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 00Z 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 06 PM Thu Apr 10 2025 43F 40F / 24% SSW 9 G 16 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Thu Apr 10 2025 42F 40F / 19% SSW 10 G 17 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Thu Apr 10 2025 41F 39F / 22% S 12 G 21 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Thu Apr 10 2025 40F 39F / 21% S 14 G 23 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Thu Apr 10 2025 40F 39F / 19% S 16 G 26 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Thu Apr 10 2025 39F 39F / 25% SSW 17 G 27 MPH 10100 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Fri Apr 11 2025 39F 39F / 25% SSW 18 G 28 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Fri Apr 11 2025 39F 39F / 22% SW 19 G 29 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Fri Apr 11 2025 40F 40F / 23% SW 18 G 29 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Fri Apr 11 2025 40F 39F / 25% SW 19 G 29 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Fri Apr 11 2025 40F 40F / 22% SW 20 G 31 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Fri Apr 11 2025 39F 39F / 25% SW 21 G 33 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Fri Apr 11 2025 39F 39F / 30% SW 21 G 32 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Fri Apr 11 2025 39F 39F / 31% SW 20 G 31 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Fri Apr 11 2025 39F 39F / 29% SW 19 G 30 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Fri Apr 11 2025 39F 38F / 31% SW 19 G 30 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Fri Apr 11 2025 40F 39F / 32% SSW 17 G 30 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Fri Apr 11 2025 43F 39F / 29% SSW 16 G 33 MPH 10100 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Fri Apr 11 2025 47F 40F / 32% SSW 16 G 33 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Fri Apr 11 2025 49F 41F / 31% SSW 14 G 30 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Fri Apr 11 2025 51F 41F / 36% SSW 14 G 29 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Fri Apr 11 2025 52F 42F / 29% SSW 14 G 29 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Fri Apr 11 2025 51F 42F / 28% SSW 16 G 32 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Fri Apr 11 2025 50F 42F / 29% SSW 16 G 32 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Fri Apr 11 2025 45F 43F / 25% SW 18 G 34 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Fri Apr 11 2025 44F 42F / 23% SW 17 G 35 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Fri Apr 11 2025 43F 42F / 23% SW 20 G 35 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Fri Apr 11 2025 42F 41F / 20% SW 20 G 37 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Fri Apr 11 2025 42F 41F / 20% SW 22 G 37 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Fri Apr 11 2025 41F 40F / 19% SW 22 G 40 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Sat Apr 12 2025 40F 40F / 21% SW 24 G 42 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Sat Apr 12 2025 40F 40F / 21% SW 24 G 44 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Sat Apr 12 2025 40F 39F / 26% SW 26 G 45 MPH 10300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Sat Apr 12 2025 40F 39F / 24% SW 27 G 45 MPH 10200 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Sat Apr 12 2025 39F 38F / 28% SW 26 G 44 MPH 10000 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Sat Apr 12 2025 38F 38F / 27% SW 26 G 43 MPH 9800 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Sat Apr 12 2025 37F 37F / 27% SW 26 G 44 MPH 9600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Sat Apr 12 2025 37F 37F / 27% SW 26 G 43 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Sat Apr 12 2025 36F 36F / 30% SW 25 G 42 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Sat Apr 12 2025 37F 36F / 29% SW 25 G 42 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Sat Apr 12 2025 39F 36F / 31% SW 24 G 42 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Sat Apr 12 2025 41F 35F / 32% SW 21 G 41 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Sat Apr 12 2025 44F 37F / 31% SW 18 G 36 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Sat Apr 12 2025 46F 38F / 34% SW 18 G 33 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Sat Apr 12 2025 47F 38F / 45% SW 12 G 25 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Sat Apr 12 2025 48F 38F / 47% SW 13 G 27 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Sat Apr 12 2025 46F 38F / 50% SW 12 G 25 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Sat Apr 12 2025 45F 38F / 50% W 14 G 23 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Sat Apr 12 2025 42F 37F / 56% W 14 G 25 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0"