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 14-May-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 May 14 2025 24F 19F / 78% W 12 G 18 MPH 7500 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Wed May 14 2025 24F 17F / 100% W 12 G 18 MPH 7400 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Wed May 14 2025 23F 17F / 89% WNW 10 G 15 MPH 7200 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Wed May 14 2025 23F 17F / 95% W 8 G 13 MPH 7100 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Wed May 14 2025 24F 18F / 82% SW 7 G 11 MPH 6900 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Wed May 14 2025 22F 16F / 99% W 11 G 19 MPH 6300 FT 16:1 / 6% 0.07" / 1.1" 0.07" / 1.1" 6 06 AM Wed May 14 2025 21F 16F / 100% WNW 7 G 10 MPH 6800 FT 14:1 / 7% 0.00" / 0.0" 0.07" / 1.1" 7 07 AM Wed May 14 2025 21F 15F / 95% WNW 10 G 16 MPH 6700 FT 14:1 / 7% 0.03" / 0.4" 0.10" / 1.5" 8 08 AM Wed May 14 2025 21F 16F / 91% WNW 10 G 15 MPH 6600 FT 16:1 / 6% 0.00" / 0.0" 0.10" / 1.5" 9 09 AM Wed May 14 2025 21F 15F / 92% WNW 11 G 17 MPH 6700 FT 15:1 / 7% 0.00" / 0.0" 0.10" / 1.5" 10 10 AM Wed May 14 2025 23F 16F / 100% W 12 G 19 MPH 6800 FT 13:1 / 8% 0.00" / 0.0" 0.10" / 1.5" 11 11 AM Wed May 14 2025 26F 18F / 96% W 12 G 21 MPH 6900 FT 14:1 / 7% 0.00" / 0.0" 0.10" / 1.5" 12 12 PM Wed May 14 2025 28F 19F / 94% W 11 G 17 MPH 6800 FT 12:1 / 8% 0.01" / 0.1" 0.11" / 1.6" 13 01 PM Wed May 14 2025 28F 20F / 92% WNW 17 G 28 MPH 7200 FT 10:1 / 10% 0.03" / 0.3" 0.14" / 1.9" 14 02 PM Wed May 14 2025 29F 21F / 94% W 19 G 30 MPH 7400 FT 11:1 / 9% 0.01" / 0.1" 0.15" / 2.0" 15 03 PM Wed May 14 2025 29F 20F / 94% W 23 G 33 MPH 7300 FT 12:1 / 8% 0.02" / 0.2" 0.17" / 2.2" 16 04 PM Wed May 14 2025 30F 20F / 97% WNW 24 G 39 MPH 7300 FT 12:1 / 8% 0.07" / 0.8" 0.24" / 3.0" 17 05 PM Wed May 14 2025 27F 18F / 96% WNW 26 G 40 MPH 7600 FT 11:1 / 9% 0.07" / 0.8" 0.31" / 3.8" 18 06 PM Wed May 14 2025 26F 19F / 97% WNW 28 G 41 MPH 7300 FT 10:1 / 10% 0.08" / 0.8" 0.39" / 4.6" 19 07 PM Wed May 14 2025 27F 20F / 89% WNW 24 G 36 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.39" / 4.6" 20 08 PM Wed May 14 2025 25F 19F / 96% WNW 25 G 38 MPH 7800 FT 10:1 / 10% 0.00" / 0.0" 0.39" / 4.6" 21 09 PM Wed May 14 2025 25F 20F / 90% WNW 27 G 41 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.39" / 4.6" 22 10 PM Wed May 14 2025 25F 20F / 82% WNW 28 G 45 MPH 7900 FT 8:1 / 12% 0.01" / 0.1" 0.40" / 4.7" 23 11 PM Wed May 14 2025 25F 20F / 99% WNW 26 G 41 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.40" / 4.7" 24 12 AM Thu May 15 2025 25F 20F / 100% WNW 22 G 33 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.40" / 4.7" 25 01 AM Thu May 15 2025 24F 19F / 98% WNW 16 G 25 MPH 7800 FT 12:1 / 8% 0.00" / 0.0" 0.40" / 4.7" 26 02 AM Thu May 15 2025 25F 19F / 92% WNW 21 G 31 MPH 7900 FT 11:1 / 9% 0.03" / 0.3" 0.43" / 5.0" 27 03 AM Thu May 15 2025 24F 18F / 95% WNW 19 G 30 MPH 7800 FT 12:1 / 8% 0.00" / 0.0" 0.43" / 5.0" 28 04 AM Thu May 15 2025 23F 18F / 91% WNW 22 G 32 MPH 7700 FT 12:1 / 8% 0.00" / 0.0" 0.43" / 5.0" 29 05 AM Thu May 15 2025 23F 18F / 93% WNW 21 G 31 MPH 7700 FT 12:1 / 8% 0.00" / 0.0" 0.43" / 5.0" 30 06 AM Thu May 15 2025 23F 17F / 94% WNW 20 G 30 MPH 7500 FT 12:1 / 8% 0.00" / 0.0" 0.43" / 5.0" 31 07 AM Thu May 15 2025 23F 18F / 99% WNW 17 G 27 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.43" / 5.0" 32 08 AM Thu May 15 2025 24F 18F / 94% WNW 18 G 26 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.43" / 5.0" 33 09 AM Thu May 15 2025 24F 19F / 99% WNW 18 G 28 MPH 7700 FT 10:1 / 10% 0.00" / 0.0" 0.43" / 5.0" 34 10 AM Thu May 15 2025 26F 19F / 93% WNW 17 G 28 MPH 7400 FT 12:1 / 8% 0.00" / 0.0" 0.43" / 5.0" 35 11 AM Thu May 15 2025 28F 20F / 89% WNW 17 G 26 MPH 7300 FT 12:1 / 8% 0.00" / 0.0" 0.43" / 5.0" 36 12 PM Thu May 15 2025 29F 21F / 100% W 16 G 25 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.43" / 5.0" 37 01 PM Thu May 15 2025 31F 23F / 92% W 19 G 31 MPH 7700 FT 11:1 / 9% 0.03" / 0.3" 0.46" / 5.3" 38 02 PM Thu May 15 2025 33F 23F / 86% W 20 G 33 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.46" / 5.3" 39 03 PM Thu May 15 2025 33F 24F / 92% W 19 G 29 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.46" / 5.3" 40 04 PM Thu May 15 2025 34F 25F / 81% W 18 G 29 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.46" / 5.3" 41 05 PM Thu May 15 2025 33F 24F / 87% WNW 21 G 34 MPH 7800 FT 10:1 / 10% 0.00" / 0.0" 0.46" / 5.3" 42 06 PM Thu May 15 2025 32F 24F / 88% W 22 G 34 MPH 8000 FT 10:1 / 10% 0.02" / 0.2" 0.48" / 5.5" 43 07 PM Thu May 15 2025 31F 24F / 84% WNW 21 G 31 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.48" / 5.5" 44 08 PM Thu May 15 2025 30F 25F / 76% WNW 22 G 32 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.48" / 5.5" 45 09 PM Thu May 15 2025 29F 25F / 78% WNW 22 G 33 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.48" / 5.5" 46 10 PM Thu May 15 2025 28F 25F / 73% WNW 21 G 31 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.48" / 5.5" 47 11 PM Thu May 15 2025 28F 24F / 77% WNW 23 G 31 MPH 7900 FT 10:1 / 10% 0.00" / 0.0" 0.48" / 5.5" 48 12 AM Fri May 16 2025 28F 25F / 79% WNW 23 G 32 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.48" / 5.5"