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 11-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 Fri Apr 11 2025 38F 39F / 24% SSW 16 G 24 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Fri Apr 11 2025 39F 39F / 21% SW 17 G 26 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Fri Apr 11 2025 39F 39F / 22% SW 17 G 25 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Fri Apr 11 2025 38F 39F / 26% SW 17 G 26 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Fri Apr 11 2025 39F 39F / 23% SW 18 G 28 MPH 10200 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Fri Apr 11 2025 39F 38F / 23% SW 19 G 30 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Fri Apr 11 2025 38F 38F / 26% SSW 19 G 30 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Fri Apr 11 2025 38F 38F / 27% SSW 18 G 29 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Fri Apr 11 2025 38F 38F / 28% SW 18 G 29 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Fri Apr 11 2025 39F 38F / 30% SW 19 G 29 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Fri Apr 11 2025 40F 39F / 31% SSW 17 G 31 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Fri Apr 11 2025 43F 39F / 30% S 18 G 34 MPH 9900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Fri Apr 11 2025 47F 41F / 30% S 16 G 33 MPH 10100 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Fri Apr 11 2025 50F 41F / 30% S 15 G 32 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Fri Apr 11 2025 51F 41F / 31% SSW 13 G 28 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Fri Apr 11 2025 52F 42F / 28% SSW 14 G 30 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Fri Apr 11 2025 52F 43F / 29% SSW 15 G 31 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Fri Apr 11 2025 49F 43F / 28% SW 16 G 33 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Fri Apr 11 2025 45F 43F / 24% SW 17 G 33 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Fri Apr 11 2025 45F 43F / 21% SW 17 G 33 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Fri Apr 11 2025 43F 42F / 19% SW 19 G 34 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Fri Apr 11 2025 42F 42F / 18% SW 20 G 35 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Fri Apr 11 2025 42F 41F / 15% SSW 21 G 39 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Fri Apr 11 2025 41F 40F / 17% SSW 24 G 43 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Sat Apr 12 2025 41F 40F / 20% SW 24 G 46 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Sat Apr 12 2025 40F 40F / 23% SW 27 G 47 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Sat Apr 12 2025 40F 40F / 24% SW 26 G 46 MPH 10100 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Sat Apr 12 2025 39F 39F / 23% SW 26 G 45 MPH 9900 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Sat Apr 12 2025 39F 38F / 25% SW 26 G 46 MPH 9800 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Sat Apr 12 2025 38F 37F / 27% SW 26 G 45 MPH 9700 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Sat Apr 12 2025 38F 37F / 26% SW 26 G 44 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Sat Apr 12 2025 37F 36F / 26% SW 27 G 45 MPH 9300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Sat Apr 12 2025 36F 35F / 29% SW 25 G 43 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Sat Apr 12 2025 36F 35F / 31% SW 24 G 40 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Sat Apr 12 2025 38F 35F / 29% WSW 20 G 36 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Sat Apr 12 2025 41F 35F / 31% SW 19 G 34 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Sat Apr 12 2025 43F 36F / 31% SW 17 G 32 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Sat Apr 12 2025 46F 38F / 31% SW 17 G 31 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Sat Apr 12 2025 47F 38F / 44% SW 12 G 23 MPH 9300 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Sat Apr 12 2025 48F 38F / 44% SW 11 G 25 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Sat Apr 12 2025 46F 37F / 51% WSW 12 G 24 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Sat Apr 12 2025 44F 36F / 55% W 13 G 23 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Sat Apr 12 2025 40F 36F / 55% W 15 G 24 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Sat Apr 12 2025 37F 34F / 57% W 17 G 27 MPH 9200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Sat Apr 12 2025 35F 32F / 53% W 15 G 27 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Sat Apr 12 2025 35F 33F / 57% W 14 G 25 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Sat Apr 12 2025 30F 28F / 73% SSW 17 G 27 MPH 9100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Sat Apr 12 2025 29F 28F / 74% SSE 16 G 25 MPH 8800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Sun Apr 13 2025 28F 27F / 70% S 17 G 26 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"