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 12Z 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 AM Sat Mar 22 2025 22F 16F / 99% W 25 G 40 MPH 7000 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Sat Mar 22 2025 23F 16F / 100% WNW 26 G 42 MPH 6500 FT 10:1 / 10% 0.01" / 0.1" 0.01" / 0.1" 2 08 AM Sat Mar 22 2025 22F 16F / 95% WNW 24 G 38 MPH 6500 FT 11:1 / 9% 0.01" / 0.1" 0.02" / 0.2" 3 09 AM Sat Mar 22 2025 21F 15F / 100% W 25 G 40 MPH 6600 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 4 10 AM Sat Mar 22 2025 21F 14F / 94% W 25 G 40 MPH 6400 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 5 11 AM Sat Mar 22 2025 23F 14F / 96% W 28 G 44 MPH 6600 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 6 12 PM Sat Mar 22 2025 25F 15F / 99% W 28 G 46 MPH 6500 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 7 01 PM Sat Mar 22 2025 26F 16F / 94% W 25 G 41 MPH 6600 FT 12:1 / 8% 0.00" / 0.0" 0.02" / 0.2" 8 02 PM Sat Mar 22 2025 26F 16F / 98% W 26 G 42 MPH 6800 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 9 03 PM Sat Mar 22 2025 27F 16F / 93% W 28 G 46 MPH 6900 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 10 04 PM Sat Mar 22 2025 27F 16F / 98% W 30 G 47 MPH 6900 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 11 05 PM Sat Mar 22 2025 27F 17F / 95% W 32 G 51 MPH 7100 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 12 06 PM Sat Mar 22 2025 26F 17F / 99% W 32 G 49 MPH 6900 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 13 07 PM Sat Mar 22 2025 24F 17F / 98% WNW 31 G 48 MPH 6700 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 14 08 PM Sat Mar 22 2025 22F 16F / 100% WNW 27 G 41 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 15 09 PM Sat Mar 22 2025 21F 15F / 96% WNW 27 G 41 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 16 10 PM Sat Mar 22 2025 21F 15F / 97% WNW 30 G 46 MPH 5800 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 17 11 PM Sat Mar 22 2025 21F 15F / 98% WNW 31 G 48 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 18 12 AM Sun Mar 23 2025 20F 15F / 95% WNW 32 G 47 MPH 5600 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 19 01 AM Sun Mar 23 2025 19F 15F / 93% WNW 30 G 46 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 20 02 AM Sun Mar 23 2025 19F 15F / 92% WNW 29 G 45 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 21 03 AM Sun Mar 23 2025 19F 15F / 92% WNW 29 G 43 MPH 5500 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2" 22 04 AM Sun Mar 23 2025 19F 15F / 92% WNW 27 G 40 MPH 5500 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2" 23 05 AM Sun Mar 23 2025 19F 15F / 91% NW 28 G 40 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 24 06 AM Sun Mar 23 2025 19F 16F / 86% NW 26 G 38 MPH 5500 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2" 25 07 AM Sun Mar 23 2025 19F 16F / 80% NW 25 G 37 MPH 5500 FT 7:1 / 14% 0.00" / 0.0" 0.02" / 0.2" 26 08 AM Sun Mar 23 2025 20F 18F / 70% NW 26 G 37 MPH 5500 FT 8:1 / 12% 0.00" / 0.0" 0.02" / 0.2" 27 09 AM Sun Mar 23 2025 21F 19F / 75% WNW 24 G 35 MPH 5600 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 28 10 AM Sun Mar 23 2025 24F 20F / 78% WNW 22 G 32 MPH 5500 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 29 11 AM Sun Mar 23 2025 25F 21F / 80% WNW 20 G 29 MPH 5700 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 30 12 PM Sun Mar 23 2025 27F 21F / 83% WNW 19 G 28 MPH 6100 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 31 01 PM Sun Mar 23 2025 29F 23F / 79% WNW 18 G 28 MPH 6500 FT 9:1 / 11% 0.00" / 0.0" 0.02" / 0.2" 32 02 PM Sun Mar 23 2025 30F 23F / 76% WNW 18 G 28 MPH 6800 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 33 03 PM Sun Mar 23 2025 30F 24F / 76% WNW 18 G 28 MPH 6900 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 34 04 PM Sun Mar 23 2025 29F 24F / 78% WNW 18 G 27 MPH 7200 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 35 05 PM Sun Mar 23 2025 29F 25F / 79% WNW 17 G 27 MPH 7400 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 36 06 PM Sun Mar 23 2025 28F 25F / 74% WNW 18 G 27 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 37 07 PM Sun Mar 23 2025 29F 26F / 66% WNW 19 G 28 MPH 7600 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 38 08 PM Sun Mar 23 2025 26F 25F / 67% WNW 18 G 27 MPH 7700 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 39 09 PM Sun Mar 23 2025 26F 25F / 65% WNW 19 G 28 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 40 10 PM Sun Mar 23 2025 27F 26F / 63% WNW 21 G 30 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 41 11 PM Sun Mar 23 2025 26F 25F / 67% WNW 21 G 31 MPH 8300 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 42 12 AM Mon Mar 24 2025 26F 24F / 71% WNW 24 G 33 MPH 8400 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 43 01 AM Mon Mar 24 2025 25F 25F / 65% WNW 24 G 36 MPH 8400 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 44 02 AM Mon Mar 24 2025 26F 25F / 64% WNW 24 G 36 MPH 8300 FT 10:1 / 10% 0.00" / 0.0" 0.02" / 0.2" 45 03 AM Mon Mar 24 2025 26F 25F / 67% WNW 23 G 33 MPH 8200 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 46 04 AM Mon Mar 24 2025 26F 24F / 71% WNW 22 G 32 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 47 05 AM Mon Mar 24 2025 25F 24F / 72% WNW 22 G 30 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2" 48 06 AM Mon Mar 24 2025 25F 23F / 73% WNW 21 G 29 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.02" / 0.2"