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 18Z 07-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 12 PM Sat Jun 07 2025 53F 44F / 44% WNW 14 G 22 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 PM Sat Jun 07 2025 55F 45F / 44% W 14 G 23 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 PM Sat Jun 07 2025 57F 46F / 32% W 15 G 24 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 PM Sat Jun 07 2025 57F 47F / 27% W 16 G 26 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 PM Sat Jun 07 2025 57F 48F / 28% W 16 G 27 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 PM Sat Jun 07 2025 56F 48F / 27% W 16 G 27 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 PM Sat Jun 07 2025 54F 48F / 36% W 17 G 25 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 PM Sat Jun 07 2025 51F 47F / 35% WNW 16 G 23 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 PM Sat Jun 07 2025 48F 45F / 42% WNW 18 G 26 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 PM Sat Jun 07 2025 46F 44F / 42% WNW 18 G 28 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 PM Sat Jun 07 2025 45F 44F / 37% WNW 21 G 30 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 PM Sat Jun 07 2025 45F 44F / 40% NW 22 G 31 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 AM Sun Jun 08 2025 45F 44F / 37% ENE 20 G 25 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 AM Sun Jun 08 2025 45F 44F / 46% NW 22 G 29 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 AM Sun Jun 08 2025 45F 43F / 54% WNW 22 G 30 MPH 12900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 AM Sun Jun 08 2025 44F 42F / 55% WNW 22 G 29 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 AM Sun Jun 08 2025 44F 42F / 57% WNW 22 G 32 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 AM Sun Jun 08 2025 44F 42F / 58% WNW 23 G 32 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 AM Sun Jun 08 2025 43F 42F / 58% WNW 23 G 32 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 AM Sun Jun 08 2025 43F 42F / 63% WNW 21 G 32 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 08 AM Sun Jun 08 2025 44F 42F / 61% WNW 22 G 31 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 09 AM Sun Jun 08 2025 46F 43F / 62% WNW 22 G 32 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 10 AM Sun Jun 08 2025 48F 43F / 61% WNW 18 G 28 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 AM Sun Jun 08 2025 53F 45F / 52% WNW 17 G 28 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 12 PM Sun Jun 08 2025 56F 47F / 47% WNW 16 G 27 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 01 PM Sun Jun 08 2025 58F 48F / 46% WNW 16 G 26 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 02 PM Sun Jun 08 2025 60F 49F / 41% WNW 14 G 25 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 03 PM Sun Jun 08 2025 61F 50F / 37% WNW 13 G 23 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 PM Sun Jun 08 2025 61F 50F / 32% WNW 12 G 19 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 PM Sun Jun 08 2025 61F 51F / 32% WNW 12 G 20 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 06 PM Sun Jun 08 2025 58F 51F / 44% WNW 14 G 22 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 PM Sun Jun 08 2025 55F 50F / 58% WNW 15 G 26 MPH 12800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 PM Sun Jun 08 2025 52F 47F / 62% NW 19 G 29 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 PM Sun Jun 08 2025 49F 46F / 59% NW 19 G 31 MPH 12600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 PM Sun Jun 08 2025 47F 45F / 45% NW 19 G 29 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 PM Sun Jun 08 2025 45F 44F / 61% NNW 20 G 31 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 AM Mon Jun 09 2025 44F 44F / 50% NNW 18 G 29 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 AM Mon Jun 09 2025 44F 45F / 60% N 20 G 29 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 AM Mon Jun 09 2025 44F 45F / 53% N 20 G 29 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 AM Mon Jun 09 2025 44F 45F / 49% N 19 G 26 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 AM Mon Jun 09 2025 45F 45F / 40% N 19 G 27 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 AM Mon Jun 09 2025 45F 45F / 32% N 18 G 27 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 AM Mon Jun 09 2025 44F 45F / 33% NNE 19 G 27 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 AM Mon Jun 09 2025 43F 44F / 36% NNW 19 G 25 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 AM Mon Jun 09 2025 45F 46F / 34% N 17 G 24 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 AM Mon Jun 09 2025 47F 46F / 47% NNW 16 G 24 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 AM Mon Jun 09 2025 50F 46F / 42% NNE 13 G 22 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 AM Mon Jun 09 2025 55F 48F / 36% NNW 10 G 17 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 PM Mon Jun 09 2025 60F 51F / 30% NW 7 G 16 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"