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 04-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 PM Thu Jul 03 2025 58F 53F / 36% SSW 7 G 13 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Thu Jul 03 2025 56F 52F / 42% SSW 9 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Thu Jul 03 2025 52F 48F / 68% SSW 14 G 25 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Thu Jul 03 2025 49F 46F / 68% WSW 10 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Thu Jul 03 2025 50F 47F / 57% S 15 G 26 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Thu Jul 03 2025 48F 46F / 77% S 14 G 26 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Fri Jul 04 2025 48F 46F / 73% SSW 18 G 32 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Fri Jul 04 2025 47F 45F / 60% S 19 G 31 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Fri Jul 04 2025 47F 45F / 60% S 19 G 31 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Fri Jul 04 2025 47F 44F / 60% SW 17 G 29 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Fri Jul 04 2025 48F 45F / 48% SW 21 G 35 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Fri Jul 04 2025 47F 45F / 63% SW 23 G 35 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Fri Jul 04 2025 45F 44F / 65% SW 20 G 31 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Fri Jul 04 2025 46F 44F / 63% SW 19 G 30 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Fri Jul 04 2025 48F 45F / 62% SW 18 G 29 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Fri Jul 04 2025 49F 45F / 69% SW 19 G 32 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Fri Jul 04 2025 50F 45F / 64% WSW 11 G 19 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Fri Jul 04 2025 54F 47F / 57% SW 12 G 21 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Fri Jul 04 2025 55F 46F / 58% SW 12 G 20 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Fri Jul 04 2025 58F 49F / 53% SSW 12 G 24 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Fri Jul 04 2025 60F 50F / 61% SSW 14 G 29 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Fri Jul 04 2025 60F 50F / 53% SSW 13 G 28 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Fri Jul 04 2025 54F 47F / 57% SSW 13 G 26 MPH 14000 FT 0:1 / -% 0.01" / 0.0" 0.01" / 0.0" 23 05 PM Fri Jul 04 2025 59F 51F / 50% SSW 14 G 30 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 24 06 PM Fri Jul 04 2025 58F 52F / 39% SW 17 G 32 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 25 07 PM Fri Jul 04 2025 51F 48F / 52% S 13 G 26 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 26 08 PM Fri Jul 04 2025 53F 49F / 44% SW 18 G 32 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 27 09 PM Fri Jul 04 2025 52F 49F / 39% SW 21 G 36 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 28 10 PM Fri Jul 04 2025 50F 48F / 31% SW 22 G 37 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 29 11 PM Fri Jul 04 2025 50F 48F / 24% SW 24 G 41 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 30 12 AM Sat Jul 05 2025 48F 47F / 26% SW 23 G 37 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 31 01 AM Sat Jul 05 2025 48F 47F / 17% SW 25 G 43 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 32 02 AM Sat Jul 05 2025 47F 45F / 28% SW 26 G 42 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 33 03 AM Sat Jul 05 2025 46F 45F / 30% SW 24 G 41 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 34 04 AM Sat Jul 05 2025 45F 45F / 27% SW 23 G 39 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 35 05 AM Sat Jul 05 2025 45F 45F / 28% SW 23 G 38 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 36 06 AM Sat Jul 05 2025 44F 44F / 35% SW 20 G 32 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 37 07 AM Sat Jul 05 2025 45F 46F / 37% SW 19 G 32 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 38 08 AM Sat Jul 05 2025 47F 48F / 35% SW 19 G 31 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 39 09 AM Sat Jul 05 2025 48F 48F / 37% SW 20 G 32 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 40 10 AM Sat Jul 05 2025 51F 47F / 32% SW 19 G 32 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 41 11 AM Sat Jul 05 2025 55F 48F / 40% SSW 18 G 32 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 42 12 PM Sat Jul 05 2025 58F 50F / 34% SSW 18 G 33 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 43 01 PM Sat Jul 05 2025 60F 52F / 26% SW 17 G 34 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 44 02 PM Sat Jul 05 2025 61F 52F / 28% SW 15 G 31 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 45 03 PM Sat Jul 05 2025 62F 54F / 21% SW 15 G 30 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 46 04 PM Sat Jul 05 2025 61F 54F / 21% SW 13 G 26 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 47 05 PM Sat Jul 05 2025 63F 54F / 40% W 13 G 22 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0" 48 06 PM Sat Jul 05 2025 60F 54F / 37% WSW 13 G 22 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.01" / 0.0"