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 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 PM Fri Feb 28 2025 26F 28F / 23% NNE 9 G 10 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Sat Mar 01 2025 27F 29F / 20% S 10 G 11 MPH 6900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Sat Mar 01 2025 27F 29F / 19% SSE 8 G 10 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Sat Mar 01 2025 27F 29F / 19% SSE 8 G 10 MPH 6000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Sat Mar 01 2025 27F 29F / 21% SSW 7 G 8 MPH 4900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 04 AM Sat Mar 01 2025 28F 29F / 22% WSW 9 G 10 MPH 4800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 05 AM Sat Mar 01 2025 27F 29F / 22% WSW 10 G 11 MPH 4700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 06 AM Sat Mar 01 2025 26F 28F / 18% WSW 9 G 10 MPH 4600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 07 AM Sat Mar 01 2025 26F 28F / 19% W 9 G 9 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 08 AM Sat Mar 01 2025 26F 28F / 18% SSE 9 G 10 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 09 AM Sat Mar 01 2025 28F 30F / 19% SSE 9 G 12 MPH ≤ KSLC 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 11 10 AM Sat Mar 01 2025 33F 31F / 19% SE 7 G 10 MPH 4700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 12 11 AM Sat Mar 01 2025 38F 34F / 18% SE 5 G 10 MPH 5100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 13 12 PM Sat Mar 01 2025 41F 35F / 19% SE 6 G 11 MPH 6300 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 01 PM Sat Mar 01 2025 42F 36F / 15% SE 4 G 10 MPH 6400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 02 PM Sat Mar 01 2025 43F 36F / 15% SE 4 G 10 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 16 03 PM Sat Mar 01 2025 41F 35F / 19% SE 4 G 9 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 17 04 PM Sat Mar 01 2025 40F 34F / 17% ESE 5 G 13 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 18 05 PM Sat Mar 01 2025 36F 33F / 20% ESE 7 G 15 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 19 06 PM Sat Mar 01 2025 34F 32F / 25% SE 9 G 18 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 20 07 PM Sat Mar 01 2025 33F 31F / 29% ESE 11 G 21 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 21 08 PM Sat Mar 01 2025 31F 30F / 31% ESE 12 G 22 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 09 PM Sat Mar 01 2025 31F 30F / 28% ESE 11 G 21 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 10 PM Sat Mar 01 2025 31F 30F / 29% ESE 12 G 22 MPH 7700 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 24 11 PM Sat Mar 01 2025 31F 29F / 28% ESE 13 G 25 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 25 12 AM Sun Mar 02 2025 30F 28F / 28% SE 14 G 25 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 26 01 AM Sun Mar 02 2025 31F 29F / 30% SSE 14 G 22 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 27 02 AM Sun Mar 02 2025 30F 28F / 34% S 14 G 22 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 28 03 AM Sun Mar 02 2025 30F 28F / 32% S 15 G 23 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 29 04 AM Sun Mar 02 2025 31F 28F / 32% SSW 14 G 22 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 30 05 AM Sun Mar 02 2025 30F 27F / 32% SW 13 G 18 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 31 06 AM Sun Mar 02 2025 29F 27F / 36% SW 12 G 17 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 32 07 AM Sun Mar 02 2025 30F 28F / 34% SSW 13 G 19 MPH 6800 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 33 08 AM Sun Mar 02 2025 29F 27F / 37% SSW 12 G 19 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 34 09 AM Sun Mar 02 2025 29F 27F / 35% SSW 11 G 18 MPH 6400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 35 10 AM Sun Mar 02 2025 33F 28F / 39% S 10 G 18 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 36 11 AM Sun Mar 02 2025 35F 29F / 38% SSE 9 G 19 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 37 12 PM Sun Mar 02 2025 36F 29F / 41% SSE 10 G 20 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 38 01 PM Sun Mar 02 2025 36F 30F / 46% S 10 G 21 MPH 7200 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 39 02 PM Sun Mar 02 2025 37F 30F / 45% SSW 10 G 22 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 40 03 PM Sun Mar 02 2025 37F 29F / 46% S 10 G 25 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 41 04 PM Sun Mar 02 2025 37F 30F / 48% SSW 10 G 22 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 42 05 PM Sun Mar 02 2025 34F 28F / 47% SSW 9 G 17 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 43 06 PM Sun Mar 02 2025 31F 26F / 47% SSE 10 G 20 MPH 7500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 44 07 PM Sun Mar 02 2025 26F 22F / 77% S 12 G 23 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 45 08 PM Sun Mar 02 2025 25F 20F / 85% S 12 G 25 MPH 7100 FT 8:1 / 12% 0.04" / 0.3" 0.04" / 0.3" 46 09 PM Sun Mar 02 2025 24F 19F / 86% SSE 12 G 25 MPH 6500 FT 10:1 / 10% 0.07" / 0.7" 0.11" / 1.0" 47 10 PM Sun Mar 02 2025 23F 19F / 68% SSE 7 G 25 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.11" / 1.0" 48 11 PM Sun Mar 02 2025 22F 17F / 73% SE 8 G 25 MPH 5900 FT 11:1 / 9% 0.00" / 0.0" 0.11" / 1.0"