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 23-Mar-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 Sun Mar 23 2025 21F 16F / 96% WNW 31 G 47 MPH 6500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sun Mar 23 2025 21F 16F / 88% WNW 33 G 51 MPH 6500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sun Mar 23 2025 20F 16F / 87% WNW 32 G 49 MPH 5900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sun Mar 23 2025 19F 15F / 74% WNW 32 G 47 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sun Mar 23 2025 18F 16F / 70% WNW 30 G 44 MPH 5000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sun Mar 23 2025 18F 16F / 53% WNW 29 G 42 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sun Mar 23 2025 19F 16F / 51% WNW 31 G 46 MPH 4700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sun Mar 23 2025 18F 16F / 59% WNW 26 G 39 MPH 4700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sun Mar 23 2025 19F 17F / 58% WNW 25 G 35 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sun Mar 23 2025 20F 17F / 65% WNW 24 G 34 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sun Mar 23 2025 23F 19F / 67% WNW 24 G 34 MPH 4700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sun Mar 23 2025 25F 19F / 71% WNW 22 G 33 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sun Mar 23 2025 27F 20F / 77% WNW 21 G 32 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sun Mar 23 2025 28F 21F / 79% WNW 20 G 31 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sun Mar 23 2025 30F 21F / 79% WNW 21 G 31 MPH 6200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sun Mar 23 2025 31F 22F / 74% WNW 21 G 32 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sun Mar 23 2025 29F 23F / 73% WNW 21 G 30 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Sun Mar 23 2025 28F 23F / 73% WNW 22 G 33 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Sun Mar 23 2025 28F 23F / 74% WNW 22 G 33 MPH 7200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Sun Mar 23 2025 27F 23F / 73% WNW 22 G 32 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Sun Mar 23 2025 24F 22F / 77% WNW 23 G 33 MPH 7600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Sun Mar 23 2025 25F 22F / 73% WNW 23 G 34 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Sun Mar 23 2025 25F 23F / 74% WNW 25 G 37 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Sun Mar 23 2025 26F 24F / 71% WNW 25 G 38 MPH 7900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Mon Mar 24 2025 27F 24F / 70% WNW 25 G 37 MPH 8000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Mon Mar 24 2025 27F 25F / 70% WNW 24 G 35 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Mon Mar 24 2025 27F 25F / 70% WNW 23 G 33 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Mon Mar 24 2025 27F 25F / 68% WNW 21 G 31 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Mon Mar 24 2025 27F 25F / 68% WNW 21 G 31 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Mon Mar 24 2025 26F 25F / 70% WNW 20 G 30 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Mon Mar 24 2025 26F 25F / 73% WNW 21 G 30 MPH 8100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Mon Mar 24 2025 26F 25F / 73% WNW 21 G 30 MPH 8000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Mon Mar 24 2025 26F 25F / 73% NW 21 G 29 MPH 8100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Mon Mar 24 2025 27F 25F / 74% WNW 20 G 28 MPH 8200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Mon Mar 24 2025 30F 27F / 79% WNW 18 G 29 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Mon Mar 24 2025 33F 28F / 78% WNW 17 G 26 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Mon Mar 24 2025 35F 29F / 80% WNW 17 G 26 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Mon Mar 24 2025 37F 31F / 76% WNW 16 G 25 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Mon Mar 24 2025 37F 31F / 78% WNW 15 G 25 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Mon Mar 24 2025 38F 31F / 77% WNW 16 G 25 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Mon Mar 24 2025 37F 32F / 77% WNW 16 G 25 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Mon Mar 24 2025 37F 32F / 77% WNW 16 G 26 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Mon Mar 24 2025 36F 32F / 83% WNW 16 G 26 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Mon Mar 24 2025 33F 30F / 89% WNW 18 G 25 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Mon Mar 24 2025 30F 28F / 76% WNW 18 G 23 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Mon Mar 24 2025 30F 29F / 70% WNW 16 G 25 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Mon Mar 24 2025 29F 28F / 64% WNW 18 G 26 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Mon Mar 24 2025 29F 29F / 62% WNW 18 G 24 MPH 9700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Tue Mar 25 2025 29F 28F / 61% WNW 19 G 28 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"