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 12Z 25-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 AM Fri Apr 25 2025 31F 29F / 68% SSE 13 G 23 MPH 9300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Fri Apr 25 2025 31F 28F / 81% SE 12 G 25 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Fri Apr 25 2025 32F 29F / 80% SE 13 G 27 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Fri Apr 25 2025 33F 29F / 77% SE 13 G 27 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Fri Apr 25 2025 35F 30F / 71% SE 11 G 27 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Fri Apr 25 2025 37F 30F / 74% SE 10 G 27 MPH 9200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Fri Apr 25 2025 40F 31F / 71% SE 10 G 27 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Fri Apr 25 2025 42F 33F / 68% SE 8 G 25 MPH 9700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Fri Apr 25 2025 44F 35F / 55% SSE 7 G 21 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Fri Apr 25 2025 45F 35F / 41% S 9 G 23 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Fri Apr 25 2025 44F 35F / 30% S 9 G 23 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Fri Apr 25 2025 43F 35F / 35% SSW 11 G 26 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Fri Apr 25 2025 41F 35F / 32% SSW 10 G 24 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Fri Apr 25 2025 38F 34F / 37% SSW 13 G 25 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Fri Apr 25 2025 38F 33F / 40% SSW 12 G 25 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Fri Apr 25 2025 37F 33F / 38% SSW 13 G 25 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Fri Apr 25 2025 35F 32F / 45% SSW 11 G 22 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Fri Apr 25 2025 34F 30F / 42% SSW 13 G 26 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Sat Apr 26 2025 33F 30F / 45% SSW 13 G 27 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Sat Apr 26 2025 32F 29F / 43% S 14 G 30 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Sat Apr 26 2025 31F 28F / 39% S 15 G 31 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Sat Apr 26 2025 31F 28F / 41% S 15 G 33 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Sat Apr 26 2025 30F 27F / 43% S 16 G 32 MPH 7700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Sat Apr 26 2025 29F 26F / 46% S 16 G 31 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Sat Apr 26 2025 28F 26F / 47% S 15 G 30 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Sat Apr 26 2025 28F 25F / 47% S 15 G 29 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Sat Apr 26 2025 29F 25F / 49% SSE 16 G 30 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Sat Apr 26 2025 31F 26F / 53% SSE 14 G 30 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Sat Apr 26 2025 33F 27F / 55% SSE 13 G 28 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Sat Apr 26 2025 36F 28F / 63% SSE 12 G 30 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Sat Apr 26 2025 39F 29F / 59% SSE 13 G 33 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Sat Apr 26 2025 40F 31F / 57% SSE 13 G 31 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Sat Apr 26 2025 41F 32F / 45% SSE 12 G 31 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Sat Apr 26 2025 42F 33F / 43% SSE 11 G 30 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Sat Apr 26 2025 43F 34F / 43% S 11 G 28 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Sat Apr 26 2025 43F 34F / 45% S 9 G 24 MPH 8900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Sat Apr 26 2025 39F 34F / 44% S 9 G 23 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Sat Apr 26 2025 37F 34F / 44% S 10 G 23 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Sat Apr 26 2025 36F 33F / 40% SSE 12 G 25 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Sat Apr 26 2025 35F 32F / 44% SSE 9 G 21 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Sat Apr 26 2025 33F 31F / 48% SE 9 G 23 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Sat Apr 26 2025 31F 28F / 57% SSE 11 G 23 MPH 8600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Sun Apr 27 2025 30F 27F / 56% SE 13 G 28 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Sun Apr 27 2025 30F 27F / 58% SE 15 G 30 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Sun Apr 27 2025 29F 26F / 60% SE 15 G 31 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Sun Apr 27 2025 28F 25F / 66% SE 15 G 33 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Sun Apr 27 2025 28F 24F / 68% SSE 17 G 33 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Sun Apr 27 2025 27F 23F / 61% SSE 17 G 36 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Sun Apr 27 2025 26F 22F / 61% SSE 16 G 32 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0"