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 12Z 13-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 06 AM Tue May 13 2025 34F 28F / 57% SSW 25 G 51 MPH 7200 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Tue May 13 2025 32F 27F / 66% SSW 20 G 40 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Tue May 13 2025 33F 26F / 70% S 16 G 34 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Tue May 13 2025 33F 26F / 71% S 15 G 31 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Tue May 13 2025 34F 25F / 76% S 16 G 33 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Tue May 13 2025 35F 26F / 79% SSW 16 G 34 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Tue May 13 2025 35F 25F / 82% SSW 14 G 33 MPH 7900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Tue May 13 2025 36F 27F / 76% S 10 G 29 MPH 7600 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Tue May 13 2025 33F 24F / 91% SSW 9 G 24 MPH 7100 FT 11:1 / 9% 0.04" / 0.4" 0.04" / 0.4" 9 03 PM Tue May 13 2025 30F 22F / 97% SSW 12 G 27 MPH 7200 FT 14:1 / 7% 0.00" / 0.0" 0.04" / 0.4" 10 04 PM Tue May 13 2025 29F 22F / 95% SW 12 G 26 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 11 05 PM Tue May 13 2025 29F 23F / 91% SSW 12 G 27 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 12 06 PM Tue May 13 2025 29F 21F / 91% W 14 G 26 MPH 7100 FT 8:1 / 12% 0.01" / 0.1" 0.05" / 0.5" 13 07 PM Tue May 13 2025 28F 21F / 84% W 14 G 22 MPH 7300 FT 10:1 / 10% 0.00" / 0.0" 0.05" / 0.5" 14 08 PM Tue May 13 2025 25F 18F / 89% WNW 19 G 29 MPH 7300 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 15 09 PM Tue May 13 2025 25F 18F / 94% WNW 17 G 26 MPH 7100 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 16 10 PM Tue May 13 2025 25F 20F / 73% W 14 G 21 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 17 11 PM Tue May 13 2025 24F 19F / 79% WSW 11 G 15 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 18 12 AM Wed May 14 2025 24F 19F / 80% WSW 13 G 18 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 19 01 AM Wed May 14 2025 23F 17F / 94% W 13 G 20 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 20 02 AM Wed May 14 2025 23F 18F / 83% W 13 G 18 MPH 7000 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 21 03 AM Wed May 14 2025 22F 17F / 90% W 12 G 14 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.05" / 0.5" 22 04 AM Wed May 14 2025 22F 16F / 95% W 12 G 18 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.05" / 0.5" 23 05 AM Wed May 14 2025 22F 16F / 92% W 11 G 18 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 24 06 AM Wed May 14 2025 21F 16F / 86% W 13 G 18 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 25 07 AM Wed May 14 2025 21F 16F / 96% W 12 G 18 MPH 6700 FT 13:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 26 08 AM Wed May 14 2025 22F 16F / 97% W 12 G 21 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 27 09 AM Wed May 14 2025 22F 16F / 95% W 13 G 20 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 28 10 AM Wed May 14 2025 24F 17F / 96% W 13 G 21 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 29 11 AM Wed May 14 2025 27F 19F / 90% W 12 G 21 MPH 6600 FT 13:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 30 12 PM Wed May 14 2025 28F 20F / 92% W 12 G 20 MPH 7300 FT 12:1 / 8% 0.00" / 0.0" 0.05" / 0.5" 31 01 PM Wed May 14 2025 29F 21F / 100% W 13 G 22 MPH 6900 FT 11:1 / 9% 0.00" / 0.0" 0.05" / 0.5" 32 02 PM Wed May 14 2025 30F 22F / 95% WNW 14 G 22 MPH 7100 FT 12:1 / 8% 0.03" / 0.4" 0.08" / 0.9" 33 03 PM Wed May 14 2025 31F 22F / 96% W 16 G 26 MPH 7400 FT 11:1 / 9% 0.02" / 0.2" 0.10" / 1.1" 34 04 PM Wed May 14 2025 32F 22F / 95% WNW 16 G 25 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.10" / 1.1" 35 05 PM Wed May 14 2025 31F 22F / 96% WNW 18 G 30 MPH 7900 FT 12:1 / 8% 0.01" / 0.1" 0.11" / 1.2" 36 06 PM Wed May 14 2025 28F 20F / 96% WNW 18 G 29 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.11" / 1.2" 37 07 PM Wed May 14 2025 28F 21F / 100% WNW 21 G 31 MPH 7600 FT 8:1 / 12% 0.01" / 0.1" 0.12" / 1.3" 38 08 PM Wed May 14 2025 27F 21F / 98% WNW 24 G 37 MPH 7600 FT 8:1 / 12% 0.01" / 0.1" 0.13" / 1.4" 39 09 PM Wed May 14 2025 27F 21F / 93% WNW 24 G 38 MPH 7800 FT 8:1 / 12% 0.06" / 0.5" 0.19" / 1.9" 40 10 PM Wed May 14 2025 26F 21F / 98% WNW 26 G 39 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.19" / 1.9" 41 11 PM Wed May 14 2025 25F 21F / 98% WNW 23 G 35 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.19" / 1.9" 42 12 AM Thu May 15 2025 26F 21F / 95% WNW 25 G 36 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.19" / 1.9" 43 01 AM Thu May 15 2025 25F 21F / 97% WNW 23 G 36 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.19" / 1.9" 44 02 AM Thu May 15 2025 26F 22F / 90% WNW 23 G 31 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.19" / 1.9" 45 03 AM Thu May 15 2025 25F 21F / 87% WNW 20 G 30 MPH 7900 FT 8:1 / 12% 0.00" / 0.0" 0.19" / 1.9" 46 04 AM Thu May 15 2025 25F 21F / 92% WNW 18 G 27 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.19" / 1.9" 47 05 AM Thu May 15 2025 25F 20F / 99% WNW 17 G 22 MPH 7800 FT 10:1 / 10% 0.00" / 0.0" 0.19" / 1.9" 48 06 AM Thu May 15 2025 25F 20F / 95% WNW 18 G 25 MPH 7700 FT 12:1 / 8% 0.00" / 0.0" 0.19" / 1.9"