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 14-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 AM Mon Apr 14 2025 18F 21F / 34% NW 20 G 26 MPH 5600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Mon Apr 14 2025 20F 21F / 32% WNW 14 G 17 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Mon Apr 14 2025 21F 23F / 28% NW 16 G 21 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Mon Apr 14 2025 23F 24F / 22% NW 14 G 18 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Mon Apr 14 2025 27F 26F / 22% ESE 9 G 15 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Mon Apr 14 2025 30F 27F / 23% NNW 9 G 12 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Mon Apr 14 2025 34F 29F / 27% N 9 G 13 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Mon Apr 14 2025 36F 30F / 25% NNE 7 G 10 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Mon Apr 14 2025 38F 32F / 27% NNW 5 G 9 MPH 7300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Mon Apr 14 2025 41F 33F / 32% NW 5 G 10 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Mon Apr 14 2025 40F 34F / 43% NW 6 G 11 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Mon Apr 14 2025 39F 34F / 48% WNW 8 G 14 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Mon Apr 14 2025 37F 34F / 51% NW 7 G 12 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Mon Apr 14 2025 35F 32F / 44% ESE 8 G 14 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Mon Apr 14 2025 33F 31F / 42% ESE 9 G 14 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Mon Apr 14 2025 30F 30F / 34% SSE 11 G 15 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Mon Apr 14 2025 30F 31F / 32% S 11 G 16 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Mon Apr 14 2025 31F 31F / 31% SSE 12 G 18 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Tue Apr 15 2025 32F 31F / 33% SSE 14 G 23 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Tue Apr 15 2025 31F 31F / 29% SSE 16 G 25 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Tue Apr 15 2025 30F 30F / 31% SSE 16 G 26 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Tue Apr 15 2025 30F 30F / 30% SSE 17 G 28 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Tue Apr 15 2025 30F 31F / 28% S 16 G 24 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Tue Apr 15 2025 30F 31F / 23% SSW 17 G 25 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Tue Apr 15 2025 30F 31F / 24% SSW 16 G 24 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Tue Apr 15 2025 30F 30F / 24% SSW 17 G 27 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Tue Apr 15 2025 31F 31F / 23% SSW 19 G 29 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Tue Apr 15 2025 32F 31F / 26% SSW 18 G 30 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Tue Apr 15 2025 34F 32F / 29% S 18 G 32 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Tue Apr 15 2025 36F 32F / 36% SSW 17 G 34 MPH 7500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Tue Apr 15 2025 39F 34F / 42% SW 17 G 32 MPH 8000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Tue Apr 15 2025 42F 35F / 43% SSW 14 G 28 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Tue Apr 15 2025 43F 35F / 41% SW 11 G 22 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Tue Apr 15 2025 44F 35F / 41% SW 10 G 19 MPH 9200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Tue Apr 15 2025 43F 35F / 34% SW 11 G 24 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Tue Apr 15 2025 43F 36F / 40% SSW 10 G 19 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Tue Apr 15 2025 40F 35F / 42% WSW 8 G 13 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Tue Apr 15 2025 39F 36F / 35% WSW 8 G 16 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Tue Apr 15 2025 36F 34F / 42% SW 9 G 13 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Tue Apr 15 2025 35F 34F / 43% SW 10 G 14 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Tue Apr 15 2025 35F 34F / 44% WSW 12 G 18 MPH 9600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Tue Apr 15 2025 35F 34F / 45% WSW 15 G 21 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Wed Apr 16 2025 35F 34F / 45% WSW 18 G 26 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Wed Apr 16 2025 34F 34F / 38% W 18 G 26 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Wed Apr 16 2025 36F 34F / 28% W 18 G 26 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Wed Apr 16 2025 36F 35F / 24% W 18 G 24 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Wed Apr 16 2025 36F 35F / 19% WSW 18 G 23 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Wed Apr 16 2025 35F 35F / 17% WSW 18 G 23 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Wed Apr 16 2025 34F 34F / 23% WSW 16 G 22 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"