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 09-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 12 AM Mon Jun 09 2025 46F 44F / 63% NNE 17 G 25 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Mon Jun 09 2025 45F 44F / 56% NNE 16 G 28 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Mon Jun 09 2025 45F 44F / 52% NNE 16 G 26 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Mon Jun 09 2025 43F 43F / 54% N 16 G 24 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Mon Jun 09 2025 43F 43F / 40% NNW 13 G 17 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Mon Jun 09 2025 45F 43F / 38% ENE 13 G 18 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Mon Jun 09 2025 44F 43F / 38% ENE 12 G 16 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Mon Jun 09 2025 43F 43F / 34% NNW 11 G 15 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Mon Jun 09 2025 43F 44F / 35% NE 12 G 15 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Mon Jun 09 2025 45F 45F / 39% NW 13 G 15 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Mon Jun 09 2025 49F 45F / 41% NNW 10 G 15 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Mon Jun 09 2025 54F 46F / 43% NNW 7 G 12 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Mon Jun 09 2025 59F 49F / 23% NW 7 G 11 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Mon Jun 09 2025 62F 52F / 27% NW 7 G 12 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Mon Jun 09 2025 64F 53F / 16% NW 8 G 16 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Mon Jun 09 2025 64F 54F / 10% WNW 8 G 14 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Mon Jun 09 2025 65F 54F / 11% WNW 7 G 12 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Mon Jun 09 2025 65F 54F / 19% WNW 11 G 18 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Mon Jun 09 2025 61F 54F / 24% WNW 11 G 17 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Mon Jun 09 2025 58F 53F / 30% WNW 11 G 16 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Mon Jun 09 2025 54F 50F / 37% WNW 12 G 16 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Mon Jun 09 2025 50F 49F / 37% WNW 12 G 16 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Mon Jun 09 2025 49F 49F / 28% WNW 10 G 12 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Mon Jun 09 2025 49F 49F / 30% SW 10 G 13 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Tue Jun 10 2025 49F 48F / 31% SSW 13 G 17 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Tue Jun 10 2025 48F 47F / 35% SW 11 G 15 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Tue Jun 10 2025 48F 47F / 34% WSW 10 G 12 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Tue Jun 10 2025 47F 47F / 35% W 10 G 12 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Tue Jun 10 2025 47F 46F / 38% WNW 12 G 15 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Tue Jun 10 2025 48F 46F / 37% NW 15 G 18 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Tue Jun 10 2025 47F 46F / 31% WNW 15 G 20 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Tue Jun 10 2025 47F 45F / 32% WNW 15 G 20 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Tue Jun 10 2025 48F 46F / 26% WNW 16 G 19 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Tue Jun 10 2025 49F 47F / 39% WNW 13 G 18 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Tue Jun 10 2025 52F 48F / 30% WNW 11 G 18 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Tue Jun 10 2025 56F 49F / 30% WNW 10 G 16 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Tue Jun 10 2025 60F 52F / 26% WNW 11 G 18 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Tue Jun 10 2025 65F 56F / 16% W 11 G 18 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Tue Jun 10 2025 65F 56F / 17% W 10 G 20 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Tue Jun 10 2025 66F 58F / 25% WNW 11 G 20 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Tue Jun 10 2025 66F 57F / 24% W 15 G 25 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Tue Jun 10 2025 65F 55F / 25% W 14 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Tue Jun 10 2025 61F 55F / 24% W 12 G 20 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Tue Jun 10 2025 59F 55F / 28% W 14 G 20 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Tue Jun 10 2025 57F 54F / 35% W 14 G 20 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Tue Jun 10 2025 53F 52F / 39% W 14 G 23 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Tue Jun 10 2025 50F 50F / 39% W 16 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Tue Jun 10 2025 49F 49F / 42% W 16 G 21 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Wed Jun 11 2025 48F 48F / 39% W 14 G 22 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"