794
FNUS75 KREV 151057
FWSREV
SPOT FORECAST FOR ASH HAND PILES...USFS
NATIONAL WEATHER SERVICE RENO NV
257 AM PST MON DEC 15 2025
FORECAST IS BASED ON IGNITION TIME OF 1000 PST ON DECEMBER 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE IN RENO.
DISCUSSION
* GUSTY SOUTHWEST WINDS WEDNESDAY-THURSDAY WITH A 20% CHANCE FOR
GUSTS OVER 45 MPH.
* RAIN POSSIBLE TUESDAY NIGHT INTO WEDNESDAY MORNING WITH WETTING
RAINS POSSIBLE.
* THE PATTERN REMAINS ACTIVE NEXT WEEKEND INTO CHRISTMAS WITH
ADDITIONAL ROUNDS OF WETTING RAINS AND GUSTY WIND EXPECTED.
WEDNESDAY
SKY/WEATHER.........CLOUDY. 85% CHANCE OF LIGHT RAIN (0.05-0.15").
TEMPERATURE.........42-45 AT IGNITION...MAX 45-50.
RH..................93-97% AT IGNITION...MIN 70-75%.
20-FOOT WINDS.......WINDS WEST 10-15 MPH WITH GUSTS UP TO 30 MPH.
CHC WETTING RAIN....10%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......2800-3300 FT AGL.
TRANSPORT WINDS.....WEST 25-30 MPH.
VENTILATION.........GOOD TO VERY GOOD.
TIME (PST) 10 AM 1 PM
SKY (%).........85 85
WEATHER COV.....DEFNTE DEFNTE
WEATHER TYPE....RAIN RAIN
TSTM COV........
CWR.............10 10
CHC OF THDR (%).0 0
TEMP............43 45
RH..............96 74
20 FT WIND......W 14G20 W 13G20
MX HT MSL (KFT).2.9 3.3
TRANSPORT WIND..W 30 W 25
VRATE KT-FT/1K..75 70
VENTRATE CAT....VYGD GOOD
WEDNESDAY NIGHT
SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF RAIN.
TEMPERATURE.........MIN 32-35.
RH..................MAX 88-91%.
20-FOOT WINDS.......SSOUTHWEST 5-10 MPH.
CHC WETTING RAIN....10%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......700-900 FT AGL.
TRANSPORT WINDS.....WEST AROUND 20 MPH SHIFTING TO THE SOUTHWEST
10-15 MPH IN THE LATE EVENING AND OVERNIGHT.
VENTILATION.........FAIR TO POOR.
TIME (PST) 4 PM 7 PM 10 PM 1 AM
SKY (%).........58 63 78 78
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RAIN RAIN RAIN RNSN
TSTM COV........
CWR.............10 10 10 10
CHC OF THDR (%).0 0 0 0
TEMP............44 40 38 38
RH..............74 84 88 81
20 FT WIND......W 9G15 SW 7G10 SW 7G15 S 7G15
MX HT MSL (KFT).1.8 0.6 0.9 0.6
TRANSPORT WIND..W 20 SW 10 SW 15 S 10
VRATE KT-FT/1K..29 6 11 6
VENTRATE CAT....FAIR POOR MRGL POOR
THURSDAY
SKY/WEATHER.........MOSTLY CLOUDY. RAIN LIKELY.
TEMPERATURE.........MAX 48-51.
RH..................MIN 65-69%.
20-FOOT WINDS.......SOUTHWEST WINDS 9-14 MPH WITH GUSTS UP
TO 25 MPH.
CHC WETTING RAIN....20%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......1900-2900 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 15-20 MPH.
VENTILATION.........POOR TO GOOD.
TIME (PST) 4 AM 7 AM 10 AM 1 PM
SKY (%).........77 76 76 76
WEATHER COV.....LIKELY LIKELY LIKELY LIKELY
WEATHER TYPE....RAIN RAIN RAIN RAIN
TSTM COV........
CWR.............20 20 20 20
CHC OF THDR (%).0 0 0 0
TEMP............36 33 45 49
RH..............86 90 88 71
20 FT WIND......SW 8G15 SW 10G15 SW 13G20 SW 14G20
MX HT MSL (KFT).0.6 0.8 2.5 2.9
TRANSPORT WIND..SW 15 SW 15 SW 20 SW 20
VRATE KT-FT/1K..6 12 47 55
VENTRATE CAT....POOR MRGL GOOD GOOD
FORECASTER...FUENTES/CRESPO
REQUESTED BY...CHRIS CROWL
TYPE OF REQUEST...PRESCRIBED
.TAG 2527563.0/REV
.DELDT 12/15/25
.FORMATTERVERSION 2.0.0
.EMAIL CHRISTOPHER.CROWL@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page