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 00Z 24-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 PM Sun Feb 23 2025 28F 24F / 72% W 21 G 34 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 06 PM Sun Feb 23 2025 26F 23F / 72% W 22 G 35 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 07 PM Sun Feb 23 2025 27F 23F / 89% W 29 G 45 MPH 7500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 3 08 PM Sun Feb 23 2025 27F 23F / 97% W 29 G 46 MPH 8800 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 4 09 PM Sun Feb 23 2025 28F 24F / 90% W 31 G 47 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 5 10 PM Sun Feb 23 2025 28F 24F / 89% W 31 G 48 MPH 8700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 11 PM Sun Feb 23 2025 27F 24F / 91% W 30 G 48 MPH 8900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 7 12 AM Mon Feb 24 2025 28F 24F / 97% W 32 G 51 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 01 AM Mon Feb 24 2025 29F 24F / 100% W 31 G 51 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 9 02 AM Mon Feb 24 2025 29F 24F / 95% W 31 G 51 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 10 03 AM Mon Feb 24 2025 28F 24F / 95% W 30 G 48 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 11 04 AM Mon Feb 24 2025 28F 23F / 92% WNW 31 G 48 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 05 AM Mon Feb 24 2025 27F 23F / 88% WNW 29 G 46 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 13 06 AM Mon Feb 24 2025 27F 23F / 86% W 29 G 44 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 07 AM Mon Feb 24 2025 27F 23F / 82% WNW 31 G 46 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 15 08 AM Mon Feb 24 2025 27F 23F / 83% WNW 31 G 48 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 09 AM Mon Feb 24 2025 29F 24F / 82% WNW 29 G 43 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 17 10 AM Mon Feb 24 2025 31F 25F / 74% W 28 G 42 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 18 11 AM Mon Feb 24 2025 33F 26F / 65% W 27 G 42 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 19 12 PM Mon Feb 24 2025 34F 27F / 50% W 28 G 44 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 20 01 PM Mon Feb 24 2025 35F 27F / 51% W 28 G 42 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 21 02 PM Mon Feb 24 2025 36F 26F / 58% W 28 G 42 MPH 8300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 03 PM Mon Feb 24 2025 35F 27F / 67% W 27 G 42 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 04 PM Mon Feb 24 2025 35F 28F / 71% W 26 G 38 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 24 05 PM Mon Feb 24 2025 33F 28F / 71% W 25 G 38 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 06 PM Mon Feb 24 2025 31F 27F / 70% W 24 G 36 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 26 07 PM Mon Feb 24 2025 30F 27F / 72% W 22 G 33 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 08 PM Mon Feb 24 2025 30F 27F / 71% WSW 18 G 27 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 09 PM Mon Feb 24 2025 30F 25F / 87% SSW 19 G 32 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 10 PM Mon Feb 24 2025 29F 25F / 90% SW 19 G 33 MPH 9100 FT 7:1 / 14% 0.07" / 0.5" 0.07" / 0.5" 30 11 PM Mon Feb 24 2025 30F 26F / 84% SW 19 G 32 MPH 9000 FT 11:1 / 9% 0.00" / 0.0" 0.07" / 0.5" 31 12 AM Tue Feb 25 2025 29F 25F / 95% SW 17 G 30 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.07" / 0.5" 32 01 AM Tue Feb 25 2025 29F 25F / 95% SW 17 G 30 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.07" / 0.5" 33 02 AM Tue Feb 25 2025 29F 25F / 97% SW 16 G 29 MPH 9100 FT 11:1 / 9% 0.04" / 0.4" 0.11" / 0.9" 34 03 AM Tue Feb 25 2025 30F 25F / 96% WSW 20 G 34 MPH 8800 FT 10:1 / 10% 0.09" / 0.9" 0.20" / 1.8" 35 04 AM Tue Feb 25 2025 30F 24F / 83% W 27 G 44 MPH 8500 FT 8:1 / 12% 0.09" / 0.7" 0.29" / 2.5" 36 05 AM Tue Feb 25 2025 28F 24F / 72% W 30 G 50 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.29" / 2.5" 37 06 AM Tue Feb 25 2025 26F 24F / 56% W 32 G 46 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.29" / 2.5" 38 07 AM Tue Feb 25 2025 25F 23F / 51% W 33 G 51 MPH 6500 FT 7:1 / 14% 0.00" / 0.0" 0.29" / 2.5" 39 08 AM Tue Feb 25 2025 24F 21F / 67% W 29 G 44 MPH 6800 FT 10:1 / 10% 0.00" / 0.0" 0.29" / 2.5" 40 09 AM Tue Feb 25 2025 27F 21F / 76% W 26 G 42 MPH 6500 FT 11:1 / 9% 0.00" / 0.0" 0.29" / 2.5" 41 10 AM Tue Feb 25 2025 26F 20F / 83% W 24 G 37 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.29" / 2.5" 42 11 AM Tue Feb 25 2025 26F 18F / 93% W 24 G 40 MPH 5900 FT 12:1 / 8% 0.00" / 0.0" 0.29" / 2.5" 43 12 PM Tue Feb 25 2025 27F 18F / 93% W 25 G 36 MPH 6100 FT 12:1 / 8% 0.00" / 0.0" 0.29" / 2.5" 44 01 PM Tue Feb 25 2025 26F 17F / 81% W 27 G 42 MPH 6000 FT 12:1 / 8% 0.00" / 0.0" 0.29" / 2.5" 45 02 PM Tue Feb 25 2025 26F 16F / 93% W 26 G 40 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.29" / 2.5" 46 03 PM Tue Feb 25 2025 25F 15F / 91% W 24 G 38 MPH 5600 FT 13:1 / 8% 0.00" / 0.0" 0.29" / 2.5" 47 04 PM Tue Feb 25 2025 24F 16F / 88% W 27 G 41 MPH 5000 FT 16:1 / 6% 0.00" / 0.0" 0.29" / 2.5" 48 05 PM Tue Feb 25 2025 21F 14F / 86% WNW 27 G 41 MPH 5000 FT 17:1 / 6% 0.00" / 0.0" 0.29" / 2.5"