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 12-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 Sat Apr 12 2025 38F 37F / 39% SW 23 G 41 MPH 10100 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sat Apr 12 2025 36F 36F / 30% SW 25 G 43 MPH 10100 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sat Apr 12 2025 36F 35F / 33% SW 26 G 45 MPH 9900 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sat Apr 12 2025 36F 35F / 31% SW 27 G 47 MPH 9600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sat Apr 12 2025 37F 35F / 33% SW 24 G 43 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sat Apr 12 2025 40F 35F / 35% SW 23 G 42 MPH 9400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sat Apr 12 2025 44F 35F / 40% SSW 20 G 38 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sat Apr 12 2025 47F 36F / 34% SW 21 G 38 MPH 9500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sat Apr 12 2025 47F 36F / 45% WSW 11 G 22 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sat Apr 12 2025 46F 35F / 60% W 12 G 22 MPH 9700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sat Apr 12 2025 44F 35F / 55% W 13 G 22 MPH 9800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sat Apr 12 2025 43F 35F / 58% W 13 G 22 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sat Apr 12 2025 40F 34F / 56% W 16 G 25 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sat Apr 12 2025 38F 33F / 61% W 16 G 25 MPH 9800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sat Apr 12 2025 35F 32F / 59% WNW 15 G 24 MPH 9700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sat Apr 12 2025 34F 32F / 57% W 15 G 24 MPH 9700 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sat Apr 12 2025 31F 29F / 69% W 16 G 24 MPH 9500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sat Apr 12 2025 30F 28F / 68% W 17 G 24 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Sun Apr 13 2025 29F 28F / 71% W 15 G 25 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Sun Apr 13 2025 28F 27F / 70% W 13 G 22 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Sun Apr 13 2025 27F 25F / 77% WNW 16 G 26 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Sun Apr 13 2025 27F 24F / 83% WNW 18 G 31 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Sun Apr 13 2025 27F 24F / 71% WNW 19 G 29 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Sun Apr 13 2025 28F 25F / 63% WNW 22 G 36 MPH 5400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Sun Apr 13 2025 27F 24F / 63% WNW 22 G 36 MPH 5300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Sun Apr 13 2025 27F 25F / 57% WNW 23 G 36 MPH 5400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Sun Apr 13 2025 27F 24F / 54% WNW 27 G 40 MPH 5500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Sun Apr 13 2025 28F 25F / 60% WNW 23 G 34 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Sun Apr 13 2025 29F 25F / 55% WNW 19 G 28 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Sun Apr 13 2025 29F 24F / 68% W 16 G 22 MPH 5900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Sun Apr 13 2025 31F 24F / 82% W 12 G 18 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Sun Apr 13 2025 32F 24F / 85% W 13 G 20 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Sun Apr 13 2025 33F 24F / 85% WNW 13 G 20 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Sun Apr 13 2025 34F 24F / 73% W 12 G 18 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Sun Apr 13 2025 33F 25F / 59% WNW 13 G 20 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Sun Apr 13 2025 33F 25F / 56% WNW 13 G 20 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Sun Apr 13 2025 31F 25F / 56% WNW 16 G 24 MPH 6400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Sun Apr 13 2025 29F 25F / 54% WNW 18 G 28 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Sun Apr 13 2025 24F 23F / 58% WNW 18 G 26 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Sun Apr 13 2025 23F 22F / 58% WNW 18 G 24 MPH 6300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Sun Apr 13 2025 22F 22F / 53% SSW 21 G 28 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Sun Apr 13 2025 20F 19F / 60% SSE 20 G 28 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Mon Apr 14 2025 19F 19F / 60% S 20 G 30 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Mon Apr 14 2025 19F 20F / 57% S 21 G 30 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Mon Apr 14 2025 19F 20F / 48% NW 22 G 30 MPH 5700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Mon Apr 14 2025 18F 20F / 43% NW 20 G 28 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Mon Apr 14 2025 18F 20F / 41% NNW 20 G 29 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Mon Apr 14 2025 19F 20F / 38% NW 19 G 27 MPH 5500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Mon Apr 14 2025 19F 20F / 35% NW 19 G 25 MPH 5400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0"