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 06Z 15-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 12 AM Tue Apr 15 2025 30F 31F / 34% SE 13 G 20 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Tue Apr 15 2025 30F 30F / 32% SSE 15 G 24 MPH 8400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Tue Apr 15 2025 30F 30F / 32% S 16 G 24 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Tue Apr 15 2025 29F 30F / 33% S 16 G 25 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Tue Apr 15 2025 29F 30F / 30% SSW 16 G 22 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Tue Apr 15 2025 29F 31F / 27% SW 16 G 22 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Tue Apr 15 2025 30F 31F / 25% SW 16 G 22 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Tue Apr 15 2025 31F 31F / 20% SSW 14 G 21 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Tue Apr 15 2025 31F 30F / 23% SSW 16 G 23 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Tue Apr 15 2025 31F 31F / 23% SSW 16 G 25 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Tue Apr 15 2025 34F 32F / 22% SSW 15 G 27 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Tue Apr 15 2025 37F 33F / 26% SSW 15 G 28 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Tue Apr 15 2025 39F 33F / 31% SSW 16 G 29 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Tue Apr 15 2025 41F 34F / 36% SW 15 G 28 MPH 8100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Tue Apr 15 2025 43F 35F / 31% SW 13 G 24 MPH 8400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Tue Apr 15 2025 43F 35F / 30% SW 13 G 25 MPH 8500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Tue Apr 15 2025 43F 35F / 34% SW 13 G 23 MPH 8600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Tue Apr 15 2025 42F 35F / 37% WNW 10 G 17 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Tue Apr 15 2025 39F 35F / 36% WNW 11 G 17 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Tue Apr 15 2025 37F 33F / 33% W 11 G 16 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Tue Apr 15 2025 35F 32F / 36% W 10 G 15 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Tue Apr 15 2025 35F 33F / 35% WSW 13 G 18 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Tue Apr 15 2025 34F 33F / 31% WSW 15 G 21 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Tue Apr 15 2025 34F 33F / 31% WSW 17 G 23 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Wed Apr 16 2025 34F 32F / 27% W 17 G 24 MPH 8900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Wed Apr 16 2025 34F 32F / 30% WSW 17 G 23 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Wed Apr 16 2025 34F 32F / 32% WSW 16 G 22 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Wed Apr 16 2025 33F 32F / 36% WSW 16 G 22 MPH 9200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Wed Apr 16 2025 34F 32F / 38% WSW 17 G 26 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Wed Apr 16 2025 33F 32F / 40% WSW 18 G 28 MPH 9300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Wed Apr 16 2025 32F 31F / 42% WSW 17 G 26 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Wed Apr 16 2025 32F 31F / 46% SW 17 G 26 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Wed Apr 16 2025 32F 31F / 45% SW 19 G 29 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Wed Apr 16 2025 34F 31F / 49% SW 19 G 29 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Wed Apr 16 2025 36F 32F / 50% SW 18 G 31 MPH 9100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Wed Apr 16 2025 39F 33F / 47% SW 18 G 33 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Wed Apr 16 2025 42F 34F / 48% SW 16 G 31 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Wed Apr 16 2025 45F 36F / 42% SW 16 G 30 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Wed Apr 16 2025 45F 37F / 45% SSW 15 G 29 MPH 9500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Wed Apr 16 2025 47F 39F / 48% SW 13 G 27 MPH 9700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Wed Apr 16 2025 46F 38F / 48% SSW 14 G 28 MPH 9800 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Wed Apr 16 2025 46F 37F / 50% SW 14 G 27 MPH 9800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Wed Apr 16 2025 42F 36F / 60% SW 15 G 29 MPH 9900 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Wed Apr 16 2025 40F 35F / 63% WSW 20 G 35 MPH 9900 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Wed Apr 16 2025 37F 33F / 78% SW 18 G 32 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Wed Apr 16 2025 37F 33F / 67% W 16 G 32 MPH 9800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Wed Apr 16 2025 35F 32F / 73% WSW 14 G 24 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Wed Apr 16 2025 35F 32F / 69% SSW 13 G 23 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Thu Apr 17 2025 35F 32F / 68% SW 13 G 24 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"