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 18Z 05-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 12 PM Sat Apr 05 2025 22F 16F / 38% NE 10 G 19 MPH 5700 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Sat Apr 05 2025 24F 17F / 36% NNE 8 G 15 MPH 5700 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Sat Apr 05 2025 25F 18F / 43% N 8 G 16 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Sat Apr 05 2025 27F 18F / 60% NNW 10 G 20 MPH 6000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Sat Apr 05 2025 26F 19F / 70% NNW 11 G 18 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Sat Apr 05 2025 25F 19F / 71% N 12 G 20 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Sat Apr 05 2025 25F 20F / 63% N 13 G 22 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Sat Apr 05 2025 24F 20F / 56% NNW 15 G 22 MPH 6200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Sat Apr 05 2025 20F 19F / 56% N 14 G 21 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Sat Apr 05 2025 19F 19F / 48% NNW 15 G 21 MPH 5900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Sat Apr 05 2025 19F 19F / 44% NNW 16 G 22 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Sat Apr 05 2025 19F 19F / 42% NNW 17 G 22 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Sun Apr 06 2025 18F 18F / 42% WSW 18 G 24 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Sun Apr 06 2025 18F 18F / 45% NW 19 G 25 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Sun Apr 06 2025 18F 18F / 40% NW 19 G 26 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sun Apr 06 2025 18F 18F / 37% NW 20 G 28 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sun Apr 06 2025 18F 18F / 35% NW 21 G 29 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sun Apr 06 2025 18F 18F / 34% NW 22 G 30 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Sun Apr 06 2025 17F 17F / 37% ESE 20 G 28 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Sun Apr 06 2025 17F 17F / 37% NW 20 G 28 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sun Apr 06 2025 18F 18F / 35% ESE 20 G 27 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sun Apr 06 2025 19F 19F / 40% NW 19 G 26 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sun Apr 06 2025 23F 21F / 40% NW 17 G 25 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sun Apr 06 2025 26F 22F / 41% NW 16 G 23 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sun Apr 06 2025 29F 23F / 47% NW 13 G 22 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Sun Apr 06 2025 30F 23F / 53% NW 13 G 20 MPH 6300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Sun Apr 06 2025 32F 24F / 56% W 10 G 18 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Sun Apr 06 2025 33F 24F / 58% NW 10 G 19 MPH 6700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Sun Apr 06 2025 32F 25F / 54% WNW 12 G 20 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Sun Apr 06 2025 31F 25F / 57% NW 13 G 20 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Sun Apr 06 2025 30F 26F / 54% NW 13 G 20 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Sun Apr 06 2025 28F 25F / 54% WNW 13 G 19 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Sun Apr 06 2025 26F 24F / 51% WNW 11 G 18 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Sun Apr 06 2025 25F 24F / 44% WNW 14 G 19 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Sun Apr 06 2025 25F 24F / 39% NW 14 G 18 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Sun Apr 06 2025 24F 24F / 39% NW 13 G 16 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Mon Apr 07 2025 24F 24F / 37% WNW 13 G 16 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Mon Apr 07 2025 24F 25F / 37% WNW 13 G 16 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Mon Apr 07 2025 23F 25F / 33% WNW 13 G 16 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Mon Apr 07 2025 24F 25F / 30% W 13 G 15 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Mon Apr 07 2025 24F 25F / 31% W 15 G 20 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Mon Apr 07 2025 24F 25F / 33% WNW 17 G 22 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Mon Apr 07 2025 23F 24F / 33% WNW 16 G 21 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Mon Apr 07 2025 23F 24F / 34% WNW 16 G 20 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Mon Apr 07 2025 24F 25F / 33% WNW 16 G 21 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Mon Apr 07 2025 27F 27F / 31% WNW 15 G 22 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Mon Apr 07 2025 31F 29F / 34% WNW 14 G 20 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Mon Apr 07 2025 34F 30F / 38% WNW 13 G 19 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Mon Apr 07 2025 37F 31F / 35% W 11 G 18 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"