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 30-Mar-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 Sun Mar 30 2025 18F 13F / 98% WNW 14 G 20 MPH 6500 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sun Mar 30 2025 17F 12F / 100% WNW 14 G 22 MPH 6400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sun Mar 30 2025 17F 12F / 90% WNW 18 G 28 MPH 6400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sun Mar 30 2025 15F 12F / 84% WNW 18 G 25 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sun Mar 30 2025 16F 12F / 73% WNW 17 G 23 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sun Mar 30 2025 15F 12F / 66% W 20 G 27 MPH 6000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sun Mar 30 2025 15F 11F / 72% W 19 G 26 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sun Mar 30 2025 15F 11F / 66% W 19 G 25 MPH 6000 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sun Mar 30 2025 15F 12F / 58% W 19 G 25 MPH 5800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sun Mar 30 2025 17F 14F / 53% W 19 G 25 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sun Mar 30 2025 20F 15F / 57% W 17 G 24 MPH 5600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sun Mar 30 2025 24F 17F / 60% WSW 14 G 23 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sun Mar 30 2025 26F 17F / 63% WSW 16 G 23 MPH 6100 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sun Mar 30 2025 27F 18F / 70% WSW 13 G 22 MPH 6100 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sun Mar 30 2025 28F 19F / 78% WSW 14 G 25 MPH 6400 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sun Mar 30 2025 28F 19F / 80% WSW 15 G 25 MPH 6600 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sun Mar 30 2025 27F 19F / 91% WSW 13 G 24 MPH 6800 FT 12:1 / 8% 0.01" / 0.1" 0.01" / 0.1" 17 05 PM Sun Mar 30 2025 27F 19F / 93% WSW 17 G 28 MPH 7100 FT 12:1 / 8% 0.02" / 0.2" 0.03" / 0.3" 18 06 PM Sun Mar 30 2025 26F 19F / 90% WSW 18 G 29 MPH 7100 FT 12:1 / 8% 0.01" / 0.1" 0.04" / 0.4" 19 07 PM Sun Mar 30 2025 26F 19F / 84% WSW 19 G 32 MPH 6900 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 20 08 PM Sun Mar 30 2025 23F 18F / 84% WSW 21 G 34 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.04" / 0.4" 21 09 PM Sun Mar 30 2025 22F 19F / 80% WSW 23 G 36 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 22 10 PM Sun Mar 30 2025 22F 19F / 75% WSW 22 G 35 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 23 11 PM Sun Mar 30 2025 23F 20F / 67% WSW 22 G 33 MPH 7100 FT 14:1 / 7% 0.00" / 0.0" 0.04" / 0.4" 24 12 AM Mon Mar 31 2025 23F 20F / 69% WSW 20 G 32 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 25 01 AM Mon Mar 31 2025 23F 20F / 68% WSW 19 G 30 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 26 02 AM Mon Mar 31 2025 24F 21F / 62% WSW 19 G 31 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 27 03 AM Mon Mar 31 2025 24F 21F / 63% SW 19 G 30 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 28 04 AM Mon Mar 31 2025 23F 21F / 65% SSW 21 G 34 MPH 7100 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 29 05 AM Mon Mar 31 2025 24F 21F / 62% SSW 23 G 38 MPH 7000 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 30 06 AM Mon Mar 31 2025 24F 21F / 63% SSW 23 G 40 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 31 07 AM Mon Mar 31 2025 24F 21F / 65% SSW 25 G 42 MPH 6700 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 32 08 AM Mon Mar 31 2025 24F 21F / 70% SSW 26 G 44 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 33 09 AM Mon Mar 31 2025 26F 21F / 78% SSW 24 G 43 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 34 10 AM Mon Mar 31 2025 28F 21F / 79% SW 23 G 41 MPH 7000 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 35 11 AM Mon Mar 31 2025 29F 21F / 79% SSW 21 G 39 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 36 12 PM Mon Mar 31 2025 31F 21F / 81% SSW 20 G 39 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 37 01 PM Mon Mar 31 2025 34F 24F / 64% SW 21 G 41 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 38 02 PM Mon Mar 31 2025 34F 26F / 62% SW 19 G 39 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 39 03 PM Mon Mar 31 2025 34F 26F / 68% SW 19 G 38 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 40 04 PM Mon Mar 31 2025 33F 24F / 85% SW 22 G 45 MPH 7500 FT 10:1 / 10% 0.01" / 0.1" 0.05" / 0.5" 41 05 PM Mon Mar 31 2025 34F 26F / 81% SW 22 G 41 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.05" / 0.5" 42 06 PM Mon Mar 31 2025 28F 22F / 99% W 19 G 32 MPH 7600 FT 9:1 / 11% 0.07" / 0.6" 0.12" / 1.1" 43 07 PM Mon Mar 31 2025 28F 21F / 99% WSW 17 G 31 MPH 7400 FT 9:1 / 11% 0.21" / 1.9" 0.33" / 3.0" 44 08 PM Mon Mar 31 2025 28F 21F / 100% WSW 22 G 38 MPH 7500 FT 8:1 / 12% 0.14" / 1.1" 0.47" / 4.1" 45 09 PM Mon Mar 31 2025 27F 20F / 97% W 21 G 37 MPH 6700 FT 11:1 / 9% 0.22" / 2.4" 0.69" / 6.5" 46 10 PM Mon Mar 31 2025 25F 18F / 95% WNW 25 G 44 MPH 5500 FT 11:1 / 9% 0.22" / 2.4" 0.91" / 8.9" 47 11 PM Mon Mar 31 2025 21F 14F / 97% W 23 G 43 MPH 5400 FT 16:1 / 6% 0.11" / 1.8" 1.02" / 10.7" 48 12 AM Tue Apr 01 2025 20F 13F / 93% W 23 G 39 MPH 5300 FT 15:1 / 7% 0.03" / 0.4" 1.05" / 11.1"