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 00Z 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 06 PM Tue Jul 15 2025 65F 59F / 23% WSW 11 G 18 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Tue Jul 15 2025 58F 53F / 44% W 31 G 51 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Tue Jul 15 2025 52F 52F / 53% SW 13 G 19 MPH 14400 FT 0:1 / -% 0.02" / 0.0" 0.02" / 0.0" 3 09 PM Tue Jul 15 2025 53F 51F / 46% WNW 16 G 26 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 4 10 PM Tue Jul 15 2025 52F 50F / 47% NW 15 G 23 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 5 11 PM Tue Jul 15 2025 50F 48F / 65% WNW 20 G 31 MPH 14300 FT 0:1 / -% 0.01" / 0.0" 0.03" / 0.0" 6 12 AM Wed Jul 16 2025 51F 50F / 56% SW 15 G 26 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 7 01 AM Wed Jul 16 2025 49F 49F / 60% SW 18 G 26 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 8 02 AM Wed Jul 16 2025 50F 50F / 52% WSW 24 G 38 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 9 03 AM Wed Jul 16 2025 50F 49F / 56% WSW 21 G 31 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 10 04 AM Wed Jul 16 2025 50F 50F / 44% WSW 18 G 28 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 11 05 AM Wed Jul 16 2025 50F 49F / 54% WSW 20 G 30 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 12 06 AM Wed Jul 16 2025 48F 48F / 54% WSW 21 G 31 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 13 07 AM Wed Jul 16 2025 49F 48F / 57% WSW 19 G 30 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 14 08 AM Wed Jul 16 2025 51F 49F / 55% WSW 18 G 28 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 15 09 AM Wed Jul 16 2025 52F 49F / 64% WSW 20 G 32 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 16 10 AM Wed Jul 16 2025 54F 49F / 61% WSW 18 G 30 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 17 11 AM Wed Jul 16 2025 58F 51F / 58% SW 15 G 28 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 18 12 PM Wed Jul 16 2025 62F 52F / 55% WSW 14 G 26 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 19 01 PM Wed Jul 16 2025 64F 54F / 43% WSW 14 G 25 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 20 02 PM Wed Jul 16 2025 66F 55F / 39% W 15 G 26 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 21 03 PM Wed Jul 16 2025 67F 55F / 28% W 17 G 29 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 22 04 PM Wed Jul 16 2025 66F 54F / 26% WNW 16 G 24 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 23 05 PM Wed Jul 16 2025 66F 55F / 34% WNW 16 G 25 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 24 06 PM Wed Jul 16 2025 62F 56F / 31% W 16 G 25 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 25 07 PM Wed Jul 16 2025 61F 55F / 30% W 17 G 26 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 26 08 PM Wed Jul 16 2025 57F 53F / 34% W 18 G 25 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 27 09 PM Wed Jul 16 2025 54F 52F / 37% W 18 G 26 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 28 10 PM Wed Jul 16 2025 53F 51F / 28% WSW 16 G 22 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 29 11 PM Wed Jul 16 2025 52F 51F / 43% WSW 14 G 19 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 30 12 AM Thu Jul 17 2025 52F 50F / 38% SW 15 G 20 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 31 01 AM Thu Jul 17 2025 52F 51F / 35% SW 16 G 25 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 32 02 AM Thu Jul 17 2025 51F 50F / 36% SW 17 G 27 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 33 03 AM Thu Jul 17 2025 50F 49F / 35% SSW 17 G 25 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 34 04 AM Thu Jul 17 2025 49F 48F / 42% SSW 19 G 30 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 35 05 AM Thu Jul 17 2025 49F 48F / 47% SW 19 G 29 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 36 06 AM Thu Jul 17 2025 48F 48F / 48% SW 19 G 29 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 37 07 AM Thu Jul 17 2025 49F 49F / 50% WSW 19 G 24 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 38 08 AM Thu Jul 17 2025 50F 50F / 45% WSW 15 G 20 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 39 09 AM Thu Jul 17 2025 52F 52F / 40% WSW 15 G 21 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 40 10 AM Thu Jul 17 2025 57F 52F / 38% WSW 13 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 41 11 AM Thu Jul 17 2025 61F 54F / 32% SW 11 G 19 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 42 12 PM Thu Jul 17 2025 65F 57F / 25% SW 10 G 19 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 43 01 PM Thu Jul 17 2025 66F 58F / 20% WSW 12 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 44 02 PM Thu Jul 17 2025 67F 58F / 25% WSW 12 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 45 03 PM Thu Jul 17 2025 68F 59F / 30% W 13 G 23 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 46 04 PM Thu Jul 17 2025 65F 55F / 32% W 19 G 32 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 47 05 PM Thu Jul 17 2025 63F 55F / 24% WNW 18 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 48 06 PM Thu Jul 17 2025 65F 58F / 13% W 16 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0"