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 08-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 11 AM Sat Mar 08 2025 21F 16F / 52% N 18 G 29 MPH 4500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Sat Mar 08 2025 24F 18F / 57% NNW 17 G 29 MPH 4800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Sat Mar 08 2025 25F 18F / 54% NNW 17 G 29 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Sat Mar 08 2025 26F 19F / 50% NNW 17 G 27 MPH 4900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Sat Mar 08 2025 25F 20F / 50% NNW 14 G 22 MPH 5200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Sat Mar 08 2025 24F 21F / 52% NNW 13 G 21 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Sat Mar 08 2025 24F 22F / 51% NNW 14 G 21 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Sat Mar 08 2025 23F 23F / 49% NNW 14 G 20 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Sat Mar 08 2025 20F 21F / 51% NNW 13 G 20 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Sat Mar 08 2025 20F 21F / 49% NNW 12 G 17 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Sat Mar 08 2025 19F 21F / 51% NW 11 G 15 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Sat Mar 08 2025 19F 21F / 50% WSW 11 G 14 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Sat Mar 08 2025 19F 21F / 48% NW 11 G 14 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Sun Mar 09 2025 20F 22F / 46% WNW 12 G 17 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Sun Mar 09 2025 21F 22F / 44% WNW 12 G 16 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sun Mar 09 2025 22F 22F / 41% WNW 12 G 16 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sun Mar 09 2025 22F 23F / 38% W 13 G 16 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sun Mar 09 2025 23F 23F / 37% W 13 G 18 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Sun Mar 09 2025 22F 23F / 37% W 14 G 18 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Sun Mar 09 2025 23F 23F / 35% W 14 G 18 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sun Mar 09 2025 23F 24F / 33% W 13 G 18 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sun Mar 09 2025 23F 25F / 30% W 13 G 17 MPH 5000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sun Mar 09 2025 26F 26F / 31% WSW 13 G 18 MPH 5000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sun Mar 09 2025 31F 28F / 34% SW 12 G 19 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sun Mar 09 2025 35F 29F / 34% SW 11 G 20 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Sun Mar 09 2025 35F 29F / 34% SW 11 G 21 MPH 6200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Sun Mar 09 2025 36F 30F / 33% SW 12 G 22 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Sun Mar 09 2025 37F 29F / 34% SW 13 G 23 MPH 6700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Sun Mar 09 2025 35F 29F / 33% SW 13 G 25 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Sun Mar 09 2025 34F 30F / 34% SW 15 G 26 MPH 7200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Sun Mar 09 2025 31F 28F / 33% SW 15 G 27 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Sun Mar 09 2025 28F 27F / 32% SW 16 G 29 MPH 7300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Sun Mar 09 2025 26F 26F / 29% SW 18 G 31 MPH 7200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Sun Mar 09 2025 26F 26F / 29% SW 20 G 31 MPH 6800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Sun Mar 09 2025 26F 26F / 33% SW 21 G 32 MPH 7000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Sun Mar 09 2025 26F 25F / 35% SSW 21 G 35 MPH 7100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Mon Mar 10 2025 26F 25F / 43% SSW 22 G 39 MPH 7000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Mon Mar 10 2025 26F 25F / 43% SSW 25 G 42 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Mon Mar 10 2025 26F 25F / 38% SSW 26 G 44 MPH 6700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Mon Mar 10 2025 26F 26F / 34% SSW 27 G 45 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Mon Mar 10 2025 25F 26F / 28% SSW 28 G 48 MPH 6100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Mon Mar 10 2025 25F 25F / 27% SW 28 G 47 MPH 5900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Mon Mar 10 2025 25F 25F / 29% SW 28 G 47 MPH 5900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Mon Mar 10 2025 25F 24F / 32% SW 28 G 45 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Mon Mar 10 2025 24F 23F / 32% SW 29 G 45 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Mon Mar 10 2025 25F 24F / 30% WSW 24 G 41 MPH 5700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Mon Mar 10 2025 27F 25F / 30% WSW 21 G 35 MPH 5700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Mon Mar 10 2025 30F 26F / 38% WSW 18 G 33 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Mon Mar 10 2025 33F 26F / 35% WSW 17 G 32 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"