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 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 06 PM Wed Apr 09 2025 37F 31F / 57% W 17 G 25 MPH 8700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Wed Apr 09 2025 34F 31F / 58% W 19 G 27 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Wed Apr 09 2025 32F 30F / 52% W 21 G 28 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Wed Apr 09 2025 31F 30F / 39% W 22 G 30 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Wed Apr 09 2025 31F 30F / 32% W 23 G 31 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Wed Apr 09 2025 31F 30F / 28% W 23 G 31 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Thu Apr 10 2025 31F 31F / 31% W 23 G 33 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Thu Apr 10 2025 31F 31F / 34% W 26 G 37 MPH 8000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Thu Apr 10 2025 31F 31F / 33% WNW 24 G 36 MPH 8000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Thu Apr 10 2025 31F 30F / 34% WNW 24 G 35 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Thu Apr 10 2025 31F 30F / 34% WNW 23 G 34 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Thu Apr 10 2025 30F 30F / 34% NW 22 G 31 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Thu Apr 10 2025 30F 30F / 34% WNW 20 G 27 MPH 8700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Thu Apr 10 2025 30F 31F / 36% ENE 18 G 23 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Thu Apr 10 2025 31F 32F / 32% NNW 15 G 19 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Thu Apr 10 2025 32F 33F / 29% WSW 13 G 15 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Thu Apr 10 2025 35F 35F / 25% SW 10 G 14 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Thu Apr 10 2025 39F 36F / 25% WSW 10 G 14 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Thu Apr 10 2025 42F 37F / 27% WSW 10 G 17 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Thu Apr 10 2025 45F 39F / 22% WSW 9 G 18 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Thu Apr 10 2025 48F 40F / 22% WSW 10 G 18 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Thu Apr 10 2025 49F 40F / 29% WSW 9 G 17 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Thu Apr 10 2025 48F 41F / 33% WSW 9 G 17 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Thu Apr 10 2025 47F 41F / 29% SW 10 G 18 MPH 10200 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Thu Apr 10 2025 43F 41F / 27% SW 11 G 19 MPH 10200 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Thu Apr 10 2025 42F 40F / 27% SW 12 G 22 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Thu Apr 10 2025 41F 39F / 31% SW 15 G 25 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Thu Apr 10 2025 40F 39F / 27% SW 15 G 24 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Thu Apr 10 2025 41F 39F / 26% SSW 15 G 24 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Thu Apr 10 2025 39F 39F / 29% SSW 17 G 26 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Fri Apr 11 2025 38F 39F / 24% SSW 18 G 26 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Fri Apr 11 2025 38F 39F / 22% SW 18 G 27 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Fri Apr 11 2025 39F 39F / 26% WSW 18 G 27 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Fri Apr 11 2025 39F 39F / 26% SW 18 G 27 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Fri Apr 11 2025 39F 39F / 26% SW 17 G 28 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Fri Apr 11 2025 38F 38F / 28% SSW 20 G 32 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Fri Apr 11 2025 38F 38F / 28% SSW 19 G 30 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Fri Apr 11 2025 38F 39F / 26% SSW 20 G 30 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Fri Apr 11 2025 39F 39F / 26% SSW 19 G 30 MPH 10200 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Fri Apr 11 2025 39F 39F / 27% SSW 18 G 30 MPH 10100 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Fri Apr 11 2025 40F 39F / 28% SSW 19 G 33 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Fri Apr 11 2025 43F 39F / 29% SSW 19 G 34 MPH 9900 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Fri Apr 11 2025 45F 39F / 25% SSW 20 G 34 MPH 10000 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Fri Apr 11 2025 48F 40F / 32% SSW 17 G 35 MPH 10100 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Fri Apr 11 2025 51F 41F / 31% SW 15 G 31 MPH 10300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Fri Apr 11 2025 53F 41F / 29% SW 16 G 32 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Fri Apr 11 2025 50F 41F / 26% SW 15 G 30 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Fri Apr 11 2025 47F 42F / 27% SW 15 G 32 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Fri Apr 11 2025 44F 42F / 32% SW 17 G 30 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"