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 07-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 06 AM Mon Apr 07 2025 25F 25F / 30% WSW 13 G 17 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Mon Apr 07 2025 25F 25F / 30% W 14 G 19 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Mon Apr 07 2025 26F 26F / 29% WSW 15 G 20 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Mon Apr 07 2025 27F 27F / 27% WSW 15 G 21 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Mon Apr 07 2025 31F 29F / 30% WSW 15 G 22 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Mon Apr 07 2025 35F 30F / 29% WSW 14 G 21 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Mon Apr 07 2025 37F 30F / 30% WSW 13 G 22 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Mon Apr 07 2025 38F 30F / 32% WSW 15 G 24 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Mon Apr 07 2025 40F 32F / 33% WSW 14 G 24 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Mon Apr 07 2025 42F 33F / 33% WSW 13 G 24 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Mon Apr 07 2025 40F 32F / 37% WSW 14 G 24 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Mon Apr 07 2025 39F 33F / 37% WSW 16 G 28 MPH 8700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Mon Apr 07 2025 37F 32F / 37% SW 16 G 29 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Mon Apr 07 2025 35F 31F / 37% SSW 16 G 29 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Mon Apr 07 2025 33F 31F / 40% SSW 19 G 31 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Mon Apr 07 2025 33F 31F / 35% SW 23 G 37 MPH 8900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Mon Apr 07 2025 33F 31F / 34% SW 25 G 43 MPH 8900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Mon Apr 07 2025 33F 31F / 29% SSW 26 G 46 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Tue Apr 08 2025 33F 32F / 31% SW 29 G 49 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Tue Apr 08 2025 32F 30F / 33% WSW 31 G 55 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Tue Apr 08 2025 31F 30F / 37% WSW 27 G 44 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Tue Apr 08 2025 31F 29F / 43% W 26 G 42 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Tue Apr 08 2025 30F 28F / 44% W 27 G 42 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Tue Apr 08 2025 29F 27F / 47% W 25 G 41 MPH 9200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Tue Apr 08 2025 28F 26F / 66% W 22 G 34 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Tue Apr 08 2025 28F 25F / 77% W 21 G 33 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Tue Apr 08 2025 27F 25F / 75% W 22 G 34 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Tue Apr 08 2025 29F 26F / 76% WSW 23 G 39 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Tue Apr 08 2025 31F 26F / 77% WSW 24 G 39 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Tue Apr 08 2025 32F 27F / 71% WSW 23 G 39 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Tue Apr 08 2025 35F 27F / 69% W 23 G 38 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Tue Apr 08 2025 36F 28F / 71% WSW 21 G 34 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Tue Apr 08 2025 38F 28F / 73% W 19 G 32 MPH 8500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Tue Apr 08 2025 38F 28F / 73% W 18 G 31 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Tue Apr 08 2025 38F 29F / 72% W 20 G 31 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Tue Apr 08 2025 38F 30F / 66% WSW 20 G 35 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Tue Apr 08 2025 35F 29F / 65% W 21 G 35 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Tue Apr 08 2025 33F 29F / 66% W 22 G 37 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Tue Apr 08 2025 31F 28F / 64% W 25 G 40 MPH 8900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Tue Apr 08 2025 30F 28F / 57% W 24 G 37 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Tue Apr 08 2025 30F 28F / 56% W 26 G 39 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Tue Apr 08 2025 30F 27F / 52% W 26 G 42 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Wed Apr 09 2025 30F 27F / 61% W 28 G 42 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Wed Apr 09 2025 30F 27F / 60% W 27 G 42 MPH 8100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Wed Apr 09 2025 30F 27F / 52% WNW 28 G 43 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Wed Apr 09 2025 29F 27F / 52% W 27 G 42 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Wed Apr 09 2025 28F 27F / 50% W 27 G 40 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Wed Apr 09 2025 27F 26F / 50% W 28 G 38 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Wed Apr 09 2025 26F 25F / 54% W 26 G 38 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"