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 30-May-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 Fri May 30 2025 45F 44F / 39% NW 12 G 16 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Fri May 30 2025 46F 45F / 24% NW 13 G 21 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Fri May 30 2025 46F 45F / 27% NE 17 G 20 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Fri May 30 2025 46F 44F / 24% NW 15 G 20 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Fri May 30 2025 46F 44F / 24% WNW 16 G 21 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Fri May 30 2025 45F 43F / 29% WNW 14 G 21 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Fri May 30 2025 44F 43F / 27% WNW 14 G 18 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Fri May 30 2025 44F 43F / 34% W 13 G 19 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Fri May 30 2025 45F 44F / 35% W 13 G 18 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Fri May 30 2025 47F 45F / 40% W 16 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Fri May 30 2025 50F 45F / 31% W 13 G 20 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Fri May 30 2025 54F 47F / 31% W 10 G 17 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Fri May 30 2025 58F 49F / 32% W 13 G 18 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Fri May 30 2025 60F 51F / 22% WNW 14 G 22 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Fri May 30 2025 62F 52F / 21% WNW 13 G 23 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Fri May 30 2025 63F 52F / 18% WNW 15 G 23 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Fri May 30 2025 62F 52F / 19% WNW 14 G 24 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Fri May 30 2025 62F 53F / 24% WNW 15 G 24 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Fri May 30 2025 58F 52F / 28% WNW 14 G 21 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Fri May 30 2025 55F 51F / 29% WNW 13 G 19 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Fri May 30 2025 51F 48F / 32% WNW 13 G 18 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Fri May 30 2025 48F 48F / 28% W 13 G 17 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Fri May 30 2025 47F 47F / 28% W 12 G 14 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Fri May 30 2025 48F 47F / 32% W 11 G 14 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Sat May 31 2025 47F 46F / 36% WSW 12 G 14 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Sat May 31 2025 45F 45F / 50% W 14 G 17 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Sat May 31 2025 45F 45F / 51% WNW 19 G 24 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Sat May 31 2025 46F 45F / 44% NW 20 G 28 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Sat May 31 2025 45F 45F / 49% NW 20 G 29 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Sat May 31 2025 46F 45F / 50% NW 19 G 29 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Sat May 31 2025 45F 44F / 48% NW 18 G 25 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Sat May 31 2025 45F 43F / 52% WNW 18 G 24 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Sat May 31 2025 46F 44F / 46% WNW 17 G 23 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Sat May 31 2025 48F 45F / 57% WNW 16 G 22 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Sat May 31 2025 50F 46F / 75% WNW 12 G 21 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Sat May 31 2025 54F 47F / 51% WNW 13 G 21 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Sat May 31 2025 58F 49F / 41% WNW 13 G 21 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Sat May 31 2025 63F 54F / 31% WNW 13 G 20 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Sat May 31 2025 64F 54F / 30% WNW 12 G 21 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Sat May 31 2025 65F 56F / 40% WNW 15 G 24 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Sat May 31 2025 66F 56F / 30% WNW 14 G 22 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Sat May 31 2025 66F 56F / 29% WNW 14 G 22 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Sat May 31 2025 62F 55F / 18% WNW 14 G 21 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Sat May 31 2025 59F 55F / 15% WNW 15 G 20 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Sat May 31 2025 56F 54F / 23% WNW 14 G 19 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Sat May 31 2025 51F 51F / 40% NW 12 G 20 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Sat May 31 2025 50F 50F / 54% NW 14 G 21 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Sat May 31 2025 49F 50F / 53% NW 14 G 20 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Sun Jun 01 2025 49F 50F / 40% NW 14 G 19 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"