National Weather Service Text Product
AFOS product FWSREV
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: FWSREV
Product Timestamp: 2025-09-21 10:26 UTC
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852
FNUS75 KREV 211026
FWSREV
Spot Forecast for Ash Creek RX Assist...CAL FIRE/LMU
National Weather Service Reno NV
326 AM PDT Sun Sep 21 2025
Forecast is based on ignition time of 0700 PDT on September 22.
If conditions become unrepresentative...contact the National
Weather Service in Reno.
.DISCUSSION...
* Dry and sunny conditions dominate through the early week,
with little to no cloud cover and no precipitation expected.
* Winds begin light each morning, then shift and increase during
the afternoons. Strongest mixing and dispersion developing by
Tuesday.
* Overnight conditions will be clear and cool, with moderate
humidity recoveries expected.
.MONDAY...
Sky/Weather.........Sunny.
Temperature.........39 at ignition...Max 79-82.
RH..................99% at ignition...Min 17-22%.
20-Foot Winds.......Winds northeast 2-5 mph in the morning
becoming 5-8 mph with gusts to 15 mph.
Chance of thunder...0%.
Mixing Height.......4600-5600 ft agl.
Transport Winds.....Light winds.
Ventilation.........Poor in the morning becoming fair in the
afternoon.
TIME (PDT) 7 AM 10 AM 1 PM 4 PM
Sky (%).........10 2 0 2
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0
Chc of thdr (%).0 0 0 0
Temp............39 59 75 81
RH..............99 56 26 18
20 FT wind......NE 2G5 NE 2G5 NE 5G10 NE 6G15
Mx ht msl (kft).0.8 1.3 3.3 5.9
Transport wind..E 5 E 5 E 5 E 5
Vrate kt-ft/1K..5 7 20 36
Ventrate Cat....POOR POOR FAIR FAIR
.MONDAY NIGHT...
Sky/Weather.........Clear.
Temperature.........Min 39-42.
RH..................Max 56-61%.
20-Foot Winds.......Northeast winds 5-7 mph early in the
evening becoming becoming east 7-10
mph with gusts to 15 mph overnight.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......800-1300 ft agl.
Transport Winds.....East 10-15 mph.
Ventilation.........Good in the evening becoming poor overnight.
TIME (PDT) 5 PM 8 PM 11 PM 2 AM
Sky (%).........4 5 4 1
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0
Chc of thdr (%).0 0 0 0
Temp............80 69 56 47
RH..............19 29 40 49
20 FT wind......NE 7G15 NE 6G10 E 10G15 E 9G15
Mx ht msl (kft).6.0 0.8 0.8 0.7
Transport wind..E 10 E 15 E 10 E 10
Vrate kt-ft/1K..42 8 8 6
Ventrate Cat....GOOD POOR POOR POOR
.TUESDAY...
Sky/Weather.........Sunny.
Temperature.........Max 83-86.
RH..................Min 11-16%.
20-Foot Winds.......East winds 5-8 mph in the morning becoming
southeast 7-12 mph with gusts to 20 mph in
the afternoon.
Chc Wetting Rain....0%.
Chance of thunder...0%.
Mixing Height.......5900-6900 ft agl.
Transport Winds.....Southeast 10-15 mph.
Ventilation.........Poor in morning becoming very good in the
afternoon.
TIME (PDT) 5 AM 8 AM 11 AM 2 PM
Sky (%).........2 6 1 1
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
CWR.............0 0 0 0
Chc of thdr (%).0 0 0 0
Temp............42 44 71 82
RH..............58 58 21 14
20 FT wind......E 7G10 E 6G10 E 7G15 SE 10G20
Mx ht msl (kft).0.8 0.6 3.9 7.3
Transport wind..E 10 E 10 SE 15 SE 15
Vrate kt-ft/1K..6 4 43 88
Ventrate Cat....POOR POOR GOOD VYGD
$$
Forecaster...Johnston
Requested by...Larry Turman
Type of request...PRESCRIBED
.TAG 2522173.0/REV
.DELDT 09/21/25
.FormatterVersion 2.0.0
.EMAIL larry.turman@fire.ca.gov