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 14-Jul-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 Mon Jul 14 2025 49F 50F / 27% WNW 18 G 25 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Mon Jul 14 2025 51F 51F / 21% WNW 18 G 24 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Mon Jul 14 2025 51F 51F / 23% WNW 17 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Mon Jul 14 2025 53F 52F / 23% WNW 16 G 22 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Mon Jul 14 2025 57F 53F / 22% W 14 G 19 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Mon Jul 14 2025 62F 54F / 17% W 14 G 21 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Mon Jul 14 2025 65F 55F / 16% W 13 G 23 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Mon Jul 14 2025 66F 56F / 18% W 15 G 25 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Mon Jul 14 2025 68F 56F / 16% W 17 G 27 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Mon Jul 14 2025 69F 57F / 16% WNW 17 G 29 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Mon Jul 14 2025 67F 57F / 16% WNW 18 G 28 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Mon Jul 14 2025 67F 57F / 16% WNW 19 G 30 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Mon Jul 14 2025 64F 57F / 10% WNW 19 G 30 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Mon Jul 14 2025 61F 56F / 21% WNW 23 G 34 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Mon Jul 14 2025 57F 54F / 17% WNW 24 G 36 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Mon Jul 14 2025 54F 53F / 25% WNW 22 G 32 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Mon Jul 14 2025 54F 53F / 24% WNW 25 G 38 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Mon Jul 14 2025 53F 52F / 30% WNW 23 G 30 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Tue Jul 15 2025 54F 53F / 23% WNW 23 G 35 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Tue Jul 15 2025 53F 52F / 21% WNW 20 G 26 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Tue Jul 15 2025 54F 52F / 23% W 22 G 31 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Tue Jul 15 2025 52F 51F / 26% WNW 17 G 23 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Tue Jul 15 2025 54F 52F / 26% WNW 17 G 23 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Tue Jul 15 2025 52F 51F / 30% WNW 17 G 24 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Tue Jul 15 2025 51F 50F / 35% W 14 G 20 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Tue Jul 15 2025 50F 49F / 33% SSW 15 G 22 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Tue Jul 15 2025 51F 50F / 34% SW 17 G 25 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Tue Jul 15 2025 53F 51F / 36% SSW 15 G 24 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Tue Jul 15 2025 58F 52F / 33% S 11 G 20 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Tue Jul 15 2025 62F 53F / 26% SSW 12 G 22 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Tue Jul 15 2025 66F 56F / 22% SW 13 G 26 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Tue Jul 15 2025 66F 56F / 18% WSW 16 G 29 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Tue Jul 15 2025 65F 55F / 19% WSW 13 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Tue Jul 15 2025 67F 56F / 21% WSW 17 G 33 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Tue Jul 15 2025 67F 56F / 15% WSW 15 G 27 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Tue Jul 15 2025 69F 58F / 20% SW 16 G 28 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Tue Jul 15 2025 59F 53F / 42% SW 12 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Tue Jul 15 2025 62F 58F / 26% WSW 14 G 22 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Tue Jul 15 2025 59F 57F / 28% WSW 18 G 29 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Tue Jul 15 2025 54F 53F / 42% WNW 13 G 20 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Tue Jul 15 2025 54F 53F / 51% WNW 20 G 31 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Tue Jul 15 2025 51F 50F / 46% WSW 15 G 24 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Wed Jul 16 2025 50F 49F / 51% SW 16 G 22 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Wed Jul 16 2025 50F 50F / 57% SSW 17 G 27 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Wed Jul 16 2025 52F 50F / 46% WSW 20 G 31 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Wed Jul 16 2025 52F 50F / 43% WSW 18 G 26 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Wed Jul 16 2025 51F 49F / 46% WSW 18 G 29 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Wed Jul 16 2025 50F 49F / 42% SW 21 G 30 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Wed Jul 16 2025 48F 47F / 44% SW 21 G 30 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"