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 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 12 AM Thu May 29 2025 44F 42F / 50% NNW 12 G 16 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Thu May 29 2025 44F 42F / 38% WNW 12 G 15 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Thu May 29 2025 44F 42F / 37% WNW 13 G 15 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Thu May 29 2025 42F 41F / 42% W 13 G 18 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Thu May 29 2025 43F 41F / 41% WSW 14 G 20 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Thu May 29 2025 43F 40F / 42% WSW 14 G 20 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Thu May 29 2025 42F 41F / 41% W 15 G 21 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Thu May 29 2025 43F 41F / 43% W 15 G 22 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Thu May 29 2025 44F 42F / 39% W 16 G 22 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Thu May 29 2025 45F 42F / 48% WNW 16 G 20 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Thu May 29 2025 48F 42F / 67% WNW 11 G 16 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Thu May 29 2025 52F 44F / 48% WNW 10 G 17 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Thu May 29 2025 55F 45F / 42% WNW 12 G 17 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Thu May 29 2025 57F 47F / 34% WNW 12 G 19 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Thu May 29 2025 59F 49F / 29% WNW 12 G 20 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Thu May 29 2025 59F 48F / 26% WNW 16 G 26 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Thu May 29 2025 60F 49F / 24% WNW 13 G 21 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Thu May 29 2025 60F 49F / 23% WNW 15 G 24 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Thu May 29 2025 56F 48F / 26% WNW 15 G 23 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Thu May 29 2025 53F 48F / 28% WNW 16 G 22 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Thu May 29 2025 50F 46F / 38% WNW 14 G 19 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Thu May 29 2025 46F 45F / 43% WNW 15 G 20 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Thu May 29 2025 46F 44F / 43% WNW 14 G 22 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Thu May 29 2025 46F 44F / 44% NW 16 G 24 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Fri May 30 2025 46F 44F / 42% NW 20 G 27 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Fri May 30 2025 45F 44F / 39% NE 19 G 23 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Fri May 30 2025 45F 44F / 38% NW 21 G 29 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Fri May 30 2025 45F 44F / 34% NW 20 G 29 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Fri May 30 2025 44F 43F / 40% NW 21 G 31 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Fri May 30 2025 44F 43F / 41% NW 21 G 31 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Fri May 30 2025 43F 43F / 37% NW 22 G 31 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Fri May 30 2025 43F 42F / 41% NNE 22 G 31 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Fri May 30 2025 44F 43F / 36% NW 21 G 27 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Fri May 30 2025 46F 43F / 47% NW 18 G 27 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Fri May 30 2025 48F 43F / 53% NW 14 G 23 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Fri May 30 2025 52F 45F / 32% NW 11 G 20 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Fri May 30 2025 56F 48F / 33% NW 12 G 21 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Fri May 30 2025 61F 53F / 18% WNW 11 G 19 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Fri May 30 2025 59F 51F / 20% WNW 10 G 21 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Fri May 30 2025 62F 53F / 31% WNW 12 G 20 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Fri May 30 2025 61F 53F / 25% WNW 17 G 27 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Fri May 30 2025 62F 53F / 28% NW 13 G 21 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Fri May 30 2025 59F 53F / 27% W 12 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Fri May 30 2025 57F 53F / 35% NW 15 G 22 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Fri May 30 2025 54F 51F / 42% NW 14 G 20 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Fri May 30 2025 49F 49F / 36% NW 13 G 22 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Fri May 30 2025 48F 48F / 44% NNW 14 G 23 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Fri May 30 2025 47F 48F / 50% NNE 16 G 23 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Sat May 31 2025 46F 46F / 50% NE 15 G 23 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"