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 29-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 AM Sun Jun 29 2025 50F 49F / 33% WNW 15 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sun Jun 29 2025 50F 49F / 29% W 14 G 18 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sun Jun 29 2025 50F 49F / 28% W 15 G 19 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sun Jun 29 2025 49F 49F / 31% W 14 G 18 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sun Jun 29 2025 49F 48F / 27% WSW 13 G 17 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sun Jun 29 2025 50F 49F / 29% WSW 13 G 19 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sun Jun 29 2025 50F 48F / 29% WSW 13 G 19 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sun Jun 29 2025 49F 48F / 33% SW 14 G 21 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sun Jun 29 2025 49F 49F / 35% WSW 15 G 22 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sun Jun 29 2025 51F 49F / 40% WSW 14 G 19 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sun Jun 29 2025 55F 49F / 30% WSW 11 G 19 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sun Jun 29 2025 60F 52F / 30% WSW 9 G 16 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sun Jun 29 2025 63F 54F / 29% W 9 G 14 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sun Jun 29 2025 64F 55F / 30% W 10 G 17 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sun Jun 29 2025 65F 54F / 28% W 12 G 20 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sun Jun 29 2025 65F 55F / 25% WNW 12 G 20 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sun Jun 29 2025 65F 55F / 23% W 13 G 22 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Sun Jun 29 2025 65F 55F / 26% W 15 G 24 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Sun Jun 29 2025 61F 55F / 32% W 16 G 24 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Sun Jun 29 2025 59F 54F / 32% WNW 16 G 24 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Sun Jun 29 2025 55F 52F / 37% WNW 16 G 22 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Sun Jun 29 2025 52F 51F / 35% WNW 15 G 22 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Sun Jun 29 2025 51F 50F / 25% WNW 13 G 19 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Sun Jun 29 2025 51F 50F / 24% NW 11 G 19 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Mon Jun 30 2025 48F 48F / 36% ENE 15 G 24 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Mon Jun 30 2025 48F 48F / 32% E 16 G 24 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Mon Jun 30 2025 49F 48F / 30% E 14 G 19 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Mon Jun 30 2025 49F 48F / 40% E 15 G 21 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Mon Jun 30 2025 49F 48F / 42% NNW 12 G 17 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Mon Jun 30 2025 50F 49F / 29% W 14 G 18 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Mon Jun 30 2025 49F 48F / 29% SW 13 G 16 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Mon Jun 30 2025 49F 48F / 36% S 13 G 17 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Mon Jun 30 2025 50F 49F / 32% SSW 12 G 17 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Mon Jun 30 2025 51F 49F / 45% SSE 12 G 17 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Mon Jun 30 2025 54F 50F / 44% SSE 10 G 18 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Mon Jun 30 2025 59F 52F / 31% SSW 9 G 17 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Mon Jun 30 2025 62F 55F / 19% WSW 8 G 16 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Mon Jun 30 2025 67F 59F / 10% W 9 G 16 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Mon Jun 30 2025 67F 60F / 12% W 9 G 18 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Mon Jun 30 2025 69F 61F / 15% W 10 G 18 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Mon Jun 30 2025 68F 60F / 13% WSW 11 G 18 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Mon Jun 30 2025 67F 58F / 23% WNW 14 G 24 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Mon Jun 30 2025 64F 59F / 15% WSW 9 G 17 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Mon Jun 30 2025 63F 59F / 22% W 12 G 17 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Mon Jun 30 2025 60F 58F / 29% W 12 G 15 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Mon Jun 30 2025 55F 55F / 35% SW 13 G 20 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Mon Jun 30 2025 53F 54F / 37% SW 12 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Mon Jun 30 2025 52F 53F / 39% SSW 12 G 17 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Tue Jul 01 2025 53F 53F / 29% S 13 G 20 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"