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 28-May-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 Tue May 27 2025 53F 48F / 31% WNW 15 G 23 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 1 07 PM Tue May 27 2025 50F 46F / 44% W 12 G 17 MPH 11300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 2 08 PM Tue May 27 2025 46F 43F / 41% WNW 15 G 22 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 3 09 PM Tue May 27 2025 45F 43F / 34% WNW 13 G 19 MPH 11100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 4 10 PM Tue May 27 2025 44F 42F / 27% W 14 G 19 MPH 10900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 5 11 PM Tue May 27 2025 44F 42F / 23% WNW 14 G 20 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 6 12 AM Wed May 28 2025 43F 42F / 17% WNW 16 G 22 MPH 10800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 7 01 AM Wed May 28 2025 43F 42F / 19% WNW 14 G 19 MPH 11000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 8 02 AM Wed May 28 2025 42F 41F / 26% WNW 13 G 18 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 9 03 AM Wed May 28 2025 42F 41F / 33% W 15 G 19 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 10 04 AM Wed May 28 2025 42F 41F / 31% WNW 16 G 22 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 11 05 AM Wed May 28 2025 42F 41F / 37% WNW 16 G 22 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 12 06 AM Wed May 28 2025 42F 41F / 31% WNW 17 G 22 MPH 11500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 13 07 AM Wed May 28 2025 42F 41F / 34% WNW 17 G 21 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 14 08 AM Wed May 28 2025 43F 41F / 32% WNW 16 G 20 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 15 09 AM Wed May 28 2025 45F 42F / 41% W 15 G 19 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 16 10 AM Wed May 28 2025 47F 42F / 43% WNW 11 G 17 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 17 11 AM Wed May 28 2025 51F 44F / 38% W 11 G 17 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 18 12 PM Wed May 28 2025 54F 45F / 39% WNW 11 G 16 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 19 01 PM Wed May 28 2025 56F 47F / 32% WNW 10 G 18 MPH 11700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 20 02 PM Wed May 28 2025 59F 49F / 25% WNW 13 G 21 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 21 03 PM Wed May 28 2025 59F 49F / 22% WNW 13 G 22 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 22 04 PM Wed May 28 2025 59F 49F / 25% WNW 13 G 21 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 23 05 PM Wed May 28 2025 59F 49F / 24% W 14 G 22 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 24 06 PM Wed May 28 2025 55F 48F / 28% WNW 14 G 24 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 25 07 PM Wed May 28 2025 52F 47F / 27% WNW 15 G 22 MPH 12300 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 26 08 PM Wed May 28 2025 48F 44F / 30% WNW 17 G 23 MPH 11200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 27 09 PM Wed May 28 2025 46F 44F / 26% WNW 17 G 24 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 28 10 PM Wed May 28 2025 45F 43F / 26% WNW 16 G 23 MPH 11600 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 29 11 PM Wed May 28 2025 44F 43F / 44% NNW 14 G 20 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 30 12 AM Thu May 29 2025 44F 42F / 39% W 16 G 19 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 31 01 AM Thu May 29 2025 44F 43F / 38% WNW 17 G 25 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 32 02 AM Thu May 29 2025 44F 42F / 42% NW 18 G 23 MPH 11800 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 33 03 AM Thu May 29 2025 42F 41F / 45% SW 15 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 34 04 AM Thu May 29 2025 42F 41F / 44% W 15 G 22 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 35 05 AM Thu May 29 2025 42F 41F / 40% W 17 G 25 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 36 06 AM Thu May 29 2025 43F 41F / 37% W 17 G 25 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 37 07 AM Thu May 29 2025 43F 43F / 36% W 17 G 21 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 38 08 AM Thu May 29 2025 44F 44F / 35% W 14 G 18 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 39 09 AM Thu May 29 2025 46F 45F / 38% WNW 15 G 20 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 40 10 AM Thu May 29 2025 49F 44F / 51% WNW 12 G 18 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 41 11 AM Thu May 29 2025 53F 45F / 43% WNW 10 G 16 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 42 12 PM Thu May 29 2025 56F 48F / 39% WNW 9 G 16 MPH 12100 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 43 01 PM Thu May 29 2025 58F 50F / 25% W 10 G 18 MPH 12200 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 44 02 PM Thu May 29 2025 60F 51F / 28% WNW 10 G 18 MPH 12500 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 45 03 PM Thu May 29 2025 60F 52F / 31% WNW 11 G 19 MPH 12700 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 46 04 PM Thu May 29 2025 57F 49F / 31% W 12 G 21 MPH 12400 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 47 05 PM Thu May 29 2025 53F 47F / 47% W 11 G 18 MPH 12000 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0" 48 06 PM Thu May 29 2025 55F 48F / 45% W 13 G 20 MPH 11900 FT 0:1 / -% 0.00" / 0.0" 0.00" / 0.0"