793
FNUS75 KREV 151028
FWSREV
SPOT FORECAST FOR PENMAN IRTC...USFS
NATIONAL WEATHER SERVICE RENO NV
228 AM PST MON DEC 15 2025
FORECAST IS BASED ON IGNITION TIME OF 0600 PST ON DECEMBER 15.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE IN RENO.
DISCUSSION
* DRY CONDITIONS, MILD WEATHER, AND LIGHT WINDS CONTINUE TODAY.
* POOR TO MARGINAL VENTILATION TODAY, INCREASING TO FAIR BY TUESDAY.
* INCREASING WEST WINDS AND A 70% CHANCE OF OF WETTING RAINS
TUESDAY NIGHT INTO WEDNESDAY.
TODAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
TEMPERATURE.........33-35 AT IGNITION...MAX 50-55.
RH..................49-52% AT IGNITION...MIN 36-38%.
20-FOOT WINDS.......WINDS SOUTHWEST 3-7 MPH SHIFTING TO THE WEST
IN THE AFTERNOON.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......900-1400 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 5-10 MPH.
VENTILATION.........POOR TO MARGINAL.
TIME (PST) 6 AM 9 AM NOON 3 PM
SKY (%).........32 62 60 56
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............35 42 53 54
RH..............52 48 39 36
20 FT WIND......SW 5G10 SW 5G10 W 5 W 5G10
MX HT MSL (KFT).0.7 0.6 1.1 1.4
TRANSPORT WIND..SW 5 SW 10 SW 5 W 10
VRATE KT-FT/1K..4 4 7 11
VENTRATE CAT....POOR POOR POOR MRGL
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
TEMPERATURE.........MIN 35-38.
RH..................MAX 83-88%.
20-FOOT WINDS.......DOWNSLOPE 2-6 MPH.
CHC WETTING RAIN....10%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......600-800 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING WEST AROUND 10 MPH AFTER 3
AM.
VENTILATION.........POOR.
TIME (PST) 4 PM 7 PM 10 PM 1 AM
SKY (%).........42 32 40 57
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 10 10
CHC OF THDR (%).0 0 0 0
TEMP............49 41 39 40
RH..............45 64 72 75
20 FT WIND......W 2G5 W 3G10 SW 5G10 SW 6G10
MX HT MSL (KFT).0.7 0.6 0.6 0.6
TRANSPORT WIND..W 5 SW 5 SW 5 W 10
VRATE KT-FT/1K..3 3 4 4
VENTRATE CAT....POOR POOR POOR POOR
TUESDAY
SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
SLIGHT CHANCE OF RAIN IN THE MORNING, THEN
CHANCE OF RAIN IN THE AFTERNOON.
TEMPERATURE.........MAX 50-55.
RH..................MIN 75-77%.
20-FOOT WINDS.......SOUTHWEST WINDS 3-7 MPH WITH GUSTS UP TO 15 MPH.
CHC WETTING RAIN....10%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......1700-2700 FT AGL.
TRANSPORT WINDS.....WEST 5-15 MPH.
VENTILATION.........POOR TO FAIR.
TIME (PST) 4 AM 7 AM 10 AM 1 PM
SKY (%).........49 76 66 66
WEATHER COV.....S CHC S CHC CHANCE CHANCE
WEATHER TYPE....RAIN RAIN RAIN RAIN
TSTM COV........
CWR.............10 10 10 10
CHC OF THDR (%).0 0 0 0
TEMP............39 35 48 52
RH..............82 86 83 77
20 FT WIND......W 6G10 SW 6G10 SW 6G10 SW 7G15
MX HT MSL (KFT).0.6 0.6 1.2 2.7
TRANSPORT WIND..W 10 SW 5 W 10 W 15
VRATE KT-FT/1K..5 4 11 37
VENTRATE CAT....POOR POOR MRGL FAIR
FORECASTER...FUENTES/CRESPO
REQUESTED BY...CHRIS ENRIQUEZ
TYPE OF REQUEST...PRESCRIBED
.TAG 2527429.0/REV
.DELDT 12/15/25
.FORMATTERVERSION 2.0.0
.EMAIL CHRISTIAN.ENRIQUEZ@USDA.GOV
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page