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 10-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 Wed Jul 09 2025 66F 60F / 29% WSW 11 G 21 MPH 14900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Wed Jul 09 2025 62F 58F / 20% SSW 10 G 19 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Wed Jul 09 2025 59F 55F / 23% WSW 18 G 28 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Wed Jul 09 2025 57F 55F / 24% SSW 21 G 36 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Wed Jul 09 2025 57F 56F / 21% SW 20 G 33 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Wed Jul 09 2025 56F 55F / 19% SSW 19 G 36 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Thu Jul 10 2025 56F 55F / 14% SW 23 G 42 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Thu Jul 10 2025 53F 52F / 19% WSW 25 G 42 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Thu Jul 10 2025 53F 51F / 31% WNW 23 G 35 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Thu Jul 10 2025 48F 49F / 47% WNW 22 G 35 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Thu Jul 10 2025 49F 49F / 29% WNW 23 G 37 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Thu Jul 10 2025 50F 49F / 36% WNW 21 G 31 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Thu Jul 10 2025 46F 47F / 50% WNW 18 G 25 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Thu Jul 10 2025 45F 45F / 61% WNW 17 G 25 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Thu Jul 10 2025 46F 45F / 58% W 16 G 24 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Thu Jul 10 2025 47F 45F / 53% WNW 16 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Thu Jul 10 2025 51F 46F / 56% WNW 13 G 21 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Thu Jul 10 2025 55F 48F / 54% WNW 13 G 22 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Thu Jul 10 2025 59F 49F / 46% WNW 14 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Thu Jul 10 2025 60F 51F / 48% WNW 11 G 20 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Thu Jul 10 2025 62F 52F / 43% WNW 10 G 19 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Thu Jul 10 2025 63F 53F / 39% WNW 11 G 21 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Thu Jul 10 2025 63F 53F / 44% WNW 12 G 20 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Thu Jul 10 2025 64F 54F / 41% WNW 15 G 24 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Thu Jul 10 2025 60F 54F / 33% WNW 16 G 26 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Thu Jul 10 2025 57F 52F / 44% WNW 15 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Thu Jul 10 2025 54F 50F / 41% WNW 17 G 26 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Thu Jul 10 2025 50F 48F / 44% WNW 17 G 25 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Thu Jul 10 2025 49F 48F / 43% WNW 17 G 25 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Thu Jul 10 2025 49F 47F / 44% WNW 17 G 25 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Fri Jul 11 2025 48F 46F / 49% NNW 18 G 24 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Fri Jul 11 2025 47F 46F / 45% WNW 20 G 28 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Fri Jul 11 2025 48F 46F / 38% WNW 23 G 32 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Fri Jul 11 2025 47F 45F / 37% WNW 21 G 29 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Fri Jul 11 2025 46F 45F / 41% WNW 23 G 32 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Fri Jul 11 2025 46F 45F / 32% WNW 24 G 36 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Fri Jul 11 2025 46F 44F / 36% WNW 22 G 35 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Fri Jul 11 2025 46F 46F / 44% WNW 23 G 33 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Fri Jul 11 2025 48F 48F / 43% WNW 21 G 30 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Fri Jul 11 2025 50F 48F / 44% WNW 21 G 31 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Fri Jul 11 2025 52F 48F / 44% WNW 18 G 27 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Fri Jul 11 2025 57F 49F / 48% W 14 G 23 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Fri Jul 11 2025 60F 51F / 51% WNW 14 G 23 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Fri Jul 11 2025 60F 52F / 49% W 16 G 27 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Fri Jul 11 2025 61F 53F / 45% W 16 G 26 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Fri Jul 11 2025 62F 54F / 44% WNW 15 G 27 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Fri Jul 11 2025 61F 53F / 42% WNW 15 G 25 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Fri Jul 11 2025 62F 53F / 47% WNW 15 G 24 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Fri Jul 11 2025 60F 53F / 39% W 15 G 23 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"