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 28-Feb-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 Feb 28 2025 36F 32F / 14% NNW 12 G 17 MPH 4700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 12 PM Fri Feb 28 2025 38F 32F / 12% N 10 G 17 MPH 4800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 01 PM Fri Feb 28 2025 39F 32F / 15% N 9 G 16 MPH 5200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 02 PM Fri Feb 28 2025 40F 33F / 13% N 9 G 16 MPH 5700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 03 PM Fri Feb 28 2025 38F 33F / 16% NNE 7 G 14 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 04 PM Fri Feb 28 2025 37F 33F / 16% NE 7 G 13 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 05 PM Fri Feb 28 2025 34F 33F / 13% NE 7 G 11 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 06 PM Fri Feb 28 2025 32F 32F / 16% NE 9 G 12 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 07 PM Fri Feb 28 2025 31F 31F / 18% ENE 9 G 13 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 08 PM Fri Feb 28 2025 29F 30F / 20% NE 10 G 12 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 09 PM Fri Feb 28 2025 28F 30F / 21% NNE 10 G 11 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 10 PM Fri Feb 28 2025 28F 30F / 21% NW 9 G 10 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 11 PM Fri Feb 28 2025 28F 30F / 20% ESE 9 G 10 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 12 AM Sat Mar 01 2025 28F 30F / 20% SSE 9 G 12 MPH 5000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 01 AM Sat Mar 01 2025 29F 30F / 20% SE 10 G 13 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 02 AM Sat Mar 01 2025 28F 30F / 20% SSE 10 G 11 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 03 AM Sat Mar 01 2025 28F 29F / 23% SSW 11 G 13 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 04 AM Sat Mar 01 2025 28F 29F / 23% SW 11 G 13 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 05 AM Sat Mar 01 2025 28F 29F / 23% WSW 11 G 13 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 06 AM Sat Mar 01 2025 28F 29F / 23% WSW 10 G 10 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 07 AM Sat Mar 01 2025 27F 29F / 26% WSW 9 G 10 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 08 AM Sat Mar 01 2025 27F 29F / 24% SSE 8 G 9 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 09 AM Sat Mar 01 2025 29F 31F / 26% SE 8 G 11 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 23 10 AM Sat Mar 01 2025 34F 33F / 19% SE 7 G 12 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 24 11 AM Sat Mar 01 2025 38F 34F / 15% ESE 7 G 13 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 12 PM Sat Mar 01 2025 41F 35F / 13% ESE 7 G 14 MPH 6500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 26 01 PM Sat Mar 01 2025 42F 36F / 18% SE 6 G 14 MPH 6700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 02 PM Sat Mar 01 2025 43F 36F / 16% SE 6 G 16 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 28 03 PM Sat Mar 01 2025 42F 35F / 18% ESE 6 G 17 MPH 7300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 29 04 PM Sat Mar 01 2025 40F 35F / 22% SE 9 G 19 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 30 05 PM Sat Mar 01 2025 36F 33F / 25% ESE 10 G 21 MPH 7900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 06 PM Sat Mar 01 2025 34F 32F / 24% ESE 10 G 21 MPH 8100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 32 07 PM Sat Mar 01 2025 33F 31F / 24% ESE 11 G 23 MPH 8100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 33 08 PM Sat Mar 01 2025 32F 30F / 26% ESE 12 G 23 MPH 8000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 34 09 PM Sat Mar 01 2025 31F 29F / 25% ESE 11 G 26 MPH 7800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 10 PM Sat Mar 01 2025 30F 28F / 32% ESE 14 G 28 MPH 7700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 36 11 PM Sat Mar 01 2025 30F 29F / 30% SE 16 G 30 MPH 7600 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 37 12 AM Sun Mar 02 2025 32F 30F / 32% SE 15 G 28 MPH 7400 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 38 01 AM Sun Mar 02 2025 32F 31F / 31% SSE 14 G 23 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 02 AM Sun Mar 02 2025 31F 30F / 33% SSE 14 G 23 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 03 AM Sun Mar 02 2025 32F 31F / 28% S 13 G 20 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 41 04 AM Sun Mar 02 2025 31F 30F / 28% SW 13 G 20 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 42 05 AM Sun Mar 02 2025 30F 28F / 33% S 14 G 20 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 43 06 AM Sun Mar 02 2025 29F 27F / 35% SSW 12 G 17 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 44 07 AM Sun Mar 02 2025 27F 26F / 41% SSW 11 G 17 MPH 6800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 45 08 AM Sun Mar 02 2025 28F 26F / 38% SSW 11 G 18 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 46 09 AM Sun Mar 02 2025 29F 26F / 35% SW 9 G 17 MPH 6600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 47 10 AM Sun Mar 02 2025 34F 28F / 40% WSW 8 G 13 MPH 6400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 48 11 AM Sun Mar 02 2025 37F 31F / 39% SSW 7 G 17 MPH 6400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0"