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 11-Jun-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 Jun 11 2025 50F 49F / 31% SSW 12 G 17 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Wed Jun 11 2025 50F 48F / 35% SW 16 G 24 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Wed Jun 11 2025 50F 48F / 32% WSW 16 G 22 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Wed Jun 11 2025 49F 48F / 35% WSW 14 G 20 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Wed Jun 11 2025 49F 48F / 30% WSW 15 G 21 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Wed Jun 11 2025 49F 48F / 36% WSW 15 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Wed Jun 11 2025 48F 47F / 37% SW 15 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Wed Jun 11 2025 48F 47F / 47% SW 15 G 25 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Wed Jun 11 2025 48F 47F / 48% SSW 17 G 27 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Wed Jun 11 2025 49F 47F / 48% WSW 19 G 27 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Wed Jun 11 2025 53F 47F / 45% SSW 15 G 27 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Wed Jun 11 2025 57F 49F / 44% SSW 17 G 33 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Wed Jun 11 2025 61F 51F / 42% SSW 15 G 24 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Wed Jun 11 2025 63F 53F / 34% SSW 14 G 26 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Wed Jun 11 2025 65F 54F / 29% SSW 14 G 26 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Wed Jun 11 2025 65F 55F / 22% SW 13 G 28 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Wed Jun 11 2025 64F 54F / 22% SW 14 G 27 MPH 13200 FT 0:1 / -% 0.01" / 0.0" 0.01" / 0.0" 17 05 PM Wed Jun 11 2025 66F 57F / 16% SSW 16 G 32 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 18 06 PM Wed Jun 11 2025 63F 56F / 19% SW 17 G 29 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 19 07 PM Wed Jun 11 2025 61F 56F / 20% SW 15 G 25 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 20 08 PM Wed Jun 11 2025 58F 54F / 20% WSW 21 G 36 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 21 09 PM Wed Jun 11 2025 55F 54F / 19% WSW 21 G 35 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 22 10 PM Wed Jun 11 2025 53F 52F / 24% WSW 15 G 19 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 23 11 PM Wed Jun 11 2025 53F 51F / 30% W 16 G 21 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 24 12 AM Thu Jun 12 2025 52F 51F / 30% WSW 14 G 19 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 25 01 AM Thu Jun 12 2025 49F 49F / 45% W 12 G 17 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 26 02 AM Thu Jun 12 2025 49F 48F / 49% SW 13 G 15 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 27 03 AM Thu Jun 12 2025 48F 47F / 50% WSW 11 G 13 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 28 04 AM Thu Jun 12 2025 49F 47F / 52% WSW 12 G 16 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 29 05 AM Thu Jun 12 2025 49F 47F / 54% WSW 11 G 15 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 30 06 AM Thu Jun 12 2025 48F 47F / 53% SW 12 G 16 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 31 07 AM Thu Jun 12 2025 47F 46F / 55% WSW 14 G 19 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 32 08 AM Thu Jun 12 2025 48F 47F / 50% SW 13 G 19 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 33 09 AM Thu Jun 12 2025 50F 48F / 54% SW 14 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 34 10 AM Thu Jun 12 2025 53F 48F / 45% SSW 13 G 24 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 35 11 AM Thu Jun 12 2025 57F 49F / 32% SSW 13 G 26 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 36 12 PM Thu Jun 12 2025 60F 52F / 24% SSW 14 G 27 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 37 01 PM Thu Jun 12 2025 65F 55F / 21% SSW 15 G 28 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 38 02 PM Thu Jun 12 2025 65F 55F / 16% SSW 13 G 28 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 39 03 PM Thu Jun 12 2025 66F 58F / 17% SW 15 G 32 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 40 04 PM Thu Jun 12 2025 68F 58F / 17% WSW 15 G 30 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 41 05 PM Thu Jun 12 2025 68F 58F / 11% SW 15 G 28 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 42 06 PM Thu Jun 12 2025 65F 58F / 2% SW 13 G 22 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 43 07 PM Thu Jun 12 2025 63F 58F / 6% WSW 21 G 36 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 44 08 PM Thu Jun 12 2025 60F 57F / 16% WSW 20 G 33 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 45 09 PM Thu Jun 12 2025 56F 55F / 16% SSW 19 G 34 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 46 10 PM Thu Jun 12 2025 53F 52F / 28% WSW 14 G 19 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 47 11 PM Thu Jun 12 2025 51F 51F / 49% W 16 G 25 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 48 12 AM Fri Jun 13 2025 51F 49F / 43% W 16 G 26 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0"