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 27-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 26 2025 39F 34F / 32% SSE 9 G 21 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat Apr 26 2025 38F 34F / 31% SSE 9 G 23 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sat Apr 26 2025 38F 34F / 19% SSE 13 G 25 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sat Apr 26 2025 37F 33F / 24% SSE 14 G 31 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sat Apr 26 2025 36F 32F / 26% SSE 8 G 18 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sat Apr 26 2025 34F 31F / 31% SSE 12 G 27 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sun Apr 27 2025 30F 28F / 48% SW 15 G 27 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sun Apr 27 2025 29F 28F / 48% SSW 10 G 21 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sun Apr 27 2025 28F 26F / 48% SSE 12 G 22 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sun Apr 27 2025 27F 25F / 50% SE 12 G 26 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sun Apr 27 2025 26F 24F / 55% SSE 13 G 29 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sun Apr 27 2025 25F 23F / 56% SSE 16 G 34 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sun Apr 27 2025 25F 21F / 59% SSE 15 G 31 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sun Apr 27 2025 24F 20F / 64% SSE 13 G 30 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sun Apr 27 2025 25F 19F / 73% SSE 11 G 28 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sun Apr 27 2025 26F 19F / 83% SE 9 G 27 MPH 6500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sun Apr 27 2025 26F 19F / 94% SE 8 G 26 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sun Apr 27 2025 28F 19F / 88% SE 12 G 30 MPH 6600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sun Apr 27 2025 29F 20F / 87% SSE 9 G 29 MPH 6500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sun Apr 27 2025 28F 20F / 81% S 8 G 28 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sun Apr 27 2025 29F 20F / 81% S 12 G 27 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sun Apr 27 2025 30F 21F / 70% S 11 G 28 MPH 6300 FT 12:1 / 8% 0.01" / 0.1" 0.01" / 0.1" 22 04 PM Sun Apr 27 2025 29F 21F / 60% SSW 13 G 29 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 23 05 PM Sun Apr 27 2025 30F 22F / 58% S 13 G 30 MPH 6500 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 24 06 PM Sun Apr 27 2025 29F 22F / 62% S 12 G 25 MPH 7100 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 25 07 PM Sun Apr 27 2025 26F 20F / 67% S 12 G 28 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 26 08 PM Sun Apr 27 2025 23F 18F / 66% S 13 G 29 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 27 09 PM Sun Apr 27 2025 22F 17F / 71% S 13 G 29 MPH 6500 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 28 10 PM Sun Apr 27 2025 21F 16F / 81% SSW 12 G 25 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 29 11 PM Sun Apr 27 2025 21F 17F / 78% SW 14 G 25 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 30 12 AM Mon Apr 28 2025 21F 16F / 87% SW 15 G 27 MPH 6700 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 31 01 AM Mon Apr 28 2025 20F 16F / 82% SW 14 G 25 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 32 02 AM Mon Apr 28 2025 20F 16F / 96% SSW 11 G 20 MPH 6600 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 33 03 AM Mon Apr 28 2025 21F 16F / 94% S 10 G 18 MPH 6600 FT 14:1 / 7% 0.00" / 0.0" 0.01" / 0.1" 34 04 AM Mon Apr 28 2025 22F 16F / 97% ESE 10 G 19 MPH 6700 FT 12:1 / 8% 0.01" / 0.1" 0.02" / 0.2" 35 05 AM Mon Apr 28 2025 22F 16F / 100% SE 11 G 21 MPH 6700 FT 15:1 / 7% 0.03" / 0.4" 0.05" / 0.6" 36 06 AM Mon Apr 28 2025 22F 17F / 93% SE 8 G 12 MPH 6700 FT 17:1 / 6% 0.01" / 0.2" 0.06" / 0.8" 37 07 AM Mon Apr 28 2025 22F 18F / 85% E 7 G 8 MPH 6600 FT 17:1 / 6% 0.00" / 0.0" 0.06" / 0.8" 38 08 AM Mon Apr 28 2025 22F 19F / 83% NNE 9 G 10 MPH 6500 FT 12:1 / 8% 0.00" / 0.0" 0.06" / 0.8" 39 09 AM Mon Apr 28 2025 23F 19F / 90% NE 8 G 14 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.06" / 0.8" 40 10 AM Mon Apr 28 2025 25F 20F / 81% NW 7 G 10 MPH 6800 FT 14:1 / 7% 0.00" / 0.0" 0.06" / 0.8" 41 11 AM Mon Apr 28 2025 27F 20F / 99% NNW 8 G 12 MPH 7100 FT 15:1 / 7% 0.00" / 0.0" 0.06" / 0.8" 42 12 PM Mon Apr 28 2025 29F 22F / 91% WNW 8 G 14 MPH 7000 FT 12:1 / 8% 0.00" / 0.0" 0.06" / 0.8" 43 01 PM Mon Apr 28 2025 31F 24F / 90% NW 8 G 18 MPH 7100 FT 12:1 / 8% 0.00" / 0.0" 0.06" / 0.8" 44 02 PM Mon Apr 28 2025 33F 25F / 89% WNW 11 G 18 MPH 7600 FT 12:1 / 8% 0.00" / 0.0" 0.06" / 0.8" 45 03 PM Mon Apr 28 2025 33F 25F / 90% WNW 12 G 21 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.06" / 0.8" 46 04 PM Mon Apr 28 2025 32F 24F / 90% WNW 14 G 24 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.06" / 0.8" 47 05 PM Mon Apr 28 2025 30F 23F / 98% WNW 9 G 20 MPH 7300 FT 12:1 / 8% 0.00" / 0.0" 0.06" / 0.8" 48 06 PM Mon Apr 28 2025 28F 22F / 100% WNW 11 G 19 MPH 7600 FT 12:1 / 8% 0.00" / 0.0" 0.06" / 0.8"