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 10-Apr-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 Apr 10 2025 30F 30F / 37% WNW 22 G 29 MPH 8300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Thu Apr 10 2025 30F 30F / 34% W 22 G 30 MPH 8200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Thu Apr 10 2025 30F 31F / 32% WNW 23 G 31 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Thu Apr 10 2025 30F 31F / 32% WNW 22 G 31 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Thu Apr 10 2025 30F 30F / 33% WNW 22 G 30 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Thu Apr 10 2025 30F 31F / 30% WNW 19 G 26 MPH 8200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Thu Apr 10 2025 30F 31F / 30% WNW 18 G 23 MPH 8300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Thu Apr 10 2025 30F 31F / 27% WNW 16 G 21 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Thu Apr 10 2025 31F 32F / 26% WNW 15 G 19 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Thu Apr 10 2025 32F 33F / 28% W 13 G 15 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Thu Apr 10 2025 35F 35F / 24% WSW 10 G 12 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Thu Apr 10 2025 39F 37F / 22% WSW 10 G 15 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Thu Apr 10 2025 42F 38F / 23% WSW 11 G 18 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Thu Apr 10 2025 45F 39F / 21% SW 11 G 18 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Thu Apr 10 2025 48F 40F / 20% WSW 10 G 19 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Thu Apr 10 2025 49F 40F / 26% SW 10 G 18 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Thu Apr 10 2025 49F 41F / 30% SW 9 G 18 MPH 9900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Thu Apr 10 2025 47F 41F / 26% SW 11 G 21 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Thu Apr 10 2025 44F 41F / 29% SW 11 G 19 MPH 10200 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Thu Apr 10 2025 43F 40F / 30% WSW 13 G 21 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Thu Apr 10 2025 41F 40F / 32% WSW 13 G 22 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Thu Apr 10 2025 40F 40F / 29% SW 14 G 22 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Thu Apr 10 2025 40F 39F / 26% SSW 16 G 25 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Thu Apr 10 2025 40F 39F / 22% SSW 18 G 28 MPH 10100 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Fri Apr 11 2025 40F 39F / 21% SSW 17 G 27 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Fri Apr 11 2025 39F 39F / 22% SW 18 G 27 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Fri Apr 11 2025 39F 39F / 24% WSW 17 G 25 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Fri Apr 11 2025 39F 39F / 24% SW 17 G 25 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Fri Apr 11 2025 39F 39F / 26% SW 18 G 28 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Fri Apr 11 2025 38F 39F / 27% SW 20 G 30 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Fri Apr 11 2025 38F 38F / 27% SW 18 G 28 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Fri Apr 11 2025 38F 37F / 29% SSW 18 G 28 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Fri Apr 11 2025 38F 38F / 27% SSW 18 G 29 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Fri Apr 11 2025 39F 38F / 32% SSW 18 G 28 MPH 10100 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Fri Apr 11 2025 40F 38F / 29% SSW 17 G 31 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Fri Apr 11 2025 43F 39F / 25% SSW 16 G 31 MPH 9900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Fri Apr 11 2025 47F 40F / 29% S 17 G 34 MPH 10100 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Fri Apr 11 2025 48F 40F / 29% SSW 17 G 34 MPH 10200 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Fri Apr 11 2025 51F 41F / 33% SSW 15 G 30 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Fri Apr 11 2025 53F 42F / 28% SW 15 G 30 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Fri Apr 11 2025 51F 42F / 32% SW 15 G 30 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Fri Apr 11 2025 49F 41F / 30% SW 16 G 30 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Fri Apr 11 2025 45F 42F / 24% SW 16 G 28 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Fri Apr 11 2025 45F 43F / 30% SW 16 G 27 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Fri Apr 11 2025 43F 42F / 29% SW 17 G 31 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Fri Apr 11 2025 42F 41F / 26% SSW 19 G 33 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Fri Apr 11 2025 42F 41F / 24% SW 20 G 36 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Fri Apr 11 2025 42F 41F / 26% SSW 21 G 41 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Sat Apr 12 2025 42F 41F / 25% SSW 22 G 40 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"