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 00Z 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 05 PM Fri Feb 28 2025 34F 32F / 17% NNE 6 G 9 MPH 6900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 06 PM Fri Feb 28 2025 32F 31F / 12% NNE 8 G 11 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 07 PM Fri Feb 28 2025 30F 30F / 14% N 8 G 11 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 08 PM Fri Feb 28 2025 28F 29F / 18% N 8 G 10 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 09 PM Fri Feb 28 2025 28F 29F / 16% NW 8 G 8 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 10 PM Fri Feb 28 2025 28F 29F / 18% WSW 9 G 9 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 11 PM Fri Feb 28 2025 27F 29F / 17% SW 9 G 10 MPH 6500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 12 AM Sat Mar 01 2025 28F 30F / 17% S 8 G 9 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 01 AM Sat Mar 01 2025 28F 30F / 16% SSE 9 G 11 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 02 AM Sat Mar 01 2025 28F 30F / 18% S 8 G 10 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 03 AM Sat Mar 01 2025 27F 29F / 20% S 9 G 9 MPH 5800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 04 AM Sat Mar 01 2025 27F 29F / 24% SSW 9 G 10 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 05 AM Sat Mar 01 2025 28F 29F / 21% WSW 10 G 10 MPH 4900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 06 AM Sat Mar 01 2025 28F 29F / 22% WNW 9 G 9 MPH 4800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 07 AM Sat Mar 01 2025 27F 29F / 24% NNW 8 G 9 MPH 4800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 08 AM Sat Mar 01 2025 27F 29F / 23% SE 9 G 10 MPH 4800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 09 AM Sat Mar 01 2025 29F 30F / 19% ESE 8 G 11 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 10 AM Sat Mar 01 2025 33F 33F / 16% ESE 7 G 10 MPH 4800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 11 AM Sat Mar 01 2025 37F 34F / 17% ESE 6 G 13 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 12 PM Sat Mar 01 2025 41F 35F / 17% SE 5 G 12 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 01 PM Sat Mar 01 2025 43F 36F / 16% ESE 6 G 14 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 02 PM Sat Mar 01 2025 43F 36F / 15% SE 6 G 14 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 03 PM Sat Mar 01 2025 40F 35F / 18% SE 7 G 17 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 04 PM Sat Mar 01 2025 39F 34F / 19% SE 8 G 20 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 05 PM Sat Mar 01 2025 35F 33F / 23% ESE 10 G 20 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 06 PM Sat Mar 01 2025 33F 32F / 29% ESE 10 G 22 MPH 7800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 26 07 PM Sat Mar 01 2025 33F 31F / 30% ESE 11 G 22 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 08 PM Sat Mar 01 2025 32F 30F / 30% ESE 9 G 23 MPH 8000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 09 PM Sat Mar 01 2025 31F 30F / 29% ESE 11 G 23 MPH 7900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 10 PM Sat Mar 01 2025 31F 29F / 30% ESE 11 G 25 MPH 7800 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 30 11 PM Sat Mar 01 2025 30F 28F / 32% SE 14 G 27 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 31 12 AM Sun Mar 02 2025 30F 28F / 32% SE 13 G 26 MPH 7500 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 32 01 AM Sun Mar 02 2025 31F 29F / 35% S 14 G 24 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 33 02 AM Sun Mar 02 2025 31F 28F / 33% S 14 G 22 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 03 AM Sun Mar 02 2025 31F 28F / 33% SSW 15 G 22 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 35 04 AM Sun Mar 02 2025 30F 28F / 30% SW 14 G 21 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 36 05 AM Sun Mar 02 2025 30F 28F / 34% SW 13 G 19 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 06 AM Sun Mar 02 2025 29F 28F / 36% SSW 13 G 18 MPH 7000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 38 07 AM Sun Mar 02 2025 29F 27F / 36% S 11 G 15 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 39 08 AM Sun Mar 02 2025 28F 27F / 37% S 12 G 18 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 09 AM Sun Mar 02 2025 28F 26F / 43% S 12 G 20 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 10 AM Sun Mar 02 2025 32F 28F / 40% S 10 G 20 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 11 AM Sun Mar 02 2025 36F 30F / 43% S 9 G 20 MPH 6700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 43 12 PM Sun Mar 02 2025 36F 30F / 41% S 9 G 22 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 44 01 PM Sun Mar 02 2025 36F 29F / 44% SSE 9 G 22 MPH 7300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 45 02 PM Sun Mar 02 2025 37F 29F / 45% SSE 10 G 27 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 46 03 PM Sun Mar 02 2025 36F 29F / 48% S 12 G 28 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 47 04 PM Sun Mar 02 2025 36F 29F / 50% S 10 G 26 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 48 05 PM Sun Mar 02 2025 34F 28F / 55% S 11 G 24 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0"