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 01-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 Jun 30 2025 64F 58F / 19% WNW 8 G 12 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Mon Jun 30 2025 61F 57F / 15% NW 10 G 14 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Mon Jun 30 2025 58F 55F / 22% WNW 9 G 13 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Mon Jun 30 2025 53F 53F / 39% ESE 11 G 18 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Mon Jun 30 2025 54F 53F / 30% E 12 G 17 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Mon Jun 30 2025 53F 53F / 33% SSE 13 G 19 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Tue Jul 01 2025 52F 53F / 39% SE 14 G 22 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Tue Jul 01 2025 52F 52F / 37% SSE 16 G 27 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Tue Jul 01 2025 52F 52F / 34% SSE 16 G 29 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Tue Jul 01 2025 52F 52F / 29% S 15 G 23 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Tue Jul 01 2025 52F 52F / 23% S 15 G 26 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Tue Jul 01 2025 53F 52F / 26% SSW 17 G 26 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Tue Jul 01 2025 49F 50F / 35% S 16 G 26 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Tue Jul 01 2025 51F 50F / 39% S 19 G 33 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Tue Jul 01 2025 53F 51F / 33% SSW 17 G 27 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Tue Jul 01 2025 53F 52F / 37% SSW 14 G 21 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Tue Jul 01 2025 57F 53F / 33% SSW 10 G 16 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Tue Jul 01 2025 61F 55F / 26% SSW 9 G 17 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Tue Jul 01 2025 64F 56F / 28% S 8 G 14 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Tue Jul 01 2025 67F 58F / 24% SSW 7 G 17 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Tue Jul 01 2025 69F 59F / 20% SW 7 G 16 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Tue Jul 01 2025 69F 59F / 13% WSW 8 G 16 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Tue Jul 01 2025 58F 53F / 35% ESE 12 G 24 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Tue Jul 01 2025 61F 54F / 34% SE 10 G 19 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Tue Jul 01 2025 58F 53F / 41% W 13 G 24 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Tue Jul 01 2025 57F 53F / 46% WSW 7 G 12 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Tue Jul 01 2025 55F 51F / 47% SW 10 G 13 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Tue Jul 01 2025 52F 51F / 50% SSW 12 G 16 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Tue Jul 01 2025 52F 50F / 46% WSW 13 G 18 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Tue Jul 01 2025 52F 50F / 42% SW 13 G 20 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Wed Jul 02 2025 52F 50F / 36% SW 13 G 18 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Wed Jul 02 2025 51F 50F / 33% SW 11 G 18 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Wed Jul 02 2025 52F 50F / 33% SSW 12 G 19 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Wed Jul 02 2025 50F 47F / 48% SSW 12 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Wed Jul 02 2025 50F 47F / 43% SSW 10 G 18 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Wed Jul 02 2025 49F 47F / 54% WSW 11 G 20 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Wed Jul 02 2025 49F 47F / 53% SW 12 G 21 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Wed Jul 02 2025 50F 49F / 53% SSW 11 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Wed Jul 02 2025 52F 51F / 48% SSW 9 G 16 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Wed Jul 02 2025 53F 51F / 49% S 9 G 16 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Wed Jul 02 2025 55F 51F / 53% SSE 6 G 13 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Wed Jul 02 2025 57F 52F / 42% S 5 G 15 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Wed Jul 02 2025 63F 55F / 40% S 6 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Wed Jul 02 2025 62F 55F / 33% SSW 8 G 21 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Wed Jul 02 2025 62F 54F / 36% SSW 11 G 24 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Wed Jul 02 2025 55F 49F / 69% SSE 13 G 24 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Wed Jul 02 2025 61F 54F / 59% WSW 11 G 22 MPH 14500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Wed Jul 02 2025 51F 47F / 88% SW 12 G 23 MPH 14600 FT 0:1 / -% 0.05" / 0.0" 0.05" / 0.0" 48 06 PM Wed Jul 02 2025 53F 48F / 82% SW 10 G 19 MPH 14500 FT 0:1 / -% 0.04" / 0.0" 0.09" / 0.0"