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 18Z 07-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 PM Mon Apr 07 2025 37F 31F / 34% WSW 14 G 23 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Mon Apr 07 2025 39F 31F / 36% WSW 14 G 23 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Mon Apr 07 2025 41F 32F / 34% WSW 14 G 24 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Mon Apr 07 2025 41F 33F / 39% W 14 G 24 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Mon Apr 07 2025 40F 32F / 40% WSW 13 G 22 MPH 8800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Mon Apr 07 2025 39F 33F / 41% WSW 15 G 27 MPH 8900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Mon Apr 07 2025 37F 32F / 39% WSW 16 G 27 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Mon Apr 07 2025 35F 32F / 39% SW 17 G 28 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Mon Apr 07 2025 35F 31F / 39% SSW 17 G 28 MPH 9000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Mon Apr 07 2025 34F 31F / 38% SSW 20 G 33 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Mon Apr 07 2025 33F 31F / 34% SSW 23 G 39 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Mon Apr 07 2025 34F 31F / 31% SSW 25 G 43 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Tue Apr 08 2025 33F 31F / 33% SW 28 G 49 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Tue Apr 08 2025 33F 31F / 32% SW 32 G 55 MPH 8700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Tue Apr 08 2025 32F 31F / 34% WSW 29 G 49 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Tue Apr 08 2025 30F 29F / 41% W 26 G 40 MPH 9100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Tue Apr 08 2025 31F 29F / 44% W 25 G 38 MPH 8600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Tue Apr 08 2025 30F 28F / 47% W 24 G 39 MPH 9200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Tue Apr 08 2025 29F 27F / 63% W 21 G 34 MPH 9400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Tue Apr 08 2025 29F 26F / 71% W 20 G 32 MPH 9100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Tue Apr 08 2025 28F 26F / 76% W 20 G 33 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Tue Apr 08 2025 29F 26F / 75% WSW 23 G 38 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Tue Apr 08 2025 31F 27F / 75% WSW 23 G 39 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Tue Apr 08 2025 33F 27F / 77% WSW 23 G 39 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Tue Apr 08 2025 36F 28F / 69% WSW 21 G 37 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Tue Apr 08 2025 37F 29F / 69% WSW 20 G 35 MPH 8600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Tue Apr 08 2025 38F 29F / 72% WSW 19 G 32 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Tue Apr 08 2025 39F 29F / 78% W 18 G 30 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Tue Apr 08 2025 39F 29F / 75% WSW 18 G 30 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Tue Apr 08 2025 38F 30F / 66% WSW 20 G 35 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Tue Apr 08 2025 35F 29F / 66% WSW 22 G 35 MPH 8800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Tue Apr 08 2025 32F 28F / 68% W 23 G 37 MPH 9000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Tue Apr 08 2025 31F 27F / 67% W 25 G 40 MPH 8900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Tue Apr 08 2025 30F 27F / 62% W 26 G 39 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Tue Apr 08 2025 30F 27F / 52% W 26 G 37 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Tue Apr 08 2025 30F 27F / 55% W 28 G 40 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Wed Apr 09 2025 29F 27F / 60% W 27 G 40 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Wed Apr 09 2025 31F 29F / 52% W 30 G 44 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Wed Apr 09 2025 30F 29F / 46% W 29 G 44 MPH 7900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Wed Apr 09 2025 30F 28F / 45% W 27 G 42 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Wed Apr 09 2025 30F 28F / 45% W 28 G 42 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Wed Apr 09 2025 28F 27F / 44% W 28 G 41 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Wed Apr 09 2025 27F 26F / 50% W 28 G 42 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Wed Apr 09 2025 26F 25F / 46% W 29 G 42 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Wed Apr 09 2025 26F 25F / 46% W 30 G 45 MPH 7600 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Wed Apr 09 2025 28F 26F / 50% W 30 G 45 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Wed Apr 09 2025 32F 27F / 56% W 28 G 42 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Wed Apr 09 2025 33F 27F / 58% W 27 G 41 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Wed Apr 09 2025 35F 28F / 57% W 26 G 40 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0"