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 01-Jul-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 Tue Jul 01 2025 53F 52F / 33% SE 13 G 19 MPH 13500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 01 AM Tue Jul 01 2025 53F 52F / 22% SSE 13 G 21 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 02 AM Tue Jul 01 2025 53F 52F / 25% SSE 14 G 22 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 03 AM Tue Jul 01 2025 52F 52F / 27% SSE 13 G 24 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 04 AM Tue Jul 01 2025 52F 52F / 24% SSE 14 G 23 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 05 AM Tue Jul 01 2025 54F 52F / 24% S 13 G 24 MPH 13600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 06 AM Tue Jul 01 2025 52F 50F / 33% SSE 17 G 28 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 07 AM Tue Jul 01 2025 51F 51F / 34% S 12 G 21 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 08 AM Tue Jul 01 2025 53F 52F / 29% SSW 14 G 23 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 09 AM Tue Jul 01 2025 53F 52F / 39% S 16 G 26 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 10 AM Tue Jul 01 2025 57F 52F / 32% S 14 G 27 MPH 13700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 11 AM Tue Jul 01 2025 63F 54F / 33% S 13 G 25 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 12 PM Tue Jul 01 2025 66F 57F / 24% S 10 G 19 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 01 PM Tue Jul 01 2025 68F 58F / 21% SSW 9 G 18 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 02 PM Tue Jul 01 2025 70F 59F / 16% SW 8 G 16 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 03 PM Tue Jul 01 2025 70F 60F / 7% SW 7 G 16 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 04 PM Tue Jul 01 2025 66F 57F / 22% W 13 G 22 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 05 PM Tue Jul 01 2025 58F 52F / 41% SSE 7 G 16 MPH 13800 FT 0:1 / -% 0.02" / 0.0" 0.02" / 0.0" 18 06 PM Tue Jul 01 2025 59F 53F / 38% SW 10 G 16 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 19 07 PM Tue Jul 01 2025 58F 53F / 41% SW 10 G 14 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 20 08 PM Tue Jul 01 2025 55F 52F / 46% SW 9 G 15 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 21 09 PM Tue Jul 01 2025 53F 52F / 42% SW 10 G 14 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 22 10 PM Tue Jul 01 2025 53F 52F / 36% S 10 G 14 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 23 11 PM Tue Jul 01 2025 53F 52F / 36% SSW 11 G 17 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 24 12 AM Wed Jul 02 2025 52F 51F / 32% SW 12 G 19 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 25 01 AM Wed Jul 02 2025 51F 50F / 29% SW 14 G 24 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 26 02 AM Wed Jul 02 2025 51F 49F / 32% S 15 G 26 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 27 03 AM Wed Jul 02 2025 52F 50F / 26% WSW 10 G 16 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 28 04 AM Wed Jul 02 2025 50F 48F / 43% SW 13 G 23 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 29 05 AM Wed Jul 02 2025 50F 48F / 49% SW 15 G 24 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 30 06 AM Wed Jul 02 2025 49F 47F / 53% W 14 G 23 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 31 07 AM Wed Jul 02 2025 49F 47F / 49% W 11 G 20 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 32 08 AM Wed Jul 02 2025 52F 49F / 49% WSW 11 G 15 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 33 09 AM Wed Jul 02 2025 52F 48F / 53% SSW 11 G 19 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 34 10 AM Wed Jul 02 2025 54F 49F / 57% SSW 8 G 16 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 35 11 AM Wed Jul 02 2025 57F 50F / 42% SSE 8 G 21 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 36 12 PM Wed Jul 02 2025 60F 52F / 42% SSE 9 G 20 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 37 01 PM Wed Jul 02 2025 63F 56F / 28% SSE 9 G 19 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 38 02 PM Wed Jul 02 2025 63F 56F / 35% SSW 9 G 20 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 39 03 PM Wed Jul 02 2025 64F 57F / 39% SSW 10 G 21 MPH 14300 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 40 04 PM Wed Jul 02 2025 62F 55F / 47% WSW 14 G 25 MPH 14200 FT 0:1 / -% 0.00" / 0.0" 0.02" / 0.0" 41 05 PM Wed Jul 02 2025 57F 51F / 68% SSW 10 G 22 MPH 13900 FT 0:1 / -% 0.01" / 0.0" 0.03" / 0.0" 42 06 PM Wed Jul 02 2025 57F 53F / 49% SSE 8 G 19 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 43 07 PM Wed Jul 02 2025 56F 52F / 64% SSE 9 G 18 MPH 13800 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 44 08 PM Wed Jul 02 2025 53F 50F / 65% W 10 G 18 MPH 13900 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 45 09 PM Wed Jul 02 2025 47F 46F / 98% WNW 14 G 28 MPH 14100 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 46 10 PM Wed Jul 02 2025 48F 46F / 86% WNW 13 G 25 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 47 11 PM Wed Jul 02 2025 47F 46F / 77% WNW 13 G 24 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0" 48 12 AM Thu Jul 03 2025 48F 46F / 64% WNW 11 G 22 MPH 14000 FT 0:1 / -% 0.00" / 0.0" 0.03" / 0.0"