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 23-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 Wed Apr 23 2025 34F 32F / 30% SW 15 G 25 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Wed Apr 23 2025 34F 32F / 29% SSW 15 G 25 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Wed Apr 23 2025 35F 32F / 30% SSW 16 G 28 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Wed Apr 23 2025 35F 31F / 32% S 18 G 31 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Wed Apr 23 2025 32F 30F / 38% S 19 G 32 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Wed Apr 23 2025 32F 30F / 38% SSW 21 G 35 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Wed Apr 23 2025 31F 30F / 42% SSW 19 G 33 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Wed Apr 23 2025 31F 29F / 47% SSW 19 G 34 MPH 8500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Wed Apr 23 2025 31F 30F / 45% SSW 20 G 32 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Wed Apr 23 2025 33F 30F / 47% SSW 19 G 31 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Wed Apr 23 2025 35F 30F / 49% SSW 16 G 30 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Wed Apr 23 2025 37F 31F / 47% SSW 16 G 30 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Wed Apr 23 2025 39F 31F / 46% SSW 16 G 29 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Wed Apr 23 2025 42F 33F / 47% SSW 14 G 27 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Wed Apr 23 2025 44F 34F / 43% SW 16 G 31 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Wed Apr 23 2025 44F 34F / 39% SW 17 G 32 MPH 9300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Wed Apr 23 2025 44F 35F / 44% SW 13 G 27 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Wed Apr 23 2025 44F 35F / 40% SW 14 G 27 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Wed Apr 23 2025 41F 34F / 56% SW 7 G 13 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Wed Apr 23 2025 39F 33F / 65% WNW 16 G 24 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Wed Apr 23 2025 36F 31F / 63% W 9 G 15 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Wed Apr 23 2025 35F 32F / 55% SSW 12 G 20 MPH 9200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Wed Apr 23 2025 34F 30F / 62% WNW 10 G 18 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Wed Apr 23 2025 33F 30F / 65% WNW 9 G 14 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Thu Apr 24 2025 32F 29F / 64% SW 9 G 13 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Thu Apr 24 2025 32F 29F / 67% WSW 10 G 14 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Thu Apr 24 2025 32F 29F / 57% SW 12 G 18 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Thu Apr 24 2025 32F 29F / 59% SW 10 G 14 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Thu Apr 24 2025 31F 29F / 65% SW 14 G 19 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Thu Apr 24 2025 32F 29F / 64% WSW 14 G 21 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Thu Apr 24 2025 32F 29F / 61% WSW 14 G 20 MPH 9000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Thu Apr 24 2025 31F 28F / 71% WSW 13 G 19 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Thu Apr 24 2025 32F 28F / 70% WSW 13 G 18 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Thu Apr 24 2025 33F 29F / 77% WSW 11 G 17 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Thu Apr 24 2025 35F 28F / 75% WSW 9 G 15 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Thu Apr 24 2025 37F 29F / 80% WSW 8 G 14 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Thu Apr 24 2025 39F 31F / 68% SW 10 G 18 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Thu Apr 24 2025 42F 35F / 67% SSW 9 G 18 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Thu Apr 24 2025 43F 35F / 67% SSW 11 G 22 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Thu Apr 24 2025 42F 34F / 56% SW 10 G 20 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Thu Apr 24 2025 37F 32F / 80% WSW 8 G 15 MPH 9800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Thu Apr 24 2025 36F 30F / 71% SW 15 G 29 MPH 9800 FT 7:1 / 14% 0.02" / 0.1" 0.02" / 0.1" 42 06 PM Thu Apr 24 2025 37F 33F / 72% SW 10 G 17 MPH 9700 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.1" 43 07 PM Thu Apr 24 2025 39F 35F / 60% WSW 10 G 16 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.1" 44 08 PM Thu Apr 24 2025 37F 34F / 62% SW 12 G 20 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.1" 45 09 PM Thu Apr 24 2025 36F 33F / 51% WSW 12 G 19 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.1" 46 10 PM Thu Apr 24 2025 35F 33F / 54% SW 11 G 17 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.1" 47 11 PM Thu Apr 24 2025 35F 34F / 59% SSE 11 G 18 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.1" 48 12 AM Fri Apr 25 2025 35F 33F / 54% SSE 12 G 22 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.1"