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 18Z 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 12 PM Fri Jun 13 2025 60F 51F / 26% SSW 11 G 23 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Fri Jun 13 2025 61F 50F / 29% SSW 11 G 24 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Fri Jun 13 2025 64F 52F / 17% SSW 12 G 28 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Fri Jun 13 2025 64F 54F / 16% SSW 12 G 28 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Fri Jun 13 2025 64F 54F / 15% SSW 11 G 24 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Fri Jun 13 2025 64F 55F / 11% SW 12 G 25 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Fri Jun 13 2025 62F 55F / 9% SW 12 G 23 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Fri Jun 13 2025 60F 55F / 9% SSW 15 G 28 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Fri Jun 13 2025 56F 52F / 18% SW 17 G 30 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Fri Jun 13 2025 52F 50F / 15% SSW 20 G 36 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Fri Jun 13 2025 51F 50F / 22% SSW 21 G 39 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Fri Jun 13 2025 50F 49F / 25% SW 23 G 39 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Sat Jun 14 2025 48F 48F / 23% SW 23 G 40 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Sat Jun 14 2025 48F 48F / 22% SW 25 G 43 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Sat Jun 14 2025 47F 47F / 24% SW 25 G 40 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sat Jun 14 2025 46F 47F / 23% WSW 22 G 33 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sat Jun 14 2025 46F 46F / 24% WSW 17 G 25 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sat Jun 14 2025 46F 46F / 25% WSW 17 G 26 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 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" 19 07 AM Sat Jun 14 2025 45F 46F / 30% WSW 19 G 28 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sat Jun 14 2025 46F 46F / 33% WSW 18 G 27 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sat Jun 14 2025 48F 47F / 31% SW 18 G 27 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sat Jun 14 2025 52F 48F / 25% SW 16 G 28 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sat Jun 14 2025 57F 49F / 14% SW 15 G 29 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sat Jun 14 2025 60F 51F / 17% SSW 14 G 28 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Sat Jun 14 2025 61F 52F / 15% SSW 14 G 28 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Sat Jun 14 2025 64F 52F / 13% SW 14 G 29 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Sat Jun 14 2025 64F 54F / 13% SW 14 G 27 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Sat Jun 14 2025 64F 54F / 13% SW 13 G 25 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Sat Jun 14 2025 65F 56F / 9% SW 13 G 26 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Sat Jun 14 2025 62F 55F / 8% SW 14 G 25 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Sat Jun 14 2025 60F 55F / 9% SW 13 G 23 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Sat Jun 14 2025 56F 53F / 12% SW 16 G 29 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Sat Jun 14 2025 54F 52F / 15% SW 16 G 27 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Sat Jun 14 2025 52F 51F / 13% SW 17 G 30 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Sat Jun 14 2025 52F 51F / 15% SW 18 G 29 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Sun Jun 15 2025 51F 50F / 16% SW 19 G 31 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Sun Jun 15 2025 50F 51F / 19% SW 22 G 36 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Sun Jun 15 2025 50F 50F / 18% SW 22 G 36 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Sun Jun 15 2025 49F 49F / 15% SW 22 G 36 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Sun Jun 15 2025 48F 49F / 18% SW 21 G 35 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Sun Jun 15 2025 48F 49F / 15% SW 19 G 34 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Sun Jun 15 2025 48F 49F / 17% SW 19 G 33 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Sun Jun 15 2025 48F 49F / 14% SW 20 G 31 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Sun Jun 15 2025 50F 51F / 10% SW 19 G 32 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Sun Jun 15 2025 52F 52F / 12% SW 18 G 34 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Sun Jun 15 2025 54F 51F / 7% SSW 18 G 34 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Sun Jun 15 2025 60F 51F / 9% SSW 17 G 30 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Sun Jun 15 2025 64F 53F / 5% SSW 15 G 31 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"