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 11-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 Mon Mar 10 2025 32F 27F / 31% SW 20 G 34 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Mon Mar 10 2025 28F 25F / 32% SW 19 G 33 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Mon Mar 10 2025 26F 25F / 32% SW 20 G 33 MPH 7600 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Mon Mar 10 2025 26F 24F / 36% SW 22 G 36 MPH 7400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Mon Mar 10 2025 26F 24F / 35% SW 22 G 38 MPH 7300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Mon Mar 10 2025 26F 24F / 37% SSW 22 G 40 MPH 7300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Tue Mar 11 2025 26F 24F / 36% SSW 24 G 42 MPH 7200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Tue Mar 11 2025 25F 24F / 39% SW 24 G 41 MPH 7000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Tue Mar 11 2025 25F 24F / 37% SW 25 G 42 MPH 6600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Tue Mar 11 2025 24F 23F / 40% SW 25 G 43 MPH 6200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Tue Mar 11 2025 24F 23F / 42% WSW 22 G 37 MPH 6200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Tue Mar 11 2025 24F 22F / 41% WSW 20 G 32 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Tue Mar 11 2025 23F 22F / 40% WSW 19 G 29 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Tue Mar 11 2025 22F 21F / 41% WSW 18 G 28 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Tue Mar 11 2025 22F 21F / 43% SW 17 G 25 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Tue Mar 11 2025 22F 21F / 41% SW 15 G 23 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Tue Mar 11 2025 25F 22F / 39% SW 15 G 24 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Tue Mar 11 2025 29F 24F / 39% SW 13 G 25 MPH 5900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Tue Mar 11 2025 32F 25F / 37% SW 13 G 26 MPH 6200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Tue Mar 11 2025 33F 26F / 35% SSW 13 G 27 MPH 6600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Tue Mar 11 2025 35F 26F / 45% SSW 14 G 29 MPH 6900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Tue Mar 11 2025 36F 26F / 50% SSW 13 G 28 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Tue Mar 11 2025 35F 26F / 52% SW 14 G 29 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Tue Mar 11 2025 35F 26F / 52% SW 13 G 27 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Tue Mar 11 2025 32F 25F / 49% SW 14 G 27 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Tue Mar 11 2025 28F 23F / 54% SW 15 G 29 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Tue Mar 11 2025 26F 22F / 58% SSW 15 G 27 MPH 7500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Tue Mar 11 2025 25F 22F / 49% SSW 16 G 29 MPH 7300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Tue Mar 11 2025 24F 22F / 51% SSW 18 G 31 MPH 7300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Tue Mar 11 2025 24F 21F / 52% SSW 18 G 32 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Wed Mar 12 2025 23F 21F / 51% SSW 18 G 32 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Wed Mar 12 2025 23F 20F / 49% SSW 18 G 31 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Wed Mar 12 2025 22F 20F / 48% SSW 19 G 33 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Wed Mar 12 2025 21F 19F / 46% SSW 18 G 30 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Wed Mar 12 2025 21F 19F / 48% SSW 19 G 29 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Wed Mar 12 2025 21F 20F / 47% SSW 17 G 28 MPH 5300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Wed Mar 12 2025 21F 19F / 61% S 17 G 28 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Wed Mar 12 2025 21F 19F / 70% S 18 G 28 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Wed Mar 12 2025 21F 18F / 72% S 16 G 26 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Wed Mar 12 2025 22F 19F / 75% S 16 G 27 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Wed Mar 12 2025 24F 20F / 83% S 17 G 33 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Wed Mar 12 2025 27F 21F / 84% S 17 G 31 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Wed Mar 12 2025 27F 22F / 80% S 17 G 31 MPH 6700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Wed Mar 12 2025 29F 23F / 84% S 18 G 38 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Wed Mar 12 2025 30F 23F / 83% S 18 G 39 MPH 7300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Wed Mar 12 2025 29F 24F / 85% S 19 G 41 MPH 7500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Wed Mar 12 2025 29F 23F / 88% S 17 G 38 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Wed Mar 12 2025 29F 23F / 87% S 19 G 43 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Wed Mar 12 2025 30F 23F / 87% SSW 23 G 44 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0"