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 18Z 17-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 PM Tue Jun 17 2025 55F 45F / 31% WNW 15 G 23 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Tue Jun 17 2025 55F 45F / 33% WNW 16 G 25 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Tue Jun 17 2025 58F 45F / 39% WNW 17 G 28 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Tue Jun 17 2025 58F 47F / 29% WNW 17 G 26 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Tue Jun 17 2025 57F 47F / 30% WNW 16 G 28 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Tue Jun 17 2025 57F 47F / 37% WNW 15 G 24 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Tue Jun 17 2025 54F 47F / 41% WNW 17 G 26 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Tue Jun 17 2025 51F 46F / 44% WNW 17 G 25 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Tue Jun 17 2025 48F 44F / 41% WNW 18 G 25 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Tue Jun 17 2025 45F 42F / 40% WNW 18 G 25 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Tue Jun 17 2025 44F 42F / 41% NW 19 G 26 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Tue Jun 17 2025 45F 43F / 41% WNW 20 G 27 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Wed Jun 18 2025 44F 43F / 38% WNW 22 G 29 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Wed Jun 18 2025 44F 43F / 41% WNW 22 G 31 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Wed Jun 18 2025 44F 43F / 42% WNW 21 G 29 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Wed Jun 18 2025 44F 43F / 41% WNW 21 G 27 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Wed Jun 18 2025 44F 42F / 44% WNW 21 G 28 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Wed Jun 18 2025 44F 43F / 46% WNW 18 G 25 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Wed Jun 18 2025 44F 42F / 44% WNW 18 G 24 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Wed Jun 18 2025 44F 42F / 47% WNW 17 G 23 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Wed Jun 18 2025 45F 43F / 45% WNW 14 G 19 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Wed Jun 18 2025 46F 44F / 50% W 13 G 17 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Wed Jun 18 2025 49F 44F / 56% WSW 8 G 13 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Wed Jun 18 2025 55F 46F / 46% W 8 G 14 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Wed Jun 18 2025 59F 49F / 32% WNW 9 G 14 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Wed Jun 18 2025 61F 51F / 27% W 8 G 15 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Wed Jun 18 2025 64F 52F / 23% W 7 G 15 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Wed Jun 18 2025 64F 53F / 21% W 9 G 17 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Wed Jun 18 2025 64F 53F / 25% WSW 10 G 19 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Wed Jun 18 2025 64F 54F / 23% WSW 11 G 21 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Wed Jun 18 2025 61F 54F / 25% WSW 11 G 19 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Wed Jun 18 2025 59F 53F / 28% W 11 G 18 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Wed Jun 18 2025 56F 51F / 32% WSW 13 G 19 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Wed Jun 18 2025 53F 51F / 29% WSW 16 G 22 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Wed Jun 18 2025 53F 51F / 23% WSW 17 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Wed Jun 18 2025 52F 51F / 22% SW 16 G 22 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Thu Jun 19 2025 52F 52F / 21% WSW 16 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Thu Jun 19 2025 56F 55F / 17% SW 18 G 28 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Thu Jun 19 2025 54F 54F / 20% SW 18 G 28 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Thu Jun 19 2025 53F 53F / 23% SSW 20 G 32 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Thu Jun 19 2025 51F 52F / 24% SSW 21 G 36 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Thu Jun 19 2025 51F 51F / 14% SSW 22 G 37 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Thu Jun 19 2025 50F 51F / 15% SW 22 G 38 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Thu Jun 19 2025 51F 51F / 18% SW 22 G 35 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Thu Jun 19 2025 52F 53F / 7% SW 22 G 35 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Thu Jun 19 2025 55F 55F / 9% SW 19 G 37 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Thu Jun 19 2025 58F 54F / 4% SSW 18 G 37 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Thu Jun 19 2025 64F 55F / 3% SSW 17 G 32 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Thu Jun 19 2025 68F 57F / 2% SSW 14 G 31 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"