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 14-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 Mon Jul 14 2025 54F 53F / 12% W 11 G 14 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Mon Jul 14 2025 53F 53F / 11% WSW 9 G 11 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Mon Jul 14 2025 52F 51F / 13% WNW 12 G 17 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Mon Jul 14 2025 51F 51F / 13% NW 14 G 20 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Mon Jul 14 2025 51F 51F / 21% N 16 G 23 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Mon Jul 14 2025 51F 51F / 18% NE 18 G 24 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Mon Jul 14 2025 51F 51F / 21% WNW 17 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Mon Jul 14 2025 51F 51F / 23% WNW 17 G 23 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Mon Jul 14 2025 51F 51F / 21% WNW 17 G 23 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Mon Jul 14 2025 53F 52F / 23% W 18 G 22 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Mon Jul 14 2025 57F 52F / 16% W 14 G 23 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Mon Jul 14 2025 62F 53F / 17% W 13 G 23 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Mon Jul 14 2025 66F 55F / 20% W 16 G 25 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Mon Jul 14 2025 67F 56F / 22% W 17 G 27 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Mon Jul 14 2025 68F 56F / 16% WNW 17 G 28 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Mon Jul 14 2025 68F 56F / 15% WNW 18 G 29 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Mon Jul 14 2025 68F 57F / 21% W 18 G 30 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Mon Jul 14 2025 67F 56F / 19% WNW 21 G 33 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Mon Jul 14 2025 64F 56F / 13% WNW 21 G 32 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Mon Jul 14 2025 61F 55F / 18% WNW 22 G 31 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Mon Jul 14 2025 57F 53F / 22% WNW 23 G 33 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Mon Jul 14 2025 54F 53F / 24% WNW 24 G 34 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Mon Jul 14 2025 53F 52F / 21% WNW 23 G 32 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Mon Jul 14 2025 53F 52F / 25% NW 21 G 31 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Tue Jul 15 2025 53F 51F / 25% WNW 19 G 28 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Tue Jul 15 2025 52F 51F / 17% NW 18 G 24 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Tue Jul 15 2025 52F 51F / 19% W 16 G 21 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Tue Jul 15 2025 52F 51F / 23% W 16 G 21 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Tue Jul 15 2025 52F 51F / 27% W 14 G 19 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Tue Jul 15 2025 52F 51F / 33% WSW 13 G 16 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Tue Jul 15 2025 51F 50F / 30% W 15 G 18 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Tue Jul 15 2025 51F 50F / 34% SW 17 G 23 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Tue Jul 15 2025 51F 50F / 31% WSW 15 G 19 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Tue Jul 15 2025 54F 51F / 34% SW 14 G 21 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Tue Jul 15 2025 57F 52F / 29% SSW 12 G 21 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Tue Jul 15 2025 62F 54F / 23% SSW 12 G 22 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Tue Jul 15 2025 66F 57F / 21% SW 13 G 25 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Tue Jul 15 2025 69F 60F / 13% SW 14 G 25 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Tue Jul 15 2025 68F 59F / 14% SW 14 G 28 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Tue Jul 15 2025 68F 60F / 19% SW 17 G 35 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Tue Jul 15 2025 71F 61F / 12% WSW 18 G 30 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Tue Jul 15 2025 70F 59F / 17% W 24 G 40 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Tue Jul 15 2025 68F 60F / 5% WSW 22 G 38 MPH 14400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Tue Jul 15 2025 57F 53F / 61% W 26 G 41 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Tue Jul 15 2025 57F 54F / 47% W 21 G 29 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Tue Jul 15 2025 54F 52F / 49% W 18 G 30 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Tue Jul 15 2025 53F 52F / 51% W 20 G 31 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Tue Jul 15 2025 52F 51F / 52% W 19 G 29 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Wed Jul 16 2025 52F 51F / 46% W 20 G 27 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"