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 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 PM Fri Mar 07 2025 13F 8F / 87% NNW 25 G 41 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Sat Mar 08 2025 12F 7F / 100% N 24 G 38 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Sat Mar 08 2025 12F 8F / 86% N 24 G 36 MPH ≤ KSLC 17:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Sat Mar 08 2025 10F 8F / 75% N 22 G 34 MPH ≤ KSLC 16:1 / 6% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Sat Mar 08 2025 9F 7F / 76% N 23 G 35 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 5 04 AM Sat Mar 08 2025 9F 8F / 75% N 21 G 30 MPH ≤ KSLC 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 6 05 AM Sat Mar 08 2025 9F 8F / 71% N 19 G 27 MPH ≤ KSLC 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 7 06 AM Sat Mar 08 2025 9F 9F / 63% N 17 G 26 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 07 AM Sat Mar 08 2025 10F 9F / 60% N 17 G 26 MPH ≤ KSLC 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 9 08 AM Sat Mar 08 2025 11F 10F / 56% N 18 G 28 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 10 09 AM Sat Mar 08 2025 12F 13F / 51% N 17 G 26 MPH ≤ KSLC 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 11 10 AM Sat Mar 08 2025 17F 15F / 49% N 16 G 26 MPH 4400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 11 AM Sat Mar 08 2025 21F 17F / 50% N 16 G 27 MPH 4700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 13 12 PM Sat Mar 08 2025 24F 19F / 52% NNW 15 G 24 MPH 4900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 01 PM Sat Mar 08 2025 25F 20F / 48% NNW 13 G 21 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 02 PM Sat Mar 08 2025 27F 20F / 44% NNW 11 G 19 MPH 5500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 16 03 PM Sat Mar 08 2025 25F 21F / 43% NNW 11 G 18 MPH 5700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 17 04 PM Sat Mar 08 2025 24F 21F / 48% NNW 11 G 18 MPH 5800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 18 05 PM Sat Mar 08 2025 23F 22F / 52% NNW 11 G 17 MPH 5900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 19 06 PM Sat Mar 08 2025 22F 21F / 52% NW 13 G 18 MPH 5900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 20 07 PM Sat Mar 08 2025 19F 20F / 51% NW 13 G 19 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 08 PM Sat Mar 08 2025 20F 21F / 46% NW 14 G 20 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 09 PM Sat Mar 08 2025 20F 21F / 46% NNW 12 G 18 MPH 5900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 10 PM Sat Mar 08 2025 19F 20F / 47% NW 11 G 16 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 11 PM Sat Mar 08 2025 19F 21F / 46% NW 11 G 14 MPH 5800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 12 AM Sun Mar 09 2025 20F 21F / 47% NNW 11 G 15 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 26 01 AM Sun Mar 09 2025 20F 21F / 45% WNW 12 G 14 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Sun Mar 09 2025 21F 22F / 42% WNW 11 G 14 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Sun Mar 09 2025 22F 22F / 39% WNW 12 G 15 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Sun Mar 09 2025 22F 23F / 38% W 12 G 15 MPH 5400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Sun Mar 09 2025 23F 23F / 39% W 13 G 16 MPH 5300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Sun Mar 09 2025 23F 23F / 37% W 13 G 16 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Sun Mar 09 2025 23F 24F / 32% W 12 G 16 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Sun Mar 09 2025 23F 24F / 33% WSW 12 G 17 MPH 5100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Sun Mar 09 2025 25F 26F / 32% WSW 12 G 18 MPH 5000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Sun Mar 09 2025 30F 28F / 32% SW 11 G 18 MPH 5200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Sun Mar 09 2025 33F 29F / 33% SW 12 G 20 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Sun Mar 09 2025 35F 30F / 32% SW 12 G 21 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Sun Mar 09 2025 36F 29F / 36% SW 12 G 22 MPH 6300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Sun Mar 09 2025 36F 29F / 35% SW 12 G 23 MPH 6600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Sun Mar 09 2025 35F 30F / 33% SW 13 G 24 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Sun Mar 09 2025 34F 30F / 33% SW 14 G 27 MPH 7100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Sun Mar 09 2025 32F 30F / 31% SW 16 G 26 MPH 7100 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Sun Mar 09 2025 29F 28F / 32% SW 17 G 28 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Sun Mar 09 2025 27F 27F / 29% SW 17 G 30 MPH 7000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Sun Mar 09 2025 27F 27F / 30% SSW 19 G 31 MPH 6800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Sun Mar 09 2025 27F 27F / 29% SSW 19 G 33 MPH 6900 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Sun Mar 09 2025 28F 27F / 33% SSW 20 G 35 MPH 7000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Mon Mar 10 2025 27F 26F / 40% SSW 22 G 36 MPH 7000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0"