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 01-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 01 2025 38F 34F / 14% E 6 G 10 MPH 5200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Sat Mar 01 2025 41F 35F / 11% E 5 G 9 MPH 5600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Sat Mar 01 2025 43F 35F / 13% E 4 G 8 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Sat Mar 01 2025 43F 36F / 14% E 4 G 9 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Sat Mar 01 2025 40F 35F / 15% ESE 5 G 13 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Sat Mar 01 2025 39F 34F / 16% SE 6 G 15 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Sat Mar 01 2025 36F 34F / 18% SE 7 G 15 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Sat Mar 01 2025 34F 33F / 26% SE 10 G 19 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Sat Mar 01 2025 33F 32F / 27% SE 11 G 21 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Sat Mar 01 2025 32F 31F / 24% SE 12 G 21 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Sat Mar 01 2025 31F 31F / 23% SE 10 G 20 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Sat Mar 01 2025 31F 30F / 23% SE 10 G 19 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Sat Mar 01 2025 31F 29F / 24% ESE 9 G 21 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Sun Mar 02 2025 30F 29F / 28% SE 14 G 25 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Sun Mar 02 2025 31F 29F / 30% SSE 15 G 25 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Sun Mar 02 2025 30F 29F / 30% S 16 G 25 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Sun Mar 02 2025 30F 29F / 30% S 16 G 25 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Sun Mar 02 2025 30F 28F / 31% SSW 15 G 23 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 05 AM Sun Mar 02 2025 29F 27F / 35% WSW 14 G 23 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 06 AM Sun Mar 02 2025 28F 26F / 39% SW 12 G 19 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 20 07 AM Sun Mar 02 2025 28F 26F / 39% SSW 12 G 19 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 08 AM Sun Mar 02 2025 28F 26F / 38% SW 11 G 18 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 09 AM Sun Mar 02 2025 29F 26F / 41% SW 12 G 20 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 23 10 AM Sun Mar 02 2025 34F 28F / 42% SSW 10 G 21 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 24 11 AM Sun Mar 02 2025 36F 29F / 42% S 12 G 26 MPH 7000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 25 12 PM Sun Mar 02 2025 36F 29F / 43% S 12 G 29 MPH 7200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 26 01 PM Sun Mar 02 2025 36F 28F / 43% S 12 G 26 MPH 7300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 27 02 PM Sun Mar 02 2025 37F 28F / 48% S 11 G 28 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 28 03 PM Sun Mar 02 2025 36F 28F / 44% S 11 G 26 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 04 PM Sun Mar 02 2025 35F 28F / 45% S 10 G 24 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 05 PM Sun Mar 02 2025 33F 27F / 47% S 13 G 26 MPH 7500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 06 PM Sun Mar 02 2025 30F 24F / 60% S 14 G 29 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 32 07 PM Sun Mar 02 2025 26F 22F / 53% S 14 G 30 MPH 6400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 33 08 PM Sun Mar 02 2025 24F 20F / 56% SSE 15 G 35 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 09 PM Sun Mar 02 2025 23F 19F / 56% SSE 17 G 38 MPH 6300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 35 10 PM Sun Mar 02 2025 22F 18F / 58% SSE 19 G 44 MPH 5900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 11 PM Sun Mar 02 2025 22F 18F / 59% SSE 18 G 41 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 37 12 AM Mon Mar 03 2025 21F 17F / 64% S 17 G 35 MPH 5700 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 38 01 AM Mon Mar 03 2025 20F 16F / 73% SSE 15 G 28 MPH 5500 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 39 02 AM Mon Mar 03 2025 21F 16F / 73% SE 11 G 26 MPH 5700 FT 14:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 40 03 AM Mon Mar 03 2025 20F 15F / 88% SE 11 G 23 MPH 5600 FT 13:1 / 8% 0.04" / 0.5" 0.04" / 0.5" 41 04 AM Mon Mar 03 2025 20F 15F / 82% ESE 16 G 32 MPH 5300 FT 11:1 / 9% 0.00" / 0.0" 0.04" / 0.5" 42 05 AM Mon Mar 03 2025 18F 12F / 96% ESE 7 G 19 MPH 5300 FT 18:1 / 6% 0.03" / 0.5" 0.07" / 1.0" 43 06 AM Mon Mar 03 2025 18F 12F / 87% SE 9 G 19 MPH 4900 FT 17:1 / 6% 0.07" / 1.2" 0.14" / 2.2" 44 07 AM Mon Mar 03 2025 16F 11F / 89% S 7 G 15 MPH 4700 FT 19:1 / 5% 0.06" / 1.1" 0.20" / 3.3" 45 08 AM Mon Mar 03 2025 16F 10F / 84% SSE 7 G 11 MPH 4600 FT 20:1 / 5% 0.02" / 0.4" 0.22" / 3.7" 46 09 AM Mon Mar 03 2025 18F 12F / 87% NW 6 G 14 MPH 4700 FT 22:1 / 5% 0.00" / 0.0" 0.22" / 3.7" 47 10 AM Mon Mar 03 2025 20F 13F / 91% NE 4 G 9 MPH 4900 FT 23:1 / 4% 0.00" / 0.0" 0.22" / 3.7" 48 11 AM Mon Mar 03 2025 21F 14F / 95% N 5 G 11 MPH 4900 FT 23:1 / 4% 0.00" / 0.0" 0.22" / 3.7"