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 22-Apr-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 Apr 21 2025 35F 27F / 67% W 15 G 24 MPH 8100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Mon Apr 21 2025 32F 27F / 70% W 17 G 25 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Mon Apr 21 2025 29F 26F / 65% W 18 G 27 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Mon Apr 21 2025 28F 26F / 57% W 21 G 32 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Mon Apr 21 2025 28F 25F / 52% W 22 G 33 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Mon Apr 21 2025 28F 25F / 47% W 23 G 33 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Tue Apr 22 2025 27F 25F / 43% W 23 G 34 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Tue Apr 22 2025 27F 25F / 48% W 22 G 34 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Tue Apr 22 2025 27F 24F / 51% W 21 G 31 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Tue Apr 22 2025 26F 24F / 49% W 21 G 31 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Tue Apr 22 2025 26F 24F / 56% W 20 G 28 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Tue Apr 22 2025 25F 24F / 44% W 22 G 31 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Tue Apr 22 2025 25F 23F / 42% W 23 G 33 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Tue Apr 22 2025 25F 23F / 38% W 24 G 33 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Tue Apr 22 2025 25F 23F / 42% W 23 G 32 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Tue Apr 22 2025 28F 25F / 43% W 22 G 31 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Tue Apr 22 2025 30F 25F / 42% W 18 G 28 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Tue Apr 22 2025 32F 26F / 43% W 16 G 26 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Tue Apr 22 2025 35F 26F / 42% W 15 G 25 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Tue Apr 22 2025 37F 28F / 43% W 14 G 23 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Tue Apr 22 2025 39F 29F / 52% WSW 12 G 20 MPH 7300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Tue Apr 22 2025 40F 30F / 52% WSW 11 G 19 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Tue Apr 22 2025 40F 30F / 53% WSW 10 G 17 MPH 7900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Tue Apr 22 2025 40F 31F / 52% WSW 10 G 16 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Tue Apr 22 2025 37F 31F / 49% WSW 10 G 18 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Tue Apr 22 2025 34F 30F / 45% WSW 11 G 17 MPH 8200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Tue Apr 22 2025 33F 30F / 40% SW 13 G 18 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Tue Apr 22 2025 32F 30F / 33% SW 14 G 21 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Tue Apr 22 2025 33F 31F / 29% SW 15 G 22 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Tue Apr 22 2025 34F 32F / 32% SW 13 G 21 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Wed Apr 23 2025 33F 31F / 35% SW 15 G 23 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Wed Apr 23 2025 34F 31F / 31% WSW 14 G 24 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Wed Apr 23 2025 33F 31F / 35% WSW 13 G 21 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Wed Apr 23 2025 34F 30F / 36% SW 12 G 19 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Wed Apr 23 2025 34F 31F / 35% SSW 14 G 23 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Wed Apr 23 2025 32F 30F / 38% S 16 G 26 MPH 8500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Wed Apr 23 2025 31F 29F / 39% S 17 G 28 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Wed Apr 23 2025 32F 30F / 39% SSW 20 G 29 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Wed Apr 23 2025 32F 30F / 39% SSW 19 G 29 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Wed Apr 23 2025 34F 31F / 43% SSW 18 G 29 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Wed Apr 23 2025 35F 31F / 49% SSW 16 G 29 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Wed Apr 23 2025 37F 31F / 46% SSW 14 G 25 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Wed Apr 23 2025 41F 33F / 46% SSW 14 G 27 MPH 8600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Wed Apr 23 2025 43F 35F / 43% SW 16 G 30 MPH 8900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Wed Apr 23 2025 44F 35F / 42% SW 15 G 28 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Wed Apr 23 2025 45F 36F / 44% SSW 12 G 25 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Wed Apr 23 2025 45F 37F / 40% SW 13 G 26 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Wed Apr 23 2025 44F 37F / 42% SW 14 G 26 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Wed Apr 23 2025 42F 37F / 47% SSW 12 G 24 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0"