445  
FWUS45 KREV 090934  
AVGREV  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE RENO NV  
233 AM PDT THU MAY 9 2024  
 
   
..NEAR DONNER PASS - ELEV 7200 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER CL CL CL CL CL CL CL CL CL CL CL CL FW FW CL CL CL  
CLOUD COVER (%) 5 0 0 0 5 5 5 5 5 5 5 5 5 5 5 5 5  
TEMPERATURE 32 36 45 50 52 46 42 39 37 42 51 55 55 49 43 40 39  
MAX/MIN TEMP 52 37 57 38  
WIND DIR E E E E E NE NE NE NE NE E NE NE NE NE NE NE  
WIND (MPH) 26 28 28 23 23 25 27 25 23 23 20 16 12 10 12 11 11  
WIND GUST (MPH) 39 42 43 34 34 37 41 37 35 35 31 25 19 16 19 18 17  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 5 5 0 0 0 0 0  
PRECIP TYPE  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.0 6.8 7.6 8.2 8.7 8.8 8.5 8.0 7.6 7.7 8.2 8.7 9.1 9.0 9.0 8.9 8.8  
 
   
..NEAR MT ROSE SUMMIT - ELEV 8900 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW CL CL CL CL FW FW FW FW FW CL CL FW FW FW FW CL  
CLOUD COVER (%) 15 5 0 0 5 15 20 10 10 5 5 5 10 10 10 5 5  
TEMPERATURE 28 32 42 48 48 35 34 35 31 37 48 53 52 39 36 39 37  
MAX/MIN TEMP 50 30 54 34  
WIND DIR E E E E NE NE NE E NE E E E NE NE N NW NW  
WIND (MPH) 25 28 28 23 20 24 26 24 21 23 20 17 14 13 14 13 12  
WIND GUST (MPH) 37 43 43 33 32 36 40 35 32 34 32 26 23 20 21 20 18  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 5 5 0 0 0 0 0  
PRECIP TYPE  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.1 6.6 7.4 8.3 8.8 8.8 8.5 8.1 7.7 7.8 8.2 8.6 9.0 9.0 8.9 8.8 8.7  
 
   
..NEAR HOMEWOOD - ELEV 8000 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER CL CL CL CL CL CL CL FW CL CL CL CL CL FW CL CL CL  
CLOUD COVER (%) 5 0 0 5 5 5 5 5 5 0 0 5 5 10 5 5 5  
TEMPERATURE 32 36 43 48 48 46 44 40 37 43 49 53 52 48 44 41 40  
MAX/MIN TEMP 49 37 54 39  
WIND DIR E E E E E E E E E E E E E NE NE NE NE  
WIND (MPH) 28 29 31 25 25 26 29 27 24 24 21 19 16 13 14 13 12  
WIND GUST (MPH) 43 44 46 37 36 40 46 41 35 36 33 28 24 20 23 21 18  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 5 5 5 5 0 0 0  
PRECIP TYPE  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.2 6.7 7.5 8.1 8.5 8.7 8.5 8.2 7.8 7.8 8.1 8.5 9.0 9.1 8.9 8.9 8.7  
 
   
..NEAR ECHO PASS - ELEV 7500 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW CL CL CL CL FW FW FW FW CL CL CL CL FW CL CL CL  
CLOUD COVER (%) 5 5 0 0 5 5 10 5 10 5 0 0 5 5 5 5 5  
TEMPERATURE 32 37 46 52 49 45 42 40 37 43 52 56 53 47 43 42 41  
MAX/MIN TEMP 53 36 56 39  
WIND DIR E E E NE NE NE NE NE E NE NE NE NE NE E E E  
WIND (MPH) 11 13 12 16 16 12 11 11 9 11 13 12 11 6 5 4 4  
WIND GUST (MPH) 18 23 20 26 25 20 18 18 13 17 21 20 18 11 8 6 6  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 10 10 5 5 0 0 0  
PRECIP TYPE  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 5.9 6.8 7.7 8.3 8.6 8.6 8.5 8.0 7.6 7.9 8.3 8.8 9.1 9.0 8.9 8.8 8.7  
 
   
..NEAR CARSON PASS - ELEV 8800 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW CL CL CL CL CL FW CL FW CL CL CL CL CL CL CL CL  
CLOUD COVER (%) 5 0 0 0 0 5 10 5 10 5 0 0 5 5 5 5 5  
TEMPERATURE 28 32 44 50 49 41 37 37 33 39 50 54 53 44 39 38 37  
MAX/MIN TEMP 51 32 55 35  
WIND DIR E E E NE NE NE E E E E E E NE NE NE NE NE  
WIND (MPH) 25 31 33 25 23 26 31 26 21 24 21 16 14 13 17 16 11  
WIND GUST (MPH) 37 46 49 37 34 40 46 39 32 36 32 24 21 21 26 24 17  
PRECIP PROB (%) 0 0 0 0 0 0 0 0 0 0 10 10 5 5 0 0 0  
PRECIP TYPE  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 5.9 6.7 7.7 8.4 8.6 8.6 8.4 8.1 7.7 7.9 8.4 8.8 9.1 9.0 8.8 8.8 8.6  
 
   
..NEAR SONORA PASS - ELEV 9800 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW CL CL CL FW FW FW FW FW CL FW FW FW FW CL CL CL  
CLOUD COVER (%) 5 5 0 5 10 10 10 5 5 5 25 25 20 10 5 5 5  
TEMPERATURE 26 30 41 46 48 40 35 34 30 37 46 49 50 41 37 35 34  
MAX/MIN TEMP 49 29 52 31  
WIND DIR E E E NE NE NE NE E NE E E NE NE NE NE E E  
WIND (MPH) 20 26 25 19 20 25 27 23 16 18 16 13 16 16 19 16 12  
WIND GUST (MPH) 32 42 40 31 33 41 44 36 26 29 25 23 25 25 31 26 20  
PRECIP PROB (%) 0 0 0 0 5 5 0 0 0 0 20 20 5 5 0 0 5  
PRECIP TYPE S R  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.0 6.7 7.8 8.5 8.7 8.6 8.5 8.1 7.8 7.9 8.5 9.0 9.2 9.0 8.8 8.8 8.7  
 
   
..NEAR TIOGA PASS - ELEV 10000 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW CL CL CL FW FW FW FW FW FW SC SC SC FW FW CL CL  
CLOUD COVER (%) 10 5 0 5 15 20 25 15 20 15 35 35 35 25 5 5 5  
TEMPERATURE 21 25 38 42 43 35 31 28 25 31 43 45 45 37 33 30 29  
MAX/MIN TEMP 43 24 46 26  
WIND DIR NE E E NE NE NE NE NE NE NE NE NE NE NE N N N  
WIND (MPH) 17 20 19 18 20 25 21 17 13 11 10 11 13 14 16 13 11  
WIND GUST (MPH) 26 31 28 27 29 36 33 25 20 18 16 18 20 23 24 20 17  
PRECIP PROB (%) 0 0 0 0 0 5 5 5 5 5 20 20 5 5 0 0 0  
PRECIP TYPE S S  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.2 6.6 7.5 8.3 8.7 8.6 8.7 8.3 7.8 7.9 8.4 8.9 9.3 9.0 8.8 8.7 8.6  
 
   
..MAMMOTH MOUNTAIN - ELEV 10000 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW CL CL CL FW SC FW FW SC FW SC SC SC SC FW CL CL  
CLOUD COVER (%) 10 5 5 5 15 25 20 15 25 10 50 50 40 30 5 5 5  
TEMPERATURE 22 28 35 40 41 38 34 31 28 34 39 43 42 39 36 33 32  
MAX/MIN TEMP 41 27 43 30  
WIND DIR NE NE NE NE NE NE NE NE NE NE NE N NE N N N N  
WIND (MPH) 18 20 18 17 19 25 23 16 14 13 11 14 16 19 20 17 13  
WIND GUST (MPH) 27 31 27 26 29 37 34 24 21 20 18 23 25 29 32 25 20  
PRECIP PROB (%) 0 0 0 0 5 5 5 5 5 5 30 30 10 10 0 0 0  
PRECIP TYPE S S  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.01 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.2 6.8 7.7 8.4 8.7 8.5 8.5 8.2 7.9 8.1 8.4 8.9 9.1 9.0 8.7 8.7 8.6  
 
   
..NEAR MAMMOTH - ELEV 9000 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW CL CL CL FW FW FW FW FW FW SC SC SC SC FW CL CL  
CLOUD COVER (%) 10 5 0 5 15 25 20 15 20 10 50 50 40 30 5 5 5  
TEMPERATURE 27 33 41 46 46 40 38 35 33 39 46 48 48 43 40 37 36  
MAX/MIN TEMP 48 32 50 34  
WIND DIR NE NE NE NE NE NE N N N NE NE N N N N N NW  
WIND (MPH) 10 12 13 13 13 14 13 9 9 10 10 11 12 12 11 8 6  
WIND GUST (MPH) 16 19 21 23 23 24 21 14 13 16 16 17 19 20 19 12 10  
PRECIP PROB (%) 0 0 0 0 5 5 5 0 5 5 20 20 5 5 0 0 0  
PRECIP TYPE S R  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.01 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.1 6.7 7.7 8.4 8.7 8.5 8.5 8.2 7.9 8.1 8.4 8.8 9.1 9.0 8.7 8.7 8.6  
 
   
..NEAR MAMMOTH - ELEV 8000 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW CL CL CL FW SC FW FW FW FW SC SC SC FW CL CL CL  
CLOUD COVER (%) 5 5 0 0 15 35 25 10 25 5 50 50 35 25 5 5 0  
TEMPERATURE 30 35 48 54 55 48 42 38 35 42 52 56 56 49 44 39 38  
MAX/MIN TEMP 56 34 58 36  
WIND DIR N NE NE NE NE NE NE NE N N NE N N NE N NW NW  
WIND (MPH) 5 8 11 13 13 11 9 6 5 8 9 11 12 12 9 5 4  
WIND GUST (MPH) 8 12 18 21 21 18 14 10 10 12 14 18 19 19 14 8 6  
PRECIP PROB (%) 0 0 0 0 5 5 5 5 5 5 30 30 5 5 0 0 0  
PRECIP TYPE R R  
6 HOUR QPF 0.00 0.00 0.00 0.00 0.00 0.02 0.01 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.1 6.7 7.6 8.3 8.6 8.5 8.5 8.2 7.9 8.1 8.4 8.9 9.0 8.9 8.8 8.6 8.6  
 
   
..BARCROFT RESEARCH STATION - ELEV 12470 FT
 
 
DATE THURSDAY 05/09/24 FRIDAY 05/10/24  
TIME (LT) 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A  
 
CLOUD COVER FW FW CL FW SC BK BK SC SC SC SC SC SC SC FW FW FW  
CLOUD COVER (%) 10 10 5 5 30 55 55 40 35 25 35 30 45 30 20 10 5  
TEMPERATURE 14 19 24 28 30 26 23 21 19 23 27 31 31 28 25 24 22  
MAX/MIN TEMP 31 19 33 22  
WIND DIR N N NE NE NE NE N N N N N N N N N NW NW  
WIND (MPH) 16 19 17 14 16 18 13 10 10 11 10 13 17 18 16 13 13  
WIND GUST (MPH) 25 28 25 21 23 26 20 14 16 17 16 20 25 28 25 20 20  
PRECIP PROB (%) 0 0 0 0 10 10 5 5 5 5 20 20 5 5 0 0 0  
PRECIP TYPE S S  
6 HOUR QPF 0.00 0.00 0.02 0.00 0.00 0.01 0.01 0.00  
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
6 HOUR ICE MM MM MM MM MM MM MM MM  
SNOW LEVEL (KFT) 6.3 6.7 7.4 8.0 8.5 8.8 8.6 8.4 7.9 8.0 8.4 8.6 8.7 8.8 8.8 8.7 8.6  
 

 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
 
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