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 07-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 Fri Mar 07 2025 18F 11F / 92% NNW 6 G 12 MPH 4300 FT 23:1 / 4% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Fri Mar 07 2025 20F 12F / 91% N 7 G 11 MPH 4400 FT 21:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Fri Mar 07 2025 20F 13F / 94% NNW 9 G 15 MPH 4700 FT 18:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Fri Mar 07 2025 21F 13F / 100% NNW 10 G 18 MPH 4600 FT 19:1 / 5% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Fri Mar 07 2025 21F 12F / 100% NNW 10 G 18 MPH 5000 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Fri Mar 07 2025 20F 12F / 100% NNW 13 G 21 MPH 5100 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Fri Mar 07 2025 18F 11F / 95% NW 13 G 23 MPH 5000 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Fri Mar 07 2025 16F 10F / 93% NW 13 G 22 MPH 5000 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Fri Mar 07 2025 15F 9F / 93% NNW 11 G 20 MPH 4700 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Fri Mar 07 2025 14F 9F / 97% NNW 13 G 20 MPH 4600 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Fri Mar 07 2025 13F 8F / 100% N 14 G 23 MPH 4600 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Fri Mar 07 2025 14F 9F / 98% N 18 G 28 MPH 4400 FT 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Fri Mar 07 2025 14F 9F / 87% N 17 G 28 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Sat Mar 08 2025 13F 9F / 81% N 18 G 26 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Sat Mar 08 2025 13F 9F / 83% N 18 G 27 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Sat Mar 08 2025 13F 9F / 84% N 18 G 29 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Sat Mar 08 2025 12F 9F / 87% NNE 19 G 31 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Sat Mar 08 2025 12F 9F / 87% NNE 21 G 33 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 18 05 AM Sat Mar 08 2025 12F 10F / 79% NNE 18 G 31 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 06 AM Sat Mar 08 2025 12F 11F / 63% NE 17 G 26 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 20 07 AM Sat Mar 08 2025 11F 11F / 55% NNE 16 G 24 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 21 08 AM Sat Mar 08 2025 12F 12F / 54% NNE 14 G 21 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 22 09 AM Sat Mar 08 2025 14F 14F / 50% N 16 G 23 MPH 4400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 10 AM Sat Mar 08 2025 19F 16F / 51% N 15 G 22 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 11 AM Sat Mar 08 2025 22F 17F / 47% N 13 G 21 MPH 4900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 12 PM Sat Mar 08 2025 24F 19F / 46% NNW 11 G 19 MPH 5300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 01 PM Sat Mar 08 2025 26F 20F / 45% NNW 11 G 18 MPH 5400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 27 02 PM Sat Mar 08 2025 26F 19F / 48% NNW 11 G 18 MPH 5400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 03 PM Sat Mar 08 2025 24F 20F / 41% NNW 11 G 18 MPH 5400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 29 04 PM Sat Mar 08 2025 23F 20F / 47% NW 11 G 16 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 30 05 PM Sat Mar 08 2025 22F 21F / 44% NNW 11 G 16 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 06 PM Sat Mar 08 2025 21F 20F / 44% NNW 12 G 16 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 32 07 PM Sat Mar 08 2025 19F 20F / 40% NW 13 G 17 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 33 08 PM Sat Mar 08 2025 20F 20F / 38% W 12 G 15 MPH 6000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 09 PM Sat Mar 08 2025 20F 20F / 39% NW 12 G 17 MPH 6100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 10 PM Sat Mar 08 2025 20F 21F / 38% NW 10 G 14 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 11 PM Sat Mar 08 2025 20F 21F / 38% WNW 11 G 15 MPH 5900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 12 AM Sun Mar 09 2025 20F 21F / 39% WNW 12 G 16 MPH 5000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 01 AM Sun Mar 09 2025 20F 22F / 35% WNW 12 G 15 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Sun Mar 09 2025 21F 22F / 32% W 13 G 14 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Sun Mar 09 2025 21F 22F / 30% W 13 G 18 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Sun Mar 09 2025 21F 23F / 33% W 14 G 19 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Sun Mar 09 2025 22F 23F / 32% W 14 G 20 MPH 5000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Sun Mar 09 2025 22F 23F / 31% W 15 G 19 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Sun Mar 09 2025 22F 24F / 30% WSW 14 G 21 MPH 4800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Sun Mar 09 2025 24F 25F / 29% WSW 14 G 22 MPH ≤ KSLC 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Sun Mar 09 2025 25F 26F / 25% WSW 14 G 21 MPH 4600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Sun Mar 09 2025 30F 28F / 28% SW 14 G 23 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Sun Mar 09 2025 32F 28F / 27% SW 13 G 23 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0"