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 28-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 Sat Jun 28 2025 51F 50F / 19% SSW 16 G 25 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sat Jun 28 2025 49F 49F / 16% S 19 G 31 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sat Jun 28 2025 48F 49F / 17% SSW 19 G 32 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sat Jun 28 2025 47F 49F / 17% SSW 17 G 27 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sat Jun 28 2025 48F 49F / 17% SSW 19 G 30 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sat Jun 28 2025 48F 48F / 18% SW 19 G 31 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sat Jun 28 2025 47F 49F / 18% SW 18 G 29 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sat Jun 28 2025 47F 48F / 21% SW 15 G 24 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sat Jun 28 2025 49F 49F / 19% SW 16 G 23 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sat Jun 28 2025 51F 50F / 19% WSW 16 G 21 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sat Jun 28 2025 55F 50F / 16% WSW 12 G 21 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sat Jun 28 2025 59F 51F / 17% WSW 10 G 17 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sat Jun 28 2025 61F 52F / 18% W 11 G 17 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sat Jun 28 2025 63F 53F / 23% W 11 G 18 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sat Jun 28 2025 64F 54F / 25% W 11 G 18 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sat Jun 28 2025 64F 54F / 25% WNW 12 G 19 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sat Jun 28 2025 65F 55F / 21% WNW 11 G 20 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Sat Jun 28 2025 63F 55F / 21% WNW 13 G 22 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Sat Jun 28 2025 60F 54F / 24% W 14 G 21 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Sat Jun 28 2025 59F 54F / 27% W 15 G 21 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Sat Jun 28 2025 55F 51F / 33% W 16 G 22 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Sat Jun 28 2025 52F 50F / 29% W 18 G 25 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Sat Jun 28 2025 51F 50F / 24% W 18 G 25 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Sat Jun 28 2025 51F 50F / 27% WNW 16 G 24 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Sun Jun 29 2025 50F 49F / 30% SW 15 G 19 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Sun Jun 29 2025 49F 49F / 27% W 16 G 21 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Sun Jun 29 2025 49F 49F / 28% W 16 G 21 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Sun Jun 29 2025 49F 48F / 30% W 14 G 17 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Sun Jun 29 2025 50F 48F / 34% W 14 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Sun Jun 29 2025 50F 48F / 36% W 15 G 22 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Sun Jun 29 2025 49F 47F / 37% W 16 G 20 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Sun Jun 29 2025 48F 47F / 40% WSW 16 G 22 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Sun Jun 29 2025 49F 48F / 38% W 17 G 21 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Sun Jun 29 2025 51F 49F / 46% WSW 15 G 22 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Sun Jun 29 2025 54F 49F / 48% W 11 G 18 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Sun Jun 29 2025 58F 50F / 41% W 10 G 18 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Sun Jun 29 2025 61F 53F / 41% WSW 10 G 17 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Sun Jun 29 2025 64F 57F / 27% WSW 11 G 18 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Sun Jun 29 2025 65F 56F / 26% W 12 G 23 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Sun Jun 29 2025 66F 57F / 32% W 14 G 25 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Sun Jun 29 2025 67F 57F / 35% W 16 G 25 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Sun Jun 29 2025 66F 56F / 36% W 16 G 26 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Sun Jun 29 2025 62F 56F / 25% W 18 G 27 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Sun Jun 29 2025 59F 56F / 20% W 18 G 26 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Sun Jun 29 2025 57F 55F / 28% WNW 18 G 24 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Sun Jun 29 2025 52F 52F / 38% WNW 15 G 24 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Sun Jun 29 2025 51F 50F / 46% WNW 14 G 26 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Sun Jun 29 2025 49F 50F / 55% NNW 18 G 25 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Mon Jun 30 2025 48F 48F / 43% NW 16 G 21 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"