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 12Z 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 AM Sun Apr 06 2025 17F 16F / 53% NW 22 G 31 MPH 5400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sun Apr 06 2025 17F 16F / 49% NW 23 G 31 MPH 5200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Sun Apr 06 2025 18F 17F / 48% NW 22 G 30 MPH 5200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Sun Apr 06 2025 19F 18F / 49% NW 20 G 27 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Sun Apr 06 2025 23F 20F / 47% NW 20 G 30 MPH 5400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Sun Apr 06 2025 26F 21F / 46% NW 17 G 26 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Sun Apr 06 2025 28F 22F / 50% NW 15 G 25 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Sun Apr 06 2025 29F 22F / 48% NW 15 G 23 MPH 6300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Sun Apr 06 2025 30F 23F / 49% NW 14 G 21 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Sun Apr 06 2025 32F 24F / 47% NW 13 G 21 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Sun Apr 06 2025 31F 25F / 47% NW 13 G 21 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Sun Apr 06 2025 30F 25F / 54% WNW 10 G 20 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Sun Apr 06 2025 30F 26F / 58% WNW 10 G 20 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Sun Apr 06 2025 29F 26F / 56% NW 13 G 19 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Sun Apr 06 2025 25F 24F / 54% NW 12 G 18 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Sun Apr 06 2025 24F 24F / 48% NW 13 G 17 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Sun Apr 06 2025 24F 24F / 41% WNW 13 G 18 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Sun Apr 06 2025 24F 24F / 41% WNW 12 G 15 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Mon Apr 07 2025 24F 24F / 39% WNW 13 G 17 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Mon Apr 07 2025 25F 24F / 37% WNW 14 G 16 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Mon Apr 07 2025 25F 25F / 35% WNW 14 G 19 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Mon Apr 07 2025 25F 25F / 35% WNW 14 G 17 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Mon Apr 07 2025 25F 25F / 34% WNW 15 G 18 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Mon Apr 07 2025 25F 25F / 32% WNW 16 G 20 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Mon Apr 07 2025 25F 25F / 32% WNW 16 G 22 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Mon Apr 07 2025 25F 25F / 34% WNW 16 G 22 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Mon Apr 07 2025 25F 25F / 36% WNW 16 G 21 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Mon Apr 07 2025 27F 27F / 38% WNW 15 G 19 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Mon Apr 07 2025 31F 28F / 41% W 13 G 19 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Mon Apr 07 2025 34F 29F / 39% W 13 G 20 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Mon Apr 07 2025 36F 30F / 41% W 14 G 24 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Mon Apr 07 2025 38F 31F / 37% W 14 G 23 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Mon Apr 07 2025 41F 32F / 37% WSW 14 G 23 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Mon Apr 07 2025 41F 32F / 37% WSW 14 G 24 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Mon Apr 07 2025 40F 32F / 38% WSW 15 G 26 MPH 8500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Mon Apr 07 2025 39F 32F / 37% SW 17 G 30 MPH 8700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Mon Apr 07 2025 37F 32F / 39% SSW 16 G 28 MPH 8800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Mon Apr 07 2025 36F 33F / 35% SW 18 G 32 MPH 8700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Mon Apr 07 2025 34F 32F / 34% SW 22 G 39 MPH 8800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Mon Apr 07 2025 33F 32F / 35% SSW 22 G 36 MPH 8900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Mon Apr 07 2025 34F 32F / 31% SSW 24 G 41 MPH 9000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Mon Apr 07 2025 34F 32F / 28% SW 26 G 48 MPH 8800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Tue Apr 08 2025 33F 31F / 30% SW 29 G 52 MPH 8500 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Tue Apr 08 2025 32F 31F / 31% WSW 28 G 51 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Tue Apr 08 2025 31F 29F / 38% W 23 G 40 MPH 8400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Tue Apr 08 2025 32F 30F / 37% W 23 G 38 MPH 8200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Tue Apr 08 2025 29F 26F / 43% W 23 G 37 MPH 9400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Tue Apr 08 2025 27F 23F / 94% W 20 G 33 MPH 8600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Tue Apr 08 2025 26F 23F / 89% W 21 G 37 MPH 8500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"