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 11-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 Tue Jun 10 2025 59F 54F / 34% W 7 G 13 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Tue Jun 10 2025 57F 53F / 30% W 9 G 13 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Tue Jun 10 2025 54F 51F / 43% WSW 11 G 15 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Tue Jun 10 2025 51F 49F / 41% W 12 G 16 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Tue Jun 10 2025 51F 49F / 41% W 11 G 16 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Tue Jun 10 2025 49F 49F / 52% SSW 11 G 15 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Wed Jun 11 2025 49F 49F / 47% SSW 12 G 17 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Wed Jun 11 2025 50F 49F / 36% SW 14 G 20 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Wed Jun 11 2025 50F 48F / 38% WSW 15 G 23 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Wed Jun 11 2025 50F 48F / 37% WSW 16 G 23 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Wed Jun 11 2025 49F 48F / 36% WSW 16 G 24 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Wed Jun 11 2025 49F 48F / 44% WSW 17 G 24 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Wed Jun 11 2025 47F 47F / 47% SW 16 G 24 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Wed Jun 11 2025 47F 46F / 53% SW 16 G 25 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Wed Jun 11 2025 49F 47F / 55% WSW 16 G 25 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Wed Jun 11 2025 51F 48F / 59% SW 16 G 26 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Wed Jun 11 2025 53F 48F / 49% WSW 14 G 25 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Wed Jun 11 2025 56F 50F / 41% SW 14 G 25 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Wed Jun 11 2025 60F 51F / 45% SW 14 G 26 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Wed Jun 11 2025 61F 52F / 29% WSW 11 G 22 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Wed Jun 11 2025 63F 53F / 38% SW 11 G 22 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Wed Jun 11 2025 63F 53F / 26% SW 11 G 23 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Wed Jun 11 2025 63F 54F / 25% SSW 14 G 27 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Wed Jun 11 2025 63F 54F / 27% SW 18 G 31 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Wed Jun 11 2025 64F 56F / 15% WSW 22 G 39 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Wed Jun 11 2025 62F 56F / 12% WSW 21 G 37 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Wed Jun 11 2025 58F 54F / 20% SW 21 G 34 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Wed Jun 11 2025 54F 52F / 34% WSW 16 G 25 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Wed Jun 11 2025 52F 50F / 34% WSW 13 G 20 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Wed Jun 11 2025 51F 50F / 44% WNW 14 G 21 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Thu Jun 12 2025 48F 48F / 50% W 13 G 16 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Thu Jun 12 2025 49F 49F / 50% WSW 12 G 17 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Thu Jun 12 2025 50F 48F / 47% W 12 G 17 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Thu Jun 12 2025 49F 47F / 48% WSW 14 G 16 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Thu Jun 12 2025 48F 46F / 59% WSW 12 G 18 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Thu Jun 12 2025 48F 45F / 60% W 12 G 16 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Thu Jun 12 2025 47F 45F / 58% WSW 11 G 14 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Thu Jun 12 2025 46F 46F / 55% WSW 12 G 15 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Thu Jun 12 2025 47F 47F / 46% SW 14 G 18 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Thu Jun 12 2025 50F 49F / 45% SSW 15 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Thu Jun 12 2025 53F 49F / 43% SW 14 G 24 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Thu Jun 12 2025 58F 50F / 38% SSW 12 G 24 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Thu Jun 12 2025 62F 54F / 30% SSW 11 G 23 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Thu Jun 12 2025 64F 55F / 20% SSW 14 G 28 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Thu Jun 12 2025 65F 55F / 19% SW 14 G 29 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Thu Jun 12 2025 65F 56F / 15% SW 13 G 28 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Thu Jun 12 2025 64F 56F / 12% SW 14 G 28 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Thu Jun 12 2025 67F 57F / 11% SW 13 G 25 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Thu Jun 12 2025 65F 57F / 10% SW 13 G 23 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"