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 06Z 05-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 AM Thu Jun 05 2025 37F 35F / 28% WSW 18 G 24 MPH 8800 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Thu Jun 05 2025 37F 35F / 23% W 18 G 24 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Thu Jun 05 2025 36F 34F / 26% W 16 G 19 MPH 9100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Thu Jun 05 2025 37F 35F / 26% W 16 G 20 MPH 9100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Thu Jun 05 2025 37F 34F / 28% WSW 16 G 22 MPH 9100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Thu Jun 05 2025 37F 34F / 28% WSW 14 G 22 MPH 9200 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Thu Jun 05 2025 35F 33F / 38% SW 15 G 22 MPH 8900 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Thu Jun 05 2025 36F 34F / 41% SW 15 G 24 MPH 9100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Thu Jun 05 2025 38F 35F / 48% SSW 15 G 25 MPH 9300 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Thu Jun 05 2025 40F 36F / 84% SSW 16 G 27 MPH 9600 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Thu Jun 05 2025 42F 36F / 78% SW 14 G 24 MPH 9800 FT 9:1 / 11% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Thu Jun 05 2025 46F 37F / 76% SW 11 G 22 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Thu Jun 05 2025 48F 39F / 65% SW 12 G 21 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Thu Jun 05 2025 51F 41F / 57% WSW 12 G 23 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Thu Jun 05 2025 52F 42F / 53% SW 12 G 24 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Thu Jun 05 2025 50F 40F / 55% W 13 G 23 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Thu Jun 05 2025 53F 43F / 48% W 12 G 22 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Thu Jun 05 2025 52F 43F / 44% W 14 G 22 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 06 PM Thu Jun 05 2025 50F 42F / 43% W 14 G 23 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 07 PM Thu Jun 05 2025 47F 41F / 44% W 15 G 22 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 20 08 PM Thu Jun 05 2025 44F 39F / 49% W 15 G 22 MPH 10200 FT 5:1 / 20% 0.00" / 0.0" 0.00" / 0.0" 21 09 PM Thu Jun 05 2025 41F 38F / 40% W 17 G 24 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 22 10 PM Thu Jun 05 2025 40F 38F / 33% WSW 18 G 24 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 11 PM Thu Jun 05 2025 40F 38F / 31% WSW 15 G 21 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 24 12 AM Fri Jun 06 2025 40F 38F / 27% SW 13 G 17 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.00" / 0.0" 25 01 AM Fri Jun 06 2025 38F 36F / 46% WSW 16 G 24 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 26 02 AM Fri Jun 06 2025 37F 35F / 55% WSW 15 G 19 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 27 03 AM Fri Jun 06 2025 37F 35F / 54% WSW 14 G 19 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 04 AM Fri Jun 06 2025 37F 35F / 63% WSW 14 G 22 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 05 AM Fri Jun 06 2025 38F 35F / 72% WSW 15 G 22 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.00" / 0.0" 30 06 AM Fri Jun 06 2025 37F 34F / 81% WSW 16 G 22 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 07 AM Fri Jun 06 2025 37F 35F / 80% WSW 16 G 23 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 08 AM Fri Jun 06 2025 40F 37F / 72% WSW 18 G 25 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 09 AM Fri Jun 06 2025 40F 36F / 87% W 15 G 22 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 10 AM Fri Jun 06 2025 43F 37F / 90% SW 14 G 24 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 11 AM Fri Jun 06 2025 47F 38F / 86% WSW 13 G 22 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 12 PM Fri Jun 06 2025 50F 41F / 67% W 14 G 23 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 01 PM Fri Jun 06 2025 53F 45F / 52% W 12 G 21 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 02 PM Fri Jun 06 2025 55F 46F / 44% W 13 G 22 MPH 10700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 03 PM Fri Jun 06 2025 56F 47F / 46% W 14 G 24 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 04 PM Fri Jun 06 2025 57F 47F / 44% W 15 G 25 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 05 PM Fri Jun 06 2025 56F 47F / 42% W 15 G 24 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 06 PM Fri Jun 06 2025 54F 47F / 42% W 15 G 22 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 07 PM Fri Jun 06 2025 51F 46F / 33% W 14 G 21 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 08 PM Fri Jun 06 2025 48F 46F / 37% W 16 G 24 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 09 PM Fri Jun 06 2025 44F 43F / 40% W 16 G 25 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 10 PM Fri Jun 06 2025 42F 42F / 38% W 18 G 27 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 11 PM Fri Jun 06 2025 41F 41F / 40% W 18 G 27 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 12 AM Sat Jun 07 2025 41F 41F / 35% WNW 18 G 27 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"