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 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 12 AM Thu Apr 24 2025 32F 29F / 62% SSW 8 G 13 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Thu Apr 24 2025 31F 28F / 83% S 10 G 17 MPH 9200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Thu Apr 24 2025 31F 27F / 83% S 11 G 16 MPH 9300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Thu Apr 24 2025 31F 29F / 69% SSW 13 G 20 MPH 9300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Thu Apr 24 2025 33F 29F / 64% SW 15 G 23 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Thu Apr 24 2025 33F 28F / 69% SW 16 G 26 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Thu Apr 24 2025 32F 28F / 71% WSW 17 G 26 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Thu Apr 24 2025 32F 28F / 80% WSW 16 G 26 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Thu Apr 24 2025 32F 28F / 71% SW 16 G 25 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Thu Apr 24 2025 33F 28F / 75% SW 15 G 25 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Thu Apr 24 2025 34F 28F / 79% SW 12 G 23 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Thu Apr 24 2025 36F 28F / 76% SW 13 G 24 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Thu Apr 24 2025 38F 29F / 77% SW 12 G 21 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Thu Apr 24 2025 39F 30F / 76% SW 12 G 22 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Thu Apr 24 2025 41F 31F / 77% WSW 9 G 18 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Thu Apr 24 2025 34F 28F / 86% W 20 G 32 MPH 9700 FT 7:1 / 14% 0.01" / 0.1" 0.01" / 0.1" 16 04 PM Thu Apr 24 2025 39F 31F / 78% WSW 12 G 22 MPH 9700 FT 10:1 / 10% 0.09" / 0.9" 0.10" / 1.0" 17 05 PM Thu Apr 24 2025 38F 31F / 82% W 9 G 15 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.10" / 1.0" 18 06 PM Thu Apr 24 2025 39F 32F / 87% W 11 G 18 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.10" / 1.0" 19 07 PM Thu Apr 24 2025 38F 32F / 86% W 9 G 15 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.10" / 1.0" 20 08 PM Thu Apr 24 2025 36F 29F / 100% WNW 15 G 23 MPH 9700 FT 10:1 / 10% 0.01" / 0.1" 0.11" / 1.1" 21 09 PM Thu Apr 24 2025 31F 30F / 73% SW 15 G 26 MPH 9500 FT 9:1 / 11% 0.06" / 0.5" 0.17" / 1.6" 22 10 PM Thu Apr 24 2025 32F 31F / 62% S 14 G 21 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 23 11 PM Thu Apr 24 2025 34F 32F / 54% S 14 G 23 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.17" / 1.6" 24 12 AM Fri Apr 25 2025 34F 32F / 55% S 15 G 24 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.17" / 1.6" 25 01 AM Fri Apr 25 2025 34F 32F / 52% S 15 G 25 MPH 9600 FT 8:1 / 12% 0.00" / 0.0" 0.17" / 1.6" 26 02 AM Fri Apr 25 2025 34F 31F / 62% SE 14 G 25 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.17" / 1.6" 27 03 AM Fri Apr 25 2025 33F 30F / 76% SE 15 G 29 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 28 04 AM Fri Apr 25 2025 33F 29F / 82% SE 16 G 30 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 29 05 AM Fri Apr 25 2025 33F 29F / 81% SSE 16 G 28 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 30 06 AM Fri Apr 25 2025 33F 29F / 83% SSE 15 G 27 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 31 07 AM Fri Apr 25 2025 33F 29F / 73% SSE 14 G 28 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 32 08 AM Fri Apr 25 2025 34F 30F / 75% SSE 14 G 28 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 33 09 AM Fri Apr 25 2025 35F 30F / 78% SE 12 G 28 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 34 10 AM Fri Apr 25 2025 37F 30F / 80% SE 11 G 26 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 35 11 AM Fri Apr 25 2025 39F 31F / 79% SE 10 G 26 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 36 12 PM Fri Apr 25 2025 42F 33F / 80% SE 11 G 29 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 37 01 PM Fri Apr 25 2025 44F 37F / 68% SE 8 G 26 MPH 9300 FT 10:1 / 10% 0.00" / 0.0" 0.17" / 1.6" 38 02 PM Fri Apr 25 2025 46F 38F / 53% SSE 8 G 24 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 39 03 PM Fri Apr 25 2025 46F 38F / 39% S 9 G 25 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 40 04 PM Fri Apr 25 2025 46F 38F / 44% S 10 G 26 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 41 05 PM Fri Apr 25 2025 47F 39F / 42% SSW 12 G 25 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 42 06 PM Fri Apr 25 2025 44F 38F / 45% S 14 G 28 MPH 9700 FT 8:1 / 12% 0.00" / 0.0" 0.17" / 1.6" 43 07 PM Fri Apr 25 2025 41F 37F / 54% SSW 14 G 28 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.17" / 1.6" 44 08 PM Fri Apr 25 2025 38F 35F / 47% SSW 13 G 27 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 45 09 PM Fri Apr 25 2025 36F 34F / 44% S 13 G 29 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.17" / 1.6" 46 10 PM Fri Apr 25 2025 36F 33F / 51% SSE 13 G 26 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 47 11 PM Fri Apr 25 2025 35F 33F / 51% S 11 G 28 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6" 48 12 AM Sat Apr 26 2025 35F 32F / 50% SSE 12 G 27 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.17" / 1.6"