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 29-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 06 AM Thu May 29 2025 41F 40F / 64% W 18 G 25 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Thu May 29 2025 42F 40F / 48% WNW 18 G 24 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Thu May 29 2025 43F 41F / 47% WNW 17 G 22 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Thu May 29 2025 45F 42F / 46% WNW 14 G 20 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Thu May 29 2025 46F 42F / 48% W 13 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Thu May 29 2025 52F 43F / 51% WNW 13 G 20 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Thu May 29 2025 55F 45F / 44% WNW 11 G 18 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Thu May 29 2025 56F 47F / 37% WNW 12 G 19 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Thu May 29 2025 59F 48F / 30% WNW 14 G 22 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Thu May 29 2025 61F 50F / 22% WNW 15 G 25 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Thu May 29 2025 60F 50F / 24% WNW 13 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Thu May 29 2025 60F 50F / 26% WNW 16 G 24 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Thu May 29 2025 56F 50F / 21% WNW 14 G 23 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Thu May 29 2025 54F 48F / 19% WNW 14 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Thu May 29 2025 49F 46F / 28% WNW 13 G 18 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Thu May 29 2025 46F 45F / 42% NW 12 G 20 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Thu May 29 2025 46F 45F / 30% WNW 15 G 22 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Thu May 29 2025 46F 45F / 41% NW 16 G 23 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Fri May 30 2025 46F 44F / 47% NW 16 G 23 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Fri May 30 2025 46F 44F / 47% NW 19 G 25 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Fri May 30 2025 45F 43F / 40% NE 19 G 26 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Fri May 30 2025 45F 43F / 31% NW 16 G 24 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Fri May 30 2025 45F 44F / 29% NW 20 G 28 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Fri May 30 2025 45F 43F / 31% W 21 G 29 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Fri May 30 2025 44F 42F / 35% NW 20 G 27 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Fri May 30 2025 43F 42F / 38% NW 19 G 26 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Fri May 30 2025 44F 42F / 40% NW 19 G 25 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Fri May 30 2025 46F 44F / 47% NW 17 G 23 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Fri May 30 2025 49F 44F / 52% NW 13 G 19 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Fri May 30 2025 53F 46F / 42% WNW 12 G 18 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Fri May 30 2025 57F 48F / 30% NW 12 G 21 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Fri May 30 2025 59F 49F / 27% WNW 13 G 21 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Fri May 30 2025 61F 50F / 24% WNW 14 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Fri May 30 2025 61F 50F / 27% WNW 12 G 21 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Fri May 30 2025 60F 51F / 24% WNW 11 G 19 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Fri May 30 2025 61F 52F / 25% WNW 13 G 19 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Fri May 30 2025 57F 51F / 28% WNW 13 G 20 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Fri May 30 2025 57F 53F / 31% WNW 13 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Fri May 30 2025 53F 52F / 36% WNW 11 G 16 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Fri May 30 2025 49F 48F / 42% WNW 11 G 17 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Fri May 30 2025 48F 48F / 49% NNW 13 G 18 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Fri May 30 2025 47F 47F / 51% N 14 G 22 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Sat May 31 2025 46F 45F / 61% ENE 16 G 24 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Sat May 31 2025 44F 46F / 66% NNE 12 G 19 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Sat May 31 2025 45F 45F / 60% E 12 G 17 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Sat May 31 2025 46F 46F / 43% S 11 G 15 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Sat May 31 2025 45F 46F / 45% SW 13 G 17 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Sat May 31 2025 47F 47F / 41% WSW 13 G 16 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Sat May 31 2025 46F 47F / 37% WSW 14 G 15 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"