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 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 11 PM Sat Mar 01 2025 30F 29F / 31% SE 11 G 22 MPH 7800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 1 12 AM Sun Mar 02 2025 30F 29F / 27% SSE 11 G 19 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 2 01 AM Sun Mar 02 2025 30F 28F / 32% S 12 G 20 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 3 02 AM Sun Mar 02 2025 29F 27F / 34% SSW 12 G 18 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 4 03 AM Sun Mar 02 2025 29F 27F / 35% SW 11 G 16 MPH 7800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 5 04 AM Sun Mar 02 2025 28F 27F / 34% SW 12 G 17 MPH 7700 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 6 05 AM Sun Mar 02 2025 29F 27F / 36% SSW 12 G 15 MPH 7300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 7 06 AM Sun Mar 02 2025 28F 27F / 33% SW 11 G 18 MPH 7100 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 8 07 AM Sun Mar 02 2025 25F 24F / 41% SSW 13 G 19 MPH 6800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 9 08 AM Sun Mar 02 2025 24F 24F / 44% S 13 G 22 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 10 09 AM Sun Mar 02 2025 28F 25F / 44% SSW 11 G 21 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 11 10 AM Sun Mar 02 2025 33F 27F / 43% SSW 8 G 17 MPH 7000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 12 11 AM Sun Mar 02 2025 34F 28F / 47% S 10 G 23 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 13 12 PM Sun Mar 02 2025 35F 28F / 43% S 11 G 25 MPH 6900 FT 8:1 / 12% 0.00" / 0.0" 0.00" / 0.0" 14 01 PM Sun Mar 02 2025 35F 28F / 43% S 11 G 27 MPH 7000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 15 02 PM Sun Mar 02 2025 35F 27F / 45% S 11 G 29 MPH 7400 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 16 03 PM Sun Mar 02 2025 35F 27F / 45% S 10 G 27 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 17 04 PM Sun Mar 02 2025 35F 27F / 46% SSE 8 G 23 MPH 7500 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 18 05 PM Sun Mar 02 2025 33F 26F / 50% S 10 G 22 MPH 7600 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 19 06 PM Sun Mar 02 2025 30F 25F / 56% S 15 G 29 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 20 07 PM Sun Mar 02 2025 27F 22F / 57% S 14 G 28 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 21 08 PM Sun Mar 02 2025 24F 19F / 64% S 13 G 30 MPH 6200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 22 09 PM Sun Mar 02 2025 23F 18F / 72% SSE 12 G 32 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 23 10 PM Sun Mar 02 2025 22F 18F / 66% SSE 13 G 29 MPH 6000 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 24 11 PM Sun Mar 02 2025 21F 17F / 69% SE 11 G 27 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 25 12 AM Mon Mar 03 2025 19F 15F / 79% SE 9 G 22 MPH 5800 FT 13:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 26 01 AM Mon Mar 03 2025 20F 16F / 76% ESE 12 G 28 MPH 6000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 27 02 AM Mon Mar 03 2025 19F 14F / 88% ESE 11 G 21 MPH 5500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 28 03 AM Mon Mar 03 2025 19F 13F / 100% ESE 9 G 19 MPH 5300 FT 13:1 / 8% 0.02" / 0.3" 0.02" / 0.3" 29 04 AM Mon Mar 03 2025 18F 12F / 91% SSE 13 G 23 MPH 5200 FT 15:1 / 7% 0.10" / 1.5" 0.12" / 1.8" 30 05 AM Mon Mar 03 2025 17F 11F / 90% ESE 10 G 21 MPH 5200 FT 13:1 / 8% 0.09" / 1.2" 0.21" / 3.0" 31 06 AM Mon Mar 03 2025 15F 10F / 87% SSE 8 G 17 MPH 5100 FT 18:1 / 6% 0.04" / 0.7" 0.25" / 3.7" 32 07 AM Mon Mar 03 2025 15F 9F / 89% SSE 9 G 18 MPH 5200 FT 19:1 / 5% 0.06" / 1.1" 0.31" / 4.8" 33 08 AM Mon Mar 03 2025 14F 8F / 91% ENE 6 G 13 MPH 4700 FT 20:1 / 5% 0.01" / 0.2" 0.32" / 5.0" 34 09 AM Mon Mar 03 2025 15F 8F / 89% NNW 6 G 11 MPH 4700 FT 23:1 / 4% 0.01" / 0.2" 0.33" / 5.2" 35 10 AM Mon Mar 03 2025 17F 9F / 97% NW 6 G 10 MPH 4900 FT 22:1 / 5% 0.00" / 0.0" 0.33" / 5.2" 36 11 AM Mon Mar 03 2025 19F 11F / 99% NW 7 G 13 MPH 4800 FT 20:1 / 5% 0.03" / 0.6" 0.36" / 5.8" 37 12 PM Mon Mar 03 2025 22F 14F / 87% NW 6 G 15 MPH 4900 FT 19:1 / 5% 0.05" / 1.0" 0.41" / 6.8" 38 01 PM Mon Mar 03 2025 22F 14F / 93% NW 10 G 19 MPH 5200 FT 18:1 / 6% 0.02" / 0.4" 0.43" / 7.2" 39 02 PM Mon Mar 03 2025 22F 14F / 96% NW 13 G 20 MPH 5200 FT 18:1 / 6% 0.01" / 0.2" 0.44" / 7.4" 40 03 PM Mon Mar 03 2025 22F 13F / 95% NW 12 G 22 MPH 5100 FT 17:1 / 6% 0.01" / 0.2" 0.45" / 7.6" 41 04 PM Mon Mar 03 2025 22F 13F / 95% WNW 17 G 28 MPH 5100 FT 15:1 / 7% 0.04" / 0.6" 0.49" / 8.2" 42 05 PM Mon Mar 03 2025 20F 11F / 91% NW 21 G 33 MPH 5300 FT 13:1 / 8% 0.02" / 0.3" 0.51" / 8.5" 43 06 PM Mon Mar 03 2025 19F 12F / 94% NNW 20 G 35 MPH 5400 FT 14:1 / 7% 0.03" / 0.4" 0.54" / 8.9" 44 07 PM Mon Mar 03 2025 19F 13F / 93% NW 22 G 36 MPH 5600 FT 14:1 / 7% 0.01" / 0.1" 0.55" / 9.0" 45 08 PM Mon Mar 03 2025 19F 14F / 96% NW 17 G 34 MPH 5800 FT 14:1 / 7% 0.00" / 0.0" 0.55" / 9.0" 46 09 PM Mon Mar 03 2025 19F 13F / 96% SE 17 G 24 MPH 5900 FT 13:1 / 8% 0.00" / 0.0" 0.55" / 9.0" 47 10 PM Mon Mar 03 2025 19F 15F / 97% NNW 18 G 33 MPH 6000 FT 13:1 / 8% 0.00" / 0.0" 0.55" / 9.0" 48 11 PM Mon Mar 03 2025 20F 15F / 94% NNW 18 G 31 MPH 6100 FT 13:1 / 8% 0.00" / 0.0" 0.55" / 9.0"