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 16-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 AM Mon Jun 16 2025 49F 48F / 15% SW 15 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Mon Jun 16 2025 50F 49F / 10% SW 16 G 23 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Mon Jun 16 2025 49F 48F / 17% SW 18 G 26 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Mon Jun 16 2025 49F 49F / 19% SW 19 G 29 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Mon Jun 16 2025 53F 49F / 15% SW 19 G 31 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Mon Jun 16 2025 59F 51F / 10% SW 17 G 30 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Mon Jun 16 2025 62F 52F / 6% SW 16 G 31 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Mon Jun 16 2025 63F 52F / 7% SW 15 G 28 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Mon Jun 16 2025 65F 53F / 7% SSW 13 G 29 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Mon Jun 16 2025 65F 54F / 10% WSW 12 G 23 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Mon Jun 16 2025 63F 54F / 13% WSW 13 G 24 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Mon Jun 16 2025 63F 54F / 13% WSW 13 G 23 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Mon Jun 16 2025 60F 53F / 21% W 16 G 27 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Mon Jun 16 2025 57F 51F / 17% WNW 17 G 27 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Mon Jun 16 2025 53F 49F / 14% WNW 19 G 29 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Mon Jun 16 2025 49F 47F / 8% W 17 G 25 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Mon Jun 16 2025 49F 47F / 11% W 15 G 23 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Mon Jun 16 2025 49F 46F / 10% W 18 G 25 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Tue Jun 17 2025 47F 46F / 24% SW 13 G 20 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Tue Jun 17 2025 45F 44F / 22% WNW 18 G 27 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Tue Jun 17 2025 45F 44F / 25% WNW 18 G 24 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Tue Jun 17 2025 46F 43F / 22% NW 18 G 25 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Tue Jun 17 2025 46F 44F / 24% WSW 14 G 19 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Tue Jun 17 2025 45F 43F / 26% W 14 G 19 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Tue Jun 17 2025 44F 42F / 26% W 17 G 24 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Tue Jun 17 2025 42F 41F / 26% WNW 16 G 21 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Tue Jun 17 2025 44F 41F / 31% ENE 16 G 21 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Tue Jun 17 2025 45F 42F / 31% WNW 16 G 22 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Tue Jun 17 2025 49F 42F / 34% WNW 14 G 22 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Tue Jun 17 2025 53F 43F / 24% WNW 14 G 26 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Tue Jun 17 2025 55F 45F / 36% WNW 14 G 27 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Tue Jun 17 2025 57F 46F / 40% WNW 15 G 25 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Tue Jun 17 2025 59F 47F / 43% WNW 17 G 29 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Tue Jun 17 2025 59F 47F / 41% WNW 16 G 30 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Tue Jun 17 2025 58F 46F / 35% WNW 18 G 29 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Tue Jun 17 2025 58F 46F / 35% WNW 19 G 30 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Tue Jun 17 2025 53F 45F / 40% WNW 21 G 32 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Tue Jun 17 2025 53F 48F / 38% WNW 23 G 36 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Tue Jun 17 2025 50F 48F / 36% WNW 25 G 36 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Tue Jun 17 2025 46F 45F / 39% WNW 25 G 37 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Tue Jun 17 2025 46F 45F / 37% WNW 26 G 38 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Tue Jun 17 2025 45F 44F / 42% WNW 23 G 34 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Wed Jun 18 2025 45F 44F / 43% WNW 25 G 34 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Wed Jun 18 2025 44F 44F / 41% WNW 23 G 34 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Wed Jun 18 2025 45F 43F / 41% WNW 23 G 30 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Wed Jun 18 2025 44F 43F / 39% WNW 23 G 31 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Wed Jun 18 2025 44F 43F / 42% WNW 23 G 30 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Wed Jun 18 2025 44F 43F / 42% WNW 22 G 28 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Wed Jun 18 2025 43F 43F / 43% W 21 G 26 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"