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 08-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 12 AM Tue Apr 08 2025 32F 30F / 35% SSW 25 G 44 MPH 8900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Tue Apr 08 2025 31F 31F / 31% SW 30 G 50 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Tue Apr 08 2025 32F 30F / 30% WSW 34 G 57 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Tue Apr 08 2025 31F 30F / 34% W 30 G 47 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Tue Apr 08 2025 30F 28F / 44% W 28 G 45 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Tue Apr 08 2025 29F 28F / 54% W 24 G 38 MPH 9300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Tue Apr 08 2025 30F 27F / 60% W 22 G 34 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Tue Apr 08 2025 29F 26F / 67% W 22 G 35 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Tue Apr 08 2025 28F 26F / 69% W 22 G 35 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Tue Apr 08 2025 29F 26F / 73% W 21 G 33 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Tue Apr 08 2025 31F 26F / 76% W 20 G 33 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Tue Apr 08 2025 33F 27F / 74% W 21 G 36 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Tue Apr 08 2025 35F 28F / 73% W 20 G 35 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Tue Apr 08 2025 37F 28F / 78% W 19 G 32 MPH 8500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Tue Apr 08 2025 38F 29F / 76% W 18 G 30 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Tue Apr 08 2025 39F 29F / 78% W 17 G 28 MPH 8600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Tue Apr 08 2025 39F 30F / 70% WSW 17 G 28 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Tue Apr 08 2025 39F 30F / 70% W 20 G 33 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Tue Apr 08 2025 36F 30F / 65% WSW 20 G 33 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Tue Apr 08 2025 33F 29F / 62% W 21 G 35 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Tue Apr 08 2025 31F 28F / 63% W 22 G 34 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Tue Apr 08 2025 31F 28F / 56% W 23 G 34 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Tue Apr 08 2025 32F 29F / 50% W 23 G 33 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Tue Apr 08 2025 31F 28F / 50% W 23 G 33 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Wed Apr 09 2025 31F 28F / 45% W 23 G 35 MPH 8500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Wed Apr 09 2025 30F 28F / 45% W 25 G 35 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Wed Apr 09 2025 31F 28F / 42% W 24 G 37 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Wed Apr 09 2025 30F 28F / 47% W 24 G 36 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Wed Apr 09 2025 30F 27F / 45% W 25 G 38 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Wed Apr 09 2025 30F 27F / 48% W 24 G 37 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Wed Apr 09 2025 28F 26F / 50% W 25 G 36 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Wed Apr 09 2025 28F 26F / 50% W 25 G 35 MPH 7800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Wed Apr 09 2025 27F 26F / 47% W 26 G 36 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Wed Apr 09 2025 28F 26F / 52% W 26 G 39 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Wed Apr 09 2025 31F 27F / 55% W 25 G 38 MPH 7900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Wed Apr 09 2025 34F 27F / 53% W 25 G 37 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Wed Apr 09 2025 36F 28F / 54% W 23 G 37 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Wed Apr 09 2025 38F 30F / 54% W 23 G 36 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Wed Apr 09 2025 40F 30F / 53% W 23 G 37 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Wed Apr 09 2025 42F 31F / 53% W 22 G 35 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Wed Apr 09 2025 41F 32F / 57% W 22 G 34 MPH 8600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Wed Apr 09 2025 40F 32F / 57% W 23 G 35 MPH 8600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Wed Apr 09 2025 37F 32F / 59% W 23 G 36 MPH 8500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Wed Apr 09 2025 34F 32F / 56% W 24 G 35 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Wed Apr 09 2025 32F 31F / 46% W 25 G 35 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Wed Apr 09 2025 32F 32F / 40% W 24 G 35 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Wed Apr 09 2025 31F 31F / 38% WNW 25 G 35 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Wed Apr 09 2025 31F 32F / 37% WNW 25 G 34 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Thu Apr 10 2025 31F 32F / 36% WNW 25 G 34 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"