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 06Z 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 AM Sat Apr 05 2025 14F 12F / 74% NNE 16 G 25 MPH 5500 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Sat Apr 05 2025 13F 12F / 69% NE 13 G 20 MPH 5400 FT 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Sat Apr 05 2025 13F 12F / 67% NNE 14 G 21 MPH 5400 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Sat Apr 05 2025 12F 11F / 66% NNE 13 G 20 MPH 5200 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Sat Apr 05 2025 12F 10F / 74% NNE 15 G 22 MPH 5100 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Sat Apr 05 2025 12F 10F / 78% NNE 15 G 22 MPH 4900 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Sat Apr 05 2025 11F 10F / 76% N 16 G 22 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Sat Apr 05 2025 11F 10F / 72% N 14 G 21 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Sat Apr 05 2025 11F 9F / 68% N 14 G 21 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Sat Apr 05 2025 12F 11F / 62% NNE 13 G 23 MPH 4400 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Sat Apr 05 2025 17F 13F / 56% NNE 11 G 20 MPH 4800 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Sat Apr 05 2025 20F 15F / 52% NNE 11 G 19 MPH 5200 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Sat Apr 05 2025 22F 15F / 50% NNE 10 G 20 MPH 5300 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Sat Apr 05 2025 23F 16F / 51% N 9 G 18 MPH 5600 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Sat Apr 05 2025 24F 17F / 58% N 8 G 16 MPH 5700 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Sat Apr 05 2025 26F 17F / 54% N 9 G 19 MPH 5800 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Sat Apr 05 2025 25F 18F / 52% N 10 G 18 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Sat Apr 05 2025 25F 19F / 51% N 11 G 21 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Sat Apr 05 2025 24F 20F / 54% N 12 G 21 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Sat Apr 05 2025 24F 20F / 56% NNW 14 G 22 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Sat Apr 05 2025 20F 19F / 57% NNW 15 G 23 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Sat Apr 05 2025 19F 18F / 49% NNW 16 G 22 MPH 5700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Sat Apr 05 2025 18F 19F / 45% NNW 17 G 23 MPH 5600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Sat Apr 05 2025 18F 18F / 41% NW 18 G 25 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Sun Apr 06 2025 18F 18F / 44% NW 19 G 26 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Sun Apr 06 2025 17F 18F / 47% N 18 G 23 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Sun Apr 06 2025 18F 17F / 41% NW 17 G 27 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Sun Apr 06 2025 17F 17F / 40% NW 17 G 28 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Sun Apr 06 2025 17F 17F / 38% NW 19 G 29 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Sun Apr 06 2025 17F 17F / 39% NW 20 G 28 MPH 4300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Sun Apr 06 2025 17F 17F / 37% NW 20 G 28 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Sun Apr 06 2025 17F 17F / 34% ESE 17 G 26 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Sun Apr 06 2025 17F 18F / 34% E 17 G 28 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Sun Apr 06 2025 19F 18F / 38% ESE 17 G 25 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Sun Apr 06 2025 22F 20F / 39% ESE 16 G 23 MPH 5300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Sun Apr 06 2025 26F 21F / 39% NW 15 G 22 MPH 5600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Sun Apr 06 2025 28F 22F / 48% NW 13 G 21 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Sun Apr 06 2025 31F 24F / 50% NW 12 G 19 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Sun Apr 06 2025 32F 25F / 52% NW 12 G 20 MPH 6400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Sun Apr 06 2025 34F 25F / 49% NW 12 G 18 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Sun Apr 06 2025 33F 26F / 49% WNW 12 G 19 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Sun Apr 06 2025 32F 26F / 51% NW 12 G 19 MPH 6700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Sun Apr 06 2025 31F 27F / 49% NW 13 G 20 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Sun Apr 06 2025 30F 27F / 50% NW 14 G 19 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Sun Apr 06 2025 26F 25F / 50% NW 13 G 18 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Sun Apr 06 2025 25F 25F / 45% NW 12 G 15 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Sun Apr 06 2025 24F 24F / 40% WNW 12 G 15 MPH 6300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Sun Apr 06 2025 24F 25F / 33% WNW 14 G 17 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Mon Apr 07 2025 24F 25F / 36% NW 14 G 18 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"