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 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 06 PM Sat Mar 22 2025 27F 18F / 95% W 30 G 48 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat Mar 22 2025 25F 17F / 90% WNW 30 G 46 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sat Mar 22 2025 23F 17F / 95% WNW 29 G 45 MPH 6600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sat Mar 22 2025 22F 16F / 100% WNW 27 G 41 MPH 6400 FT 9:1 / 11% 0.02" / 0.2" 0.02" / 0.2" 4 10 PM Sat Mar 22 2025 21F 16F / 85% WNW 30 G 45 MPH 6200 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 5 11 PM Sat Mar 22 2025 20F 15F / 82% WNW 31 G 47 MPH 6300 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 6 12 AM Sun Mar 23 2025 19F 15F / 84% WNW 31 G 48 MPH 6200 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 7 01 AM Sun Mar 23 2025 20F 16F / 79% WNW 33 G 50 MPH 6100 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2" 8 02 AM Sun Mar 23 2025 20F 16F / 71% WNW 33 G 49 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 9 03 AM Sun Mar 23 2025 19F 16F / 73% WNW 31 G 46 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 10 04 AM Sun Mar 23 2025 19F 16F / 69% WNW 29 G 43 MPH 5100 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 11 05 AM Sun Mar 23 2025 18F 15F / 70% WNW 29 G 43 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 12 06 AM Sun Mar 23 2025 18F 16F / 58% WNW 25 G 37 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 13 07 AM Sun Mar 23 2025 18F 16F / 58% WNW 26 G 37 MPH 4700 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 14 08 AM Sun Mar 23 2025 18F 16F / 62% WNW 26 G 35 MPH 4600 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 15 09 AM Sun Mar 23 2025 19F 17F / 68% WNW 24 G 34 MPH 4600 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 16 10 AM Sun Mar 23 2025 22F 19F / 70% WNW 23 G 34 MPH 4700 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 17 11 AM Sun Mar 23 2025 25F 20F / 70% WNW 22 G 33 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 18 12 PM Sun Mar 23 2025 28F 21F / 73% WNW 20 G 31 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 19 01 PM Sun Mar 23 2025 29F 22F / 79% WNW 18 G 28 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 20 02 PM Sun Mar 23 2025 30F 22F / 75% WNW 19 G 28 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 21 03 PM Sun Mar 23 2025 31F 23F / 72% WNW 20 G 31 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 22 04 PM Sun Mar 23 2025 30F 24F / 72% WNW 20 G 30 MPH 6800 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 23 05 PM Sun Mar 23 2025 29F 24F / 73% WNW 21 G 31 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 24 06 PM Sun Mar 23 2025 28F 25F / 73% WNW 22 G 33 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 25 07 PM Sun Mar 23 2025 28F 24F / 73% WNW 23 G 34 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 26 08 PM Sun Mar 23 2025 25F 23F / 73% WNW 24 G 36 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 27 09 PM Sun Mar 23 2025 25F 23F / 71% WNW 25 G 35 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 28 10 PM Sun Mar 23 2025 26F 23F / 73% WNW 25 G 37 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 29 11 PM Sun Mar 23 2025 26F 24F / 74% WNW 26 G 38 MPH 8200 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2" 30 12 AM Mon Mar 24 2025 27F 24F / 79% WNW 27 G 38 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 31 01 AM Mon Mar 24 2025 26F 25F / 77% WNW 25 G 35 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 32 02 AM Mon Mar 24 2025 27F 25F / 72% WNW 24 G 34 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 33 03 AM Mon Mar 24 2025 26F 25F / 72% WNW 23 G 33 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 34 04 AM Mon Mar 24 2025 26F 24F / 72% WNW 22 G 32 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 35 05 AM Mon Mar 24 2025 26F 24F / 70% WNW 21 G 31 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 36 06 AM Mon Mar 24 2025 27F 25F / 72% WNW 20 G 30 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 37 07 AM Mon Mar 24 2025 26F 24F / 73% WNW 20 G 27 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 38 08 AM Mon Mar 24 2025 26F 25F / 74% WNW 19 G 29 MPH 8300 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 39 09 AM Mon Mar 24 2025 28F 26F / 67% WNW 19 G 28 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 40 10 AM Mon Mar 24 2025 30F 29F / 73% WNW 18 G 26 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 41 11 AM Mon Mar 24 2025 34F 30F / 76% WNW 17 G 24 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 42 12 PM Mon Mar 24 2025 35F 30F / 77% WNW 17 G 25 MPH 8600 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 43 01 PM Mon Mar 24 2025 37F 31F / 75% WNW 17 G 27 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 44 02 PM Mon Mar 24 2025 38F 31F / 75% WNW 17 G 27 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 45 03 PM Mon Mar 24 2025 39F 32F / 77% WNW 17 G 26 MPH 9100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 46 04 PM Mon Mar 24 2025 37F 32F / 79% WNW 16 G 26 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 47 05 PM Mon Mar 24 2025 37F 32F / 78% WNW 16 G 25 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 48 06 PM Mon Mar 24 2025 35F 32F / 77% WNW 17 G 25 MPH 9300 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2"