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 18Z 01-Feb-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 11 AM Sat Feb 01 2025 27F 18F / 100% W 23 G 38 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Sat Feb 01 2025 26F 17F / 100% WSW 22 G 38 MPH 7000 FT 10:1 / 10% 0.04" / 0.4" 0.04" / 0.4" 2 01 PM Sat Feb 01 2025 27F 18F / 100% WSW 21 G 38 MPH 6900 FT 11:1 / 9% 0.05" / 0.6" 0.09" / 1.0" 3 02 PM Sat Feb 01 2025 27F 18F / 100% WSW 24 G 43 MPH 7000 FT 9:1 / 11% 0.04" / 0.4" 0.13" / 1.4" 4 03 PM Sat Feb 01 2025 26F 17F / 99% WSW 26 G 44 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.13" / 1.4" 5 04 PM Sat Feb 01 2025 26F 17F / 100% WSW 29 G 46 MPH 7200 FT 6:1 / 17% 0.01" / 0.1" 0.14" / 1.5" 6 05 PM Sat Feb 01 2025 25F 18F / 100% WSW 27 G 46 MPH 7200 FT 6:1 / 17% 0.02" / 0.1" 0.16" / 1.6" 7 06 PM Sat Feb 01 2025 26F 19F / 100% WSW 30 G 50 MPH 7300 FT 8:1 / 12% 0.04" / 0.3" 0.20" / 1.9" 8 07 PM Sat Feb 01 2025 27F 20F / 100% WSW 30 G 49 MPH 7200 FT 9:1 / 11% 0.03" / 0.3" 0.23" / 2.2" 9 08 PM Sat Feb 01 2025 28F 22F / 100% WSW 31 G 53 MPH 8000 FT 10:1 / 10% 0.02" / 0.2" 0.25" / 2.4" 10 09 PM Sat Feb 01 2025 29F 22F / 100% SW 33 G 56 MPH 8300 FT 7:1 / 14% 0.04" / 0.3" 0.29" / 2.7" 11 10 PM Sat Feb 01 2025 29F 23F / 99% WSW 35 G 57 MPH 8100 FT 7:1 / 14% 0.07" / 0.5" 0.36" / 3.2" 12 11 PM Sat Feb 01 2025 29F 24F / 92% SW 37 G 62 MPH 7900 FT 9:1 / 11% 0.05" / 0.4" 0.41" / 3.6" 13 12 AM Sun Feb 02 2025 29F 24F / 98% WSW 36 G 63 MPH 7800 FT 8:1 / 12% 0.04" / 0.3" 0.45" / 3.9" 14 01 AM Sun Feb 02 2025 30F 25F / 87% SW 38 G 63 MPH 8300 FT 8:1 / 12% 0.03" / 0.2" 0.48" / 4.1" 15 02 AM Sun Feb 02 2025 29F 24F / 100% WSW 37 G 61 MPH 8400 FT 8:1 / 12% 0.01" / 0.1" 0.49" / 4.2" 16 03 AM Sun Feb 02 2025 30F 24F / 100% WSW 35 G 60 MPH 8900 FT 8:1 / 12% 0.02" / 0.2" 0.51" / 4.4" 17 04 AM Sun Feb 02 2025 30F 24F / 100% WSW 37 G 62 MPH 9000 FT 8:1 / 12% 0.02" / 0.2" 0.53" / 4.6" 18 05 AM Sun Feb 02 2025 31F 24F / 100% WSW 35 G 58 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 19 06 AM Sun Feb 02 2025 30F 24F / 96% WSW 34 G 59 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 20 07 AM Sun Feb 02 2025 30F 24F / 100% WSW 36 G 58 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 21 08 AM Sun Feb 02 2025 30F 23F / 97% WSW 37 G 62 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 22 09 AM Sun Feb 02 2025 29F 23F / 86% WSW 38 G 62 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 23 10 AM Sun Feb 02 2025 29F 22F / 81% WSW 36 G 61 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 24 11 AM Sun Feb 02 2025 30F 23F / 83% WSW 35 G 58 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 25 12 PM Sun Feb 02 2025 31F 23F / 84% SW 31 G 53 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 26 01 PM Sun Feb 02 2025 32F 23F / 83% WSW 32 G 57 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 27 02 PM Sun Feb 02 2025 33F 23F / 80% WSW 30 G 51 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 28 03 PM Sun Feb 02 2025 33F 24F / 78% WSW 25 G 45 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 29 04 PM Sun Feb 02 2025 33F 25F / 70% WSW 24 G 44 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 30 05 PM Sun Feb 02 2025 31F 25F / 68% WSW 24 G 41 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 31 06 PM Sun Feb 02 2025 30F 25F / 72% WSW 26 G 44 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 32 07 PM Sun Feb 02 2025 30F 25F / 84% WSW 25 G 41 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 33 08 PM Sun Feb 02 2025 30F 25F / 90% WSW 28 G 46 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 34 09 PM Sun Feb 02 2025 30F 24F / 88% WSW 26 G 43 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 35 10 PM Sun Feb 02 2025 30F 25F / 80% SW 27 G 47 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 36 11 PM Sun Feb 02 2025 29F 24F / 77% SW 29 G 50 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 37 12 AM Mon Feb 03 2025 31F 27F / 56% SW 34 G 59 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 38 01 AM Mon Feb 03 2025 30F 27F / 57% WSW 35 G 58 MPH 8300 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 39 02 AM Mon Feb 03 2025 30F 27F / 53% WSW 34 G 57 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 40 03 AM Mon Feb 03 2025 30F 27F / 51% WSW 32 G 52 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.53" / 4.6" 41 04 AM Mon Feb 03 2025 29F 27F / 44% WSW 31 G 49 MPH 7900 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 42 05 AM Mon Feb 03 2025 29F 27F / 47% WSW 30 G 49 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.53" / 4.6" 43 06 AM Mon Feb 03 2025 29F 27F / 42% WSW 30 G 47 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.53" / 4.6" 44 07 AM Mon Feb 03 2025 29F 27F / 39% WSW 31 G 49 MPH 7700 FT 7:1 / 14% 0.00" / 0.0" 0.53" / 4.6" 45 08 AM Mon Feb 03 2025 29F 27F / 45% SW 30 G 50 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 0.53" / 4.6" 46 09 AM Mon Feb 03 2025 30F 26F / 48% SW 29 G 48 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.53" / 4.6" 47 10 AM Mon Feb 03 2025 32F 27F / 47% SW 28 G 48 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.53" / 4.6" 48 11 AM Mon Feb 03 2025 35F 29F / 43% SW 27 G 48 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.53" / 4.6"