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 22-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 06 PM Fri Mar 21 2025 26F 19F / 85% WSW 15 G 26 MPH 6100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Fri Mar 21 2025 23F 17F / 74% SW 16 G 27 MPH 6200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Fri Mar 21 2025 21F 16F / 80% WSW 21 G 33 MPH 6100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Fri Mar 21 2025 22F 18F / 79% WSW 27 G 42 MPH 6200 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Fri Mar 21 2025 22F 17F / 91% WSW 26 G 42 MPH 6100 FT 8:1 / 12% 0.01" / 0.1" 0.01" / 0.1" 5 11 PM Fri Mar 21 2025 22F 17F / 98% W 27 G 43 MPH 6300 FT 9:1 / 11% 0.04" / 0.4" 0.05" / 0.5" 6 12 AM Sat Mar 22 2025 23F 18F / 98% W 26 G 42 MPH 6100 FT 10:1 / 10% 0.05" / 0.5" 0.10" / 1.0" 7 01 AM Sat Mar 22 2025 23F 17F / 100% W 27 G 42 MPH 6300 FT 10:1 / 10% 0.01" / 0.1" 0.11" / 1.1" 8 02 AM Sat Mar 22 2025 24F 17F / 100% W 30 G 47 MPH 6500 FT 10:1 / 10% 0.01" / 0.1" 0.12" / 1.2" 9 03 AM Sat Mar 22 2025 23F 17F / 100% W 29 G 46 MPH 6500 FT 9:1 / 11% 0.03" / 0.3" 0.15" / 1.5" 10 04 AM Sat Mar 22 2025 23F 17F / 100% W 26 G 42 MPH 6600 FT 10:1 / 10% 0.01" / 0.1" 0.16" / 1.6" 11 05 AM Sat Mar 22 2025 23F 17F / 100% W 27 G 41 MPH 6600 FT 10:1 / 10% 0.02" / 0.2" 0.18" / 1.8" 12 06 AM Sat Mar 22 2025 22F 16F / 100% W 27 G 42 MPH 6600 FT 10:1 / 10% 0.07" / 0.7" 0.25" / 2.5" 13 07 AM Sat Mar 22 2025 22F 16F / 100% W 27 G 43 MPH 6700 FT 10:1 / 10% 0.05" / 0.5" 0.30" / 3.0" 14 08 AM Sat Mar 22 2025 22F 15F / 99% W 28 G 43 MPH 6600 FT 10:1 / 10% 0.02" / 0.2" 0.32" / 3.2" 15 09 AM Sat Mar 22 2025 22F 15F / 98% W 28 G 45 MPH 6600 FT 10:1 / 10% 0.01" / 0.1" 0.33" / 3.3" 16 10 AM Sat Mar 22 2025 22F 16F / 98% W 29 G 45 MPH 6700 FT 10:1 / 10% 0.01" / 0.1" 0.34" / 3.4" 17 11 AM Sat Mar 22 2025 24F 16F / 99% W 27 G 44 MPH 6700 FT 10:1 / 10% 0.01" / 0.1" 0.35" / 3.5" 18 12 PM Sat Mar 22 2025 25F 15F / 97% W 26 G 43 MPH 6700 FT 10:1 / 10% 0.01" / 0.1" 0.36" / 3.6" 19 01 PM Sat Mar 22 2025 27F 17F / 97% W 28 G 43 MPH 6800 FT 9:1 / 11% 0.01" / 0.1" 0.37" / 3.7" 20 02 PM Sat Mar 22 2025 26F 17F / 91% W 28 G 44 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.37" / 3.7" 21 03 PM Sat Mar 22 2025 27F 17F / 97% W 28 G 45 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.37" / 3.7" 22 04 PM Sat Mar 22 2025 27F 18F / 97% W 30 G 46 MPH 7000 FT 9:1 / 11% 0.04" / 0.4" 0.41" / 4.1" 23 05 PM Sat Mar 22 2025 26F 17F / 99% W 32 G 50 MPH 7200 FT 8:1 / 12% 0.03" / 0.2" 0.44" / 4.3" 24 06 PM Sat Mar 22 2025 25F 17F / 100% W 30 G 49 MPH 7200 FT 8:1 / 12% 0.01" / 0.1" 0.45" / 4.4" 25 07 PM Sat Mar 22 2025 25F 17F / 99% W 28 G 44 MPH 6900 FT 9:1 / 11% 0.02" / 0.2" 0.47" / 4.6" 26 08 PM Sat Mar 22 2025 23F 17F / 100% WNW 26 G 41 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.47" / 4.6" 27 09 PM Sat Mar 22 2025 22F 17F / 100% WNW 29 G 43 MPH 6300 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 28 10 PM Sat Mar 22 2025 22F 16F / 99% WNW 29 G 44 MPH 6100 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 29 11 PM Sat Mar 22 2025 22F 16F / 98% WNW 30 G 45 MPH 6000 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 30 12 AM Sun Mar 23 2025 22F 16F / 99% WNW 31 G 45 MPH 5800 FT 7:1 / 14% 0.00" / 0.0" 0.47" / 4.6" 31 01 AM Sun Mar 23 2025 21F 17F / 93% WNW 31 G 47 MPH 5600 FT 7:1 / 14% 0.00" / 0.0" 0.47" / 4.6" 32 02 AM Sun Mar 23 2025 20F 17F / 84% WNW 31 G 46 MPH 5600 FT 7:1 / 14% 0.00" / 0.0" 0.47" / 4.6" 33 03 AM Sun Mar 23 2025 19F 16F / 87% WNW 31 G 48 MPH 5600 FT 7:1 / 14% 0.00" / 0.0" 0.47" / 4.6" 34 04 AM Sun Mar 23 2025 19F 15F / 94% WNW 31 G 46 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.47" / 4.6" 35 05 AM Sun Mar 23 2025 20F 15F / 89% WNW 28 G 42 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.47" / 4.6" 36 06 AM Sun Mar 23 2025 19F 15F / 88% WNW 27 G 41 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 37 07 AM Sun Mar 23 2025 19F 15F / 89% NW 26 G 38 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 38 08 AM Sun Mar 23 2025 19F 16F / 91% WNW 26 G 39 MPH 5600 FT 7:1 / 14% 0.00" / 0.0" 0.47" / 4.6" 39 09 AM Sun Mar 23 2025 22F 18F / 87% WNW 25 G 38 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 40 10 AM Sun Mar 23 2025 24F 20F / 88% WNW 24 G 36 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 41 11 AM Sun Mar 23 2025 26F 22F / 91% WNW 23 G 32 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.47" / 4.6" 42 12 PM Sun Mar 23 2025 28F 22F / 87% WNW 22 G 32 MPH 6400 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 43 01 PM Sun Mar 23 2025 30F 23F / 86% WNW 23 G 34 MPH 6800 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 44 02 PM Sun Mar 23 2025 30F 23F / 87% WNW 23 G 35 MPH 7000 FT 8:1 / 12% 0.00" / 0.0" 0.47" / 4.6" 45 03 PM Sun Mar 23 2025 31F 24F / 87% WNW 24 G 35 MPH 7100 FT 9:1 / 11% 0.00" / 0.0" 0.47" / 4.6" 46 04 PM Sun Mar 23 2025 30F 24F / 86% WNW 22 G 35 MPH 7400 FT 10:1 / 10% 0.00" / 0.0" 0.47" / 4.6" 47 05 PM Sun Mar 23 2025 30F 24F / 86% WNW 23 G 33 MPH 7500 FT 10:1 / 10% 0.00" / 0.0" 0.47" / 4.6" 48 06 PM Sun Mar 23 2025 29F 26F / 78% WNW 24 G 35 MPH 7700 FT 10:1 / 10% 0.00" / 0.0" 0.47" / 4.6"