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 12-Jul-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 Jul 11 2025 59F 53F / 34% WNW 14 G 23 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Fri Jul 11 2025 56F 52F / 47% WNW 15 G 22 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Fri Jul 11 2025 52F 49F / 44% WNW 17 G 25 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Fri Jul 11 2025 50F 48F / 41% WNW 17 G 26 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Fri Jul 11 2025 49F 48F / 44% WNW 17 G 24 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Fri Jul 11 2025 49F 47F / 49% NW 17 G 28 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Sat Jul 12 2025 48F 47F / 63% NW 21 G 32 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Sat Jul 12 2025 48F 47F / 59% ENE 23 G 31 MPH 13300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Sat Jul 12 2025 48F 47F / 52% NW 23 G 34 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Sat Jul 12 2025 48F 47F / 51% NW 24 G 36 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Sat Jul 12 2025 47F 46F / 48% NW 23 G 34 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Sat Jul 12 2025 47F 46F / 49% NW 24 G 34 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Sat Jul 12 2025 47F 46F / 46% WNW 23 G 32 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Sat Jul 12 2025 47F 46F / 42% WNW 22 G 29 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Sat Jul 12 2025 48F 46F / 50% WNW 22 G 29 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Sat Jul 12 2025 50F 47F / 51% WNW 19 G 26 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Sat Jul 12 2025 52F 48F / 45% WNW 14 G 23 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Sat Jul 12 2025 57F 50F / 42% WNW 14 G 23 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Sat Jul 12 2025 60F 51F / 38% WNW 13 G 21 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Sat Jul 12 2025 62F 52F / 37% WNW 13 G 23 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Sat Jul 12 2025 64F 54F / 36% WNW 13 G 22 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Sat Jul 12 2025 65F 55F / 30% WNW 12 G 21 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Sat Jul 12 2025 64F 55F / 26% WNW 11 G 19 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Sat Jul 12 2025 64F 56F / 22% WNW 13 G 19 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Sat Jul 12 2025 60F 55F / 25% W 14 G 22 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Sat Jul 12 2025 59F 54F / 34% W 14 G 21 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Sat Jul 12 2025 55F 52F / 33% W 13 G 20 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Sat Jul 12 2025 51F 51F / 25% W 13 G 18 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Sat Jul 12 2025 51F 51F / 14% W 12 G 14 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Sat Jul 12 2025 52F 51F / 19% NW 12 G 16 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Sun Jul 13 2025 51F 50F / 34% NNW 14 G 20 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Sun Jul 13 2025 51F 50F / 44% NW 15 G 23 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Sun Jul 13 2025 50F 49F / 52% NNW 14 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Sun Jul 13 2025 49F 48F / 44% NNW 17 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Sun Jul 13 2025 48F 49F / 40% NNW 14 G 18 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Sun Jul 13 2025 49F 49F / 34% NW 13 G 18 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Sun Jul 13 2025 49F 49F / 37% WNW 13 G 17 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Sun Jul 13 2025 50F 51F / 37% WNW 14 G 17 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Sun Jul 13 2025 50F 52F / 31% WNW 13 G 19 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Sun Jul 13 2025 53F 54F / 31% NW 15 G 20 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Sun Jul 13 2025 57F 54F / 23% WNW 12 G 17 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Sun Jul 13 2025 62F 55F / 17% WNW 9 G 16 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Sun Jul 13 2025 65F 58F / 10% W 9 G 17 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Sun Jul 13 2025 66F 59F / 13% W 9 G 19 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Sun Jul 13 2025 68F 58F / 19% W 12 G 21 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Sun Jul 13 2025 68F 59F / 14% WNW 14 G 24 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Sun Jul 13 2025 68F 59F / 11% W 15 G 26 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Sun Jul 13 2025 69F 60F / 10% W 17 G 28 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Sun Jul 13 2025 66F 60F / 9% W 19 G 29 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"