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 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 PM Fri Jan 31 2025 27F 23F / 85% WSW 27 G 43 MPH 6700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Sat Feb 01 2025 25F 22F / 60% WSW 28 G 45 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Sat Feb 01 2025 26F 21F / 52% WSW 26 G 43 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Sat Feb 01 2025 25F 20F / 54% WSW 22 G 35 MPH 6900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Sat Feb 01 2025 24F 19F / 92% WSW 25 G 40 MPH 6300 FT 8:1 / 12% 0.03" / 0.2" 0.03" / 0.2" 5 04 AM Sat Feb 01 2025 24F 19F / 96% W 23 G 39 MPH 7300 FT 8:1 / 12% 0.13" / 1.0" 0.16" / 1.2" 6 05 AM Sat Feb 01 2025 24F 18F / 94% SW 21 G 36 MPH 7500 FT 8:1 / 12% 0.14" / 1.1" 0.30" / 2.3" 7 06 AM Sat Feb 01 2025 22F 18F / 92% WSW 24 G 42 MPH 7500 FT 7:1 / 14% 0.05" / 0.4" 0.35" / 2.7" 8 07 AM Sat Feb 01 2025 22F 19F / 92% WSW 24 G 40 MPH 5600 FT 7:1 / 14% 0.04" / 0.3" 0.39" / 3.0" 9 08 AM Sat Feb 01 2025 23F 18F / 95% WSW 25 G 41 MPH 6500 FT 8:1 / 12% 0.05" / 0.4" 0.44" / 3.4" 10 09 AM Sat Feb 01 2025 24F 19F / 97% WSW 26 G 43 MPH 5500 FT 8:1 / 12% 0.08" / 0.6" 0.52" / 4.0" 11 10 AM Sat Feb 01 2025 23F 18F / 91% WSW 25 G 43 MPH 6800 FT 6:1 / 17% 0.07" / 0.4" 0.59" / 4.4" 12 11 AM Sat Feb 01 2025 24F 18F / 85% WSW 26 G 45 MPH 7000 FT 7:1 / 14% 0.02" / 0.1" 0.61" / 4.5" 13 12 PM Sat Feb 01 2025 26F 18F / 93% WSW 25 G 45 MPH 6200 FT 6:1 / 17% 0.03" / 0.2" 0.64" / 4.7" 14 01 PM Sat Feb 01 2025 26F 17F / 92% WSW 26 G 47 MPH 5900 FT 7:1 / 14% 0.02" / 0.1" 0.66" / 4.8" 15 02 PM Sat Feb 01 2025 25F 18F / 91% WSW 28 G 46 MPH 6100 FT 7:1 / 14% 0.03" / 0.2" 0.69" / 5.0" 16 03 PM Sat Feb 01 2025 26F 19F / 97% WSW 29 G 48 MPH 6500 FT 7:1 / 14% 0.05" / 0.4" 0.74" / 5.4" 17 04 PM Sat Feb 01 2025 26F 19F / 97% WSW 31 G 50 MPH 6900 FT 8:1 / 12% 0.03" / 0.2" 0.77" / 5.6" 18 05 PM Sat Feb 01 2025 27F 19F / 97% WSW 29 G 50 MPH 7000 FT 9:1 / 11% 0.03" / 0.3" 0.80" / 5.9" 19 06 PM Sat Feb 01 2025 27F 21F / 100% WSW 30 G 51 MPH 7400 FT 8:1 / 12% 0.05" / 0.4" 0.85" / 6.3" 20 07 PM Sat Feb 01 2025 28F 21F / 100% WSW 28 G 50 MPH 8000 FT 10:1 / 10% 0.09" / 0.9" 0.94" / 7.2" 21 08 PM Sat Feb 01 2025 29F 22F / 100% SW 31 G 54 MPH 8100 FT 10:1 / 10% 0.11" / 1.1" 1.05" / 8.3" 22 09 PM Sat Feb 01 2025 29F 23F / 100% SW 33 G 58 MPH 8200 FT 9:1 / 11% 0.11" / 1.0" 1.16" / 9.3" 23 10 PM Sat Feb 01 2025 29F 23F / 100% WSW 34 G 56 MPH 8600 FT 9:1 / 11% 0.11" / 1.0" 1.27" / 10.3" 24 11 PM Sat Feb 01 2025 29F 22F / 100% WSW 32 G 55 MPH 8700 FT 9:1 / 11% 0.12" / 1.1" 1.39" / 11.4" 25 12 AM Sun Feb 02 2025 28F 23F / 100% WSW 32 G 53 MPH 8900 FT 8:1 / 12% 0.10" / 0.8" 1.49" / 12.2" 26 01 AM Sun Feb 02 2025 29F 23F / 100% WSW 32 G 55 MPH 8700 FT 8:1 / 12% 0.09" / 0.7" 1.58" / 12.9" 27 02 AM Sun Feb 02 2025 29F 23F / 100% WSW 29 G 47 MPH 8800 FT 7:1 / 14% 0.16" / 1.1" 1.74" / 14.0" 28 03 AM Sun Feb 02 2025 29F 23F / 100% WSW 31 G 53 MPH 8500 FT 9:1 / 11% 0.14" / 1.3" 1.88" / 15.3" 29 04 AM Sun Feb 02 2025 29F 23F / 100% SW 30 G 51 MPH 8600 FT 8:1 / 12% 0.14" / 1.1" 2.02" / 16.4" 30 05 AM Sun Feb 02 2025 29F 23F / 100% SW 32 G 54 MPH 8300 FT 9:1 / 11% 0.07" / 0.6" 2.09" / 17.0" 31 06 AM Sun Feb 02 2025 29F 23F / 100% WSW 33 G 55 MPH 8400 FT 9:1 / 11% 0.06" / 0.5" 2.15" / 17.5" 32 07 AM Sun Feb 02 2025 29F 23F / 100% WSW 37 G 60 MPH 8600 FT 8:1 / 12% 0.03" / 0.2" 2.18" / 17.7" 33 08 AM Sun Feb 02 2025 30F 23F / 100% WSW 39 G 65 MPH 8900 FT 9:1 / 11% 0.01" / 0.1" 2.19" / 17.8" 34 09 AM Sun Feb 02 2025 30F 22F / 100% WSW 37 G 62 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 2.19" / 17.8" 35 10 AM Sun Feb 02 2025 30F 22F / 87% WSW 37 G 63 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 2.19" / 17.8" 36 11 AM Sun Feb 02 2025 31F 23F / 91% WSW 34 G 59 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 2.19" / 17.8" 37 12 PM Sun Feb 02 2025 32F 23F / 86% WSW 36 G 62 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 2.19" / 17.8" 38 01 PM Sun Feb 02 2025 33F 23F / 86% WSW 30 G 58 MPH 8500 FT 8:1 / 12% 0.00" / 0.0" 2.19" / 17.8" 39 02 PM Sun Feb 02 2025 33F 24F / 84% WSW 29 G 54 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 2.19" / 17.8" 40 03 PM Sun Feb 02 2025 33F 24F / 75% WSW 29 G 52 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 2.19" / 17.8" 41 04 PM Sun Feb 02 2025 33F 24F / 75% WSW 26 G 46 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 2.19" / 17.8" 42 05 PM Sun Feb 02 2025 30F 25F / 81% WSW 22 G 39 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 2.19" / 17.8" 43 06 PM Sun Feb 02 2025 30F 25F / 84% WSW 27 G 49 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 2.19" / 17.8" 44 07 PM Sun Feb 02 2025 30F 25F / 88% WSW 30 G 49 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 2.19" / 17.8" 45 08 PM Sun Feb 02 2025 31F 25F / 83% WSW 29 G 50 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 2.19" / 17.8" 46 09 PM Sun Feb 02 2025 30F 25F / 84% WSW 30 G 49 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 2.19" / 17.8" 47 10 PM Sun Feb 02 2025 31F 25F / 82% SW 33 G 56 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 2.19" / 17.8" 48 11 PM Sun Feb 02 2025 31F 26F / 76% SW 37 G 61 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 2.19" / 17.8"