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 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 06 PM Wed Jun 04 2025 48F 41F / 55% W 11 G 18 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Wed Jun 04 2025 45F 39F / 62% W 12 G 18 MPH 10100 FT 6:1 / 17% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Wed Jun 04 2025 41F 37F / 56% WSW 14 G 21 MPH 9600 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Wed Jun 04 2025 39F 36F / 45% WSW 17 G 25 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Wed Jun 04 2025 38F 36F / 33% WSW 18 G 26 MPH 8900 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Wed Jun 04 2025 38F 36F / 34% W 18 G 24 MPH 8900 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Thu Jun 05 2025 37F 35F / 32% W 17 G 23 MPH 9100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Thu Jun 05 2025 37F 35F / 28% W 17 G 23 MPH 9000 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Thu Jun 05 2025 37F 35F / 30% W 16 G 23 MPH 9100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Thu Jun 05 2025 37F 35F / 29% W 16 G 23 MPH 9100 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Thu Jun 05 2025 37F 34F / 30% W 13 G 20 MPH 9500 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Thu Jun 05 2025 37F 35F / 33% WSW 14 G 20 MPH 9600 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Thu Jun 05 2025 37F 35F / 31% WSW 14 G 21 MPH 9400 FT 12:1 / 8% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Thu Jun 05 2025 37F 34F / 40% SW 16 G 23 MPH 9200 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Thu Jun 05 2025 38F 35F / 46% SW 16 G 24 MPH 9400 FT 11:1 / 9% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Thu Jun 05 2025 40F 35F / 52% SW 16 G 25 MPH 9400 FT 10:1 / 10% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Thu Jun 05 2025 42F 36F / 75% SSW 13 G 25 MPH 10600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Thu Jun 05 2025 43F 37F / 84% SSW 15 G 27 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Thu Jun 05 2025 48F 39F / 85% SW 13 G 26 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Thu Jun 05 2025 49F 40F / 76% SSW 13 G 28 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Thu Jun 05 2025 51F 41F / 71% SW 16 G 31 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Thu Jun 05 2025 47F 39F / 72% WSW 12 G 23 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Thu Jun 05 2025 46F 38F / 75% W 14 G 23 MPH 11300 FT 0:1 / -% 0.03" / 0.0" 0.03" / 0.0" 23 05 PM Thu Jun 05 2025 51F 41F / 78% WNW 13 G 22 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 24 06 PM Thu Jun 05 2025 48F 42F / 59% W 13 G 21 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 25 07 PM Thu Jun 05 2025 46F 40F / 57% W 14 G 21 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 26 08 PM Thu Jun 05 2025 43F 38F / 53% W 17 G 24 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 27 09 PM Thu Jun 05 2025 40F 38F / 48% WSW 18 G 25 MPH 10400 FT 3:1 / 33% 0.00" / 0.0" 0.03" / 0.0" 28 10 PM Thu Jun 05 2025 40F 38F / 38% WSW 17 G 24 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 29 11 PM Thu Jun 05 2025 40F 38F / 35% WSW 15 G 21 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 30 12 AM Fri Jun 06 2025 39F 37F / 31% WSW 15 G 19 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 31 01 AM Fri Jun 06 2025 38F 37F / 40% WSW 15 G 22 MPH 10500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 32 02 AM Fri Jun 06 2025 38F 36F / 65% WSW 14 G 20 MPH 10200 FT 4:1 / 25% 0.00" / 0.0" 0.03" / 0.0" 33 03 AM Fri Jun 06 2025 38F 35F / 63% WSW 16 G 21 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.03" / 0.0" 34 04 AM Fri Jun 06 2025 37F 35F / 68% WSW 14 G 20 MPH 10300 FT 4:1 / 25% 0.00" / 0.0" 0.03" / 0.0" 35 05 AM Fri Jun 06 2025 37F 35F / 72% WSW 16 G 25 MPH 10300 FT 3:1 / 33% 0.00" / 0.0" 0.03" / 0.0" 36 06 AM Fri Jun 06 2025 37F 35F / 75% WSW 16 G 24 MPH 10400 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 37 07 AM Fri Jun 06 2025 38F 37F / 68% WSW 17 G 24 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 38 08 AM Fri Jun 06 2025 40F 39F / 60% WSW 17 G 23 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 39 09 AM Fri Jun 06 2025 42F 39F / 66% WSW 15 G 23 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 40 10 AM Fri Jun 06 2025 44F 39F / 78% WSW 12 G 20 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 41 11 AM Fri Jun 06 2025 47F 41F / 76% WSW 11 G 18 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 42 12 PM Fri Jun 06 2025 50F 43F / 74% WSW 10 G 18 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 43 01 PM Fri Jun 06 2025 52F 45F / 53% WSW 11 G 21 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 44 02 PM Fri Jun 06 2025 51F 44F / 63% W 12 G 21 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 45 03 PM Fri Jun 06 2025 52F 45F / 58% W 14 G 23 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 46 04 PM Fri Jun 06 2025 51F 44F / 67% W 15 G 25 MPH 11200 FT 0:1 / -% 0.01" / 0.0" 0.04" / 0.0" 47 05 PM Fri Jun 06 2025 55F 46F / 51% W 14 G 20 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0" 48 06 PM Fri Jun 06 2025 52F 46F / 48% W 14 G 21 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.04" / 0.0"