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 06Z 16-Jul-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 AM Wed Jul 16 2025 51F 47F / 59% W 15 G 22 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Wed Jul 16 2025 49F 47F / 51% W 11 G 16 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Wed Jul 16 2025 50F 48F / 47% SW 14 G 20 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Wed Jul 16 2025 49F 49F / 48% SW 21 G 32 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Wed Jul 16 2025 50F 49F / 40% WSW 19 G 29 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Wed Jul 16 2025 50F 48F / 46% WSW 18 G 27 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Wed Jul 16 2025 49F 48F / 48% WSW 18 G 28 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Wed Jul 16 2025 48F 47F / 61% WSW 17 G 27 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Wed Jul 16 2025 50F 48F / 49% WSW 19 G 29 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Wed Jul 16 2025 51F 49F / 52% WSW 17 G 24 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Wed Jul 16 2025 55F 49F / 44% WSW 13 G 23 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Wed Jul 16 2025 60F 51F / 43% WSW 12 G 23 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Wed Jul 16 2025 64F 53F / 36% WSW 14 G 23 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Wed Jul 16 2025 65F 54F / 37% W 14 G 24 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Wed Jul 16 2025 66F 55F / 33% W 14 G 25 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Wed Jul 16 2025 67F 55F / 32% WNW 17 G 27 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Wed Jul 16 2025 62F 53F / 30% WNW 12 G 19 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Wed Jul 16 2025 66F 55F / 17% W 17 G 27 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Wed Jul 16 2025 63F 55F / 16% WNW 17 G 26 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Wed Jul 16 2025 61F 55F / 17% W 18 G 26 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Wed Jul 16 2025 54F 51F / 45% WSW 15 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Wed Jul 16 2025 53F 51F / 35% W 14 G 19 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Wed Jul 16 2025 53F 52F / 28% WSW 13 G 14 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Wed Jul 16 2025 53F 52F / 28% WSW 12 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Thu Jul 17 2025 53F 52F / 26% SSW 16 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Thu Jul 17 2025 53F 51F / 22% SW 16 G 24 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Thu Jul 17 2025 52F 51F / 26% SSW 16 G 24 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Thu Jul 17 2025 51F 50F / 32% SSW 20 G 32 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Thu Jul 17 2025 50F 49F / 41% SSW 19 G 31 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Thu Jul 17 2025 49F 49F / 47% SW 19 G 29 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Thu Jul 17 2025 48F 49F / 48% SW 18 G 26 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Thu Jul 17 2025 48F 48F / 56% WSW 18 G 26 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Thu Jul 17 2025 50F 49F / 50% WSW 17 G 23 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Thu Jul 17 2025 53F 50F / 50% WSW 16 G 24 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Thu Jul 17 2025 55F 50F / 46% WSW 13 G 20 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Thu Jul 17 2025 60F 52F / 31% WSW 12 G 21 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Thu Jul 17 2025 63F 55F / 29% WSW 11 G 20 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Thu Jul 17 2025 67F 58F / 19% WSW 12 G 21 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Thu Jul 17 2025 67F 58F / 22% W 12 G 24 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Thu Jul 17 2025 69F 60F / 27% W 12 G 23 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Thu Jul 17 2025 67F 59F / 27% W 12 G 21 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Thu Jul 17 2025 65F 56F / 22% W 14 G 25 MPH 13500 FT 0:1 / -% 0.01" / 0.0" 0.01" / 0.0" 42 06 PM Thu Jul 17 2025 64F 58F / 10% WSW 11 G 18 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 43 07 PM Thu Jul 17 2025 61F 58F / 18% W 15 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 44 08 PM Thu Jul 17 2025 59F 57F / 25% W 15 G 20 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 45 09 PM Thu Jul 17 2025 56F 55F / 25% W 14 G 21 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 46 10 PM Thu Jul 17 2025 55F 55F / 24% W 14 G 20 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 47 11 PM Thu Jul 17 2025 53F 53F / 31% SSW 12 G 18 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 48 12 AM Fri Jul 18 2025 50F 50F / 50% S 14 G 19 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0"