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 12Z 13-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 06 AM Fri Jun 13 2025 45F 45F / 34% WSW 16 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Fri Jun 13 2025 44F 45F / 41% SW 15 G 21 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Fri Jun 13 2025 46F 45F / 40% SW 14 G 20 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Fri Jun 13 2025 47F 46F / 42% SW 13 G 20 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Fri Jun 13 2025 51F 47F / 35% SW 14 G 22 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Fri Jun 13 2025 56F 48F / 31% SW 11 G 21 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Fri Jun 13 2025 60F 50F / 22% SSW 11 G 23 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Fri Jun 13 2025 61F 51F / 21% SSW 12 G 24 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Fri Jun 13 2025 64F 53F / 16% SSW 13 G 28 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Fri Jun 13 2025 64F 53F / 12% SSW 14 G 30 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Fri Jun 13 2025 63F 54F / 12% SW 13 G 27 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Fri Jun 13 2025 64F 54F / 9% SW 13 G 25 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Fri Jun 13 2025 62F 55F / 8% SW 11 G 22 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Fri Jun 13 2025 60F 54F / 5% SSW 14 G 26 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Fri Jun 13 2025 56F 52F / 9% SSW 17 G 29 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Fri Jun 13 2025 53F 51F / 9% SSW 20 G 34 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Fri Jun 13 2025 51F 50F / 9% SW 22 G 39 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Fri Jun 13 2025 51F 49F / 10% SSW 22 G 38 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Sat Jun 14 2025 50F 49F / 15% SW 24 G 43 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Sat Jun 14 2025 49F 49F / 12% SW 25 G 43 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Sat Jun 14 2025 49F 48F / 20% SW 25 G 43 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Sat Jun 14 2025 48F 47F / 23% WSW 22 G 37 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Sat Jun 14 2025 47F 47F / 19% WSW 21 G 32 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Sat Jun 14 2025 46F 47F / 21% WSW 20 G 30 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Sat Jun 14 2025 46F 46F / 24% WSW 19 G 29 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Sat Jun 14 2025 46F 46F / 25% WSW 19 G 29 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Sat Jun 14 2025 48F 47F / 26% WSW 19 G 30 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Sat Jun 14 2025 50F 48F / 23% WSW 18 G 28 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Sat Jun 14 2025 53F 49F / 20% SW 15 G 28 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Sat Jun 14 2025 57F 49F / 16% SW 14 G 29 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Sat Jun 14 2025 60F 51F / 14% SSW 14 G 30 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Sat Jun 14 2025 62F 51F / 12% SSW 15 G 29 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Sat Jun 14 2025 64F 52F / 12% SW 15 G 30 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Sat Jun 14 2025 65F 53F / 13% SW 13 G 28 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Sat Jun 14 2025 64F 54F / 12% SW 13 G 26 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Sat Jun 14 2025 65F 55F / 10% SW 12 G 24 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Sat Jun 14 2025 62F 55F / 8% SW 12 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Sat Jun 14 2025 62F 58F / 4% SW 14 G 24 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Sat Jun 14 2025 58F 56F / 12% SW 15 G 27 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Sat Jun 14 2025 54F 54F / 12% SW 13 G 19 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Sat Jun 14 2025 54F 54F / 12% SW 17 G 28 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Sat Jun 14 2025 53F 52F / 12% SSW 17 G 30 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Sun Jun 15 2025 52F 52F / 14% SW 20 G 33 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Sun Jun 15 2025 49F 50F / 21% SW 20 G 35 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Sun Jun 15 2025 49F 49F / 15% SW 21 G 34 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Sun Jun 15 2025 49F 49F / 17% SW 20 G 36 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Sun Jun 15 2025 48F 49F / 20% SW 21 G 36 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Sun Jun 15 2025 48F 49F / 14% SW 21 G 33 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Sun Jun 15 2025 48F 49F / 13% SW 20 G 31 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"