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 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 PM Sat Mar 29 2025 25F 17F / 92% WNW 15 G 26 MPH 6300 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat Mar 29 2025 23F 17F / 97% W 8 G 14 MPH 6500 FT 13:1 / 8% 0.01" / 0.1" 0.01" / 0.1" 2 08 PM Sat Mar 29 2025 22F 17F / 100% WNW 10 G 16 MPH 6700 FT 15:1 / 7% 0.00" / 0.0" 0.01" / 0.1" 3 09 PM Sat Mar 29 2025 22F 16F / 100% WNW 12 G 20 MPH 6600 FT 15:1 / 7% 0.00" / 0.0" 0.01" / 0.1" 4 10 PM Sat Mar 29 2025 20F 15F / 100% WNW 13 G 21 MPH 6400 FT 16:1 / 6% 0.02" / 0.3" 0.03" / 0.4" 5 11 PM Sat Mar 29 2025 19F 14F / 100% WNW 13 G 20 MPH 6300 FT 16:1 / 6% 0.00" / 0.0" 0.03" / 0.4" 6 12 AM Sun Mar 30 2025 20F 13F / 93% WNW 15 G 23 MPH 6300 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 7 01 AM Sun Mar 30 2025 19F 13F / 92% WNW 16 G 24 MPH 6100 FT 14:1 / 7% 0.00" / 0.0" 0.03" / 0.4" 8 02 AM Sun Mar 30 2025 18F 12F / 97% WNW 17 G 26 MPH 6000 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 9 03 AM Sun Mar 30 2025 16F 12F / 86% W 17 G 26 MPH 6000 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 10 04 AM Sun Mar 30 2025 15F 12F / 80% W 18 G 25 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 11 05 AM Sun Mar 30 2025 16F 12F / 80% W 18 G 25 MPH 5900 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 12 06 AM Sun Mar 30 2025 15F 12F / 75% W 20 G 30 MPH 5900 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 13 07 AM Sun Mar 30 2025 16F 12F / 66% W 20 G 28 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 14 08 AM Sun Mar 30 2025 16F 13F / 63% W 20 G 26 MPH 5800 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 15 09 AM Sun Mar 30 2025 17F 14F / 62% W 20 G 29 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.03" / 0.4" 16 10 AM Sun Mar 30 2025 21F 15F / 64% W 18 G 27 MPH 5700 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 17 11 AM Sun Mar 30 2025 23F 16F / 71% W 15 G 24 MPH 6000 FT 12:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 18 12 PM Sun Mar 30 2025 25F 17F / 82% WSW 12 G 19 MPH 6200 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 19 01 PM Sun Mar 30 2025 26F 18F / 82% WSW 10 G 16 MPH 6300 FT 13:1 / 8% 0.00" / 0.0" 0.03" / 0.4" 20 02 PM Sun Mar 30 2025 27F 19F / 85% WSW 10 G 18 MPH 6600 FT 14:1 / 7% 0.00" / 0.0" 0.03" / 0.4" 21 03 PM Sun Mar 30 2025 28F 19F / 93% WSW 11 G 21 MPH 6900 FT 14:1 / 7% 0.01" / 0.1" 0.04" / 0.5" 22 04 PM Sun Mar 30 2025 28F 19F / 95% W 21 G 34 MPH 7100 FT 12:1 / 8% 0.03" / 0.4" 0.07" / 0.9" 23 05 PM Sun Mar 30 2025 27F 19F / 96% WSW 18 G 29 MPH 7200 FT 12:1 / 8% 0.01" / 0.1" 0.08" / 1.0" 24 06 PM Sun Mar 30 2025 27F 19F / 96% WSW 15 G 25 MPH 7100 FT 12:1 / 8% 0.00" / 0.0" 0.08" / 1.0" 25 07 PM Sun Mar 30 2025 27F 19F / 90% WSW 18 G 30 MPH 7200 FT 12:1 / 8% 0.00" / 0.0" 0.08" / 1.0" 26 08 PM Sun Mar 30 2025 24F 19F / 91% WSW 19 G 31 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 27 09 PM Sun Mar 30 2025 23F 19F / 83% WSW 24 G 35 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 28 10 PM Sun Mar 30 2025 23F 19F / 75% W 23 G 35 MPH 7400 FT 12:1 / 8% 0.00" / 0.0" 0.08" / 1.0" 29 11 PM Sun Mar 30 2025 23F 19F / 75% W 22 G 34 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 30 12 AM Mon Mar 31 2025 24F 20F / 74% W 22 G 33 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 31 01 AM Mon Mar 31 2025 24F 21F / 70% WSW 19 G 30 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 32 02 AM Mon Mar 31 2025 24F 21F / 68% WSW 18 G 29 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 33 03 AM Mon Mar 31 2025 24F 21F / 65% SW 18 G 28 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 34 04 AM Mon Mar 31 2025 24F 20F / 67% SSW 19 G 32 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 35 05 AM Mon Mar 31 2025 24F 21F / 64% SSW 21 G 34 MPH 7100 FT 12:1 / 8% 0.00" / 0.0" 0.08" / 1.0" 36 06 AM Mon Mar 31 2025 24F 21F / 64% SSW 22 G 37 MPH 6900 FT 12:1 / 8% 0.00" / 0.0" 0.08" / 1.0" 37 07 AM Mon Mar 31 2025 26F 22F / 61% SSW 25 G 42 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 38 08 AM Mon Mar 31 2025 26F 21F / 71% SSW 23 G 42 MPH 6700 FT 10:1 / 10% 0.00" / 0.0" 0.08" / 1.0" 39 09 AM Mon Mar 31 2025 27F 22F / 82% SSW 23 G 42 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.08" / 1.0" 40 10 AM Mon Mar 31 2025 27F 21F / 86% SSW 24 G 44 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.08" / 1.0" 41 11 AM Mon Mar 31 2025 28F 21F / 86% SSW 23 G 40 MPH 7300 FT 10:1 / 10% 0.00" / 0.0" 0.08" / 1.0" 42 12 PM Mon Mar 31 2025 30F 23F / 84% SSW 20 G 37 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.08" / 1.0" 43 01 PM Mon Mar 31 2025 33F 24F / 71% SW 19 G 37 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.08" / 1.0" 44 02 PM Mon Mar 31 2025 34F 25F / 67% SW 19 G 38 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.08" / 1.0" 45 03 PM Mon Mar 31 2025 33F 25F / 75% SW 19 G 40 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.08" / 1.0" 46 04 PM Mon Mar 31 2025 33F 23F / 90% SW 20 G 42 MPH 7300 FT 9:1 / 11% 0.01" / 0.1" 0.09" / 1.1" 47 05 PM Mon Mar 31 2025 31F 23F / 93% SW 14 G 29 MPH 7400 FT 9:1 / 11% 0.05" / 0.4" 0.14" / 1.5" 48 06 PM Mon Mar 31 2025 30F 22F / 95% SW 17 G 35 MPH 7300 FT 9:1 / 11% 0.11" / 1.0" 0.25" / 2.5"