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 06-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 05 2025 26F 20F / 85% ENE 11 G 18 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Sat Apr 05 2025 24F 20F / 77% N 11 G 18 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Sat Apr 05 2025 21F 18F / 69% N 13 G 18 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Sat Apr 05 2025 19F 19F / 46% N 13 G 19 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Sat Apr 05 2025 18F 19F / 40% N 14 G 18 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Sat Apr 05 2025 18F 18F / 37% NNW 15 G 21 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sun Apr 06 2025 17F 18F / 46% NW 16 G 22 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sun Apr 06 2025 18F 18F / 45% NW 17 G 23 MPH 5900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sun Apr 06 2025 18F 18F / 41% NW 19 G 26 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sun Apr 06 2025 17F 18F / 43% NW 20 G 28 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sun Apr 06 2025 18F 18F / 41% NW 20 G 29 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sun Apr 06 2025 18F 18F / 48% NW 20 G 28 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sun Apr 06 2025 17F 17F / 53% NW 20 G 27 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sun Apr 06 2025 18F 17F / 57% NW 19 G 26 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sun Apr 06 2025 18F 17F / 54% NW 18 G 25 MPH 5400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sun Apr 06 2025 19F 19F / 51% NW 18 G 26 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sun Apr 06 2025 24F 21F / 56% NW 18 G 25 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sun Apr 06 2025 26F 22F / 56% NW 13 G 21 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sun Apr 06 2025 28F 22F / 63% NW 16 G 23 MPH 6200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sun Apr 06 2025 30F 23F / 64% NW 13 G 21 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sun Apr 06 2025 31F 23F / 66% W 12 G 20 MPH 6700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sun Apr 06 2025 32F 24F / 58% NW 10 G 19 MPH 7000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sun Apr 06 2025 32F 25F / 58% WNW 10 G 20 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sun Apr 06 2025 31F 25F / 57% NW 14 G 21 MPH 6800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sun Apr 06 2025 30F 26F / 54% NW 14 G 21 MPH 6700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sun Apr 06 2025 29F 26F / 55% NW 14 G 21 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sun Apr 06 2025 26F 24F / 55% NW 12 G 19 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sun Apr 06 2025 25F 24F / 49% WNW 11 G 19 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sun Apr 06 2025 25F 24F / 43% NW 13 G 17 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sun Apr 06 2025 24F 24F / 44% WNW 13 G 16 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Mon Apr 07 2025 24F 24F / 43% WNW 14 G 17 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Mon Apr 07 2025 24F 24F / 43% WNW 14 G 17 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Mon Apr 07 2025 25F 24F / 42% WNW 14 G 18 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Mon Apr 07 2025 25F 24F / 38% WNW 14 G 17 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Mon Apr 07 2025 24F 24F / 37% WNW 14 G 18 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Mon Apr 07 2025 24F 24F / 33% WNW 16 G 22 MPH 6800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Mon Apr 07 2025 25F 25F / 34% WNW 17 G 22 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Mon Apr 07 2025 25F 24F / 37% WNW 18 G 23 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Mon Apr 07 2025 25F 25F / 42% WNW 17 G 24 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Mon Apr 07 2025 27F 27F / 43% WNW 17 G 23 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Mon Apr 07 2025 32F 29F / 43% WNW 15 G 22 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Mon Apr 07 2025 35F 30F / 43% W 13 G 20 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Mon Apr 07 2025 37F 32F / 37% W 13 G 20 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Mon Apr 07 2025 39F 32F / 37% WSW 13 G 22 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Mon Apr 07 2025 40F 33F / 36% WSW 14 G 23 MPH 8100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Mon Apr 07 2025 41F 33F / 34% WSW 14 G 24 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Mon Apr 07 2025 39F 33F / 36% WSW 16 G 28 MPH 8500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Mon Apr 07 2025 39F 33F / 38% WSW 19 G 32 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Mon Apr 07 2025 37F 33F / 39% SW 19 G 31 MPH 8700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"