ALTA/LITTLE COTTONWOOD CANYON HRRR-DERIVED FORECAST GUIDANCE *************************************************************** * THIS IS AN EXPERIMENTAL, AUTOMATED, AND UNOFFICIAL FORECAST * *************************************************************** CREATED/MAINTAINED BY THE STEENBURGH GROUP DEPARTMENT OF ATMOSPHERIC SCIENCES UNIVERSITY OF UTAH Contact: jim.steenburgh@utah.edu WETBULBZERO, 1H QPF, ACCUM QPF DIRECTLY FROM HRRR COLLINS SNOW RATIO/H2O, MT BALDY T/RH, MT BALDY WIND, 1H SNOW, and ACCUM SNOW based on machine learning including UU RF SLR algorithm Based on 18Z 11-Apr-2025 intialized HRRR FORECAST HOURS 0-48 FHR VALID MOUNTAIN TIME COLLINS T MT BALDY T/RH MT BALDY WIND WETBULBZERO SLR/H2O 1H QPF / 1H SNOW / ACCUM QPF / ACCUM SNOW 0 12 PM Fri Apr 11 2025 46F 40F / 31% SSW 14 G 31 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Fri Apr 11 2025 49F 40F / 34% SSW 14 G 31 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Fri Apr 11 2025 51F 40F / 37% SSW 12 G 28 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Fri Apr 11 2025 52F 42F / 33% SSW 14 G 30 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Fri Apr 11 2025 51F 42F / 29% SSW 14 G 30 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Fri Apr 11 2025 49F 42F / 27% SW 15 G 29 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Fri Apr 11 2025 45F 42F / 22% SW 16 G 31 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Fri Apr 11 2025 44F 42F / 20% SW 17 G 31 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Fri Apr 11 2025 43F 41F / 24% SW 19 G 35 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Fri Apr 11 2025 42F 41F / 21% SW 20 G 36 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Fri Apr 11 2025 42F 41F / 19% SW 21 G 36 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Fri Apr 11 2025 42F 40F / 21% SSW 22 G 40 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Sat Apr 12 2025 40F 40F / 21% SW 23 G 42 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Sat Apr 12 2025 40F 40F / 21% SW 26 G 45 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Sat Apr 12 2025 40F 39F / 29% SW 26 G 46 MPH 10300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sat Apr 12 2025 39F 38F / 28% SW 26 G 44 MPH 10300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sat Apr 12 2025 38F 37F / 26% SW 26 G 45 MPH 10200 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sat Apr 12 2025 38F 37F / 28% SW 26 G 46 MPH 10000 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Sat Apr 12 2025 37F 36F / 28% SW 26 G 47 MPH 9800 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Sat Apr 12 2025 36F 35F / 31% SW 26 G 45 MPH 9600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sat Apr 12 2025 35F 35F / 35% SW 27 G 44 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sat Apr 12 2025 36F 34F / 31% SW 26 G 43 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sat Apr 12 2025 38F 34F / 35% WSW 22 G 38 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sat Apr 12 2025 40F 34F / 37% WSW 19 G 34 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sat Apr 12 2025 43F 35F / 35% WSW 15 G 28 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Sat Apr 12 2025 43F 35F / 54% WSW 13 G 26 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Sat Apr 12 2025 44F 35F / 55% WSW 13 G 24 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Sat Apr 12 2025 45F 35F / 59% WSW 13 G 24 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Sat Apr 12 2025 45F 35F / 60% WSW 12 G 22 MPH 9800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Sat Apr 12 2025 44F 35F / 62% W 13 G 25 MPH 9700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Sat Apr 12 2025 40F 34F / 62% W 14 G 25 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Sat Apr 12 2025 37F 32F / 61% W 16 G 27 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Sat Apr 12 2025 35F 32F / 55% W 17 G 28 MPH 9300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Sat Apr 12 2025 34F 31F / 53% W 18 G 30 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Sat Apr 12 2025 31F 29F / 60% W 16 G 25 MPH 9200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Sat Apr 12 2025 29F 28F / 68% W 18 G 26 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Sun Apr 13 2025 29F 27F / 73% W 16 G 25 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Sun Apr 13 2025 29F 27F / 74% W 18 G 30 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Sun Apr 13 2025 28F 26F / 75% WNW 18 G 27 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Sun Apr 13 2025 28F 25F / 73% WNW 19 G 30 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Sun Apr 13 2025 28F 25F / 65% WNW 19 G 29 MPH 5900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Sun Apr 13 2025 28F 26F / 54% W 21 G 30 MPH 5900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Sun Apr 13 2025 29F 27F / 44% W 23 G 35 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Sun Apr 13 2025 28F 26F / 49% W 24 G 36 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Sun Apr 13 2025 26F 24F / 43% W 24 G 36 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Sun Apr 13 2025 28F 26F / 43% W 25 G 37 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Sun Apr 13 2025 29F 26F / 42% W 22 G 34 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Sun Apr 13 2025 30F 25F / 46% W 20 G 31 MPH 5900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Sun Apr 13 2025 33F 25F / 50% W 17 G 28 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0"