336
FNUS71 KRNK 271907
FWSRNK
SPOT FORECAST FOR WALLACE TRACT FIELDS RX...USFS
NATIONAL WEATHER SERVICE BLACKSBURG VA
207 PM EST FRI FEB 27 2026
FORECAST IS BASED ON IGNITION TIME OF 1500 EST ON FEBRUARY 27.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SURFACE INVERSION SETS UP BY 7-8PM. SHOULD HAVE SOME FOG
AND LOW CLOUDS POTENTIALLY FORMING AGAIN AFTER MIDNIGHT AND
LASTING THROUGH 9AM SATURDAY. ONCE INVERSION BREAKS BY
10-11AM, ANTICIPATE SUNNY SKIES AND MIXING UP TO 3000
FEET AGL. TRANSPORT AND 20 FOOT WINDS WILL BE FROM THE
WEST. MIN RH AROUND 40 PERCENT SATURDAY AFTERNOON.
SUNDAY HAS CLOUDS INCREASING IN THE AFTERNOON, BUT STILL
EXPECT SOME GOOD MIXING WITH INCREASING TRANSPORT WIND
SPEEDS OUT OF THE WEST 20-30 MPH. 20 FOOT WINDS SUNDAY
WILL BE HIGHER THAN SATURDAY WITH A FEW GUSTS TO 15-20 MPH.
RH DROPS TO 40-45 PERCENT SUNDAY AROUND 1PM.
REST OF TODAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 54.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH.
MIXING HEIGHT.......5200 FT AGL.
MIXING WINDS........SOUTH 5 TO 7 MPH.
SMOKE DISPERSAL.....FAIR (20500 KNOT-FT).
TIME (EST) 3 PM 5 PM
SKY (%).........12 19
WEATHER COV.....
WEATHER TYPE....NONE NONE
TSTM COV........
CWR.............0 0
TEMP............56 53
RH..............43 46
20 FT WIND......S 5 S 5
20 FT WIND GUST.8 7
MIX HGT (FT)....4900 3700
MIXING WIND......S 5 S 7
VRATE MPH-FT/1K.24 27
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT) THEN BECOMING
MOSTLY CLOUDY (70-80 PERCENT). PATCHY FOG LATE.
CWR (0.01 IN).......0 PERCENT.
MIN TEMPERATURE.....AROUND 35.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........SOUTH WINDS AROUND 5 MPH EARLY IN THE EVENING
BECOMING LIGHT.
MIXING HEIGHT.......600 FT AGL.
MIXING WINDS........SOUTHWEST 7 TO 9 MPH SHIFTING TO THE WEST
AROUND 8 MPH EARLY IN THE MORNING.
SMOKE DISPERSAL.....FAIR (13900 KNOT-FT) EARLY IN THE EVENING
DECREASING TO POOR (3700 KNOT-FT) LATE IN THE
NIGHT.
TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........23 27 29 65 82 79
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............49 46 44 42 41 40
RH..............59 66 72 78 82 85
20 FT WIND......S 5 S 2 S 2 S 2 SW 2 SW 3
20 FT WIND GUST.7 4 4 4 4 5
MIX HGT (FT)....1900 700 600 700 700 700
MIXING WIND......S 8 S 9 S 7 SW 8 SW 8 SW 8
VRATE MPH-FT/1K.16 7 4 5 6 6
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). PATCHY FOG EARLY
IN THE MORNING.
CWR (0.01 IN).......0 PERCENT.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH EARLY IN
THE AFTERNOON.
MIXING HEIGHT.......6100 FT AGL.
MIXING WINDS........WEST 7 TO 13 MPH INCREASING TO 13 TO 22 MPH IN
THE AFTERNOON.
SMOKE DISPERSAL.....POOR (4000 KNOT-FT) EARLY IN THE MORNING
INCREASING TO EXCELLENT (100500 KNOT-FT) IN THE
AFTERNOON.
TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........54 31 8 4 2 3
WEATHER COV.....PATCHY PATCHY
WEATHER TYPE....FOG FOG NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0 0 0
TEMP............38 40 50 56 60 64
RH..............92 87 66 52 43 40
20 FT WIND......SW 3 SW 3 SW 3 W 4 W 5 W 4
20 FT WIND GUST.5 6 6 8 8 8
MIX HGT (FT)....600 700 1300 3500 5100 6100
MIXING WIND......W 9 W 8 W 8 W 18 W 22 W 17
VRATE MPH-FT/1K.5 6 10 62 114 106
FORECASTER...PERRY
REQUESTED BY...AARON STROBEL
TYPE OF REQUEST...PRESCRIBED
.TAG 2604245.0/RNK
.DELDT 02/27/26
.FORMATTERVERSION 2.0.0
.EMAIL RAYMOND.FLANAGAN@USDA.GOV,AARON.P.STROBEL@USDA.GOV,JAMES.COLLETT@USDA.GOV
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