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 15-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 Mon Jul 14 2025 65F 58F / 13% WNW 18 G 27 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Mon Jul 14 2025 62F 58F / 12% WNW 18 G 26 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Mon Jul 14 2025 58F 55F / 20% WNW 20 G 27 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Mon Jul 14 2025 55F 54F / 21% WNW 20 G 30 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Mon Jul 14 2025 54F 53F / 30% N 21 G 30 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Mon Jul 14 2025 52F 51F / 46% WNW 19 G 23 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Tue Jul 15 2025 52F 52F / 41% W 17 G 24 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Tue Jul 15 2025 53F 52F / 33% WNW 21 G 28 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Tue Jul 15 2025 53F 52F / 33% WNW 19 G 27 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Tue Jul 15 2025 53F 52F / 24% WNW 20 G 27 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Tue Jul 15 2025 53F 52F / 15% WNW 18 G 28 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Tue Jul 15 2025 52F 52F / 23% WSW 15 G 19 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Tue Jul 15 2025 51F 51F / 21% W 13 G 18 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Tue Jul 15 2025 51F 51F / 26% SSW 14 G 19 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Tue Jul 15 2025 52F 51F / 26% W 14 G 18 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Tue Jul 15 2025 53F 51F / 33% S 12 G 19 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Tue Jul 15 2025 57F 52F / 29% S 12 G 19 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Tue Jul 15 2025 61F 54F / 22% SSE 10 G 20 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Tue Jul 15 2025 65F 56F / 26% SW 12 G 21 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Tue Jul 15 2025 67F 58F / 25% SW 11 G 20 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Tue Jul 15 2025 69F 58F / 24% SW 13 G 24 MPH 14800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Tue Jul 15 2025 69F 59F / 15% SW 13 G 25 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Tue Jul 15 2025 69F 58F / 18% W 11 G 18 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Tue Jul 15 2025 69F 60F / 14% W 12 G 18 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Tue Jul 15 2025 60F 55F / 29% WSW 12 G 25 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Tue Jul 15 2025 61F 56F / 27% SW 15 G 27 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Tue Jul 15 2025 58F 55F / 32% SW 17 G 25 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Tue Jul 15 2025 55F 52F / 35% WSW 14 G 22 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Tue Jul 15 2025 54F 52F / 29% WSW 16 G 25 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Tue Jul 15 2025 53F 52F / 35% SW 14 G 21 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Wed Jul 16 2025 52F 51F / 31% WSW 15 G 19 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Wed Jul 16 2025 52F 50F / 43% S 16 G 27 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Wed Jul 16 2025 51F 50F / 43% S 17 G 26 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Wed Jul 16 2025 52F 50F / 43% SSW 20 G 28 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Wed Jul 16 2025 50F 49F / 44% SSW 19 G 27 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Wed Jul 16 2025 50F 49F / 50% WSW 20 G 30 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Wed Jul 16 2025 49F 48F / 52% WSW 19 G 29 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Wed Jul 16 2025 49F 48F / 62% WSW 20 G 30 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Wed Jul 16 2025 50F 50F / 55% WSW 20 G 28 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Wed Jul 16 2025 52F 51F / 55% WSW 19 G 31 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Wed Jul 16 2025 55F 49F / 56% WSW 18 G 30 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Wed Jul 16 2025 59F 51F / 55% WSW 15 G 25 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Wed Jul 16 2025 63F 54F / 47% WSW 13 G 25 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Wed Jul 16 2025 64F 55F / 38% WSW 14 G 26 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Wed Jul 16 2025 65F 56F / 35% WSW 13 G 25 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Wed Jul 16 2025 65F 57F / 36% WSW 14 G 26 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Wed Jul 16 2025 66F 57F / 42% W 14 G 25 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Wed Jul 16 2025 66F 56F / 41% W 17 G 26 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Wed Jul 16 2025 64F 57F / 43% W 17 G 26 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"