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 18Z 12-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 PM Sat Apr 12 2025 43F 35F / 37% SW 21 G 39 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Sat Apr 12 2025 45F 35F / 44% SW 19 G 36 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Sat Apr 12 2025 45F 35F / 54% WSW 11 G 20 MPH 9500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Sat Apr 12 2025 45F 36F / 51% WSW 12 G 21 MPH 9700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Sat Apr 12 2025 44F 35F / 63% W 14 G 24 MPH 9500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Sat Apr 12 2025 43F 34F / 56% W 13 G 21 MPH 9700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Sat Apr 12 2025 39F 34F / 56% W 16 G 26 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Sat Apr 12 2025 37F 33F / 56% W 15 G 24 MPH 9500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Sat Apr 12 2025 35F 32F / 56% WNW 18 G 25 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Sat Apr 12 2025 35F 32F / 50% W 15 G 23 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Sat Apr 12 2025 30F 30F / 64% W 15 G 19 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Sat Apr 12 2025 30F 28F / 74% W 16 G 22 MPH 9000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Sun Apr 13 2025 29F 27F / 75% W 17 G 25 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Sun Apr 13 2025 28F 27F / 71% W 15 G 25 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Sun Apr 13 2025 28F 25F / 73% WNW 17 G 28 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sun Apr 13 2025 27F 24F / 78% WNW 20 G 32 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sun Apr 13 2025 27F 24F / 74% W 21 G 32 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sun Apr 13 2025 28F 25F / 57% W 23 G 36 MPH 5300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Sun Apr 13 2025 27F 24F / 59% WNW 24 G 39 MPH 5300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Sun Apr 13 2025 27F 24F / 60% WNW 25 G 40 MPH 5300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sun Apr 13 2025 28F 25F / 54% W 27 G 42 MPH 5300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sun Apr 13 2025 29F 24F / 55% W 25 G 36 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sun Apr 13 2025 29F 24F / 41% WNW 21 G 33 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sun Apr 13 2025 29F 23F / 61% WNW 17 G 27 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sun Apr 13 2025 31F 22F / 92% WNW 13 G 22 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Sun Apr 13 2025 32F 24F / 87% W 14 G 20 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Sun Apr 13 2025 34F 24F / 74% WNW 14 G 21 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Sun Apr 13 2025 34F 24F / 61% WNW 16 G 23 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Sun Apr 13 2025 34F 25F / 54% WNW 14 G 21 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Sun Apr 13 2025 33F 25F / 51% WNW 15 G 24 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Sun Apr 13 2025 30F 24F / 52% WNW 18 G 26 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Sun Apr 13 2025 27F 22F / 60% WNW 18 G 28 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Sun Apr 13 2025 24F 20F / 62% WNW 20 G 29 MPH 6100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Sun Apr 13 2025 21F 18F / 58% SE 19 G 25 MPH 5900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Sun Apr 13 2025 20F 18F / 65% SE 23 G 29 MPH 5900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Sun Apr 13 2025 19F 17F / 53% NW 27 G 36 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Mon Apr 14 2025 17F 17F / 53% NW 25 G 38 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Mon Apr 14 2025 18F 18F / 54% NNW 24 G 35 MPH 5400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Mon Apr 14 2025 17F 18F / 51% NNW 25 G 36 MPH 5400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Mon Apr 14 2025 17F 18F / 48% NNW 25 G 36 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Mon Apr 14 2025 17F 18F / 51% NNW 23 G 31 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Mon Apr 14 2025 17F 18F / 43% NNW 22 G 32 MPH 5200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Mon Apr 14 2025 17F 18F / 39% NNW 16 G 28 MPH 5100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Mon Apr 14 2025 17F 18F / 38% NNW 20 G 28 MPH 5000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Mon Apr 14 2025 19F 20F / 35% NNW 19 G 27 MPH 4700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Mon Apr 14 2025 21F 22F / 37% NNW 18 G 25 MPH 5100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Mon Apr 14 2025 27F 26F / 35% NNW 16 G 23 MPH 5500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Mon Apr 14 2025 30F 27F / 37% NNW 14 G 20 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Mon Apr 14 2025 33F 28F / 39% NNW 11 G 16 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"