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 22-Jun-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 Jun 21 2025 56F 47F / 31% SSW 20 G 44 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat Jun 21 2025 49F 44F / 43% SSW 14 G 34 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sat Jun 21 2025 43F 40F / 49% SW 15 G 30 MPH 10100 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sat Jun 21 2025 39F 33F / 69% W 14 G 32 MPH 9200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sat Jun 21 2025 35F 30F / 73% WNW 13 G 25 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sat Jun 21 2025 32F 27F / 83% WNW 16 G 29 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sun Jun 22 2025 32F 25F / 83% WNW 15 G 27 MPH 8500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sun Jun 22 2025 30F 23F / 92% WNW 13 G 27 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sun Jun 22 2025 30F 23F / 87% WNW 14 G 25 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sun Jun 22 2025 31F 23F / 88% W 11 G 23 MPH 7800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sun Jun 22 2025 30F 24F / 100% WSW 10 G 22 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sun Jun 22 2025 30F 24F / 100% WSW 11 G 22 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sun Jun 22 2025 28F 22F / 98% W 11 G 19 MPH 7100 FT 11:1 / 9% 0.02" / 0.2" 0.02" / 0.2" 13 07 AM Sun Jun 22 2025 28F 22F / 98% SW 17 G 30 MPH 7300 FT 9:1 / 11% 0.02" / 0.2" 0.04" / 0.4" 14 08 AM Sun Jun 22 2025 27F 20F / 100% WSW 17 G 29 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 15 09 AM Sun Jun 22 2025 26F 20F / 82% WSW 18 G 29 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 16 10 AM Sun Jun 22 2025 28F 22F / 71% WSW 16 G 26 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 17 11 AM Sun Jun 22 2025 32F 23F / 73% WSW 14 G 24 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 18 12 PM Sun Jun 22 2025 35F 25F / 64% W 14 G 24 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 19 01 PM Sun Jun 22 2025 36F 27F / 70% W 13 G 22 MPH 7000 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 20 02 PM Sun Jun 22 2025 37F 28F / 64% W 12 G 22 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 21 03 PM Sun Jun 22 2025 39F 29F / 60% W 13 G 23 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 22 04 PM Sun Jun 22 2025 39F 30F / 61% W 12 G 22 MPH 7500 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 23 05 PM Sun Jun 22 2025 39F 31F / 63% W 14 G 23 MPH 7600 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 24 06 PM Sun Jun 22 2025 38F 31F / 56% W 13 G 23 MPH 7800 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 25 07 PM Sun Jun 22 2025 36F 31F / 52% W 12 G 21 MPH 7900 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 26 08 PM Sun Jun 22 2025 34F 29F / 48% W 13 G 18 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 27 09 PM Sun Jun 22 2025 32F 29F / 50% WSW 13 G 19 MPH 8000 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 28 10 PM Sun Jun 22 2025 31F 30F / 46% WSW 13 G 18 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 29 11 PM Sun Jun 22 2025 31F 30F / 51% WSW 15 G 22 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 30 12 AM Mon Jun 23 2025 31F 30F / 50% W 17 G 23 MPH 8200 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 31 01 AM Mon Jun 23 2025 31F 31F / 46% W 16 G 23 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 32 02 AM Mon Jun 23 2025 31F 31F / 46% W 17 G 23 MPH 8100 FT 12:1 / 8% 0.00" / 0.0" 0.04" / 0.4" 33 03 AM Mon Jun 23 2025 32F 31F / 45% W 15 G 22 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 34 04 AM Mon Jun 23 2025 32F 31F / 44% W 14 G 21 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 35 05 AM Mon Jun 23 2025 33F 32F / 41% W 13 G 18 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 36 06 AM Mon Jun 23 2025 33F 32F / 41% SW 12 G 16 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 37 07 AM Mon Jun 23 2025 34F 34F / 39% WSW 12 G 16 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 38 08 AM Mon Jun 23 2025 36F 36F / 36% SSW 11 G 16 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 39 09 AM Mon Jun 23 2025 38F 37F / 41% SW 11 G 16 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 40 10 AM Mon Jun 23 2025 42F 38F / 33% SSW 9 G 14 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 41 11 AM Mon Jun 23 2025 47F 40F / 28% S 7 G 15 MPH 8700 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 42 12 PM Mon Jun 23 2025 51F 43F / 22% S 6 G 15 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 43 01 PM Mon Jun 23 2025 52F 45F / 22% SSW 7 G 15 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 44 02 PM Mon Jun 23 2025 54F 46F / 19% S 7 G 16 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 45 03 PM Mon Jun 23 2025 54F 47F / 10% S 7 G 19 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.4" 46 04 PM Mon Jun 23 2025 53F 46F / 12% S 8 G 20 MPH 9800 FT 10:1 / 10% 0.00" / 0.0" 0.04" / 0.4" 47 05 PM Mon Jun 23 2025 54F 47F / 12% SW 10 G 20 MPH 10000 FT 9:1 / 11% 0.00" / 0.0" 0.04" / 0.4" 48 06 PM Mon Jun 23 2025 53F 47F / 20% SW 8 G 17 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.04" / 0.4"