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 03-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 Thu Jul 03 2025 50F 48F / 56% SW 9 G 14 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Thu Jul 03 2025 49F 48F / 58% SSW 9 G 14 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Thu Jul 03 2025 49F 47F / 55% S 9 G 14 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Thu Jul 03 2025 48F 47F / 49% S 9 G 14 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Thu Jul 03 2025 49F 47F / 39% SW 9 G 14 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Thu Jul 03 2025 49F 46F / 49% SW 10 G 17 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Thu Jul 03 2025 48F 45F / 54% SSW 13 G 20 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Thu Jul 03 2025 47F 44F / 82% SE 8 G 15 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Thu Jul 03 2025 48F 44F / 78% SE 11 G 24 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Thu Jul 03 2025 48F 44F / 77% SSW 14 G 24 MPH 13600 FT 0:1 / -% 0.01" / 0.0" 0.01" / 0.0" 10 10 AM Thu Jul 03 2025 48F 43F / 78% SSW 12 G 23 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 11 11 AM Thu Jul 03 2025 52F 45F / 84% S 11 G 21 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 12 12 PM Thu Jul 03 2025 56F 47F / 67% SW 11 G 18 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 13 01 PM Thu Jul 03 2025 58F 49F / 57% SSW 10 G 18 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 14 02 PM Thu Jul 03 2025 60F 50F / 40% WSW 8 G 15 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 15 03 PM Thu Jul 03 2025 61F 52F / 41% W 10 G 17 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 16 04 PM Thu Jul 03 2025 62F 52F / 41% W 8 G 15 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 17 05 PM Thu Jul 03 2025 58F 50F / 52% W 10 G 18 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 18 06 PM Thu Jul 03 2025 53F 48F / 65% W 9 G 16 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 19 07 PM Thu Jul 03 2025 56F 50F / 55% SW 9 G 14 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 20 08 PM Thu Jul 03 2025 54F 48F / 59% SW 11 G 19 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 21 09 PM Thu Jul 03 2025 51F 48F / 52% SSW 14 G 24 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 22 10 PM Thu Jul 03 2025 50F 47F / 55% SSW 16 G 26 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 23 11 PM Thu Jul 03 2025 49F 46F / 68% S 16 G 30 MPH 14100 FT 0:1 / -% 0.01" / 0.0" 0.02" / 0.0" 24 12 AM Fri Jul 04 2025 48F 44F / 70% SSW 21 G 35 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 25 01 AM Fri Jul 04 2025 47F 43F / 71% SW 20 G 34 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 26 02 AM Fri Jul 04 2025 46F 44F / 66% SW 18 G 30 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 27 03 AM Fri Jul 04 2025 47F 44F / 59% WSW 16 G 26 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 28 04 AM Fri Jul 04 2025 46F 44F / 70% WSW 19 G 28 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 29 05 AM Fri Jul 04 2025 45F 43F / 72% WSW 16 G 25 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 30 06 AM Fri Jul 04 2025 45F 42F / 76% W 16 G 25 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 31 07 AM Fri Jul 04 2025 45F 42F / 79% W 18 G 28 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 32 08 AM Fri Jul 04 2025 47F 43F / 75% W 19 G 28 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 33 09 AM Fri Jul 04 2025 47F 43F / 82% WSW 15 G 24 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 34 10 AM Fri Jul 04 2025 50F 44F / 78% WSW 12 G 22 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 35 11 AM Fri Jul 04 2025 53F 46F / 65% WSW 10 G 19 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 36 12 PM Fri Jul 04 2025 56F 48F / 61% WSW 11 G 21 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 37 01 PM Fri Jul 04 2025 60F 52F / 50% SW 13 G 26 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 38 02 PM Fri Jul 04 2025 61F 52F / 51% SSW 12 G 27 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 39 03 PM Fri Jul 04 2025 61F 53F / 50% SW 15 G 30 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 40 04 PM Fri Jul 04 2025 62F 53F / 50% SW 16 G 32 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 41 05 PM Fri Jul 04 2025 51F 44F / 100% W 18 G 35 MPH 13300 FT 0:1 / -% 0.01" / 0.0" 0.03" / 0.0" 42 06 PM Fri Jul 04 2025 49F 45F / 100% W 16 G 32 MPH 13100 FT 0:1 / -% 0.02" / 0.0" 0.05" / 0.0" 43 07 PM Fri Jul 04 2025 55F 51F / 66% SW 18 G 34 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.05" / 0.0" 44 08 PM Fri Jul 04 2025 51F 48F / 65% SW 23 G 38 MPH 13200 FT 0:1 / -% 0.01" / 0.0" 0.06" / 0.0" 45 09 PM Fri Jul 04 2025 49F 47F / 67% SW 17 G 32 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.06" / 0.0" 46 10 PM Fri Jul 04 2025 48F 47F / 62% WSW 21 G 34 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.06" / 0.0" 47 11 PM Fri Jul 04 2025 47F 46F / 69% SW 20 G 33 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.06" / 0.0" 48 12 AM Sat Jul 05 2025 47F 46F / 55% SSW 23 G 38 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.06" / 0.0"