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 26-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 26 2025 40F 30F / 46% SE 13 G 31 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Sat Apr 26 2025 40F 30F / 46% SSE 13 G 33 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Sat Apr 26 2025 42F 31F / 40% SSE 11 G 31 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Sat Apr 26 2025 43F 34F / 34% S 11 G 28 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Sat Apr 26 2025 43F 34F / 34% S 10 G 26 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Sat Apr 26 2025 43F 34F / 32% S 12 G 27 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Sat Apr 26 2025 40F 34F / 32% SSW 9 G 20 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Sat Apr 26 2025 38F 34F / 27% SSW 9 G 20 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Sat Apr 26 2025 38F 34F / 31% S 9 G 22 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Sat Apr 26 2025 36F 33F / 31% S 12 G 26 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Sat Apr 26 2025 35F 32F / 30% S 11 G 24 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Sat Apr 26 2025 32F 29F / 46% SW 13 G 25 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Sun Apr 27 2025 30F 28F / 54% SSW 10 G 23 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Sun Apr 27 2025 29F 27F / 53% SSE 12 G 25 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Sun Apr 27 2025 29F 26F / 50% SE 13 G 27 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sun Apr 27 2025 28F 25F / 53% SE 13 G 29 MPH 7300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sun Apr 27 2025 26F 24F / 57% SSE 14 G 32 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sun Apr 27 2025 26F 23F / 63% SE 16 G 33 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Sun Apr 27 2025 25F 22F / 65% SE 15 G 34 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Sun Apr 27 2025 25F 20F / 67% SSE 13 G 31 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sun Apr 27 2025 26F 20F / 76% SE 11 G 29 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sun Apr 27 2025 28F 20F / 80% SE 11 G 31 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sun Apr 27 2025 27F 20F / 96% SSE 10 G 30 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sun Apr 27 2025 26F 19F / 99% SSE 12 G 30 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sun Apr 27 2025 28F 19F / 88% SSE 13 G 35 MPH 6400 FT 11:1 / 9% 0.03" / 0.3" 0.03" / 0.3" 25 01 PM Sun Apr 27 2025 28F 20F / 79% SSE 14 G 35 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.03" / 0.3" 26 02 PM Sun Apr 27 2025 30F 21F / 77% S 12 G 29 MPH 6600 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 27 03 PM Sun Apr 27 2025 30F 21F / 66% S 13 G 31 MPH 6500 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 28 04 PM Sun Apr 27 2025 30F 21F / 67% S 13 G 29 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 29 05 PM Sun Apr 27 2025 30F 21F / 69% SSW 14 G 30 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 30 06 PM Sun Apr 27 2025 28F 21F / 64% S 13 G 27 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.03" / 0.3" 31 07 PM Sun Apr 27 2025 27F 20F / 81% S 12 G 23 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 32 08 PM Sun Apr 27 2025 23F 18F / 84% S 13 G 26 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 33 09 PM Sun Apr 27 2025 21F 17F / 82% S 13 G 23 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 34 10 PM Sun Apr 27 2025 20F 16F / 81% S 13 G 23 MPH 6600 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 35 11 PM Sun Apr 27 2025 20F 16F / 73% S 11 G 22 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 36 12 AM Mon Apr 28 2025 19F 16F / 85% SSW 14 G 25 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 37 01 AM Mon Apr 28 2025 19F 17F / 75% SSW 13 G 21 MPH 6800 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 38 02 AM Mon Apr 28 2025 19F 17F / 69% SSW 12 G 20 MPH 6900 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 39 03 AM Mon Apr 28 2025 18F 15F / 86% SW 10 G 14 MPH 6800 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 40 04 AM Mon Apr 28 2025 19F 15F / 90% WSW 7 G 13 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 41 05 AM Mon Apr 28 2025 19F 15F / 91% SW 8 G 11 MPH 6700 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.3" 42 06 AM Mon Apr 28 2025 18F 15F / 93% ESE 6 G 6 MPH 6700 FT 18:1 / 6% 0.00" / 0.0" 0.03" / 0.3" 43 07 AM Mon Apr 28 2025 19F 16F / 72% W 8 G 10 MPH 6700 FT 15:1 / 7% 0.00" / 0.0" 0.03" / 0.3" 44 08 AM Mon Apr 28 2025 18F 16F / 83% NNW 7 G 12 MPH 6700 FT 16:1 / 6% 0.00" / 0.0" 0.03" / 0.3" 45 09 AM Mon Apr 28 2025 23F 20F / 78% WNW 11 G 14 MPH 6700 FT 15:1 / 7% 0.00" / 0.0" 0.03" / 0.3" 46 10 AM Mon Apr 28 2025 26F 21F / 79% N 7 G 13 MPH 6900 FT 15:1 / 7% 0.00" / 0.0" 0.03" / 0.3" 47 11 AM Mon Apr 28 2025 27F 21F / 96% SE 7 G 14 MPH 7000 FT 15:1 / 7% 0.00" / 0.0" 0.03" / 0.3" 48 12 PM Mon Apr 28 2025 29F 22F / 83% WSW 9 G 15 MPH 7400 FT 15:1 / 7% 0.00" / 0.0" 0.03" / 0.3"