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 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 06 AM Wed May 14 2025 22F 16F / 100% W 9 G 13 MPH 7000 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Wed May 14 2025 23F 16F / 100% WNW 10 G 15 MPH 6900 FT 12:1 / 8% 0.01" / 0.1" 0.01" / 0.1" 2 08 AM Wed May 14 2025 23F 16F / 100% WNW 11 G 17 MPH 6600 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 3 09 AM Wed May 14 2025 22F 16F / 98% W 13 G 20 MPH 6800 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 4 10 AM Wed May 14 2025 24F 16F / 100% WNW 16 G 25 MPH 6900 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 5 11 AM Wed May 14 2025 26F 18F / 100% W 17 G 26 MPH 6600 FT 13:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 6 12 PM Wed May 14 2025 28F 18F / 95% W 17 G 29 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 7 01 PM Wed May 14 2025 30F 21F / 95% W 16 G 26 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 8 02 PM Wed May 14 2025 29F 20F / 95% W 18 G 29 MPH 7000 FT 10:1 / 10% 0.02" / 0.2" 0.03" / 0.3" 9 03 PM Wed May 14 2025 30F 20F / 95% W 20 G 33 MPH 7200 FT 11:1 / 9% 0.09" / 1.0" 0.12" / 1.3" 10 04 PM Wed May 14 2025 29F 20F / 96% W 23 G 35 MPH 7700 FT 11:1 / 9% 0.06" / 0.7" 0.18" / 2.0" 11 05 PM Wed May 14 2025 28F 20F / 95% WNW 23 G 37 MPH 7900 FT 8:1 / 12% 0.03" / 0.2" 0.21" / 2.2" 12 06 PM Wed May 14 2025 26F 19F / 99% W 26 G 45 MPH 7900 FT 10:1 / 10% 0.06" / 0.6" 0.27" / 2.8" 13 07 PM Wed May 14 2025 27F 20F / 98% WNW 28 G 44 MPH 7900 FT 10:1 / 10% 0.10" / 1.0" 0.37" / 3.8" 14 08 PM Wed May 14 2025 26F 20F / 98% WNW 25 G 38 MPH 7800 FT 8:1 / 12% 0.05" / 0.4" 0.42" / 4.2" 15 09 PM Wed May 14 2025 25F 19F / 97% WNW 28 G 42 MPH 7700 FT 10:1 / 10% 0.06" / 0.6" 0.48" / 4.8" 16 10 PM Wed May 14 2025 25F 19F / 92% WNW 26 G 40 MPH 7700 FT 10:1 / 10% 0.03" / 0.3" 0.51" / 5.1" 17 11 PM Wed May 14 2025 25F 20F / 97% WNW 25 G 40 MPH 7900 FT 10:1 / 10% 0.00" / 0.0" 0.51" / 5.1" 18 12 AM Thu May 15 2025 25F 20F / 95% WNW 24 G 36 MPH 7500 FT 10:1 / 10% 0.00" / 0.0" 0.51" / 5.1" 19 01 AM Thu May 15 2025 25F 19F / 92% WNW 20 G 30 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 20 02 AM Thu May 15 2025 24F 19F / 90% WNW 21 G 35 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 21 03 AM Thu May 15 2025 24F 18F / 98% WNW 20 G 32 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 22 04 AM Thu May 15 2025 23F 18F / 91% WNW 22 G 33 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 23 05 AM Thu May 15 2025 23F 18F / 90% WNW 21 G 29 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 24 06 AM Thu May 15 2025 22F 18F / 100% WNW 19 G 27 MPH 7700 FT 12:1 / 8% 0.00" / 0.0" 0.51" / 5.1" 25 07 AM Thu May 15 2025 24F 18F / 97% WNW 18 G 27 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 26 08 AM Thu May 15 2025 24F 18F / 92% WNW 19 G 28 MPH 7300 FT 12:1 / 8% 0.00" / 0.0" 0.51" / 5.1" 27 09 AM Thu May 15 2025 25F 19F / 94% WNW 21 G 30 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 28 10 AM Thu May 15 2025 26F 19F / 94% WNW 19 G 30 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 29 11 AM Thu May 15 2025 28F 20F / 95% WNW 19 G 31 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 30 12 PM Thu May 15 2025 29F 21F / 86% WNW 20 G 32 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 31 01 PM Thu May 15 2025 31F 22F / 92% WNW 19 G 31 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 32 02 PM Thu May 15 2025 33F 23F / 86% WNW 19 G 30 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.51" / 5.1" 33 03 PM Thu May 15 2025 32F 22F / 84% W 22 G 36 MPH 7600 FT 9:1 / 11% 0.01" / 0.1" 0.52" / 5.2" 34 04 PM Thu May 15 2025 35F 24F / 76% W 23 G 35 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2" 35 05 PM Thu May 15 2025 34F 23F / 76% W 22 G 33 MPH 7900 FT 12:1 / 8% 0.00" / 0.0" 0.52" / 5.2" 36 06 PM Thu May 15 2025 32F 23F / 80% W 21 G 33 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.52" / 5.2" 37 07 PM Thu May 15 2025 31F 24F / 79% W 24 G 37 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.52" / 5.2" 38 08 PM Thu May 15 2025 31F 26F / 72% W 26 G 41 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2" 39 09 PM Thu May 15 2025 30F 26F / 69% W 25 G 38 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.52" / 5.2" 40 10 PM Thu May 15 2025 30F 26F / 72% W 23 G 35 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2" 41 11 PM Thu May 15 2025 30F 27F / 71% W 21 G 34 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.52" / 5.2" 42 12 AM Fri May 16 2025 30F 27F / 71% W 23 G 34 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.52" / 5.2" 43 01 AM Fri May 16 2025 30F 27F / 67% W 24 G 36 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2" 44 02 AM Fri May 16 2025 31F 27F / 65% W 24 G 36 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2" 45 03 AM Fri May 16 2025 30F 27F / 59% W 24 G 35 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2" 46 04 AM Fri May 16 2025 30F 27F / 59% W 24 G 35 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2" 47 05 AM Fri May 16 2025 30F 27F / 59% W 23 G 33 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2" 48 06 AM Fri May 16 2025 29F 27F / 58% W 22 G 33 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.52" / 5.2"