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 20-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 Sat Apr 19 2025 26F 21F / 66% W 6 G 12 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat Apr 19 2025 24F 20F / 54% WNW 9 G 14 MPH 5700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sat Apr 19 2025 22F 21F / 47% WNW 12 G 19 MPH 5700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sat Apr 19 2025 23F 20F / 54% NW 20 G 30 MPH 5900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sat Apr 19 2025 23F 20F / 54% NW 24 G 36 MPH 5900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sat Apr 19 2025 23F 20F / 58% NW 23 G 35 MPH 6200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sun Apr 20 2025 24F 21F / 60% NW 23 G 35 MPH 6300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sun Apr 20 2025 24F 21F / 60% WNW 24 G 35 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sun Apr 20 2025 24F 21F / 59% WNW 24 G 35 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sun Apr 20 2025 24F 20F / 73% WNW 23 G 34 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sun Apr 20 2025 24F 21F / 82% WNW 25 G 39 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sun Apr 20 2025 25F 21F / 77% WNW 26 G 38 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sun Apr 20 2025 25F 21F / 72% WNW 24 G 35 MPH 6300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sun Apr 20 2025 24F 21F / 70% WNW 23 G 31 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sun Apr 20 2025 23F 20F / 74% WNW 22 G 30 MPH 6500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sun Apr 20 2025 26F 22F / 77% WNW 20 G 27 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sun Apr 20 2025 28F 22F / 76% WNW 17 G 28 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sun Apr 20 2025 30F 23F / 79% W 17 G 27 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sun Apr 20 2025 33F 24F / 71% WNW 17 G 27 MPH 7200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sun Apr 20 2025 35F 25F / 69% W 15 G 25 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sun Apr 20 2025 37F 27F / 67% W 14 G 23 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sun Apr 20 2025 38F 27F / 64% W 13 G 21 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sun Apr 20 2025 37F 28F / 59% W 13 G 22 MPH 8000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sun Apr 20 2025 38F 28F / 66% W 13 G 22 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sun Apr 20 2025 35F 29F / 64% W 14 G 23 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sun Apr 20 2025 33F 28F / 61% W 15 G 23 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sun Apr 20 2025 30F 27F / 59% WSW 17 G 24 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sun Apr 20 2025 30F 27F / 54% SW 19 G 28 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sun Apr 20 2025 30F 27F / 47% SW 20 G 31 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sun Apr 20 2025 30F 28F / 46% SW 20 G 31 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Mon Apr 21 2025 30F 28F / 42% SW 21 G 34 MPH 8400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Mon Apr 21 2025 31F 28F / 37% SSW 21 G 37 MPH 8500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Mon Apr 21 2025 30F 28F / 40% SSW 22 G 36 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Mon Apr 21 2025 30F 28F / 42% SW 22 G 35 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Mon Apr 21 2025 29F 27F / 46% WSW 24 G 39 MPH 8100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Mon Apr 21 2025 29F 26F / 49% WSW 26 G 44 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Mon Apr 21 2025 29F 25F / 54% WSW 23 G 38 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Mon Apr 21 2025 28F 25F / 55% WSW 24 G 35 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Mon Apr 21 2025 28F 24F / 56% W 22 G 36 MPH 7800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Mon Apr 21 2025 30F 26F / 75% W 24 G 38 MPH 7800 FT 8:1 / 12% 0.03" / 0.2" 0.03" / 0.2" 40 10 AM Mon Apr 21 2025 31F 25F / 77% W 23 G 37 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.03" / 0.2" 41 11 AM Mon Apr 21 2025 32F 25F / 86% W 21 G 35 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.03" / 0.2" 42 12 PM Mon Apr 21 2025 34F 25F / 89% W 21 G 36 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.03" / 0.2" 43 01 PM Mon Apr 21 2025 35F 26F / 84% W 20 G 33 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.03" / 0.2" 44 02 PM Mon Apr 21 2025 37F 27F / 78% W 19 G 33 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.03" / 0.2" 45 03 PM Mon Apr 21 2025 38F 28F / 75% W 18 G 32 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.03" / 0.2" 46 04 PM Mon Apr 21 2025 37F 28F / 73% W 18 G 30 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.03" / 0.2" 47 05 PM Mon Apr 21 2025 36F 28F / 66% W 17 G 30 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.03" / 0.2" 48 06 PM Mon Apr 21 2025 34F 28F / 63% W 19 G 30 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.03" / 0.2"