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 22-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 Tue Jul 22 2025 50F 48F / 53% S 18 G 32 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Tue Jul 22 2025 50F 47F / 61% S 20 G 37 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Tue Jul 22 2025 49F 47F / 31% S 21 G 39 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Tue Jul 22 2025 49F 47F / 29% SSW 20 G 36 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Tue Jul 22 2025 49F 47F / 25% SSW 22 G 38 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Tue Jul 22 2025 49F 46F / 26% SW 23 G 41 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Tue Jul 22 2025 48F 46F / 26% SW 20 G 32 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Tue Jul 22 2025 46F 45F / 37% SSW 16 G 27 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Tue Jul 22 2025 47F 46F / 35% SSW 17 G 26 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Tue Jul 22 2025 49F 46F / 37% SW 17 G 26 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Tue Jul 22 2025 51F 46F / 35% WSW 14 G 24 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Tue Jul 22 2025 56F 47F / 39% SW 12 G 24 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Tue Jul 22 2025 59F 49F / 36% SW 13 G 23 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Tue Jul 22 2025 60F 51F / 33% SW 12 G 23 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Tue Jul 22 2025 61F 51F / 31% SW 12 G 24 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Tue Jul 22 2025 62F 52F / 24% SW 13 G 24 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Tue Jul 22 2025 62F 52F / 25% SW 11 G 22 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Tue Jul 22 2025 62F 53F / 28% SW 12 G 23 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Tue Jul 22 2025 60F 52F / 28% SW 11 G 18 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Tue Jul 22 2025 58F 52F / 31% SW 12 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Tue Jul 22 2025 54F 50F / 35% SW 12 G 20 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Tue Jul 22 2025 52F 49F / 36% SW 14 G 22 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Tue Jul 22 2025 50F 49F / 35% SW 13 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Tue Jul 22 2025 50F 48F / 35% SSW 13 G 22 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Wed Jul 23 2025 50F 48F / 37% SSW 15 G 25 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Wed Jul 23 2025 49F 47F / 37% SSW 18 G 31 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Wed Jul 23 2025 48F 47F / 35% SSW 17 G 27 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Wed Jul 23 2025 48F 47F / 33% SSW 18 G 30 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Wed Jul 23 2025 47F 46F / 35% SW 19 G 33 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Wed Jul 23 2025 47F 46F / 32% WSW 18 G 30 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Wed Jul 23 2025 46F 46F / 35% WSW 17 G 26 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Wed Jul 23 2025 46F 45F / 36% W 18 G 27 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Wed Jul 23 2025 48F 46F / 40% WSW 16 G 23 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Wed Jul 23 2025 50F 47F / 40% WSW 15 G 22 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Wed Jul 23 2025 53F 48F / 34% W 12 G 21 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Wed Jul 23 2025 56F 49F / 28% W 9 G 18 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Wed Jul 23 2025 59F 51F / 28% WSW 9 G 17 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Wed Jul 23 2025 63F 55F / 23% SW 9 G 18 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Wed Jul 23 2025 63F 54F / 21% SW 9 G 20 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Wed Jul 23 2025 64F 56F / 29% WSW 11 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Wed Jul 23 2025 64F 56F / 34% WSW 12 G 21 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Wed Jul 23 2025 64F 55F / 28% SW 10 G 19 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Wed Jul 23 2025 61F 56F / 37% SW 10 G 16 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Wed Jul 23 2025 59F 55F / 46% W 13 G 20 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Wed Jul 23 2025 57F 54F / 39% W 11 G 16 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Wed Jul 23 2025 52F 51F / 47% W 9 G 17 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Wed Jul 23 2025 50F 50F / 46% W 11 G 16 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Wed Jul 23 2025 49F 50F / 46% WSW 10 G 14 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Thu Jul 24 2025 49F 49F / 37% SSW 11 G 18 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"