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 24-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 23 2025 41F 34F / 55% SSW 10 G 21 MPH 9700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Wed Apr 23 2025 39F 34F / 50% S 12 G 27 MPH 9800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Wed Apr 23 2025 36F 32F / 69% SW 9 G 17 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Wed Apr 23 2025 35F 31F / 65% SSW 10 G 19 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Wed Apr 23 2025 34F 31F / 56% S 13 G 25 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Wed Apr 23 2025 34F 31F / 53% S 11 G 20 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Thu Apr 24 2025 33F 31F / 55% S 11 G 18 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Thu Apr 24 2025 32F 30F / 68% S 10 G 18 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Thu Apr 24 2025 31F 28F / 81% S 11 G 17 MPH 9300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Thu Apr 24 2025 31F 28F / 76% WSW 14 G 21 MPH 9300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Thu Apr 24 2025 32F 28F / 73% W 15 G 23 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Thu Apr 24 2025 32F 28F / 79% WSW 12 G 18 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Thu Apr 24 2025 32F 28F / 74% WSW 15 G 22 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Thu Apr 24 2025 32F 28F / 77% WSW 14 G 20 MPH 9200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Thu Apr 24 2025 32F 27F / 84% SW 16 G 24 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Thu Apr 24 2025 33F 27F / 85% SW 15 G 25 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Thu Apr 24 2025 34F 28F / 78% WSW 14 G 23 MPH 9100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Thu Apr 24 2025 37F 29F / 80% WSW 13 G 23 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Thu Apr 24 2025 38F 29F / 82% SW 13 G 22 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Thu Apr 24 2025 40F 31F / 82% SW 12 G 21 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Thu Apr 24 2025 41F 31F / 69% SW 16 G 28 MPH 9700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Thu Apr 24 2025 41F 32F / 76% SW 12 G 27 MPH 9800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Thu Apr 24 2025 41F 32F / 70% SW 19 G 34 MPH 9800 FT 6:1 / 17% 0.02" / 0.1" 0.02" / 0.1" 23 05 PM Thu Apr 24 2025 41F 33F / 89% WSW 7 G 12 MPH 9600 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.1" 24 06 PM Thu Apr 24 2025 36F 30F / 87% SW 6 G 13 MPH 9800 FT 8:1 / 12% 0.01" / 0.1" 0.03" / 0.2" 25 07 PM Thu Apr 24 2025 36F 31F / 81% W 12 G 20 MPH 9600 FT 10:1 / 10% 0.02" / 0.2" 0.05" / 0.4" 26 08 PM Thu Apr 24 2025 35F 30F / 77% W 14 G 21 MPH 9800 FT 8:1 / 12% 0.00" / 0.0" 0.05" / 0.4" 27 09 PM Thu Apr 24 2025 34F 30F / 74% W 14 G 23 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.05" / 0.4" 28 10 PM Thu Apr 24 2025 34F 31F / 56% SSW 11 G 18 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.05" / 0.4" 29 11 PM Thu Apr 24 2025 33F 31F / 62% S 11 G 18 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.05" / 0.4" 30 12 AM Fri Apr 25 2025 33F 31F / 56% S 14 G 22 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.05" / 0.4" 31 01 AM Fri Apr 25 2025 34F 32F / 54% SSE 14 G 25 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.05" / 0.4" 32 02 AM Fri Apr 25 2025 34F 30F / 71% SE 14 G 27 MPH 9600 FT 8:1 / 12% 0.00" / 0.0" 0.05" / 0.4" 33 03 AM Fri Apr 25 2025 33F 29F / 71% SE 16 G 28 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.05" / 0.4" 34 04 AM Fri Apr 25 2025 33F 29F / 81% SE 15 G 30 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 35 05 AM Fri Apr 25 2025 33F 29F / 78% SE 15 G 28 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 36 06 AM Fri Apr 25 2025 33F 30F / 82% SSE 14 G 26 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 37 07 AM Fri Apr 25 2025 34F 31F / 74% SE 13 G 26 MPH 8600 FT 10:1 / 10% 0.00" / 0.0" 0.05" / 0.4" 38 08 AM Fri Apr 25 2025 34F 31F / 73% SE 14 G 28 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 39 09 AM Fri Apr 25 2025 35F 32F / 75% SE 15 G 28 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 40 10 AM Fri Apr 25 2025 37F 33F / 74% SE 13 G 28 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 41 11 AM Fri Apr 25 2025 40F 33F / 81% SE 12 G 31 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.05" / 0.4" 42 12 PM Fri Apr 25 2025 43F 35F / 75% SE 12 G 31 MPH 9600 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 43 01 PM Fri Apr 25 2025 44F 37F / 68% SE 10 G 26 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 44 02 PM Fri Apr 25 2025 45F 36F / 50% SSE 9 G 24 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 45 03 PM Fri Apr 25 2025 46F 37F / 36% S 10 G 28 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 46 04 PM Fri Apr 25 2025 46F 38F / 42% S 10 G 25 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 47 05 PM Fri Apr 25 2025 45F 38F / 40% S 9 G 25 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.05" / 0.4" 48 06 PM Fri Apr 25 2025 44F 38F / 46% S 11 G 26 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.05" / 0.4"