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 17-Jun-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 Mon Jun 16 2025 59F 52F / 27% W 9 G 15 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Mon Jun 16 2025 56F 51F / 33% WNW 13 G 21 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Mon Jun 16 2025 52F 49F / 19% WNW 17 G 24 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Mon Jun 16 2025 49F 47F / 12% WNW 21 G 32 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Mon Jun 16 2025 48F 46F / 9% WNW 22 G 32 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Mon Jun 16 2025 48F 46F / 12% WNW 16 G 23 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Tue Jun 17 2025 47F 46F / 16% W 15 G 22 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Tue Jun 17 2025 47F 46F / 11% WNW 15 G 21 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Tue Jun 17 2025 46F 44F / 13% WNW 17 G 23 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Tue Jun 17 2025 45F 43F / 22% WNW 20 G 31 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Tue Jun 17 2025 45F 43F / 19% WNW 16 G 25 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Tue Jun 17 2025 43F 42F / 27% WNW 21 G 29 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Tue Jun 17 2025 43F 41F / 25% WNW 21 G 30 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Tue Jun 17 2025 42F 41F / 39% ENE 17 G 24 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Tue Jun 17 2025 44F 41F / 37% WNW 20 G 28 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Tue Jun 17 2025 45F 42F / 33% WNW 20 G 28 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Tue Jun 17 2025 47F 42F / 36% WNW 15 G 23 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Tue Jun 17 2025 51F 43F / 36% WNW 15 G 25 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Tue Jun 17 2025 54F 44F / 36% WNW 16 G 26 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Tue Jun 17 2025 57F 45F / 39% WNW 17 G 27 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Tue Jun 17 2025 58F 46F / 28% WNW 19 G 30 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Tue Jun 17 2025 58F 46F / 43% WNW 18 G 30 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Tue Jun 17 2025 58F 46F / 39% WNW 17 G 26 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Tue Jun 17 2025 58F 47F / 44% WNW 19 G 29 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Tue Jun 17 2025 54F 46F / 38% WNW 20 G 31 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Tue Jun 17 2025 51F 46F / 45% WNW 22 G 33 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Tue Jun 17 2025 48F 44F / 42% WNW 24 G 35 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Tue Jun 17 2025 45F 42F / 47% WNW 24 G 33 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Tue Jun 17 2025 44F 43F / 40% WNW 24 G 34 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Tue Jun 17 2025 44F 42F / 45% WNW 24 G 35 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Wed Jun 18 2025 44F 42F / 48% WNW 26 G 35 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Wed Jun 18 2025 44F 43F / 47% WNW 25 G 35 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Wed Jun 18 2025 44F 42F / 43% WNW 25 G 35 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Wed Jun 18 2025 44F 42F / 41% WNW 24 G 33 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Wed Jun 18 2025 44F 42F / 43% WNW 23 G 32 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Wed Jun 18 2025 44F 42F / 40% WNW 22 G 31 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Wed Jun 18 2025 44F 42F / 43% WNW 20 G 28 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Wed Jun 18 2025 43F 43F / 41% WNW 20 G 25 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Wed Jun 18 2025 45F 45F / 39% WNW 17 G 21 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Wed Jun 18 2025 47F 46F / 47% W 14 G 19 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Wed Jun 18 2025 51F 46F / 50% W 10 G 14 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Wed Jun 18 2025 56F 48F / 42% W 10 G 15 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Wed Jun 18 2025 60F 52F / 29% WNW 9 G 17 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Wed Jun 18 2025 62F 54F / 23% W 9 G 17 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Wed Jun 18 2025 64F 54F / 24% W 8 G 17 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Wed Jun 18 2025 65F 55F / 27% W 10 G 21 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Wed Jun 18 2025 65F 56F / 31% WSW 11 G 22 MPH 13000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Wed Jun 18 2025 66F 56F / 23% WSW 14 G 23 MPH 13200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Wed Jun 18 2025 64F 56F / 24% WSW 14 G 23 MPH 13100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"