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 30-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 Sun Jun 29 2025 62F 56F / 32% W 13 G 20 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sun Jun 29 2025 59F 55F / 32% W 13 G 19 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sun Jun 29 2025 55F 52F / 46% W 15 G 20 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sun Jun 29 2025 52F 51F / 36% WNW 16 G 22 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sun Jun 29 2025 51F 50F / 22% WNW 15 G 21 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sun Jun 29 2025 50F 50F / 37% WNW 15 G 22 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Mon Jun 30 2025 48F 49F / 45% ESE 13 G 19 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Mon Jun 30 2025 48F 49F / 38% NW 14 G 20 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Mon Jun 30 2025 48F 49F / 37% N 15 G 22 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Mon Jun 30 2025 49F 49F / 30% N 16 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Mon Jun 30 2025 49F 49F / 25% N 14 G 21 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Mon Jun 30 2025 50F 49F / 26% NW 15 G 22 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Mon Jun 30 2025 49F 48F / 30% NW 12 G 17 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Mon Jun 30 2025 49F 48F / 35% WNW 12 G 17 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Mon Jun 30 2025 50F 49F / 28% W 12 G 16 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Mon Jun 30 2025 51F 49F / 32% SSE 12 G 18 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Mon Jun 30 2025 54F 50F / 28% SSE 11 G 17 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Mon Jun 30 2025 59F 52F / 18% S 8 G 14 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Mon Jun 30 2025 63F 54F / 19% SW 8 G 13 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Mon Jun 30 2025 65F 56F / 20% WNW 9 G 15 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Mon Jun 30 2025 67F 57F / 19% WNW 8 G 14 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Mon Jun 30 2025 68F 58F / 16% WNW 12 G 22 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Mon Jun 30 2025 67F 58F / 15% WNW 10 G 16 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Mon Jun 30 2025 68F 58F / 16% WNW 12 G 19 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Mon Jun 30 2025 63F 58F / 16% WNW 10 G 16 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Mon Jun 30 2025 61F 56F / 23% WSW 8 G 11 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Mon Jun 30 2025 58F 54F / 29% W 13 G 17 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Mon Jun 30 2025 54F 53F / 32% W 13 G 16 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Mon Jun 30 2025 54F 53F / 25% SSW 13 G 18 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Mon Jun 30 2025 53F 53F / 32% S 13 G 18 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Tue Jul 01 2025 52F 52F / 26% SSW 14 G 18 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Tue Jul 01 2025 53F 53F / 21% SW 14 G 21 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Tue Jul 01 2025 52F 51F / 31% S 14 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Tue Jul 01 2025 52F 51F / 29% S 15 G 21 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Tue Jul 01 2025 52F 51F / 26% SSW 13 G 19 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Tue Jul 01 2025 52F 51F / 29% WSW 13 G 19 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Tue Jul 01 2025 52F 51F / 26% SSW 13 G 18 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Tue Jul 01 2025 51F 52F / 28% SW 14 G 19 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Tue Jul 01 2025 51F 52F / 30% SSW 15 G 21 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Tue Jul 01 2025 53F 54F / 28% S 14 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Tue Jul 01 2025 57F 54F / 33% SSW 14 G 26 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Tue Jul 01 2025 62F 55F / 23% S 11 G 21 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Tue Jul 01 2025 67F 58F / 18% S 10 G 18 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Tue Jul 01 2025 67F 60F / 12% SSW 9 G 21 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Tue Jul 01 2025 68F 59F / 15% SW 10 G 20 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Tue Jul 01 2025 68F 61F / 11% SW 11 G 20 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Tue Jul 01 2025 68F 59F / 20% WSW 11 G 21 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Tue Jul 01 2025 60F 53F / 46% SW 11 G 23 MPH 14200 FT 0:1 / -% 0.01" / 0.0" 0.01" / 0.0" 48 06 PM Tue Jul 01 2025 59F 54F / 50% WSW 10 G 17 MPH 14300 FT 0:1 / -% 0.01" / 0.0" 0.02" / 0.0"