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 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 05 AM Sat Feb 01 2025 25F 20F / 100% W 21 G 35 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Sat Feb 01 2025 24F 18F / 97% W 28 G 46 MPH 6900 FT 9:1 / 11% 0.05" / 0.4" 0.05" / 0.4" 2 07 AM Sat Feb 01 2025 24F 18F / 100% W 25 G 40 MPH 6600 FT 10:1 / 10% 0.01" / 0.1" 0.06" / 0.5" 3 08 AM Sat Feb 01 2025 23F 18F / 97% W 24 G 37 MPH 6800 FT 8:1 / 12% 0.08" / 0.6" 0.14" / 1.1" 4 09 AM Sat Feb 01 2025 24F 18F / 97% WSW 21 G 35 MPH 6700 FT 10:1 / 10% 0.07" / 0.7" 0.21" / 1.8" 5 10 AM Sat Feb 01 2025 24F 18F / 94% WSW 23 G 36 MPH 6500 FT 9:1 / 11% 0.09" / 0.8" 0.30" / 2.6" 6 11 AM Sat Feb 01 2025 25F 18F / 96% WSW 22 G 39 MPH 6400 FT 8:1 / 12% 0.08" / 0.6" 0.38" / 3.2" 7 12 PM Sat Feb 01 2025 27F 19F / 96% WSW 23 G 40 MPH 6400 FT 8:1 / 12% 0.09" / 0.7" 0.47" / 3.9" 8 01 PM Sat Feb 01 2025 28F 19F / 97% WSW 21 G 39 MPH 6900 FT 8:1 / 12% 0.09" / 0.7" 0.56" / 4.6" 9 02 PM Sat Feb 01 2025 26F 18F / 98% WSW 23 G 40 MPH 7000 FT 8:1 / 12% 0.05" / 0.4" 0.61" / 5.0" 10 03 PM Sat Feb 01 2025 25F 17F / 99% WSW 24 G 42 MPH 7000 FT 7:1 / 14% 0.05" / 0.4" 0.66" / 5.4" 11 04 PM Sat Feb 01 2025 25F 18F / 100% WSW 28 G 49 MPH 7200 FT 7:1 / 14% 0.05" / 0.4" 0.71" / 5.8" 12 05 PM Sat Feb 01 2025 26F 18F / 100% WSW 31 G 51 MPH 7400 FT 7:1 / 14% 0.02" / 0.1" 0.73" / 5.9" 13 06 PM Sat Feb 01 2025 26F 19F / 100% WSW 30 G 50 MPH 7300 FT 8:1 / 12% 0.01" / 0.1" 0.74" / 6.0" 14 07 PM Sat Feb 01 2025 26F 20F / 100% WSW 30 G 48 MPH 7100 FT 8:1 / 12% 0.04" / 0.3" 0.78" / 6.3" 15 08 PM Sat Feb 01 2025 28F 22F / 100% WSW 29 G 50 MPH 7500 FT 8:1 / 12% 0.09" / 0.7" 0.87" / 7.0" 16 09 PM Sat Feb 01 2025 29F 22F / 100% SW 31 G 56 MPH 8100 FT 8:1 / 12% 0.12" / 1.0" 0.99" / 8.0" 17 10 PM Sat Feb 01 2025 29F 23F / 100% SW 34 G 60 MPH 8200 FT 9:1 / 11% 0.07" / 0.6" 1.06" / 8.6" 18 11 PM Sat Feb 01 2025 29F 23F / 100% SW 35 G 60 MPH 8300 FT 9:1 / 11% 0.04" / 0.4" 1.10" / 9.0" 19 12 AM Sun Feb 02 2025 29F 23F / 100% WSW 35 G 59 MPH 8500 FT 9:1 / 11% 0.04" / 0.4" 1.14" / 9.4" 20 01 AM Sun Feb 02 2025 29F 23F / 100% SW 35 G 58 MPH 8800 FT 9:1 / 11% 0.03" / 0.3" 1.17" / 9.7" 21 02 AM Sun Feb 02 2025 29F 23F / 100% WSW 35 G 59 MPH 9000 FT 9:1 / 11% 0.04" / 0.4" 1.21" / 10.1" 22 03 AM Sun Feb 02 2025 30F 24F / 100% WSW 34 G 58 MPH 8900 FT 8:1 / 12% 0.06" / 0.5" 1.27" / 10.6" 23 04 AM Sun Feb 02 2025 30F 24F / 100% WSW 35 G 60 MPH 9000 FT 8:1 / 12% 0.01" / 0.1" 1.28" / 10.7" 24 05 AM Sun Feb 02 2025 30F 24F / 100% WSW 37 G 59 MPH 8900 FT 8:1 / 12% 0.02" / 0.2" 1.30" / 10.9" 25 06 AM Sun Feb 02 2025 30F 24F / 100% WSW 34 G 56 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 1.30" / 10.9" 26 07 AM Sun Feb 02 2025 30F 24F / 100% WSW 34 G 56 MPH 8900 FT 9:1 / 11% 0.02" / 0.2" 1.32" / 11.1" 27 08 AM Sun Feb 02 2025 30F 24F / 100% WSW 34 G 56 MPH 8900 FT 9:1 / 11% 0.02" / 0.2" 1.34" / 11.3" 28 09 AM Sun Feb 02 2025 29F 23F / 98% WSW 33 G 57 MPH 8800 FT 9:1 / 11% 0.01" / 0.1" 1.35" / 11.4" 29 10 AM Sun Feb 02 2025 29F 23F / 92% WSW 35 G 59 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 30 11 AM Sun Feb 02 2025 30F 23F / 82% WSW 35 G 58 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 31 12 PM Sun Feb 02 2025 32F 24F / 84% WSW 31 G 53 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 32 01 PM Sun Feb 02 2025 32F 23F / 82% SW 31 G 54 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 33 02 PM Sun Feb 02 2025 33F 23F / 73% WSW 29 G 51 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 34 03 PM Sun Feb 02 2025 33F 24F / 70% SW 27 G 46 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 35 04 PM Sun Feb 02 2025 33F 25F / 68% WSW 26 G 45 MPH 8600 FT 8:1 / 12% 0.00" / 0.0" 1.35" / 11.4" 36 05 PM Sun Feb 02 2025 31F 25F / 64% WSW 26 G 42 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 1.35" / 11.4" 37 06 PM Sun Feb 02 2025 31F 26F / 65% W 26 G 48 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 38 07 PM Sun Feb 02 2025 30F 26F / 73% W 29 G 47 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 1.35" / 11.4" 39 08 PM Sun Feb 02 2025 29F 25F / 91% W 28 G 46 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 1.35" / 11.4" 40 09 PM Sun Feb 02 2025 30F 25F / 96% WSW 28 G 46 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 41 10 PM Sun Feb 02 2025 30F 26F / 83% SW 25 G 43 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 42 11 PM Sun Feb 02 2025 29F 26F / 71% SW 32 G 56 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 43 12 AM Mon Feb 03 2025 29F 26F / 70% SW 32 G 58 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 44 01 AM Mon Feb 03 2025 29F 27F / 61% SW 35 G 58 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 1.35" / 11.4" 45 02 AM Mon Feb 03 2025 30F 27F / 58% SW 32 G 54 MPH 8100 FT 7:1 / 14% 0.00" / 0.0" 1.35" / 11.4" 46 03 AM Mon Feb 03 2025 29F 27F / 53% SW 33 G 54 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 1.35" / 11.4" 47 04 AM Mon Feb 03 2025 29F 27F / 49% SW 33 G 53 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 1.35" / 11.4" 48 05 AM Mon Feb 03 2025 29F 27F / 47% SW 33 G 52 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 1.35" / 11.4"