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 02-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 Sat Mar 01 2025 35F 33F / 18% ESE 9 G 15 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 06 PM Sat Mar 01 2025 32F 31F / 23% ESE 9 G 18 MPH 6900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 07 PM Sat Mar 01 2025 31F 31F / 28% SE 10 G 19 MPH 7000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 08 PM Sat Mar 01 2025 31F 30F / 28% SE 11 G 22 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 09 PM Sat Mar 01 2025 31F 30F / 26% SE 11 G 22 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 10 PM Sat Mar 01 2025 31F 30F / 26% SE 11 G 23 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 11 PM Sat Mar 01 2025 31F 30F / 24% SE 12 G 23 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 7 12 AM Sun Mar 02 2025 32F 30F / 20% SE 10 G 19 MPH 7700 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 8 01 AM Sun Mar 02 2025 31F 29F / 24% SSE 11 G 18 MPH 7600 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 9 02 AM Sun Mar 02 2025 30F 29F / 31% S 13 G 19 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 03 AM Sun Mar 02 2025 30F 28F / 31% SW 11 G 18 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 04 AM Sun Mar 02 2025 30F 28F / 33% WSW 11 G 17 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 12 05 AM Sun Mar 02 2025 29F 27F / 36% SW 12 G 16 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 13 06 AM Sun Mar 02 2025 28F 26F / 38% SW 12 G 15 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 14 07 AM Sun Mar 02 2025 28F 26F / 38% SW 12 G 16 MPH 7200 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 15 08 AM Sun Mar 02 2025 27F 25F / 45% SSW 10 G 16 MPH 7300 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 09 AM Sun Mar 02 2025 28F 25F / 45% SSW 9 G 16 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 10 AM Sun Mar 02 2025 32F 28F / 48% S 10 G 18 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 11 AM Sun Mar 02 2025 34F 28F / 48% S 9 G 19 MPH 7200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 19 12 PM Sun Mar 02 2025 36F 29F / 47% S 9 G 23 MPH 7300 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 20 01 PM Sun Mar 02 2025 36F 28F / 46% S 12 G 27 MPH 7400 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 21 02 PM Sun Mar 02 2025 36F 27F / 46% S 11 G 27 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 22 03 PM Sun Mar 02 2025 35F 27F / 47% S 10 G 27 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 04 PM Sun Mar 02 2025 34F 27F / 49% S 10 G 26 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 05 PM Sun Mar 02 2025 33F 26F / 48% S 10 G 22 MPH 7500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 25 06 PM Sun Mar 02 2025 30F 25F / 54% S 11 G 25 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 26 07 PM Sun Mar 02 2025 26F 22F / 53% S 15 G 32 MPH 7100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 27 08 PM Sun Mar 02 2025 24F 19F / 64% S 13 G 36 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 28 09 PM Sun Mar 02 2025 23F 18F / 64% S 16 G 38 MPH 6200 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 29 10 PM Sun Mar 02 2025 22F 17F / 68% SSE 17 G 40 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 30 11 PM Sun Mar 02 2025 22F 17F / 73% SSE 17 G 39 MPH 5700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 31 12 AM Mon Mar 03 2025 21F 16F / 73% SSE 15 G 35 MPH 5600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 32 01 AM Mon Mar 03 2025 21F 16F / 78% SE 15 G 34 MPH 5700 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 33 02 AM Mon Mar 03 2025 20F 16F / 79% SE 13 G 31 MPH 5400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 34 03 AM Mon Mar 03 2025 20F 14F / 88% SE 13 G 31 MPH 5100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 35 04 AM Mon Mar 03 2025 20F 14F / 91% SE 12 G 26 MPH 4800 FT 15:1 / 7% 0.00" / 0.0" 0.00" / 0.0" 36 05 AM Mon Mar 03 2025 20F 13F / 92% SE 10 G 23 MPH 4800 FT 14:1 / 7% 0.06" / 0.8" 0.06" / 0.8" 37 06 AM Mon Mar 03 2025 19F 13F / 89% SSE 11 G 25 MPH 4800 FT 13:1 / 8% 0.16" / 2.1" 0.22" / 2.9" 38 07 AM Mon Mar 03 2025 17F 10F / 87% SE 10 G 20 MPH 4900 FT 13:1 / 8% 0.03" / 0.4" 0.25" / 3.3" 39 08 AM Mon Mar 03 2025 17F 12F / 86% SE 10 G 24 MPH 4800 FT 15:1 / 7% 0.00" / 0.0" 0.25" / 3.3" 40 09 AM Mon Mar 03 2025 17F 11F / 81% SE 9 G 21 MPH 4800 FT 16:1 / 6% 0.00" / 0.0" 0.25" / 3.3" 41 10 AM Mon Mar 03 2025 19F 12F / 81% ESE 7 G 19 MPH 4600 FT 21:1 / 5% 0.00" / 0.0" 0.25" / 3.3" 42 11 AM Mon Mar 03 2025 21F 14F / 82% ESE 4 G 11 MPH 4700 FT 22:1 / 5% 0.00" / 0.0" 0.25" / 3.3" 43 12 PM Mon Mar 03 2025 22F 16F / 81% ESE 4 G 9 MPH 4700 FT 22:1 / 5% 0.00" / 0.0" 0.25" / 3.3" 44 01 PM Mon Mar 03 2025 24F 16F / 78% E 4 G 9 MPH 4900 FT 22:1 / 5% 0.00" / 0.0" 0.25" / 3.3" 45 02 PM Mon Mar 03 2025 24F 16F / 90% NE 8 G 13 MPH 5100 FT 21:1 / 5% 0.00" / 0.0" 0.25" / 3.3" 46 03 PM Mon Mar 03 2025 24F 15F / 94% NW 11 G 20 MPH 5000 FT 18:1 / 6% 0.00" / 0.0" 0.25" / 3.3" 47 04 PM Mon Mar 03 2025 23F 14F / 90% NW 11 G 21 MPH 5200 FT 18:1 / 6% 0.01" / 0.2" 0.26" / 3.5" 48 05 PM Mon Mar 03 2025 20F 11F / 99% NW 15 G 24 MPH 5400 FT 15:1 / 7% 0.01" / 0.2" 0.27" / 3.7"