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 15-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 Thu May 15 2025 26F 20F / 98% WNW 27 G 43 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Thu May 15 2025 25F 20F / 94% WNW 26 G 41 MPH 8000 FT 10:1 / 10% 0.01" / 0.1" 0.01" / 0.1" 2 02 AM Thu May 15 2025 24F 19F / 93% WNW 27 G 40 MPH 7900 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 3 03 AM Thu May 15 2025 24F 19F / 89% WNW 27 G 41 MPH 7800 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 4 04 AM Thu May 15 2025 24F 19F / 93% WNW 25 G 36 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 5 05 AM Thu May 15 2025 24F 18F / 99% WNW 20 G 30 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 6 06 AM Thu May 15 2025 24F 19F / 100% WNW 19 G 27 MPH 7900 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 7 07 AM Thu May 15 2025 24F 18F / 100% WNW 18 G 27 MPH 7700 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 8 08 AM Thu May 15 2025 25F 19F / 100% WNW 19 G 28 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 9 09 AM Thu May 15 2025 25F 19F / 100% W 20 G 29 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 10 10 AM Thu May 15 2025 26F 19F / 100% W 20 G 30 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 11 11 AM Thu May 15 2025 28F 20F / 96% W 18 G 30 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 12 12 PM Thu May 15 2025 30F 21F / 94% W 19 G 30 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 13 01 PM Thu May 15 2025 32F 22F / 91% W 20 G 34 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 14 02 PM Thu May 15 2025 33F 24F / 82% W 20 G 35 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 15 03 PM Thu May 15 2025 34F 23F / 84% W 21 G 32 MPH 7700 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 16 04 PM Thu May 15 2025 34F 23F / 77% W 20 G 31 MPH 7700 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 17 05 PM Thu May 15 2025 34F 23F / 78% W 21 G 32 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 18 06 PM Thu May 15 2025 32F 23F / 77% W 22 G 34 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 19 07 PM Thu May 15 2025 31F 23F / 83% W 24 G 36 MPH 8200 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 20 08 PM Thu May 15 2025 29F 23F / 79% W 25 G 37 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 21 09 PM Thu May 15 2025 29F 24F / 74% W 26 G 37 MPH 8200 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 22 10 PM Thu May 15 2025 28F 24F / 70% WNW 24 G 38 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 23 11 PM Thu May 15 2025 28F 24F / 71% WNW 26 G 39 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.01" / 0.1" 24 12 AM Fri May 16 2025 29F 24F / 70% WNW 28 G 41 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 25 01 AM Fri May 16 2025 29F 24F / 60% WNW 29 G 40 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 26 02 AM Fri May 16 2025 29F 24F / 50% WNW 28 G 43 MPH 6900 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 27 03 AM Fri May 16 2025 29F 24F / 45% WNW 29 G 43 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 28 04 AM Fri May 16 2025 28F 24F / 48% WNW 31 G 46 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 29 05 AM Fri May 16 2025 28F 23F / 47% WNW 28 G 44 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 30 06 AM Fri May 16 2025 27F 23F / 49% WNW 29 G 44 MPH 6700 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 31 07 AM Fri May 16 2025 27F 23F / 60% WNW 28 G 42 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.01" / 0.1" 32 08 AM Fri May 16 2025 28F 24F / 59% WNW 27 G 37 MPH 7100 FT 6:1 / 17% 0.00" / 0.0" 0.01" / 0.1" 33 09 AM Fri May 16 2025 29F 24F / 64% W 24 G 35 MPH 7100 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 34 10 AM Fri May 16 2025 30F 24F / 70% WNW 23 G 35 MPH 7200 FT 7:1 / 14% 0.00" / 0.0" 0.01" / 0.1" 35 11 AM Fri May 16 2025 32F 25F / 73% W 20 G 33 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 36 12 PM Fri May 16 2025 34F 26F / 78% W 19 G 30 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 37 01 PM Fri May 16 2025 37F 30F / 72% W 18 G 29 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 38 02 PM Fri May 16 2025 38F 30F / 69% W 16 G 28 MPH 8000 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 39 03 PM Fri May 16 2025 39F 32F / 67% W 16 G 26 MPH 8400 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 40 04 PM Fri May 16 2025 40F 32F / 65% W 14 G 24 MPH 8600 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 41 05 PM Fri May 16 2025 40F 32F / 70% W 14 G 24 MPH 8600 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 42 06 PM Fri May 16 2025 38F 31F / 71% W 14 G 22 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 43 07 PM Fri May 16 2025 36F 31F / 75% W 15 G 23 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 44 08 PM Fri May 16 2025 35F 31F / 71% W 17 G 23 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 45 09 PM Fri May 16 2025 34F 31F / 70% WSW 17 G 28 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.01" / 0.1" 46 10 PM Fri May 16 2025 33F 30F / 64% WSW 17 G 27 MPH 8700 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 47 11 PM Fri May 16 2025 33F 30F / 66% WSW 17 G 25 MPH 8800 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1" 48 12 AM Sat May 17 2025 33F 31F / 62% WSW 17 G 28 MPH 8800 FT 10:1 / 10% 0.00" / 0.0" 0.01" / 0.1"