737
FNUS75 KREV 201402
FWSREV
SPOT FORECAST FOR ASH LANDING PILES...USFS
NATIONAL WEATHER SERVICE RENO NV
602 AM PST WED NOV 20 2024
FORECAST IS BASED ON IGNITION TIME OF 0800 PST ON NOVEMBER 20.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL
WEATHER SERVICE IN RENO.
...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM PST WEDNESDAY
ABOVE 5000 FEET...
DISCUSSION
* STRONG AND GUSTY SOUTHWEST WINDS ON WEDNESDAY.
* SNOW EXPECTED ON WEDNESDAY WITH SNOW CHANGING TO RAIN AS SNOW LEVELS
RISE OVER 7000 FEET BY WEDNESDAY EVENING.
* A VERY ACTIVE WEATHER PATTERN WILL CONTINUE INTO EARLY NEXT WEEK
WITH MULTIPLE WAVES OF GUSTY WINDS AND PERIODS OF HEAVY
RAIN/SNOW.
WEDNESDAY
SKY/WEATHER.........CLOUDY. SNOW LATE IN THE MORNING. RAIN .
TEMPERATURE.........35 AT IGNITION...MAX 47.
RH..................82% AT IGNITION...MIN 82%.
20-FOOT WINDS.......SOUTH 20-25 MPH WITH GUSTS TO 45 MPH BECOMING
SOUTHWEST IN THE AFTERNOON.
LAL.................1.
CHC WETTING RAIN....5% INCREASING TO 40% IN THE AFTERNOON.
MIXING HEIGHT.......2700-3200 FT AGL.
TRANSPORT WINDS.....SOUTH 30-35 MPH.
VENTILATION.........VERY GOOD.
HAINES INDEX........2.
TIME (PST) 8 AM 10 AM NOON 2 PM
SKY (%).........90 87 87 91
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE
WEATHER TYPE....RNSN RAIN RAIN RAIN
TSTM COV........
CWR.............10 40 40 40
LAL.............1 1 1 1
TEMP............35 39 44 46
RH..............82 84 82 82
20 FT WIND......S 18 S 24 S 24 S 20
20 FT WIND GUST.30 45 45 35
MX HT MSL (KFT).2.8 3.2 3.2 3.1
TRANSPORT WIND..S 30 S 35 S 35 S 30
HAINES INDEX....2 2 2 2
VRATE KT-FT/1K..76 97 97 84
VENTRATE CAT....GOOD GOOD GOOD GOOD
WEDNESDAY NIGHT
SKY/WEATHER.........CLOUDY. RAIN.
TEMPERATURE.........MIN 35.
RH..................MAX 100%.
20-FOOT WINDS.......SOUTH WINDS 10-15 MPH DECREASING TO 7-10 MPH IN
THE LATE EVENING AND OVERNIGHT. WIND GUSTS AS
HIGH AS 20 MPH.
LAL.................1.
CHC WETTING RAIN....80% DECREASING TO 70% OVERNIGHT.
MIXING HEIGHT.......1300-1800 FT AGL.
TRANSPORT WINDS.....SOUTH 15-20 MPH.
VENTILATION.........FAIR TO MARGINAL.
HAINES INDEX........2.
TIME (PST) 4 PM 6 PM 8 PM 10 PM MIDNGT 2 AM
SKY (%).........98 98 96 98 98 98
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
WEATHER TYPE....RAIN RAIN RAIN RAIN RAIN RAIN
TSTM COV........
CWR.............80 80 80 70 70 70
LAL.............1 1 1 1 1 1
TEMP............44 42 42 41 41 40
RH..............86 93 95 95 93 91
20 FT WIND......S 15 S 15 S 10 S 9 S 9 S 10
20 FT WIND GUST.25 25 20 20 20 15
MX HT MSL (KFT).2.2 2.2 1.3 1.2 1.2 1.4
TRANSPORT WIND..S 20 S 20 S 20 S 15 S 15 S 20
HAINES INDEX....2 2 2 2 2 2
VRATE KT-FT/1K..40 40 21 18 18 25
VENTRATE CAT....POOR POOR POOR POOR POOR POOR
THURSDAY
SKY/WEATHER.........CLOUDY. RAIN.
TEMPERATURE.........MAX 47.
RH..................MIN 82%.
20-FOOT WINDS.......SOUTH WINDS 10-15 MPH WITH GUSTS TO 25 MPH IN
THE LATE MORNING INCREASING TO 15-20 MPH WITH
GUSTS TO 30 MPH IN THE AFTERNOON.
LAL.................1.
CHC WETTING RAIN....85%.
MIXING HEIGHT.......1800-2600 FT AGL.
TRANSPORT WINDS.....SOUTH 25-30 MPH.
VENTILATION.........FAIR TO GOOD.
HAINES INDEX........2.
TIME (PST) 4 AM 6 AM 8 AM 10 AM NOON 2 PM
SKY (%).........98 98 98 98 98 98
WEATHER COV.....DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE
WEATHER TYPE....RAIN RAIN RAIN RAIN RAIN RAIN
TSTM COV........
CWR.............90 90 90 90 90 90
LAL.............1 1 1 1 1 1
TEMP............39 39 40 43 45 45
RH..............91 96 99 97 92 88
20 FT WIND......S 9 S 9 S 12 S 16 S 17 S 16
20 FT WIND GUST.15 15 20 30 30 30
MX HT MSL (KFT).2.0 2.0 1.8 2.6 2.6 2.6
TRANSPORT WIND..S 25 S 25 S 25 S 30 S 30 S 25
HAINES INDEX....2 2 2 2 2 2
VRATE KT-FT/1K..40 40 38 62 62 59
VENTRATE CAT....POOR POOR POOR GOOD GOOD FAIR
FORECASTER...JOHNSTON
REQUESTED BY...CHRIS CROWL
TYPE OF REQUEST...PRESCRIBED
.TAG 2426773.1/REV
.DELDT 11/20/24
.FORMATTERVERSION 2.0.0
.EMAIL CHRISTOPHER.CROWL@USDA.GOV
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