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 02-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 Tue Jul 01 2025 59F 56F / 36% S 9 G 16 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Tue Jul 01 2025 55F 52F / 60% S 11 G 21 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Tue Jul 01 2025 53F 50F / 63% SSW 12 G 21 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Tue Jul 01 2025 53F 51F / 41% W 12 G 21 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Tue Jul 01 2025 54F 52F / 25% WSW 12 G 16 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Tue Jul 01 2025 51F 51F / 45% S 12 G 19 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Wed Jul 02 2025 52F 52F / 41% SSE 13 G 25 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Wed Jul 02 2025 53F 51F / 22% SSW 9 G 14 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Wed Jul 02 2025 52F 50F / 36% SSW 14 G 24 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Wed Jul 02 2025 50F 48F / 54% S 17 G 27 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Wed Jul 02 2025 49F 48F / 47% SW 17 G 29 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Wed Jul 02 2025 50F 48F / 56% WSW 16 G 26 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Wed Jul 02 2025 49F 48F / 48% W 13 G 20 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Wed Jul 02 2025 50F 48F / 44% SSW 10 G 18 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Wed Jul 02 2025 52F 49F / 41% S 11 G 22 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Wed Jul 02 2025 53F 49F / 53% S 11 G 21 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Wed Jul 02 2025 55F 50F / 52% SSE 9 G 19 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Wed Jul 02 2025 57F 51F / 45% SSE 10 G 18 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Wed Jul 02 2025 60F 52F / 42% SSE 10 G 18 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Wed Jul 02 2025 60F 52F / 40% SSW 7 G 14 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Wed Jul 02 2025 61F 53F / 45% SSE 9 G 21 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Wed Jul 02 2025 65F 56F / 34% SSE 8 G 22 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Wed Jul 02 2025 62F 54F / 36% SW 7 G 15 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Wed Jul 02 2025 55F 50F / 61% WSW 7 G 16 MPH 14000 FT 0:1 / -% 0.03" / 0.0" 0.03" / 0.0" 24 06 PM Wed Jul 02 2025 57F 52F / 57% SW 11 G 19 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 25 07 PM Wed Jul 02 2025 52F 47F / 85% SSW 11 G 20 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 26 08 PM Wed Jul 02 2025 50F 45F / 85% SSW 12 G 17 MPH 14200 FT 0:1 / -% 0.01" / 0.0" 0.04" / 0.0" 27 09 PM Wed Jul 02 2025 48F 47F / 69% SW 8 G 12 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 28 10 PM Wed Jul 02 2025 50F 47F / 56% SSE 12 G 21 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 29 11 PM Wed Jul 02 2025 48F 45F / 84% SE 12 G 22 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 30 12 AM Thu Jul 03 2025 47F 46F / 68% ENE 10 G 13 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 31 01 AM Thu Jul 03 2025 47F 46F / 70% ESE 10 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 32 02 AM Thu Jul 03 2025 47F 45F / 64% S 10 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 33 03 AM Thu Jul 03 2025 48F 45F / 61% S 10 G 15 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 34 04 AM Thu Jul 03 2025 48F 45F / 62% SW 8 G 16 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 35 05 AM Thu Jul 03 2025 48F 45F / 69% SSW 12 G 21 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 36 06 AM Thu Jul 03 2025 47F 44F / 70% SSW 11 G 19 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 37 07 AM Thu Jul 03 2025 47F 44F / 80% SSW 11 G 18 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 38 08 AM Thu Jul 03 2025 48F 45F / 80% SSW 12 G 22 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 39 09 AM Thu Jul 03 2025 48F 45F / 91% SW 13 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 40 10 AM Thu Jul 03 2025 48F 45F / 81% WSW 11 G 20 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 41 11 AM Thu Jul 03 2025 53F 47F / 83% WSW 9 G 16 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 42 12 PM Thu Jul 03 2025 56F 49F / 81% W 7 G 16 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 43 01 PM Thu Jul 03 2025 57F 50F / 61% WSW 8 G 18 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 44 02 PM Thu Jul 03 2025 58F 51F / 62% WSW 10 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 45 03 PM Thu Jul 03 2025 57F 48F / 80% WSW 11 G 22 MPH 13100 FT 0:1 / -% 0.01" / 0.0" 0.05" / 0.0" 46 04 PM Thu Jul 03 2025 59F 51F / 69% SW 9 G 19 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.05" / 0.0" 47 05 PM Thu Jul 03 2025 60F 52F / 65% WSW 9 G 16 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.05" / 0.0" 48 06 PM Thu Jul 03 2025 59F 52F / 49% WSW 12 G 20 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.05" / 0.0"