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 23-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 23 2025 34F 31F / 48% W 12 G 19 MPH 7600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 07 AM Mon Jun 23 2025 34F 32F / 42% W 12 G 17 MPH 7800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 2 08 AM Mon Jun 23 2025 36F 33F / 37% WSW 12 G 18 MPH 7900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 09 AM Mon Jun 23 2025 37F 34F / 38% WSW 11 G 17 MPH 8000 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 10 AM Mon Jun 23 2025 40F 35F / 39% WSW 9 G 14 MPH 8100 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 5 11 AM Mon Jun 23 2025 44F 37F / 38% SSW 5 G 10 MPH 8500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 6 12 PM Mon Jun 23 2025 48F 40F / 35% SSW 4 G 11 MPH 8800 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 01 PM Mon Jun 23 2025 50F 41F / 30% S 5 G 14 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 8 02 PM Mon Jun 23 2025 52F 42F / 25% S 7 G 18 MPH 9500 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 9 03 PM Mon Jun 23 2025 53F 43F / 18% S 7 G 18 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 10 04 PM Mon Jun 23 2025 52F 44F / 20% S 7 G 17 MPH 9900 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 05 PM Mon Jun 23 2025 53F 45F / 19% SSW 7 G 14 MPH 10000 FT 7:1 / 14% 0.00" / 0.0" 0.00" / 0.0" 12 06 PM Mon Jun 23 2025 51F 45F / 22% WSW 7 G 14 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 13 07 PM Mon Jun 23 2025 48F 43F / 24% SW 7 G 13 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 PM Mon Jun 23 2025 45F 41F / 27% WSW 8 G 14 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 PM Mon Jun 23 2025 43F 41F / 25% S 9 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 PM Mon Jun 23 2025 42F 41F / 27% SSE 10 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 PM Mon Jun 23 2025 41F 40F / 24% S 10 G 16 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 AM Tue Jun 24 2025 40F 40F / 25% S 9 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 AM Tue Jun 24 2025 39F 40F / 23% S 9 G 15 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 AM Tue Jun 24 2025 40F 40F / 26% S 11 G 16 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 AM Tue Jun 24 2025 41F 41F / 28% SSW 9 G 15 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 AM Tue Jun 24 2025 43F 41F / 27% SW 10 G 16 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 AM Tue Jun 24 2025 42F 41F / 27% S 12 G 18 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 AM Tue Jun 24 2025 42F 41F / 28% SSE 13 G 21 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 AM Tue Jun 24 2025 41F 40F / 30% SSE 15 G 24 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 AM Tue Jun 24 2025 43F 40F / 32% SSE 13 G 21 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 AM Tue Jun 24 2025 44F 41F / 34% SSW 12 G 19 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 AM Tue Jun 24 2025 47F 42F / 30% SSW 10 G 18 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 AM Tue Jun 24 2025 51F 43F / 32% SSW 9 G 21 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 PM Tue Jun 24 2025 54F 45F / 28% SSW 9 G 22 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 PM Tue Jun 24 2025 55F 45F / 28% S 10 G 23 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 PM Tue Jun 24 2025 57F 46F / 25% SSW 12 G 27 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 PM Tue Jun 24 2025 56F 46F / 24% SSW 12 G 26 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 PM Tue Jun 24 2025 56F 46F / 24% SW 15 G 29 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 PM Tue Jun 24 2025 56F 47F / 22% SW 15 G 28 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 PM Tue Jun 24 2025 53F 46F / 20% SW 14 G 26 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 PM Tue Jun 24 2025 54F 49F / 22% SW 13 G 23 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 PM Tue Jun 24 2025 50F 47F / 28% W 13 G 21 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 PM Tue Jun 24 2025 45F 44F / 34% W 12 G 18 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 PM Tue Jun 24 2025 45F 44F / 31% WNW 14 G 23 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 PM Tue Jun 24 2025 44F 43F / 27% W 12 G 18 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 AM Wed Jun 25 2025 44F 42F / 29% WSW 14 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 AM Wed Jun 25 2025 42F 42F / 30% WSW 14 G 18 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 AM Wed Jun 25 2025 43F 42F / 31% WSW 14 G 20 MPH 11400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 AM Wed Jun 25 2025 44F 43F / 28% WSW 15 G 18 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 AM Wed Jun 25 2025 44F 43F / 25% SW 15 G 21 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 AM Wed Jun 25 2025 43F 43F / 22% WSW 15 G 20 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 AM Wed Jun 25 2025 42F 43F / 24% WSW 15 G 19 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"