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 16-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 Wed Apr 16 2025 33F 32F / 40% WSW 17 G 24 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Wed Apr 16 2025 34F 32F / 33% W 18 G 25 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Wed Apr 16 2025 34F 32F / 33% W 16 G 22 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Wed Apr 16 2025 35F 32F / 31% WSW 13 G 19 MPH 8900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Wed Apr 16 2025 34F 32F / 35% SW 15 G 22 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Wed Apr 16 2025 35F 32F / 40% SW 15 G 23 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Wed Apr 16 2025 33F 31F / 43% SW 15 G 24 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Wed Apr 16 2025 33F 31F / 44% SW 14 G 22 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Wed Apr 16 2025 32F 31F / 46% SW 15 G 21 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Wed Apr 16 2025 33F 31F / 46% SW 15 G 22 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Wed Apr 16 2025 35F 31F / 47% SW 14 G 23 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Wed Apr 16 2025 40F 33F / 48% SW 13 G 23 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Wed Apr 16 2025 43F 34F / 46% WSW 12 G 20 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Wed Apr 16 2025 45F 35F / 50% SW 11 G 20 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Wed Apr 16 2025 45F 35F / 46% WSW 11 G 20 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Wed Apr 16 2025 45F 35F / 45% W 10 G 17 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Wed Apr 16 2025 45F 35F / 49% SW 8 G 15 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Wed Apr 16 2025 38F 33F / 60% WSW 12 G 23 MPH 9500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Wed Apr 16 2025 40F 34F / 56% WSW 14 G 24 MPH 9600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Wed Apr 16 2025 37F 31F / 72% W 14 G 23 MPH 9500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Wed Apr 16 2025 36F 32F / 57% W 16 G 26 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Wed Apr 16 2025 35F 31F / 53% W 16 G 25 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Wed Apr 16 2025 34F 30F / 53% WSW 17 G 27 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Wed Apr 16 2025 34F 30F / 58% WSW 15 G 25 MPH 9300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Thu Apr 17 2025 33F 29F / 65% W 16 G 25 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Thu Apr 17 2025 33F 29F / 69% WSW 21 G 35 MPH 9000 FT 8:1 / 12% 0.01" / 0.1" 0.01" / 0.1" 26 02 AM Thu Apr 17 2025 33F 28F / 66% W 19 G 30 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.01" / 0.1" 27 03 AM Thu Apr 17 2025 32F 26F / 88% SW 22 G 36 MPH 9000 FT 7:1 / 14% 0.01" / 0.1" 0.02" / 0.2" 28 04 AM Thu Apr 17 2025 31F 26F / 84% SW 18 G 30 MPH 9000 FT 8:1 / 12% 0.02" / 0.2" 0.04" / 0.4" 29 05 AM Thu Apr 17 2025 31F 27F / 80% WSW 21 G 36 MPH 8500 FT 8:1 / 12% 0.04" / 0.3" 0.08" / 0.7" 30 06 AM Thu Apr 17 2025 30F 25F / 80% WSW 19 G 32 MPH 8000 FT 8:1 / 12% 0.00" / 0.0" 0.08" / 0.7" 31 07 AM Thu Apr 17 2025 30F 24F / 93% SW 19 G 32 MPH 8100 FT 8:1 / 12% 0.05" / 0.4" 0.13" / 1.1" 32 08 AM Thu Apr 17 2025 30F 24F / 99% SW 20 G 34 MPH 7500 FT 8:1 / 12% 0.11" / 0.9" 0.24" / 2.0" 33 09 AM Thu Apr 17 2025 28F 22F / 94% WSW 18 G 33 MPH 7300 FT 9:1 / 11% 0.02" / 0.2" 0.26" / 2.2" 34 10 AM Thu Apr 17 2025 28F 21F / 98% WSW 14 G 26 MPH 6800 FT 11:1 / 9% 0.03" / 0.3" 0.29" / 2.5" 35 11 AM Thu Apr 17 2025 28F 21F / 99% W 14 G 24 MPH 6300 FT 10:1 / 10% 0.05" / 0.5" 0.34" / 3.0" 36 12 PM Thu Apr 17 2025 28F 20F / 95% W 23 G 39 MPH 6300 FT 8:1 / 12% 0.13" / 1.0" 0.47" / 4.0" 37 01 PM Thu Apr 17 2025 27F 19F / 90% W 23 G 40 MPH 6500 FT 9:1 / 11% 0.02" / 0.2" 0.49" / 4.2" 38 02 PM Thu Apr 17 2025 27F 19F / 93% W 23 G 43 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.49" / 4.2" 39 03 PM Thu Apr 17 2025 29F 19F / 81% W 22 G 37 MPH 5000 FT 14:1 / 7% 0.00" / 0.0" 0.49" / 4.2" 40 04 PM Thu Apr 17 2025 29F 18F / 70% W 20 G 33 MPH 5000 FT 15:1 / 7% 0.00" / 0.0" 0.49" / 4.2" 41 05 PM Thu Apr 17 2025 29F 18F / 60% W 20 G 32 MPH 5100 FT 15:1 / 7% 0.00" / 0.0" 0.49" / 4.2" 42 06 PM Thu Apr 17 2025 27F 19F / 53% W 22 G 33 MPH 5400 FT 12:1 / 8% 0.00" / 0.0" 0.49" / 4.2" 43 07 PM Thu Apr 17 2025 25F 18F / 59% W 21 G 36 MPH 5600 FT 12:1 / 8% 0.00" / 0.0" 0.49" / 4.2" 44 08 PM Thu Apr 17 2025 22F 16F / 87% W 24 G 37 MPH 5600 FT 15:1 / 7% 0.00" / 0.0" 0.49" / 4.2" 45 09 PM Thu Apr 17 2025 21F 15F / 78% WNW 25 G 39 MPH 5600 FT 13:1 / 8% 0.00" / 0.0" 0.49" / 4.2" 46 10 PM Thu Apr 17 2025 20F 15F / 70% WNW 26 G 42 MPH 5500 FT 16:1 / 6% 0.00" / 0.0" 0.49" / 4.2" 47 11 PM Thu Apr 17 2025 20F 14F / 81% W 22 G 37 MPH 5400 FT 14:1 / 7% 0.00" / 0.0" 0.49" / 4.2" 48 12 AM Fri Apr 18 2025 19F 14F / 80% W 23 G 35 MPH 5100 FT 16:1 / 6% 0.00" / 0.0" 0.49" / 4.2"