051
FNUS71 KRLX 230759
FWSRLX
SPOT FORECAST FOR UPPER GREENBRIER RX...USFS
NATIONAL WEATHER SERVICE CHARLESTON WV
359 AM EDT THU APR 23 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 EDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
A DRY MORNING TO START WILL BE FOLLOWED BY A MORE ACTIVE AFTERNOON
DUE TO POP UP SHOWERS AND THUNDERSTORMS. MIDDAY CUMULUS FIELDS WILL
BEGIN TO BUBBLE SHORTLY AFTER 12 AND 1 PM AND GROW VERTICALLY INTO
SHOWERS AND STORMS CLOSE BY, IF NOT OVERTOP OF THE BURN SITE. THE CHANCE
FOR PRECIPITATION TODAY WILL BE AROUND 30 PERCENT.
MIXING HEIGHTS WILL BEGIN ITS DAILY RISE JUST BEFORE THE FORECAST
IGNITION TIME THIS MORNING, AND IS PROJECTED TO PEAK AROUND 5,600
FEET AGL NEAR 3 PM, BUT THOSE VALUES COULD BE SKEWED DOWNWARD IN THE
EVENT OF AFTERNOON SHOWERS AND STORMS. MINIMUM RELATIVE HUMIDITIES
ARE PROGGED TO BOTTOM OUT IN THE UPPER 40S THIS AFTERNOON, AND COULD
ONCE AGAIN BE IMPACTED BY CLOUDS AND PRECIPITATION. GUSTY TO ERRATIC
SURFACE WINDS WILL BE POSSIBLE THIS AFTERNOON IN AND OUT OF THUNDERSTORMS.
A MOSTLY DRY DAY IS ON TAP FOR FRIDAY AMID STRONG DAYTIME HEATING BEFORE
WIDESPREAD RAIN ASSOCIATED WITH A COLD FRONT ARRIVES FOR THE START
OF THE WEEKEND. ACTIVE WEATHER LOOMS INTO THE START OF THE NEXT WEEK
AMID ADDITIONAL DISTURBANCES.
TODAY
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS
LATE IN THE AFTERNOON.
CWR.................5 PERCENT INCREASING TO 11 PERCENT LATE IN THE
AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
CHANCE OF THUNDER...28 PERCENT.
MAX TEMPERATURE.....AROUND 67.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 7 MPH WITH GUSTS
TO AROUND 16 MPH IN THE LATE MORNING AND
AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.
MIXING HEIGHT.......5600 FT AGL.
TRANSPORT WINDS.....WEST 3 TO 12 MPH SHIFTING TO THE NORTHWEST 10
TO 13 MPH LATE IN THE AFTERNOON.
SMOKE DISPERSAL.....POOR (900 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (63000 KNOT-FT) IN THE
AFTERNOON.
LVORI...............3.
ADI.................3 EARLY IN THE MORNING INCREASING TO 81 IN THE
AFTERNOON.
TIME (EDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........38 35 31 33 40 39 48 42 46 53 54
WEATHER COV..... SCH SCH CHC CHC
WEATHER TYPE.... RW RW RW RW
TSTM COV........ SCH SCH CHC CHC
CWR.............0 0 0 0 0 0 0 10 10 10 10
CHC OF PCPN (%).0 0 0 0 0 10 10 20 20 30 30
CHC OF THDR (%).0 0 0 0 0 10 10 20 20 30 30
TEMP............51 52 55 59 62 63 65 66 66 66 66
RH..............79 75 68 61 56 52 49 47 47 47 48
20 FT WIND DIR..W W W W W W W W W W W
20 FT WIND SPD..3 3 3 5 6 7 7 7 7 7 6
20 FT WIND GUST.10 11 12 13 14 16 16 16 14 14 14
MIX HGT (KFT)...0.6 0.8 1.7 3.1 4.2 4.6 5.1 5.6 5.6 5.5 5.3
TRANSP WIND DIR.W W W W W W NW NW NW NW NW
TRANSP WIND SPD.5 5 5 6 7 9 12 13 13 12 10
LVORI...........4 4 3 3 1 1 1 1 1 1 1
ADI.............4 4 10 23 34 49 67 81 81 71 63
VRATE KT-FT/1K..1 3 8 15 25 39 53 62 63 58 48
VENTRATE CAT....PR PR PR PR PR PR FR GD GD FR FR
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
CWR.................8 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...23 PERCENT.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........89 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
EVENING.
MIXING HEIGHT.......500 FT AGL.
TRANSPORT WINDS.....WEST 2 TO 8 MPH.
SMOKE DISPERSAL.....GOOD (33000 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (0 KNOT-FT) LATE IN THE
NIGHT.
LVORI...............5.
ADI.................1 TO 5.
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........45 47 40 26 22 20 23 14 13 21 18 22
WEATHER COV.....SCH SCH
WEATHER TYPE....RW RW
TSTM COV........SCH SCH
CWR.............10 10 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).20 20 10 10 0 0 0 0 0 0 0 10
CHC OF THDR (%).20 20 10 10 0 0 0 0 0 0 0 0
TEMP............64 61 59 56 55 53 52 51 50 49 49 48
RH..............53 58 65 71 74 77 80 83 86 89 88 89
20 FT WIND DIR..W W W W NW NW W W W W W W
20 FT WIND SPD..5 3 2 2 2 1 1 1 1 1 1 1
20 FT WIND GUST.13 10 8 7 6 6 6 6 5 5 5 5
MIX HGT (KFT)...4.2 2.9 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
TRANSP WIND DIR.NW W W W NW NW NW W W W W W
TRANSP WIND SPD.8 6 3 2 2 2 2 2 2 2 2 2
LVORI...........3 3 3 4 4 4 6 6 6 7 6 7
ADI.............5 4 2 1 1 1 1 1 1 1 1 1
VRATE KT-FT/1K..33 16 3 0 0 1 1 1 1 1 1 1
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR PR PR
FRIDAY
SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). SLIGHT CHANCE OF
RAIN SHOWERS LATE IN THE AFTERNOON.
CWR.................8 PERCENT.
CHANCE OF PCPN......20 PERCENT.
CHANCE OF THUNDER...12 PERCENT.
MAX TEMPERATURE.....AROUND 70.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH LATE IN
THE MORNING.
MIXING HEIGHT.......6400 FT AGL.
TRANSPORT WINDS.....WEST 1 TO 7 MPH INCREASING TO 10 TO 16 MPH IN
THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR (0 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (86000 KNOT-FT) IN THE
AFTERNOON.
LVORI...............4.
ADI.................1 EARLY IN THE MORNING INCREASING TO 118 IN THE
AFTERNOON.
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........39 29 19 32 34 35 37 40 48 48 48 48
WEATHER COV..... SCH SCH SCH SCH
WEATHER TYPE.... RW RW RW RW
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 10 10 10 10
CHC OF PCPN (%).10 10 10 10 10 10 10 10 20 20 20 20
CHC OF THDR (%).0 0 0 0 0 0 0 0 10 10 10 10
TEMP............49 49 52 57 61 64 67 68 69 70 69 68
RH..............86 85 79 66 58 53 48 44 42 41 42 43
20 FT WIND DIR..W W W W W W W W W W W W
20 FT WIND SPD..1 1 1 2 3 5 5 6 6 6 6 5
20 FT WIND GUST.6 6 6 8 10 13 14 14 13 13 13 12
MIX HGT (KFT)...0.5 0.5 0.6 2.6 4.8 6.0 6.4 6.3 6.0 5.9 5.6 5.0
TRANSP WIND DIR.W W W W W NW W W W W W W
TRANSP WIND SPD.1 1 2 7 13 16 16 15 13 13 12 10
LVORI...........6 6 4 3 1 1 1 1 1 1 1 1
ADI.............1 1 2 24 76 118 113 104 85 83 73 65
VRATE KT-FT/1K..0 0 1 28 60 84 86 78 66 61 54 45
VENTRATE CAT....PR PR PR PR FR GD GD GD GD GD FR FR
FORECASTER...5
REQUESTED BY...SALVADOR BENABE
TYPE OF REQUEST...PRESCRIBED
.TAG 2610849.3/RLX
.DELDT 04/23/26
.FORMATTERVERSION 2.0.0
.EMAIL SALVADOR.BENABE@USDA.GOV
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