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 29-Jan-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 05 AM Wed Jan 29 2025 13F 14F / 37% NNW 14 G 20 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 06 AM Wed Jan 29 2025 13F 14F / 39% NNW 14 G 21 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 2 07 AM Wed Jan 29 2025 13F 15F / 34% N 14 G 21 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 08 AM Wed Jan 29 2025 13F 14F / 35% NNE 15 G 22 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 4 09 AM Wed Jan 29 2025 14F 14F / 40% NE 16 G 26 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 5 10 AM Wed Jan 29 2025 17F 16F / 42% NE 14 G 26 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 11 AM Wed Jan 29 2025 24F 18F / 40% NE 13 G 28 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 12 PM Wed Jan 29 2025 26F 19F / 32% NE 12 G 26 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 8 01 PM Wed Jan 29 2025 27F 19F / 37% NE 13 G 21 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 02 PM Wed Jan 29 2025 27F 21F / 32% NE 8 G 18 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 03 PM Wed Jan 29 2025 25F 20F / 39% NE 7 G 16 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 11 04 PM Wed Jan 29 2025 24F 19F / 39% NE 7 G 16 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 12 05 PM Wed Jan 29 2025 22F 19F / 38% NE 8 G 18 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 13 06 PM Wed Jan 29 2025 19F 18F / 41% NNE 11 G 19 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 14 07 PM Wed Jan 29 2025 18F 18F / 44% NNE 13 G 20 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 08 PM Wed Jan 29 2025 16F 17F / 43% N 14 G 23 MPH ≤ KSLC 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 16 09 PM Wed Jan 29 2025 15F 17F / 39% N 14 G 25 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 10 PM Wed Jan 29 2025 16F 17F / 38% N 16 G 25 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 11 PM Wed Jan 29 2025 17F 17F / 39% N 18 G 26 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 12 AM Thu Jan 30 2025 18F 18F / 44% N 18 G 29 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 01 AM Thu Jan 30 2025 18F 18F / 51% N 19 G 29 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 02 AM Thu Jan 30 2025 19F 18F / 53% NNW 18 G 29 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 03 AM Thu Jan 30 2025 19F 19F / 53% NNW 21 G 31 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 04 AM Thu Jan 30 2025 19F 19F / 50% NNW 23 G 32 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 05 AM Thu Jan 30 2025 19F 18F / 53% NNW 22 G 35 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 25 06 AM Thu Jan 30 2025 19F 18F / 52% NNW 22 G 34 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 26 07 AM Thu Jan 30 2025 19F 18F / 51% NNW 24 G 37 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 27 08 AM Thu Jan 30 2025 19F 19F / 44% NNW 24 G 34 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 09 AM Thu Jan 30 2025 20F 20F / 41% NNW 22 G 32 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 10 AM Thu Jan 30 2025 21F 20F / 37% NNW 18 G 32 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 30 11 AM Thu Jan 30 2025 26F 22F / 39% NW 19 G 31 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 31 12 PM Thu Jan 30 2025 28F 22F / 38% NW 20 G 31 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 32 01 PM Thu Jan 30 2025 30F 23F / 40% NW 20 G 29 MPH ≤ KSLC 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 33 02 PM Thu Jan 30 2025 30F 22F / 42% NW 13 G 29 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 34 03 PM Thu Jan 30 2025 28F 22F / 44% NW 18 G 26 MPH 4300 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 35 04 PM Thu Jan 30 2025 27F 22F / 40% NW 14 G 27 MPH 4300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 36 05 PM Thu Jan 30 2025 23F 21F / 40% NW 18 G 26 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 37 06 PM Thu Jan 30 2025 20F 20F / 36% NW 19 G 26 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 38 07 PM Thu Jan 30 2025 20F 21F / 35% NW 19 G 26 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 08 PM Thu Jan 30 2025 19F 20F / 37% NW 19 G 26 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 40 09 PM Thu Jan 30 2025 18F 20F / 37% NW 18 G 26 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 41 10 PM Thu Jan 30 2025 19F 20F / 35% NW 17 G 22 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 11 PM Thu Jan 30 2025 18F 20F / 37% NW 16 G 21 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 12 AM Fri Jan 31 2025 19F 21F / 36% WNW 16 G 20 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 01 AM Fri Jan 31 2025 19F 21F / 33% WNW 17 G 22 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 02 AM Fri Jan 31 2025 19F 21F / 35% W 17 G 24 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 03 AM Fri Jan 31 2025 20F 21F / 32% W 18 G 25 MPH ≤ KSLC 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 04 AM Fri Jan 31 2025 21F 23F / 30% W 19 G 26 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 05 AM Fri Jan 31 2025 22F 23F / 27% WSW 19 G 26 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"