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 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 06 AM Sun Mar 30 2025 15F 11F / 80% W 22 G 30 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sun Mar 30 2025 15F 12F / 78% W 17 G 23 MPH 6100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sun Mar 30 2025 16F 13F / 70% W 18 G 25 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sun Mar 30 2025 16F 13F / 68% W 17 G 23 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sun Mar 30 2025 21F 15F / 64% W 15 G 23 MPH 5700 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sun Mar 30 2025 24F 16F / 65% WSW 13 G 20 MPH 5900 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sun Mar 30 2025 26F 17F / 69% WSW 13 G 20 MPH 6100 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sun Mar 30 2025 27F 19F / 63% WSW 14 G 22 MPH 6200 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sun Mar 30 2025 28F 19F / 68% SW 14 G 26 MPH 6500 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sun Mar 30 2025 28F 19F / 76% SW 15 G 28 MPH 6700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sun Mar 30 2025 28F 20F / 79% SW 16 G 29 MPH 7000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sun Mar 30 2025 29F 20F / 78% SW 14 G 27 MPH 7000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sun Mar 30 2025 28F 20F / 76% SW 14 G 23 MPH 7000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sun Mar 30 2025 27F 20F / 71% SW 16 G 27 MPH 7000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sun Mar 30 2025 24F 19F / 72% WSW 19 G 30 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sun Mar 30 2025 23F 19F / 73% SW 19 G 30 MPH 7000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sun Mar 30 2025 23F 18F / 79% WSW 19 G 32 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sun Mar 30 2025 23F 19F / 72% WSW 22 G 34 MPH 7200 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Mon Mar 31 2025 23F 20F / 67% WSW 21 G 33 MPH 7300 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Mon Mar 31 2025 23F 20F / 66% WSW 20 G 31 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Mon Mar 31 2025 24F 21F / 69% WSW 18 G 29 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Mon Mar 31 2025 24F 20F / 73% SW 16 G 28 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Mon Mar 31 2025 25F 21F / 71% SW 18 G 30 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Mon Mar 31 2025 24F 20F / 78% SW 18 G 31 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Mon Mar 31 2025 24F 21F / 76% SW 17 G 28 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Mon Mar 31 2025 24F 20F / 77% SW 16 G 25 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Mon Mar 31 2025 24F 20F / 78% SSW 16 G 25 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Mon Mar 31 2025 25F 20F / 75% SSW 15 G 30 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Mon Mar 31 2025 27F 20F / 82% S 19 G 36 MPH 6600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Mon Mar 31 2025 28F 20F / 89% S 20 G 39 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Mon Mar 31 2025 31F 20F / 93% SSW 20 G 39 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Mon Mar 31 2025 32F 21F / 79% SW 24 G 45 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Mon Mar 31 2025 33F 22F / 65% SW 22 G 40 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Mon Mar 31 2025 34F 23F / 68% SSW 20 G 40 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Mon Mar 31 2025 33F 22F / 80% SW 23 G 45 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Mon Mar 31 2025 33F 23F / 75% SW 22 G 45 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Mon Mar 31 2025 30F 21F / 90% SW 25 G 45 MPH 7600 FT 9:1 / 11% 0.01" / 0.1" 0.01" / 0.1" 37 07 PM Mon Mar 31 2025 29F 21F / 96% WSW 18 G 33 MPH 7400 FT 11:1 / 9% 0.02" / 0.2" 0.03" / 0.3" 38 08 PM Mon Mar 31 2025 27F 20F / 97% W 21 G 38 MPH 6800 FT 9:1 / 11% 0.14" / 1.3" 0.17" / 1.6" 39 09 PM Mon Mar 31 2025 23F 16F / 93% WNW 27 G 45 MPH 6100 FT 9:1 / 11% 0.25" / 2.2" 0.42" / 3.8" 40 10 PM Mon Mar 31 2025 22F 15F / 95% WNW 28 G 47 MPH 5800 FT 10:1 / 10% 0.19" / 1.9" 0.61" / 5.7" 41 11 PM Mon Mar 31 2025 19F 12F / 95% WNW 28 G 44 MPH 5400 FT 13:1 / 8% 0.19" / 2.5" 0.80" / 8.2" 42 12 AM Tue Apr 01 2025 19F 13F / 87% W 27 G 43 MPH 5300 FT 15:1 / 7% 0.05" / 0.8" 0.85" / 9.0" 43 01 AM Tue Apr 01 2025 17F 11F / 87% W 25 G 39 MPH 5200 FT 16:1 / 6% 0.01" / 0.2" 0.86" / 9.2" 44 02 AM Tue Apr 01 2025 16F 10F / 91% W 23 G 34 MPH 5000 FT 14:1 / 7% 0.01" / 0.1" 0.87" / 9.3" 45 03 AM Tue Apr 01 2025 16F 10F / 85% W 21 G 32 MPH 4900 FT 17:1 / 6% 0.01" / 0.2" 0.88" / 9.5" 46 04 AM Tue Apr 01 2025 14F 8F / 95% WSW 20 G 34 MPH 4900 FT 17:1 / 6% 0.00" / 0.0" 0.88" / 9.5" 47 05 AM Tue Apr 01 2025 15F 8F / 96% WSW 20 G 32 MPH 4600 FT 16:1 / 6% 0.02" / 0.3" 0.90" / 9.8" 48 06 AM Tue Apr 01 2025 15F 9F / 92% W 24 G 36 MPH 4500 FT 13:1 / 8% 0.10" / 1.3" 1.00" / 11.1"