791
FNUS75 KREV 040524
FWSREV
SPOT FORECAST FOR LADYBUG MACHINE PILES...USFS TAHOE
NATIONAL WEATHER SERVICE RENO NV
924 PM PST TUE FEB 3 2026
FORECAST IS BASED ON IGNITION TIME OF 0700 PST ON FEBRUARY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE IN RENO.
DISCUSSION
* MIXING AND VENTILATION REMAIN LIMITED THROUGH THE FORECAST
PERIOD.
* DRY CONDITIONS WITH ABOVE AVERAGE TEMPERATURES AND LIGHT MAINLY
TERRAIN-DRIVEN WINDS PREVAIL THIS WEEK.
* THE WEATHER PATTERN IS PROJECTED TO CHANGE LATE THIS WEEKEND
AND EARLY NEXT WEEK, WITH INCREASING BREEZES AND SNOW SHOWER
CHANCES.
WEDNESDAY
SKY/WEATHER.........SUNNY.
TEMPERATURE.........26 AT IGNITION...MAX 54.
RH..................64% AT IGNITION...MIN 26%.
20-FOOT WINDS.......WINDS EAST AT 2 MPH AT IGNITION...OTHERWISE
UPSLOPE OR EAST 3-7 MPH.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......800-1300 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS BECOMING EAST AROUND 10 MPH IN THE LATE
MORNING AND AFTERNOON.
VENTILATION.........POOR TO MARGINAL.
TIME (PST) 7 AM 10 AM 1 PM 4 PM
SKY (%).........5 3 4 6
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............26 39 51 52
RH..............64 51 31 27
20 FT WIND......E 2G5 E 3G10 E 6G10 NE 6G10
MX HT MSL (KFT).0.8 1.1 1.3 0.8
TRANSPORT WIND..E 5 E 10 E 10 E 10
VRATE KT-FT/1K..5 11 13 8
VENTRATE CAT....POOR MRGL MRGL POOR
WEDNESDAY NIGHT
SKY/WEATHER.........CLEAR.
TEMPERATURE.........MIN 27.
RH..................MAX 63%.
20-FOOT WINDS.......NORTHEAST 3-7 MPH BECOMING DOWNSLOPE 2-6 MPH IN
THE EVENING.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......700-900 FT AGL.
TRANSPORT WINDS.....EAST AROUND 10 MPH BECOMING SOUTHEAST OVERNIGHT.
VENTILATION.........POOR.
TIME (PST) 6 PM 9 PM MIDNGT 3 AM
SKY (%).........6 22 20 11
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............43 34 33 29
RH..............45 57 57 63
20 FT WIND......NE 6G10 E 3G5 E 2G5 E 2G5
MX HT MSL (KFT).0.8 0.8 0.8 0.8
TRANSPORT WIND..E 10 E 10 E 10 SE 10
VRATE KT-FT/1K..8 8 8 6
VENTRATE CAT....POOR POOR POOR POOR
THURSDAY
SKY/WEATHER.........SUNNY.
TEMPERATURE.........MAX 57.
RH..................MIN 32%.
20-FOOT WINDS.......UPSLOPE 3-7 MPH.
CHC WETTING RAIN....0%.
CHANCE OF THUNDER...0%.
MIXING HEIGHT.......1000-1500 FT AGL.
TRANSPORT WINDS.....LIGHT WINDS.
VENTILATION.........POOR.
TIME (PST) 6 AM 9 AM NOON 3 PM
SKY (%).........15 13 5 7
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE
TSTM COV........
CWR.............0 0 0 0
CHC OF THDR (%).0 0 0 0
TEMP............27 36 51 57
RH..............63 57 38 30
20 FT WIND......SE 1G5 S 1G5 SE 1G5 E 2G5
MX HT MSL (KFT).0.8 0.8 0.9 2.1
TRANSPORT WIND..S 5 S 5 S 5 SW 5
VRATE KT-FT/1K..5 4 4 6
VENTRATE CAT....POOR POOR POOR POOR
FORECASTER...DEUTSCHENDORF
REQUESTED BY...KAMERON CONLON
TYPE OF REQUEST...PRESCRIBED
.TAG 2601610.0/REV
.DELDT 02/04/26
.FORMATTERVERSION 2.0.0
.EMAIL KAMERON.CONLON@USDA.GOV
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