619  
FWUS45 KREV 272133  
AVGREV  
 
AVALANCHE WEATHER GUIDANCE  
NATIONAL WEATHER SERVICE RENO NV  
233 PM PDT SAT MAY 27 2023  
 
   
..NEAR DONNER PASS - ELEV 7200 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER FW SC BK OV OV OV OV OV OV BK BK SC SC SC OV OV OV  
CLOUD COVER (%) 20 45 55 80 85 80 80 80 80 65 65 40 35 30 70 70 80  
TEMPERATURE 56 49 42 42 40 44 53 53 53 49 44 42 40 45 53 54 52  
MIN/MAX TEMP 40 56 40 57  
WIND DIR W SW SW SW S S SW SW W W NE NE E NE E W W  
WIND (MPH) 11 8 1 2 4 6 6 6 8 5 3 4 3 4 5 8 10  
WIND GUST (MPH) 18 12 2 2 6 11 11 11 12 9 5 6 5 6 9 12 16  
PRECIP PROB (%) 10 5 0 0 5 10 50 50 20 20 10 10 10 10 60 60 50  
PRECIP TYPE R R T R R R T  
12 HOUR QPF 0.00 0.18 0.01 0.17  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 9.9 9.4 9.1 9.1 9.1 9.4 9.8 10.0 9.9 9.7 9.7 9.8 10.1 10.3 10.8 11.0 11.0  
 
   
..NEAR MT ROSE SUMMIT - ELEV 8900 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER FW SC SC OV OV OV OV OV OV BK BK SC SC SC OV OV OV  
CLOUD COVER (%) 25 35 40 75 90 85 80 80 70 65 70 50 40 35 80 80 85  
TEMPERATURE 50 42 39 39 38 44 49 50 46 42 39 39 38 43 49 51 48  
MIN/MAX TEMP 37 52 37 53  
WIND DIR W W SW S S S SE SW W NW N E SE NE E SW W  
WIND (MPH) 12 11 6 5 5 8 9 9 10 6 6 5 5 6 9 9 10  
WIND GUST (MPH) 19 17 10 9 9 12 13 13 16 10 10 9 9 10 13 13 16  
PRECIP PROB (%) 20 5 0 0 5 10 50 60 20 20 10 10 10 10 70 70 40  
PRECIP TYPE T R R T R R R T  
12 HOUR QPF 0.01 0.12 0.03 0.31  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 10.3 9.8 9.5 9.4 9.4 9.6 10.0 10.3 10.4 10.2 10.2 10.2 10.4 10.5 10.8 11.2 11.3  
 
   
..NEAR HOMEWOOD - ELEV 8000 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER FW SC BK OV OV OV OV OV OV BK BK SC SC SC OV OV OV  
CLOUD COVER (%) 20 40 60 80 80 80 75 80 75 65 65 40 35 30 75 75 80  
TEMPERATURE 54 47 45 43 41 47 50 51 51 47 45 42 41 47 52 52 50  
MIN/MAX TEMP 41 53 41 55  
WIND DIR W SW S S S S S W W W NE E E NE E W W  
WIND (MPH) 18 13 5 5 5 10 10 11 11 6 8 8 6 6 10 10 12  
WIND GUST (MPH) 27 20 9 9 9 16 16 17 17 10 12 12 10 10 16 16 19  
PRECIP PROB (%) 10 5 0 0 5 10 40 50 20 20 10 10 10 10 60 60 50  
PRECIP TYPE R R T R R R T  
12 HOUR QPF 0.01 0.15 0.00 0.24  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 9.9 9.4 9.2 9.1 9.2 9.4 10.0 10.1 10.1 9.9 9.8 9.9 10.1 10.3 10.6 11.0 11.0  
 
   
..NEAR ECHO PASS - ELEV 7500 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER FW SC SC OV OV OV OV OV OV BK BK BK SC SC OV OV OV  
CLOUD COVER (%) 20 35 45 75 85 85 80 75 75 60 70 55 45 35 75 75 85  
TEMPERATURE 56 48 43 43 40 48 55 55 53 48 44 44 40 48 56 56 53  
MIN/MAX TEMP 39 57 39 58  
WIND DIR SW SW S S S S SW SW W W E SE S NE NE W W  
WIND (MPH) 10 6 3 3 4 5 8 8 9 3 2 4 4 4 6 6 8  
WIND GUST (MPH) 16 11 5 5 6 9 12 13 14 5 4 6 6 6 11 11 12  
PRECIP PROB (%) 10 5 0 0 5 10 40 40 20 20 10 10 10 10 60 60 50  
PRECIP TYPE R R T R R R T  
12 HOUR QPF 0.00 0.06 0.00 0.19  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 10.3 9.6 9.4 9.3 9.3 9.5 10.1 10.4 10.0 9.9 9.8 9.9 10.2 10.4 10.9 11.1 11.0  
 
   
..NEAR CARSON PASS - ELEV 8800 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER FW SC SC OV OV OV OV OV OV BK OV BK SC SC OV OV OV  
CLOUD COVER (%) 20 30 45 70 85 75 80 80 80 65 70 60 45 35 75 75 85  
TEMPERATURE 52 43 39 39 37 43 53 53 49 42 40 40 37 44 54 53 49  
MIN/MAX TEMP 36 55 36 55  
WIND DIR W W SW SW S S S SW W W E E SE E E W W  
WIND (MPH) 16 12 6 6 6 9 10 12 12 6 5 5 4 4 6 9 10  
WIND GUST (MPH) 24 19 10 10 10 13 16 19 19 10 9 9 6 6 10 13 16  
PRECIP PROB (%) 10 5 0 0 5 10 40 40 20 20 10 10 10 10 60 60 50  
PRECIP TYPE R R T R R R T  
12 HOUR QPF 0.00 0.03 0.00 0.20  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 10.6 9.9 9.5 9.4 9.3 9.5 10.1 10.4 10.1 9.9 9.9 9.9 10.2 10.4 10.9 11.1 11.0  
 
   
..NEAR SONORA PASS - ELEV 9800 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER SC SC SC BK OV OV OV OV OV OV OV OV BK SC OV OV OV  
CLOUD COVER (%) 40 50 45 65 85 90 80 80 85 85 75 75 60 45 70 70 80  
TEMPERATURE 51 44 39 37 34 43 51 52 49 43 40 39 35 44 51 52 49  
MIN/MAX TEMP 33 54 33 55  
WIND DIR SW SW SW S S S S SW SW SW E E E E SE W W  
WIND (MPH) 11 10 9 6 6 8 10 11 11 9 8 6 5 5 9 10 10  
WIND GUST (MPH) 18 16 14 11 11 12 16 18 18 14 12 11 9 9 14 16 16  
PRECIP PROB (%) 20 10 0 0 0 5 30 40 20 20 10 10 10 10 60 60 50  
PRECIP TYPE T R R T R R R T  
12 HOUR QPF 0.01 0.06 0.00 0.27  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 10.9 10.5 10.1 9.9 9.7 9.8 10.4 10.8 10.5 10.3 10.2 10.1 10.3 10.5 11.1 11.3 11.1  
 
   
..NEAR TIOGA PASS - ELEV 10000 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER SC SC FW SC OV OV OV OV OV OV OV OV BK SC BK BK OV  
CLOUD COVER (%) 50 50 20 40 70 80 80 80 90 90 75 75 60 45 60 65 80  
TEMPERATURE 47 39 34 31 27 36 47 49 46 39 36 33 29 37 48 50 46  
MIN/MAX TEMP 26 50 28 50  
WIND DIR W SW SW SW SW SW SW SW SW SW SE E E E SE S SW  
WIND (MPH) 13 11 6 5 5 8 13 16 16 10 6 5 6 6 10 10 11  
WIND GUST (MPH) 20 17 10 9 9 12 20 24 24 16 10 9 10 10 16 16 17  
PRECIP PROB (%) 10 5 0 0 0 5 20 30 10 10 5 5 5 5 40 40 30  
PRECIP TYPE T R T T T  
12 HOUR QPF 0.00 0.00 0.00 0.13  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 11.2 10.7 10.1 9.8 9.4 9.8 10.5 10.9 10.7 10.1 10.1 10.1 10.3 10.6 11.0 11.3 11.2  
 
   
..MAMMOTH MOUNTAIN - ELEV 10000 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER SC SC FW FW SC BK OV OV OV OV OV BK BK SC BK BK OV  
CLOUD COVER (%) 30 25 15 20 45 55 75 80 85 90 75 65 50 35 50 55 75  
TEMPERATURE 47 42 39 36 35 40 45 46 45 42 40 36 35 39 45 46 43  
MIN/MAX TEMP 34 47 34 47  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW N NE NE SE S SW  
WIND (MPH) 20 19 12 8 8 10 14 20 21 19 10 6 5 5 10 11 14  
WIND GUST (MPH) 31 29 19 12 12 16 23 31 33 29 16 10 9 9 16 17 23  
PRECIP PROB (%) 10 5 0 0 5 5 20 30 10 10 0 0 5 5 30 30 10  
PRECIP TYPE S R T T  
12 HOUR QPF 0.00 0.00 0.00 0.05  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 11.0 10.6 10.1 9.9 9.6 9.8 10.5 10.9 10.7 10.3 10.3 10.3 10.4 10.4 10.9 11.1 11.1  
 
   
..NEAR MAMMOTH - ELEV 9000 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER FW FW FW FW SC BK OV OV OV OV OV BK SC SC BK BK OV  
CLOUD COVER (%) 20 20 15 20 45 55 75 80 85 85 75 65 50 35 50 55 75  
TEMPERATURE 50 44 41 38 36 43 50 51 49 44 42 39 38 43 50 51 48  
MIN/MAX TEMP 36 53 37 53  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW NW N NE SE S SW  
WIND (MPH) 14 14 8 5 5 6 12 16 18 18 8 6 5 5 10 12 14  
WIND GUST (MPH) 23 24 12 8 9 11 20 26 29 29 13 11 9 9 16 20 24  
PRECIP PROB (%) 10 5 0 0 5 5 20 30 10 10 0 0 5 5 30 30 10  
PRECIP TYPE R R T T  
12 HOUR QPF 0.00 0.00 0.00 0.06  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 11.0 10.5 10.1 9.9 9.6 9.8 10.4 10.8 10.6 10.2 10.3 10.3 10.4 10.4 10.9 11.2 11.2  
 
   
..NEAR MAMMOTH - ELEV 8000 FT
 
 
DATE SUNDAY 05/28/23 MONDAY 05/29/23  
TIME (LT) 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
5P 8P 11P 2A 5A 8A 11A 2P 5P 8P 11P 2A 5A 8A 11A 2P 5P  
 
CLOUD COVER FW FW FW FW SC SC BK OV OV OV BK BK SC SC BK BK OV  
CLOUD COVER (%) 20 15 15 20 35 45 60 75 85 85 70 55 45 35 50 55 75  
TEMPERATURE 60 51 45 40 38 47 58 59 57 51 47 41 39 47 56 59 56  
MIN/MAX TEMP 37 62 38 61  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW W SW NE SE S SW  
WIND (MPH) 14 13 6 5 5 5 11 14 18 18 8 5 4 3 8 10 12  
WIND GUST (MPH) 23 23 11 10 9 9 18 24 29 29 12 9 6 5 12 16 20  
PRECIP PROB (%) 10 10 0 0 5 5 20 30 10 10 0 0 5 5 30 30 10  
PRECIP TYPE R R T T  
12 HOUR QPF 0.00 0.00 0.00 0.05  
12 HOUR SNOW 0.0 0.0 0.0 0.0  
12 HOUR ICE 0.00 0.00 0.00 0.00  
SNOW LEVEL (KFT) 11.0 10.5 10.1 9.9 9.6 9.8 10.6 10.9 10.6 10.2 10.3 10.3 10.4 10.4 11.0 11.2 11.2  
 

 
 
--- PRECIP TYPE CODES ---  
 
CODE TYPE  
T THUNDERSTORMS  
R RAIN  
S SNOW  
I SLEET  
Z FREEZING RAIN  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab NV Page
The Nexlab CA Page Main Text Page