SOUTH 2 TO 8 MPH.
SMOKE DISPERSAL.....POOR (1200 KNOT-FT) EARLY IN THE MORNING
INCREASING TO FAIR (15200 KNOT-FT) IN THE
AFTERNOON.
LVORI...............7.
ADI.................2 TO 16.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........91 90 93 93 93 93 93 93 100 100 100 100
WEATHER COV.....SCH CHC DEF DEF DEF DEF DEF DEF DEF DEF DEF DEF
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW
TSTM COV........SCH SCH SCH SCH SCH CHC CHC CHC CHC
CWR.............10 30 90 90 90 90 90 90 100 100 100 100
CHC OF PCPN (%).20 40 90 90 90 90 90 90 100 100 100 100
CHC OF THDR (%).20 20 10 10 10 20 20 20 40 40 40 40
TEMP............50 51 52 53 55 56 57 58 59 59 58 57
RH..............100 100 100 97 94 92 90 88 87 87 87 88
20 FT WIND DIR..S S SW S S S S S S S SW SW
20 FT WIND SPD..2 2 3 3 3 5 5 6 7 7 7 7
20 FT WIND GUST.7 8 8 10 12 14 14 14 14 14 16 16
MIX HGT (KFT)...0.5 0.5 0.8 0.7 1.0 1.0 1.5 1.7 1.7 1.8 2.1 2.2
TRANSP WIND DIR.S SW SW S S S S S S S SW SW
TRANSP WIND SPD.2 3 3 5 5 6 7 7 8 8 8 8
LVORI...........10 9 9 7 6 6 5 4 4 4 4 4
ADI.............2 4 4 5 5 7 14 15 14 15 16 16
VRATE KT-FT/1K..1 2 2 3 4 5 7 9 12 13 15 15
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FORECASTER...RPY
REQUESTED BY...PHILIP BRASS
TYPE OF REQUEST...PRESCRIBED
.TAG 2611726.3/RLX
.DELDT 04/28/26
.FORMATTERVERSION 2.0.0
.EMAIL PHILIP.S.BRASS@USDA.GOV
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