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 13-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 Sat Apr 12 2025 39F 33F / 50% W 13 G 22 MPH 9900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat Apr 12 2025 37F 33F / 57% W 14 G 23 MPH 9800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sat Apr 12 2025 35F 31F / 61% W 17 G 25 MPH 9500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sat Apr 12 2025 34F 31F / 59% WNW 17 G 27 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sat Apr 12 2025 32F 30F / 66% W 14 G 22 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sat Apr 12 2025 30F 28F / 73% W 16 G 22 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sun Apr 13 2025 29F 28F / 83% WNW 14 G 23 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sun Apr 13 2025 29F 26F / 82% W 14 G 23 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sun Apr 13 2025 28F 25F / 80% WNW 17 G 27 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sun Apr 13 2025 28F 24F / 83% WNW 18 G 29 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sun Apr 13 2025 26F 22F / 68% WNW 20 G 33 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sun Apr 13 2025 26F 23F / 67% WNW 22 G 34 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sun Apr 13 2025 27F 24F / 51% WNW 26 G 42 MPH 5300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sun Apr 13 2025 27F 24F / 61% W 25 G 41 MPH 5400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sun Apr 13 2025 27F 24F / 51% WNW 28 G 42 MPH 5400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sun Apr 13 2025 29F 24F / 56% WNW 26 G 41 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sun Apr 13 2025 28F 23F / 48% WNW 22 G 32 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sun Apr 13 2025 29F 23F / 52% W 15 G 22 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sun Apr 13 2025 31F 23F / 68% W 13 G 18 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sun Apr 13 2025 31F 23F / 88% W 11 G 15 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sun Apr 13 2025 33F 24F / 81% W 11 G 19 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sun Apr 13 2025 34F 25F / 62% W 12 G 19 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sun Apr 13 2025 33F 24F / 56% WNW 14 G 22 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sun Apr 13 2025 32F 25F / 51% WNW 15 G 21 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sun Apr 13 2025 30F 24F / 57% WNW 16 G 25 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sun Apr 13 2025 27F 23F / 58% WNW 17 G 25 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sun Apr 13 2025 24F 20F / 60% WNW 18 G 25 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sun Apr 13 2025 22F 19F / 61% WNW 20 G 27 MPH 6200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sun Apr 13 2025 21F 20F / 55% S 23 G 33 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sun Apr 13 2025 20F 18F / 62% NW 25 G 34 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Mon Apr 14 2025 19F 18F / 57% SE 26 G 36 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Mon Apr 14 2025 18F 17F / 57% SE 25 G 35 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Mon Apr 14 2025 18F 17F / 49% NNW 24 G 34 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Mon Apr 14 2025 17F 17F / 45% NW 22 G 32 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Mon Apr 14 2025 17F 17F / 45% NNW 21 G 28 MPH 5500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Mon Apr 14 2025 18F 18F / 40% NNW 19 G 25 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Mon Apr 14 2025 18F 18F / 39% NNW 18 G 23 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Mon Apr 14 2025 17F 19F / 31% NNW 16 G 21 MPH 5300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Mon Apr 14 2025 19F 21F / 32% NNW 18 G 21 MPH 5100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Mon Apr 14 2025 22F 23F / 32% NNW 16 G 21 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Mon Apr 14 2025 28F 26F / 33% NNW 15 G 20 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Mon Apr 14 2025 31F 27F / 31% NNW 12 G 18 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Mon Apr 14 2025 33F 29F / 30% NNW 11 G 15 MPH 6200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Mon Apr 14 2025 36F 30F / 30% NNW 9 G 12 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Mon Apr 14 2025 38F 31F / 34% N 6 G 12 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Mon Apr 14 2025 41F 33F / 41% NW 6 G 12 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Mon Apr 14 2025 39F 34F / 42% WNW 6 G 11 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Mon Apr 14 2025 39F 35F / 47% WNW 6 G 13 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Mon Apr 14 2025 38F 35F / 47% NW 8 G 14 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0"