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 10-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 Thu Jul 10 2025 46F 44F / 47% NNW 22 G 36 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Thu Jul 10 2025 45F 44F / 62% N 19 G 30 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Thu Jul 10 2025 48F 45F / 60% NE 14 G 22 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Thu Jul 10 2025 49F 47F / 53% NW 9 G 15 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Thu Jul 10 2025 52F 47F / 53% W 9 G 13 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Thu Jul 10 2025 56F 48F / 60% WNW 9 G 16 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Thu Jul 10 2025 59F 50F / 56% WNW 9 G 18 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Thu Jul 10 2025 60F 51F / 53% WNW 9 G 21 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Thu Jul 10 2025 63F 52F / 42% WNW 13 G 24 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Thu Jul 10 2025 63F 53F / 42% WNW 14 G 26 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Thu Jul 10 2025 63F 54F / 40% WNW 15 G 24 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Thu Jul 10 2025 63F 54F / 36% WNW 17 G 26 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Thu Jul 10 2025 60F 54F / 37% WNW 14 G 25 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Thu Jul 10 2025 57F 52F / 35% WNW 15 G 23 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Thu Jul 10 2025 53F 50F / 35% WNW 15 G 23 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Thu Jul 10 2025 50F 48F / 39% WNW 16 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Thu Jul 10 2025 49F 48F / 37% WNW 16 G 25 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Thu Jul 10 2025 49F 47F / 39% WNW 17 G 25 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Fri Jul 11 2025 49F 47F / 40% NW 16 G 25 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Fri Jul 11 2025 48F 46F / 37% WNW 19 G 25 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Fri Jul 11 2025 48F 46F / 35% WNW 21 G 32 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Fri Jul 11 2025 48F 46F / 34% WNW 21 G 31 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Fri Jul 11 2025 48F 46F / 29% WNW 24 G 34 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Fri Jul 11 2025 47F 46F / 26% WNW 25 G 36 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Fri Jul 11 2025 47F 45F / 29% WNW 24 G 36 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Fri Jul 11 2025 46F 45F / 31% WNW 23 G 33 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Fri Jul 11 2025 48F 45F / 34% WNW 23 G 33 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Fri Jul 11 2025 49F 46F / 38% WNW 21 G 27 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Fri Jul 11 2025 52F 47F / 39% WNW 15 G 22 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Fri Jul 11 2025 56F 48F / 39% WNW 13 G 23 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Fri Jul 11 2025 58F 49F / 44% WNW 13 G 24 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Fri Jul 11 2025 60F 50F / 50% WNW 14 G 24 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Fri Jul 11 2025 62F 51F / 40% WNW 15 G 26 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Fri Jul 11 2025 62F 51F / 40% WNW 13 G 25 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Fri Jul 11 2025 62F 52F / 37% WNW 14 G 24 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Fri Jul 11 2025 62F 53F / 34% WNW 13 G 22 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Fri Jul 11 2025 58F 52F / 38% W 14 G 23 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Fri Jul 11 2025 58F 54F / 37% W 16 G 24 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Fri Jul 11 2025 54F 53F / 37% WNW 15 G 22 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Fri Jul 11 2025 50F 50F / 45% WNW 16 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Fri Jul 11 2025 50F 49F / 52% NW 20 G 28 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Fri Jul 11 2025 49F 48F / 52% W 19 G 29 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Sat Jul 12 2025 49F 48F / 54% NW 21 G 31 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Sat Jul 12 2025 48F 48F / 55% NW 20 G 30 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Sat Jul 12 2025 47F 46F / 61% N 23 G 30 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Sat Jul 12 2025 46F 46F / 54% W 22 G 29 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Sat Jul 12 2025 46F 46F / 55% WNW 23 G 28 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Sat Jul 12 2025 47F 47F / 54% NW 22 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Sat Jul 12 2025 46F 47F / 54% W 20 G 22 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"