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 06Z 25-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 12 AM Fri Jul 25 2025 49F 48F / 9% SW 13 G 20 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Fri Jul 25 2025 48F 48F / 5% SW 14 G 23 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Fri Jul 25 2025 48F 47F / 11% SSW 14 G 24 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Fri Jul 25 2025 47F 47F / 12% S 13 G 23 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Fri Jul 25 2025 47F 47F / 15% SSW 15 G 24 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Fri Jul 25 2025 47F 47F / 13% SW 14 G 24 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Fri Jul 25 2025 47F 46F / 14% SW 15 G 23 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Fri Jul 25 2025 46F 46F / 12% SW 14 G 23 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Fri Jul 25 2025 48F 47F / 14% SW 14 G 22 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Fri Jul 25 2025 49F 47F / 14% SSW 12 G 20 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Fri Jul 25 2025 52F 48F / 12% SSW 9 G 20 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Fri Jul 25 2025 56F 49F / 10% SSE 9 G 20 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Fri Jul 25 2025 60F 50F / 8% S 10 G 22 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Fri Jul 25 2025 61F 51F / 10% S 10 G 22 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Fri Jul 25 2025 62F 52F / 10% S 10 G 23 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Fri Jul 25 2025 63F 53F / 11% SSW 9 G 22 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Fri Jul 25 2025 63F 53F / 12% SSW 9 G 20 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Fri Jul 25 2025 64F 54F / 9% SW 10 G 21 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Fri Jul 25 2025 61F 54F / 8% SW 11 G 21 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Fri Jul 25 2025 58F 53F / 11% SW 11 G 19 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Fri Jul 25 2025 55F 51F / 14% WSW 13 G 22 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Fri Jul 25 2025 51F 50F / 12% WSW 13 G 22 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Fri Jul 25 2025 51F 49F / 9% WSW 13 G 22 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Fri Jul 25 2025 50F 49F / 11% SW 14 G 24 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Sat Jul 26 2025 50F 49F / 2% WSW 15 G 25 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Sat Jul 26 2025 49F 48F / 1% SW 17 G 27 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Sat Jul 26 2025 48F 48F / 2% SW 17 G 25 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Sat Jul 26 2025 48F 47F / 8% SW 15 G 24 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Sat Jul 26 2025 47F 47F / 8% WSW 15 G 23 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Sat Jul 26 2025 47F 47F / 10% SW 15 G 23 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Sat Jul 26 2025 47F 47F / 12% SW 14 G 21 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Sat Jul 26 2025 47F 46F / 16% SSW 13 G 21 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Sat Jul 26 2025 48F 47F / 17% SSW 12 G 20 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Sat Jul 26 2025 49F 47F / 21% SSW 13 G 22 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Sat Jul 26 2025 52F 46F / 16% S 10 G 21 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Sat Jul 26 2025 55F 47F / 12% S 10 G 24 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Sat Jul 26 2025 58F 49F / 15% S 10 G 25 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Sat Jul 26 2025 61F 53F / 12% S 11 G 26 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Sat Jul 26 2025 62F 54F / 7% SSW 9 G 24 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Sat Jul 26 2025 64F 55F / 13% WSW 10 G 22 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Sat Jul 26 2025 64F 55F / 18% SW 11 G 24 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Sat Jul 26 2025 64F 55F / 10% SSW 12 G 26 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Sat Jul 26 2025 62F 55F / 2% SSW 14 G 26 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Sat Jul 26 2025 59F 55F / 4% SW 15 G 27 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Sat Jul 26 2025 56F 53F / 12% SW 16 G 27 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Sat Jul 26 2025 52F 50F / 14% SW 16 G 29 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Sat Jul 26 2025 51F 50F / 9% SW 15 G 27 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Sat Jul 26 2025 50F 49F / 16% SW 15 G 30 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Sun Jul 27 2025 49F 48F / 14% SSW 17 G 30 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"