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 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 06 PM Sat Jun 28 2025 61F 55F / 26% W 9 G 15 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat Jun 28 2025 58F 54F / 30% W 9 G 13 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sat Jun 28 2025 55F 52F / 35% W 12 G 16 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sat Jun 28 2025 53F 51F / 31% W 15 G 21 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sat Jun 28 2025 51F 50F / 29% W 16 G 21 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sat Jun 28 2025 51F 50F / 28% W 16 G 22 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sun Jun 29 2025 50F 50F / 30% W 16 G 23 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sun Jun 29 2025 50F 49F / 28% W 16 G 22 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sun Jun 29 2025 50F 49F / 32% WNW 16 G 23 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sun Jun 29 2025 50F 49F / 32% W 16 G 21 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sun Jun 29 2025 50F 49F / 31% W 14 G 21 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sun Jun 29 2025 50F 49F / 36% W 15 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sun Jun 29 2025 49F 48F / 36% W 14 G 19 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sun Jun 29 2025 48F 48F / 38% WSW 17 G 24 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sun Jun 29 2025 50F 48F / 32% WSW 17 G 25 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sun Jun 29 2025 51F 49F / 40% WSW 16 G 24 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sun Jun 29 2025 54F 50F / 36% WSW 12 G 19 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sun Jun 29 2025 58F 52F / 34% WSW 11 G 18 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sun Jun 29 2025 61F 52F / 36% W 10 G 17 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sun Jun 29 2025 63F 54F / 33% W 10 G 18 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sun Jun 29 2025 65F 55F / 39% W 12 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sun Jun 29 2025 65F 54F / 33% W 13 G 24 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sun Jun 29 2025 65F 55F / 30% W 14 G 23 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sun Jun 29 2025 65F 55F / 35% WNW 17 G 26 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sun Jun 29 2025 60F 55F / 31% W 16 G 27 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sun Jun 29 2025 58F 54F / 26% W 16 G 25 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sun Jun 29 2025 55F 51F / 25% WNW 19 G 27 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sun Jun 29 2025 52F 50F / 26% WNW 17 G 24 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sun Jun 29 2025 51F 50F / 29% N 16 G 23 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sun Jun 29 2025 49F 48F / 47% NNW 15 G 24 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Mon Jun 30 2025 48F 48F / 42% NNW 15 G 21 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Mon Jun 30 2025 47F 48F / 38% NW 15 G 22 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Mon Jun 30 2025 48F 48F / 39% NNW 17 G 23 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Mon Jun 30 2025 48F 47F / 38% NW 17 G 21 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Mon Jun 30 2025 49F 47F / 34% NW 14 G 20 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Mon Jun 30 2025 48F 47F / 32% WNW 15 G 20 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Mon Jun 30 2025 48F 47F / 36% W 13 G 16 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Mon Jun 30 2025 48F 49F / 35% WNW 13 G 15 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Mon Jun 30 2025 49F 50F / 30% WSW 13 G 14 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Mon Jun 30 2025 52F 52F / 30% SW 12 G 15 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Mon Jun 30 2025 55F 52F / 30% W 9 G 14 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Mon Jun 30 2025 61F 54F / 24% SW 8 G 15 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Mon Jun 30 2025 65F 57F / 17% W 7 G 13 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Mon Jun 30 2025 66F 59F / 12% W 8 G 18 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Mon Jun 30 2025 67F 59F / 16% W 9 G 16 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Mon Jun 30 2025 68F 60F / 16% W 13 G 21 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Mon Jun 30 2025 68F 60F / 16% WNW 11 G 21 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Mon Jun 30 2025 67F 60F / 10% W 12 G 21 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Mon Jun 30 2025 63F 57F / 32% W 13 G 21 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"