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 12Z 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 06 AM Mon Jun 09 2025 44F 43F / 38% N 13 G 17 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Mon Jun 09 2025 43F 43F / 34% NNE 10 G 13 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Mon Jun 09 2025 44F 43F / 40% E 10 G 13 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Mon Jun 09 2025 45F 44F / 46% E 9 G 11 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Mon Jun 09 2025 49F 45F / 46% E 8 G 10 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Mon Jun 09 2025 54F 46F / 53% E 5 G 8 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Mon Jun 09 2025 58F 49F / 32% NE 6 G 12 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Mon Jun 09 2025 61F 51F / 31% NW 7 G 12 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Mon Jun 09 2025 64F 53F / 15% NW 9 G 16 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Mon Jun 09 2025 65F 54F / 10% NNW 7 G 13 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Mon Jun 09 2025 64F 54F / 18% WNW 8 G 13 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Mon Jun 09 2025 64F 54F / 19% WNW 11 G 17 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Mon Jun 09 2025 61F 54F / 21% WNW 9 G 15 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Mon Jun 09 2025 58F 53F / 26% WNW 12 G 17 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Mon Jun 09 2025 54F 51F / 34% WNW 13 G 18 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Mon Jun 09 2025 50F 49F / 34% WNW 12 G 17 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Mon Jun 09 2025 49F 48F / 34% WNW 10 G 16 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Mon Jun 09 2025 49F 48F / 29% W 9 G 10 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Tue Jun 10 2025 48F 48F / 29% SW 9 G 12 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Tue Jun 10 2025 48F 47F / 29% W 10 G 13 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Tue Jun 10 2025 48F 46F / 32% WNW 11 G 16 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Tue Jun 10 2025 48F 47F / 35% WNW 11 G 13 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Tue Jun 10 2025 48F 46F / 36% WNW 12 G 15 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Tue Jun 10 2025 47F 46F / 35% WNW 14 G 19 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Tue Jun 10 2025 46F 45F / 31% WNW 14 G 18 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Tue Jun 10 2025 46F 45F / 24% WNW 15 G 19 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Tue Jun 10 2025 47F 46F / 28% WNW 15 G 20 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Tue Jun 10 2025 49F 47F / 42% WNW 14 G 18 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Tue Jun 10 2025 52F 47F / 42% WNW 10 G 14 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Tue Jun 10 2025 56F 48F / 36% WNW 8 G 14 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Tue Jun 10 2025 61F 51F / 29% WNW 8 G 16 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Tue Jun 10 2025 62F 53F / 24% WNW 10 G 18 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Tue Jun 10 2025 64F 53F / 21% W 10 G 18 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Tue Jun 10 2025 64F 54F / 27% W 9 G 17 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Tue Jun 10 2025 63F 53F / 25% W 10 G 19 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Tue Jun 10 2025 64F 54F / 26% W 11 G 17 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Tue Jun 10 2025 60F 53F / 32% W 12 G 20 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Tue Jun 10 2025 59F 55F / 21% WSW 9 G 14 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Tue Jun 10 2025 54F 52F / 32% SW 12 G 20 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Tue Jun 10 2025 51F 50F / 38% W 14 G 20 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Tue Jun 10 2025 52F 51F / 41% W 17 G 25 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Tue Jun 10 2025 50F 49F / 38% W 13 G 20 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Wed Jun 11 2025 49F 48F / 45% WSW 16 G 24 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Wed Jun 11 2025 49F 49F / 36% W 21 G 33 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Wed Jun 11 2025 50F 49F / 35% W 18 G 29 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Wed Jun 11 2025 48F 47F / 38% WSW 17 G 23 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Wed Jun 11 2025 47F 46F / 41% WSW 19 G 26 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Wed Jun 11 2025 46F 46F / 41% WSW 18 G 25 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Wed Jun 11 2025 45F 45F / 39% WSW 18 G 26 MPH 13400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"